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Mesh cable tray - Laying cables and lines made easy. With high-quality mesh cable trays at top prices. Find out everything you need to know about purchasing and installing mesh cable trays here. If you live in an apartment building, trellis run safely through your basement. You will also find installations of this type in industrial companies, assembly halls and workshops. Mesh trays are components of cable support systems, but differ from cable trays and cable ladders.What are mesh trays?Mesh trays are strong wire meshes based on welded, formed and galvanized metal rods. The result is a grid tray that houses power and signal cables. Mesh cable trays are mainly designed for indoor use. The cables and lines are fastened with clamps or cable ties directly to the metal rods of the channel. The channels themselves usually have a U-shape in cross-section, i.e. a bottom and two sides. For stability, some manufacturers offer extended C-shape and G-shape cross-sections. The G-shape mesh cable trays fulfill the function of open cable ducts. TIP:The matching wall brackets and deck supports for attachment to the building are also available here in the shop. These channels accommodate, guide and support cables and lines. Wire mesh trays can be cut or bent into configurations such as curves, slopes and tees to accommodate complex cable runs. Mounting is typically on walls, overhead, or under floors for whole-building installations. Mesh cable trays are installed as systems. In order to create the required installation route, straight sections are connected to each other using the fittings (bends, angles, reducers, branches) that are also available, as well as accessories.What advantages do mesh cable trays offer?Mesh trays are one of the preferred cable mounting systems for installers. This is due to a number of advantages that mesh trays have over closed cable trays or cable ladders. These include:Material and cost savingsThe metal grid is open on all sides and very little metal is needed for it. This saves weight, material and reduces manufacturing costs. Compared to strong wide-span cable trays or cable ladders, resources are saved and the burden on the environment is reduced. As a customer, you will feel this advantage in the price. Mesh cable trays are cheaper than the other systems mentioned.Solution for all industriesCable trays are used in a wide range of companies, as well as municipal, industrial and private buildings. The places of use extend to basement rooms, workshops, server rooms, office workplaces and areas with extreme conditions. This can be strong temperature fluctuations, toxic atmospheres or zones with increased pollution.Customizable on siteEach installation is unique and often requires different twists, bends and pitches to properly route the cable. Mesh cable trays are flexible and can be adapted to the respective situation by hand in just a few simple steps. With simple equipment such as metal cutters, fasteners and a wrench, individual configurations of the cable route are carried out on site without loss of stability. For systems with wide-span cable trays and ladder trays, you must plan and purchase bends, T-pieces and corner pieces beforehand. If your needs change during installation, the parts you purchased may be useless and you will need to order different parts.Minor disturbancesDue to the low metal content, mesh cable trays significantly reduce the so-called interference in data cables. This is the optimal choice for use in the SCS area.definitionSCS ? Structured Cabling Networks is a user-independent, future-oriented network infrastructure built under economic parameters.Quick and easy to installThe assembly is self-explanatory. A wide range of brackets, connections and fixings allows installation to be carried out by people with different levels of expertise.Customizable cable managementMesh cable trays offer many alternatives for cable routing. The possibility of branching off individual cables and lines anywhere from the cable bundle is particularly practical. With closed support systems, it is not so easy to leave the canal.Optimum heat dissipationNo heat accumulates in the completely open mesh cable tray. Any heat generated is immediately released to the environment. This provides more security, especially when a large number of cables are bundled.Safe against pestsAnimals can damage cable systems. For example, mesh trays are more difficult for rodents to overcome than closed cable trays. The animals are more likely to fall through the openings and it is more difficult to build nests on the gratings.Easy control and repairMesh cable trays have an open floor plan. It is not difficult to identify problems with lines and cables, as well as to change or uninstall individual lines.Reduced weight without sacrificing stabilityMesh trays are lighter than other cable support systems, but have the same strength. This makes it easy to ship, store, transport to site, hang and adjust. In addition, there are no sharp edges that can damage the cables and lines.Image: OBO Bettermann G-GRM 50 50 G mesh cable trayHow are mesh cable trays connected?Straight connectors or clamp connectors are offered for connecting mesh cable trays. Straight connectors connect mesh cable trays in straight lines and ensure easy cable routing. These are simply pushed onto the ends of the wire mesh trays with a straight cross-section. This creates a secure connection without the need for nuts and bolts. Clamp connectors connect curved or straight mesh cable trays. These are ideal for both simple and complex routes. These connectors require nut and bolt attachment.What are the dimensions of the trellis?The classic length of a mesh cable tray is 3,000 millimeters. In individual cases, shorter channels are also available. The height of the sides starts at around 30 millimeters and goes up to a height of around 150 millimeters. You can also choose the width very flexibly. Mesh cable trays are available in widths between 30 millimeters and 900 millimeters. The most commonly used standard sizes of wire mesh cable trays are:Width: 50, 100, 150, 200, 300, 400, 500, 600mmHeight: 35, 50, 60, 80, 100, 105mm How resilient are mesh cable trays?When choosing a product, it is worth paying attention to the height of the side, the width of the base and the thickness of the wire. These parameters influence the subsequent load capacity of the mesh cable tray. The number and positioning of the connectors and fastening elements are also decisive for a stable construction. The resilience can therefore not be specified in general terms. The greater the distance between the breakpoints, the less resilient the system is. TIP:For the highest possible load capacity, mesh cable trays should always be connected to one another between the spans of the support points and attachment points. The positioning of the butt joint between two mesh cable trays affects the load-bearing capacity of the system. This should not be done directly where the structure is attached to the building. You will achieve the greatest stability of the cable route when the butt joint is at a ratio of approximately 1/4 to 3/4 to the breakpoints.Are mesh cable trays high-maintenance?Electrical installations are typically located outside the normal range of human influence. You often need ladders or scaffolding for checks, repairs or changes. It is therefore important that maintenance work is required as little as possible. Mesh cable trays are very easy to maintain. The metal is protected against corrosion and dirt cannot accumulate due to the construction, which is open at the bottom. The visual inspection of the system can therefore also be carried out from below the mesh cable trays. This saves money, time and cleaning work.Why should I buy mesh cable trays from eibabo®?The eibabo® technology store is one of the leading specialist centers for electrical installations. As a customer of our shop you will receive:a large selection of wire mesh cable trays of all common sizesa simple and convenient ordering processmany secure payment methodsfast worldwide delivery with track and traceno minimum conditions for the delivery of products For the mesh cable trays, there are also connectors and brackets for wall mounting and ceiling mounting here in the online shop.  Catalogue content:In this eibabo® catalogue Cable carrying systems > Mesh cable tray you will find items from the following product groups:Item overview:Distribution interior fittingsGrid angleGrid trackHeavy-duty channelHeavy-duty mesh cable trayLuminaire support gridManifold constructionMesh cable trayStainless steel trellisSteel mesh cable trayWire mesh trayfrom the following manufacturers:Manufacturer overview catalogue Mesh cable tray:EricoLegrand CablofilNiedaxNiedergesäßOBOStriebel & John
Room temperature controller - When building a new house or renovating, you have numerous interesting options for organizing the control of the room temperature. We will tell you how you can use various bus systems such as KNX, radio or LCN in addition to the conventional temperature setting. Automation not only increases living comfort, but also contributes to the value of your building. This enables you to make necessary adjustments or changes even when you are not at home. This eibabo® catalog provides room temperature controllers for all common applications.What are KNX room temperature controllers?KNX room temperature controllers are part of a building's heating system. These are used for individual room temperature control of interior rooms and have various measuring ranges. The respective devices can differ significantly in terms of application and the functions provided for operation and comfort. For example, the differences are whether static heating surfaces or underfloor heating are to be controlled or whether air conditioning and ventilation functions are to be provided.Do not confuseThermostats are also known as room temperature controllers. Installed on radiators, however, they measure the temperature at the heating and usually only differentiate between on and off.KNX room temperature controllers, on the other hand, continuously control between 0 and 100 percent and use a heating actuator to communicate with the heating actuators.How is the room temperature controlled using KNX?A KNX room temperature controller determines the control difference between the target temperature and the actual temperature. The calculated control difference is sent as a 1-byte command value telegram (a value between 0 and 100 percent) via the KNX bus to the corresponding channel of a heating actuator. This processes the signal and then controls the actuator.The following small example illustrates the rough functionality. The actual manufacturer specific control algorithm may be different:The room temperature controller determines a current temperature of 18 degrees Celsius (controlled variable). However, the desired room temperature should be 22 degrees Celsius. The 22 degrees Celsius then represents the setpoint for the controlled variable. The resulting difference between the actual value and the setpoint is the control deviation. The control difference is 4 degrees Celsius and is used to determine the control variable that is to be used to influence the room temperature. Assuming the manipulated variable is 25%. This value is transmitted as a 1-byte telegram (0-255 = 0-100%) from the room temperature controller to the heating actuator. In this case 63.75. For example, the actuator takes 2 minutes to fully open. The time required for the respective actuator to open or close can be found in the data sheet for the thermoelectric actuator. This information must have been previously stored in the parameters of the actuator using Engineering Tool Software (ETS). With a command value specification of 25%, the actuator would switch on the actuator for 30 seconds (this corresponds to 25% of 2 minutes) and switch it off for 90 seconds. The actuator then switches on again for 30 seconds and so on. If the room temperature controller calculates and transmits a different command value specification, the switching cycle for the actuator also changes.Image: Gira 210003 KNX continuous controllerWhat is the difference between KNX continuous controllers, KNX object controllers and KNX room temperature controllers?The selection of KNX temperature controllers is very large. eibabo® offers products from all leading manufacturers of control technology for HVAC (heating, air conditioning, ventilation) in smart home automation. These include ABB, Berker, Busch-Jaeger, Eaton, Elsner Elektronik, Eltako, EIBMARKT, Gira, Hager, Issendorf, Jung, Lingg & Janke, MDT, Merten, Siemens, Theben and Thermokon. Many of these manufacturers use different designations, such as KNX continuous controller, KNX object controller or KNX room temperature controller.KNX room temperature controllers continuously record temperature values and forward them to other system components as KNX signals that can be evaluated. This process takes place continuously. A KNX continuous controller is therefore the same as a KNX room temperature controller. The situation is different with a KNX object controller. Object controllers are room temperature controllers without direct adjustment options on the device for the setpoint temperature. Object controllers were developed for object use. In public objects, as a rule, direct adjustment by strangers should be prevented. The values are parameterised directly via the ETS (software). You can change these directly via KNX (KNX buttons, KNX operating panels, KNX visualisations) in the setpoints. KNX object controllers are often cheaper and suitable in private areas for corridors, basements or storage rooms.What do you have to consider when positioning a KNX room temperature controller?As a rule, the installation is carried out using a branch switch box with 4 screw bosses, one switch box deep. Alternatively, use an electronics box if a separate bus coupler is required. With our convenient search function, you can quickly find the right items here in the eibabo® technology store. TIP:There are multi-channel KNX room temperature controllers for installation in your electrical distribution. Here, the temperature is measured via separate KNX sensors, for example from KNX buttons or KNX motion detectors with an integrated temperature sensor. For optimal use of all functions and the best possible recording of the measurement data, please ensure that the installation height is 1.60 m from the top edge of the finished floor. In this way you ensure optimal control and user-friendly handling.How is a room temperature controller connected to the KNX bus?KNX room temperature controllers are equipped differently by the manufacturers. You can either buy the KNX room temperature controller including a bus coupler or you have to order the bus coupler separately. The required interface between the KNX bus and the KNX room temperature controller is called the bus coupler. You can tell whether your controller has a bus connection by the red and black bus terminal. The KNX controllers often offer included KNX binary inputs. These are used, for example, to integrate conventional buttons in the room to switch lights via KNX. These binary inputs usually correspond to the technical data of KNX push button interfaces and can therefore only be extended up to a maximum of 50cm.How important is the appearance of a KNX room temperature controller?There are controllers with or without a dial to adjust the temperature. Other models are operated via the display and menu controls. Everything is possible here. The controls should match your other switch range and reflect your modern, classic, simple or extravagant style of living. TIP:Don't just look at the exterior of a KNX room temperature controller, but also at its inner values. There are often considerable differences in the application developments (software) of the manufacturers. The possibilities that the respective software can offer you may be relevant to your project requirements. Think of:control behaviorInfluencing control processesOperating modes and external switching options or setpoint adjustment optionsstatus feedbacknumber of group addressesBehavior in the event of a bus voltage failureand much more What other properties should I consider before buying a KNX room temperature controller?In addition to the technical, optical and software properties mentioned, other factors can speak for or against a specific model.Do I need anti-theft or dismantling protection?What color or what material do I want for the control panel?Do the local conditions require wireless data transmission?Should it be regulated via a room controller?and some more What are room controllers with integrated KNX room temperature controller?An alternative to the KNX room temperature controllers presented here are the KNX room controllers, provided they have an integrated temperature controller. These are devices that you can use to centrally control lighting, temperature and blinds, for example. Such controllers can be used via individually assignable control panels for switching, dimming, regulating or controlling all required actuators and sensors. You can also get numerous high-quality KNX room controllers here in the shop at top conditions. Use our intelligent search for your research.  Catalogue content:In this eibabo® catalogue Installation bus systems > Room temperature controller for bus system you will find items from the following product groups:Item overview:Building system technologyBus technologyButton interfaceClock thermostatContinuous controllerControllersEnd stripsEnergy efficientHeating controlHeating technologyHome controlHumidityMoellerfunkMoisture meterMultifunction displayNetworkingObject controllerRadio systemRadio transmitterRemote room sensorRoom controllerRoom sensorRoom temperature controllerRoom thermostatTemperatureTemperature controllerThermostatWireless temperature sensorfrom the following manufacturers:Manufacturer overview catalogue Room temperature controller:ABBAlre-itBerkerBusch JaegerEatonEberleElsnerElsoEltakoGiraHagerJungMDTMertenSiemensTheben
Blind actuator - How can I automate my shutters and blinds? Can the time of day, the weather and the position of the sun be taken into account? We provide recommendations and information on the purchase of KNX blind actuators and show you what options the technology offers you in everyday life.If you want to build a new house or renovate an existing building, many questions arise. The technical equipment in particular must be well thought out, because a later change is then only possible with a lot of effort. If you already include the advantages of intelligent building automation in your planning, then the opening, closing and shading of the windows will also play an important role.Useful application examples for controlling blinds or roller shutters:the up and down of roller shutters and blinds according to time specificationsturning the slats of blinds based on the brightness in the roomthe automatic opening of roller shutters or blinds when windows are openedthe simultaneous operation of several shading systemsthe flexible control or regulation of the roller shutters when you are absent via a smartphone appthe automatic drive to the safety position in the event of a storm alarm and back after the all-clearthe blocking of operation for certain peopleautomatic shading according to geographic location and position of the sun (astro control) The use of modern KNX blind actuators supports you in realizing all these projects. They ensure more security, greater comfort and increase the value of your property.  What distinguishes a KNX blind actuator from a KNX switching actuator?All motorized equipment such as blinds or roller shutters can be automated using KNX blind actuators. Standard 230V blind actuators therefore have 2 channels per switching output. A channel to drive up and a channel to drive down. The channels are mutually locked to prevent damage to the drive. So only one phase can be switched through to the drive at a time, never both at the same time. TIP:Never use KNX switching actuators to control blinds and shutters without a downstream isolating relay. With classic KNX switching actuators, the channels are not mutually locked. It would therefore be possible to connect more than one phase to the drive. This can quickly lead to damage to the technology. There are models which, depending on the configuration, can be used both as a switching actuator and as a shutter actuator. Please read the specification of the respective actuator.What should be considered during installation?Motorized 3-point drives must not be connected in parallel. Group formations may only be carried out using isolating relays or group control devices if the manufacturer does not provide for any isolating function. For example, for 4 windows, each with a drive, you should use a KNX blind actuator with 4 channels. There is also the option of operating several drives via one channel using conventional isolating relays. The shutter actuator channel then controls the isolating relay and the drives are connected to the isolating relay. In the meantime, however, the prices for the KNX actuators have fallen massively, so that there is hardly any need to reduce costs by using isolating relays. TIP:When selecting your components, always prefer one blind actuator channel per blind motor. For example, if you would like to integrate 6, 8 or 12 blinds into your system, you will find the appropriate actuator here in the shop.Are blind actuators with 230V AC better than models with 24V DC?This question is not about better or worse. Rather, the type of voltage of the drives should always be considered. The drives of blinds or roller shutters are often designed as 230V AC (alternating voltage) or 24V DC (direct current). That's why you have to buy the matching blind actuator or roller shutter actuator. A 24V DC blind actuator or roller shutter actuator has a plus and a minus connection. A suitable KNX actuator generates the direction of travel (up/down) by changing the poles (pole reversal).Do shutter actuators require a separate power supply?The 24V DC mains supply is not provided by the actuator and must also be installed externally depending on the power requirement for simultaneity (central commands). In this case, very large power supply units can become necessary, which, in addition to high costs, also require a large amount of space. If you can, order 230V AC drives and matching 230V KNX blind actuators from the supplier. These also require their own power supply, but no additional power supply units.That is the reasonSo-called monostable relays are installed in the shutter actuators, which are open and not active when idle. However, the relays continuously require energy as long as they are closed (e.g. for the duration of a blind movement). The bus voltage alone cannot cover this requirement.In contrast, there are bistable relays in classic switching actuators. These only require some energy in the brief moment of switching from one position to another. This can be implemented via the bus and an additional power supply is usually not necessary.What do I need an SMI KNX blind actuator for?SMI stands for 'Standard Motor Interface' and is an intelligent, uniform and manufacturer-independent interface in building automation. This is used to connect various operating resources, such as window drives, roller shutter drives or blind drives to a higher-level building management system. There are SMI KNX blind actuators for drives with an SMI interface. These intelligent drives are therefore able to exchange data telegrams across manufacturers.Which actuators are recommended for controlling roller shutters and blinds?eibabo® carries KNX blind actuators, KNX roller shutter actuators and KNX SMI actuators from ABB, Berker, Busch-Jaeger, Gira, Hager, Issendorf, Jung, Lingg & Janke, MDT, Merten, Siemens, Somfy, Theben, Warema and many other manufacturers.Over 25 years of experienceAll actuators that you get here in the shop are of high quality and reliable. We regularly use these actuators in our projects all over the world.Benefit from our low prices and take advantage of safe, fast and worldwide shipping.1-byte communication object - what is that?In any case, make sure that your blind actuator or roller shutter actuator has a 1-byte communication object for the runtime and slat, in order to be able to enable automatic or targeted control if required.There are no slats in roller shutters, which is why roller shutter actuators do not have the slat communication object, only Up/Down/Stop. Roller shutter actuators often have a 1-bit object for a defined positioning movement that can be set via the ETS software.1 byte means that values between 0-255 can be approached, which correspond to 0-100% related to the travel time. The parameters often allow the running time to be set according to the driving time. The travel time of the blind or roller shutter is entered once in the actuator using the ETS software, namely for a complete opening or closing for each channel of the actuator. There are also actuators for evaluating limit switches, which the motorized drive provides.Image: KNX blind actuator ? Eibmarkt JA.6.230The extensive application of the KNX blind actuator / roller shutter actuator JA.6.230 from Eibmarkt® shown here enables a wide range of parameterization via the communication object, including scenes for runtime and slats, blocking functions, automatic functions, security functions and alarm functions, movement limitations, position feedback and much more.Can a layperson use the ETS software to program the KNX devices?Don't be put off by the term 'programming'. The ETS software is only used to assign and parameterize certain actions. Programming skills or learning a programming language are not required. If you have some imagination to understand logical connections, then you are quite capable of creating a project.our recommendationFor more complex projects, a certain amount of experience is of course helpful. Have the basic project created by a qualified system integrator. In this way, you will later be able to easily change important parameters yourself if circumstances require it.Roughly explained: Imagine the folder system on your Windows PC or iOS computer. Here you create your own structure, save files in it and create links to other folders. This is similar with the ETS software. The 'folders' can be floors or rooms and the 'files' in them are the sensors or actuators of the respective room or electrical distribution cabinet, which you then link to one another.What types of installation are there for KNX blind actuators?KNX blind actuators are available for every type of installation at eibabo®. For example, for installation in the electrical distribution, then these carry the suffix 'REG' for series installation devices or as a flush-mounted version 'UP' for installation in a mounting box or junction box or as a built-in version 'EB' for integration in ducts or similar. However, additional protection must also be taken into account for built-in versions depending on the installation.  Catalogue content:In this eibabo® catalogue Installation bus systems > Shutting actuator for bus system you will find items from the following product groups:Item overview:Azimuth controlBinary inputBlind functionBuilding controlBuilding system technologyCable entryCombination actuatorControl moduleControl unitsDIN railDIN railsDrive controlEngine control unitEngine controllerHome controlInput moduleLight domeNormally open outputOutdoor areaOutput moduleRadio receiverSeries installationShutter controlShutter outputShutter switchSplash proofSun protectionVentilation flapfrom the following manufacturers:Manufacturer overview catalogue Blind actuator:ABBBerkerBusch JaegerEatonEIBMARKTElsoEltakoESYLUXFinderGiraHagerJungLingg & JankeMDTMertenPehaSchneider ElectricSiemensSomfyThebenWaremaWieland
Binary input - What interesting possibilities does the use of binary inputs in building automation offer you? Learn more about differences, use cases, and things to watch out for on this page.What do you need a KNX binary input for?KNX binary inputs are used to convert conventional alarm messages, fault messages, operating messages or status messages (generally analog signals) into digital signals and connect them to the KNX bus.Image: KNX binary input universal - Hager TXA306 for KNX building automationWhat should you know before buying a KNX binary input?Take a look at your project and ask yourself the following questions:Is it a new installation or do I have to consider the properties of existing devices (e.g. switches)?Which signals or voltages should be recorded?What is the distance between the signal transmitter and the receiver?Do I need additional cables and lines?Should the control only be wired or also possible via radio?Which logic functions do I want to implement?and much more The answers will help you to make the right choice for a suitable binary input. Among other things, this results in the number of channels that your new binary input should have, which manufacturer supplies an application (software) suitable for the project and whether the binary input must be suitable for potential-free devices or not.What is the difference between the individual binary inputs?The binary inputs are often provided in the variants 20V, 24V, 230V and potential-free. Which one you need in each individual case depends on which signals you want to activate. Notice:The addition potential-free, 20V, 24V or 230V does not refer to the binary input, but to the signal to be recorded. potential-free binary inputsPotential-free means that no external voltages (potentials) may be connected to the inputs at these binary inputs, since the contact voltage (usually 10-20V) is already provided by the binary input itself. The potential-free variant is typically used for buttons, switches, door contacts (magnetic or reed contacts), window contacts (magnetic contacts) or auxiliary contacts. Magnetic contacts may often only be assigned a maximum of 20V DC. However, the maximum cable length that can be connected is often limited to between 50-100m, see the description of the respective potential-free binary input and can also be negatively influenced by inductive or capacitive loads in the area around the routed cable. Devices with wires that have already been brought out should generally not be extended at all, eg button interfaces (a button interface is also a binary input). 20V and 24V binary inputsModels with 20V or 24V are used when devices cannot switch potential-free. These are, for example, presence detectors or differential pressure monitors for stoves that work with 24V technology. 230V binary inputsThe 230 V version is often used to connect existing 230 V AC signals to the bus in order to evaluate them. For example for conventional 230V outdoor motion detectors, buttons, switches or other messages from other systems. Fuses can also be monitored in order to immediately notice critical changes in large building complexes, for example. What specific applications can be implemented with KNX binary inputs?The possibilities are diverse and depend entirely on your project. A KNX binary input detects a status change at its input. Depending on the parameterization that you carry out using the software (ETS), a telegram is then sent to the KNX bus. This information can then be integrated into other desired functional logic, for example:Open windows = set heating to standby/frost protectionLevel reached = open valveTo evaluate a conventional 230V motion detectionFor activation of conventional buttonsTo capture status or operational messagesEvaluate error messages from connected devicesand much more Or you use the information for displays on displays, for touch functions or for visualizations for evaluation purposes.What is ETS?ETS is the abbreviation for Engineering Tool Software. This is used to assign and parameterize certain actions, relationships or functions within the building automation. So you determine what a binary input should do with an incoming signal. Programming skills or learning a programming language are not required. If you are interested in logical connections and can imagine the later function in the building based on an abstract scheme, the creation of a project should be a solvable task for you.We recommendIn the case of particularly complex projects, it can be advantageous to hire an experienced system integrator to create the basic project. This is typically much faster than doing it yourself and you will receive a tested, error-free basic version of your system. Later you can easily change, add or remove individual parameters yourself.You can think of the configuration as similar to the folder system on your Windows PC or iOS computer. You create your own structure and save files in it. In addition, you create shortcuts to other files and folders based on certain conditions. In the ETS, the 'folders' are floors or rooms, for example, and the 'files' in them correspond to sensors and actuators that you can relate to one another.Can consumption also be recorded and evaluated with KNX binary inputs?At eibabo® you will also find KNX binary inputs to record counter values. You can order almost all conventional water meters, electricity meters, gas meters, heat meters and many more including an S0 interface (pronounced: S-zero interface). This is used to transmit measured consumption values for further processing in the building automation. The interface sends an impulse via a contact, which corresponds to a certain value of the measured medium. The pulse value is always the responsibility of the meter manufacturer.An example: If you buy a water meter with an S0 interface, the pulse value is on the meter or in the product description, for example 10 liters = 1 pulse. That means the contact closes and opens again (rising/falling edge, 30 ms = t_ON = 120 ms 30 ms = t_OFF) as soon as 10 liters of water have been consumed. Simply put, the signal is similar to when you press a button. You can evaluate these contacts using a KNX binary input with the application provided by the manufacturer for counting value acquisition.As a rule, potential-free 20V or 24V binary inputs are used for this, as the contact voltage may be a maximum of 15V (S0 interface class B, short transmission paths) or a maximum of 27V (S0 interface class A, long transmission paths).Are long distances critical for signal transmission?Pay attention to the technically required maximum cable lengths between signal detection and binary input contact, especially with 20V, 24V and potential-free. These are often a maximum of 100 meters and should be routed in a protected manner without inductive or capacitive cross-influences. TIP:Please refer to the manufacturer information for this. The individual brands and the different variants have individual limit values. This applies in particular when critical states are to be monitored, such as counting for billing purposes (LIYCY lines, cables).How are KNX binary inputs mounted?KNX binary inputs are available with eibabo® for different types of installation, for example for installation in an electrical distribution board. These devices are referred to as modular installation devices (REG). There are also binary inputs for flush-mounting (UP) or surface-mounting (AP) and for integration in ducts or similar (EB).Which manufacturers of KNX binary inputs are recommended?In this eibabo® catalog you will find everything on the subject of KNX binary input, binary input device, binary input module, button interface, universal interface, input module, button coupler and evaluation unit. Well-known manufacturers are ABB, Berker, Busch-Jaeger, Doepke, Eaton, Elsner, Elso, Eltako, Gira, Hager, Issendorf, Jumo, Jung, Lingg & Janke, MDT, Merten, Peha, Siemens, Theben and Warema.Trust our experienceWe have been working with the products from these manufacturers for over 25 years and have been able to use them in hundreds of projects around the world.We have always paid attention to quality and reliability when realizing our projects. Because permanently error-free functionality is crucial, especially in complex building automation installations.  Catalogue content:In this eibabo® catalogue Installation bus systems > Binary input for bus system you will find items from the following product groups:Item overview:Basic moduleBattery poweredBinary inputBinary inputsBus technologyButton inputCombination actuatorControl unitDIN railEngine control unitExpansion moduleFlush-mounted boxInput couplingInput moduleInterfaceLighting controlNormally open outputPanel adapterRadio systemShading controlShutter controlSocket coverStatus indicatorSwitching outputTactile sensorUniversal interfacesWireless reed contactWireless solutionfrom the following manufacturers:Manufacturer overview catalogue Binary input:ABBBerkerBusch JaegerEatonElsnerElsoESYLUXfrogblue AGGiraHagerIssendorffJungLingg & JankeMDTMertenPehaSchneider ElectricSiemensThebenZumtobel
Install. box - device install. duct - Device installation trunking is very often used where a lot of communication technology is required in a small space. The ducts themselves are wall mounted by default and include plenty of power and data cables. You can discover such installations in authorities as well as in car dealerships or supermarkets. However, the ducts are not only used to hide the cables, they are also potential connection points for power supply or network connections. The sockets, telephone and network connections required for this are installed and fastened in the ducts using the duct installation sockets. Depending on the requirements, the channels of the different manufacturers are dimensioned differently. eibabo has a range of high-quality, low-priced installation sockets for all trunking dimensions from the most common suppliers and will deliver them to your construction site quickly and safely.Catalogue content:In this eibabo® catalogue Installation ducts for wall and ceiling > Junction box for wall duct you will find items from the following product groups:Item overview:1-fold can2-fold can3-fold canAccessory mounting boxBuilt-in boxBuilt-in installation boxCEE built-in boxCEE built-in installation boxCEE installation duct boxConnector socketData socketDevice installation systemDevice socketDouble canDouble socketDuct boxDuct installationEnergy canInstallation box for device installation trunkingInstallation channelInstallation duct boxJunction boxJunction box for wall ductMounting frameSingle boxTriple canTrunking boxUniversal data socketfrom the following manufacturers:Manufacturer overview catalogue Install. box - device install. duct:KleinhuisMetzNiedaxOBOPROTEC.classRehauSchneider ElectricSpelsbergTehalitTelegärtner
Arm for cable carry system - Do you have to lay lines and cables in the office, in the assembly hall or in the workshop? You are sure to rely on the use of cable support systems. However, cable trays and cable routing ducts also need to be securely fastened to the wall and ceiling because, depending on the scope of your installation, this can add up to a considerable weight. In the eibabo® technology store you will find high-quality ceiling and wall brackets for a wide variety of cable support systems for anchoring in the masonry. These consist of robust metal profiles and create a stable and secure connection between the building and the support system.What are cable support systems?With cable support systems, you can lay the power supply for your building. This includes:power cablelow voltage cablesignal linessafety cable and fire alarmand more The cables and lines are installed through basement rooms, false ceilings, production halls and across floors. The route can run vertically and horizontally. Unlike electrical installation pipes, the systems also accommodate massive bundles of cables. These systems are therefore particularly suitable for extensive private or commercial systems as well as for complex industrial applications. The modular design ensures maximum flexibility combined with stability, security and cost efficiency.Image: OBO AW 30 11 FT wall bracketWhere are cable support systems attached?In order to set up a cable network, it is usually necessary to lay a large number of cables. The use of metal cable trays to create a cable support system on site is a standard solution that is often used and proven. The trays and trays are installed in technical rooms, cable tunnels or false ceilings, pulled through corridors or installed in workshops, offices and shops. Since the loads on the trays can be very high due to the large number of cables to be laid, a reliable method for installing and fastening the trays must be used. The main ways to attach a cable support system can be divided into three categories:wall mountingceiling mountfloor mount The wall mountThe most common type of attachment is wall mounting using cable trays, brackets, shelves and brackets. These can be attached directly to the wall or to special frames or profiles. The components are made of metal, are solid and ensure reliability and durability. The main advantage of installing the route on the wall is the possibility of installing several parallel or superimposed levels of cable trays. This enables you to lay the cables separately. For a better overview, we recommend that you lay the cables separately according to their purpose. This gives you lines of power cables or data cables, which you assemble in groups in parallel or in tiers. TIPThe brackets can be attached directly to the wall with anchor bolts or to an already installed cable tray. The advantages of the cable tray undoubtedly include the ability to organize several rows at different levels of the route. A high installation speed is guaranteed. Other benefits of using shelves and brackets include:Easy and quick installationStrength, reliability and high load capacity of the structureModular design and versatility; with profiles and extensions of different lengths, constructions with individual heights and depths can be set upThe design of many consoles and outriggers allows mounting fasteners both above and below the console itselfPossibility of horizontal and vertical mountingA large selection of brackets for a wide range of loads - from small to extra high The ceiling mountToday, no building can be imagined without the laying of a cable network. A popular method of installing tubs is to attach them to the ceiling and ceiling systems. Such a method of fastening is similar to wall mounting shelves and consoles. However, the consoles are not mounted on the wall, but on special ceiling supports or on prefabricated structures made of ceiling supports and a mounting profile. Installation can be done by:Cantilever brackets as universal attachments made of high-quality steel with anti-corrosion coatingWith this type of attachment, the use of cable trays is possible, which means you can place several shelves parallel to each other on one console.L-shaped mounting profilesThis installation method is used for cable ladders and wire trays. The profiles are characterized by high load-bearing capacity and strength, as well as low cost and fire safetyThreaded rods with connected steel profilesA U-profile or a bracket is used as a shelf for the cable trays. This method can be used to create single- and multi-story channels.Stable assemblyWith any type of installation, the retaining elements must be installed every 1 to 1.5 meters for safety reasons. That means: at the joints and in the middle of the cable trays.All ceiling mounts should be secured to the ceiling with suitable bolt anchors or drop-in anchors. The special anchor fasteners make it easier to move or dismantle the fastening structures.The floor assemblyThere are stable supports for floor installation, which can also be used to walk on the cable route, depending on the dimensions. Due to the modular design of the fastening structures, the mounting profiles for ceiling mounting can also be used for floor mounting in order to create a certain distance from the floor.What should I look out for when buying brackets for cable support systems?As described, outriggers come in a variety of forms. Check whether it is to be attached to the wall, ceiling or floor and what load-bearing capacity is required. Don't skimp on the fastening material. Dimension anchors and bolts generously, because they have to support the weight of the structure and many cables. When purchasing, make sure that it is compatible with elements of a cable support system that may already be in place.What other elements do I need to create a cable support system?You have already taken care of the cable trays (solid, perforated or as wire baskets) and now you also know about the fastening brackets and the fastening material. You may need the following elements to produce your individual cable support system:Brackets/Bolts/Nuts - used to attach the gutters to the bracketsCorners / junctions - these allow you to route your route according to architectural specifications, both horizontally and verticallyTerminators - provide a proper termination to terminating cable runsCovers - protect your cables from dust, dirt or fire, depending on the modelProfile caps - protect the ends of the mounting profiles from external influences, protect you and others from injury and make the design more aestheticCable ties - for fixing and sorting the cables in the traysTools ? including a drill, wrenches or screwdrivers As a full-range supplier for technical installations, you can get all these products from us here in the shop. This also includes the right dowels and screws for your walls, floors and ceilings - whether masonry, concrete, wood or drywall. Manufacturers of high-quality cable support systems are Erico, Fischer, Hensel, Legrand Cablofil, Niedax, Niedergesäß, OBO, Rico and Tehalit.  Catalogue content:In this eibabo® catalogue Cable carrying systems > Bracket for cable support system you will find items from the following product groups:Item overview:Anchor rail bracketAngle bracketCable clamp railCable management railCable support systemCable trayCarrying consoleCeiling handleChannel support systemClamp boomConnection bracket bracketDouble boomDouble wall boomGround elevationHanging stickHanging support bracketOutriggerProfile railProfile rail bracketRecording mediumScrew boomSpacer bracketSteel boomStick boomSupporting structureWall bracketWall consoleWire mesh trayfrom the following manufacturers:Manufacturer overview catalogue Arm for cable carry system:EricoHenselLegrand CablofilNiedaxNiedergesäßOBOPohlCon Vertrieb (Puk)RicoTehalit
Distributor-timer - digital - Don't you also think that many electrical consumers don't have to be in operation all day? Would you like to save costs and conserve resources? This is possible with timers for the control cabinet. Find out here which functions digital distribution time switches can take on and which special features you should pay attention to when buying.At eibabo® you will find the right digital distributor time switch for installation in the electrical distribution board. We carry a large selection of Astro timers, weekly timers and yearly timers. Manufacturers of high-quality devices include Hager, Finder, ABL Sursum, Theben, ABB, Stotz S&J, Legrand (BT), Grässlin, Eltako and Schneider Electric. In the following text we will go into the individual variants in more detail.What are distribution timers?A time switch for the junction box is an electronic or mechanical device that switches electrical consumers on a time-controlled basis. These can be switched on and off without having to flip the switch yourself. This can be useful in private households as well as in commercial companies and in the industrial sector. The purposes of the distributor time switches include, among other things, the automatic switching on and off of lighting systems or the control of fixed house installations such as heating, ventilation, lawn sprinklers and air conditioning units. This not only saves you time, but also money.NoticeDistribution time switches are often offered in grid dimensions (pitch units). Depending on the equipment, such a device requires one to four modular widths in the control cabinet.The advantages of a timer are therefore obvious: electricity costs can be reduced effectively through the targeted control of your electrical devices. At the same time, you have the option of making your home less attractive to burglars, for example by simulating your presence using optionally available random functions.You can also get digital or analogue timers for the socket in another catalog from the eibabo® shop. Their function is comparable to that of the distributor time switches. However, the area of application extends to 'mobile' devices that are not permanently installed. These include Christmas lights, aquarium technology or decorative items such as fountains.What functions do distribution timers offer?A high-quality distributor time switch offers numerous functions and programs for the individual setting of the switching cycles. These include:60 min program / 24 h programWeekly program / annual programAutomatic summer/winter time changeoverholiday programimpulse programcycle programastro programrandom programPermanent switching ON/OFFexpiration timerhour meter Image: Theben TR 644 top2 RC distribution time switchWhat is the difference between each type of timer?We often come across terms such as astro timers, weekly timers or yearly timers. With regard to a purchase decision, the question then arises as to whether there are significant differences between these models. The basic function is the same for all models. The differences lie in the detail and the setting options of the individual variants. The astro function of a timer adjusts the switching times daily to the seasonally changing length of the day. In other words: When the days get longer in spring, the device switches on a little later every evening and a little earlier every morning. This process is calculated electronically and does not require a brightness sensor, for example, which would otherwise have to give the command to switch the light on or off. With a weekly timer, you can set individual switching times for each day of the week. In contrast, the function of a very simple time switch is limited to setting switching cycles within 24 hours.Already knew?Modern timers have a powerful power reserve. In the event of a power failure, this ensures the function of the timer for up to 10 more years.The annual time switch offers even more extensive functions. This means that different switching times can be provided for each calendar day and vacations and public holidays can be taken into account.Do distribution timers require a separate power supply?Digital timers always require energy to operate. As a rule, a distribution time switch is clamped onto the DIN rail of the control cabinet and supplied with mains voltage via an integrated power pack. Time switches that are exclusively battery operated are rare. These are typically analogue variants, which are used, for example, as 'door openers' in stables when there is no electricity.Is a digital timer always better than an analogue model?An analog timer works mechanically, a digital timer works electronically. Whether one or the other variant is more suitable for you depends on your requirements for the device. Mechanical timers usually have a higher-level switch with which you can switch the device off completely, switch it on permanently or switch it to switching mode. Switch buttons arranged in a circle represent the daily routine. There are usually 48 buttons and each button stands for half an hour. Activate or deactivate the corresponding switching period by pressing or pulling out. Compared to analog timers, digital timers offer significantly more setting options and functions. In contrast to mechanical timers, you can usually set several switching programs down to the minute over days or weeks. The distribution timer is operated using buttons and a display. TIP:If you want to control more than one device with the distribution timer, choose a model with the appropriate number of channels. This saves a lot of space in the control cabinet. Times and switching programs are clearly shown on the display. In terms of accuracy and functionality, a digital time switch is clearly superior to the analogue version. However, it requires a certain learning phase to understand the technology and set switching programs. If you only need 'rough' and daily recurring switching processes, analogue time switches are still a good alternative. These are set up and ready to use in just a few seconds.Can distributor time switches be programmed using an app or externally?There are distributor time switches that have Bluetooth and can be configured using an app. This allows you to display and change the switching states via smartphone or tablet computer. The prerequisite is the coupling between the input devices and timers within a network. Another way of programming the switching times is to use manufacturer-specific software. You can transfer the switching information to a special memory card via the USB interface of your computer. The memory card can then be connected to the time switch on the construction site/in the switch cabinet and the switching data can be loaded into the switch and vice versa.Doesn't a distribution timer consume more electricity than it saves?If the focus is on switching a consumer (e.g. the lighting) on and off, a distribution time switch is of course useful. As a rule, active end devices consume significantly more power than a timer. The question asked above relates to switching off a device that would otherwise run in standby mode for hours.To answer this question, a distinction must be made between an analogue and a digital time switch. An analogue model is less complex and usually has an output of less than 1 watt. With an electricity price of 40 cents per kilowatt hour, for example, the consumption costs are around 1 cent per day with 24 hours. With a digital timer, you have to assume around 2 watts and thus calculate electricity costs of 2 cents per day. In this calculation example, the investment costs for one or more time switches should also be taken into account.You can now compare this with the standby power consumption of your devices. This essentially depends on the type, age and number of devices. Old devices with displays consume more power in standby than modern electronics with only one control LED. A mix of new and old devices in the household currently results in an average consumption of 1 to 2 watts per device. If you need a separate timer for each electrical device, using them to save standby power is therefore not economical. The situation is somewhat different with distribution time switches, which can switch several devices or machines with a high standby current at the same time. This may save you on standby electricity costs, although this is not the primary reason for using a timer in these cases either. TIP:Pay attention to the shortest switching time of the device if you want to switch short intervals. Some devices only switch every minute and only a few devices switch every second or even faster. An example: If you have a terrarium with a sprinkler system, the nozzles should usually only spray for a few seconds. This is to maintain high humidity. Prolonged spraying may flood facility and animals.  Catalogue content:In this eibabo® catalogue Devices for distribution board- / surface mounting > Digital time switch for distribution board you will find items from the following product groups:Item overview:Astro timerBuilt-in timerDaily timerDigital timerDistribution timerEnergy efficientExpansion moduleInstallation timerJunction boxLighting controlLocation dependentPosition dataPower reserveProgram clockQuartz timerSeries installationTimerTimer moduleTimersUniversal timerWeekly programWeekly timerYear time switchfrom the following manufacturers:Manufacturer overview catalogue Distributor-timer - digital:ABBDoepkeEatonEltakoFinderHagerHamaLegrand BticinoSchneider ElectricSiemensTheben
Dimming actuator - The technical requirements for the use of dimming actuators are very extensive. Why do I need a dimming actuator and which dimming actuator is the right one for me? In this eibabo catalog you will find many dimming actuators from different manufacturers, for example from the top brands ABB, Berker, Busch-Jaeger, Eaton, EVN, Gira, Hager, Issendorf, Jung, Lingg & Janke, MDT, Merten, Siemens and Theben various automation systems or conventional applications.How do I plan the lighting correctly?You should not start with the control technology first, because this follows at the very end of the lighting planning. First you should plan the lighting according to necessity, appearance, ambience and your own wishes, followed by the functional requirements and then find the right lights.Save by planning!The more precise, the cheaper the execution of the installations. The more complex the functional requirements are, the more important it is to plan and research a suitable SmartHome system.Only then is the functional implementation carried out, which consists of many other topics.What should I know beforehand?Which lights do I want to install?Do I want to use a conventional installation or a bus system?Should the SmartHome be wired or radio (KNX, DALI, or Zigbee radio protocols such as Hue)?Which lights are switched and/or dimmed together and how?Should it be controlled via app or voice assistant?and much more... ... this results in the following findings, for example:Which cables and lines are required?Which control components (e.g. dimming actuators) have to be considered?To what extent do the operating resources have to be secured?How much space must be provided in the electrical distribution?Do I have to consider special flush-mounted sockets for lights?and much more... What do I have to consider before buying a dimming actuator?Before you buy a KNX dimming actuator, the load types of the equipment and their performance should be checked carefully. There are basically 3 types of KNX dimming actuators. There are dimming actuators with the control type leading edge, trailing edge or universal dimming actuators that recognize the connected load type and automatically activate the correct type of control. TIP:Install a few more lights in the room and use a dimming actuator to create a pleasant lighting ambience. KNX dimming actuators are available for installation in the electrical distribution system, then they have the suffix 'REG' for modular installation devices or as a concealed version 'UP' for installation in a mounting box or junction box or as an installation version 'EB' for integration in ducts or similar. 230V halogen lamps or incandescent lamps, for example, can be operated with both types of control.What is the difference between leading edge dimming and trailing edge dimming?Very simply explained; 12V low-voltage lighting (NV) with a conventional iron-core transformer requires phase control dimming, although these transformers are hardly ever used. 12V low-voltage lighting (NV) with an electronic transformer requires trailing edge dimming.The type of dimming of the dimming actuator can be recognized by the abbreviation 'RL' for trailing edge dimming for incandescent lamps, 230 volt halogen lamps and the abbreviation 'RC' for trailing edge dimming for incandescent lamps, 230V high-voltage halogen lamps, 12V low-voltage halogen lamps, dimmable LEDs and dimmable ones energy-saving lamps. It is also possible that both abbreviations 'RC' and 'RL' can be found printed on the dimming actuator. Often you will also find this imprint: 'R, L, C'. It designates which equipment the dimming actuator can work with (dimmer, transformer, LED). If you find all 3 letters or the abbreviations 'RL' and 'RC', then it is usually a universal dimming actuator.Image: KNX LED universal dimming actuator - Jung 390041SRIn this case, however, the limit values of the power ranges for each type of dimming with connected equipment must be observed. Dimming actuators often have minimum loads, which may not be suitable for the use of LEDs. Trailing edge dimming 'RC' (trailing edge control) is the most common application. Basically, the lamp and the dimmer must be marked as 'dimmable' and fit together. TIP:For LEDs, we always recommend LED dimmers or LED controllers, which have also been developed for exactly this application. If in doubt, you can also contact the manufacturer of the dimming actuator directly if you send a data sheet for the equipment (lamps and, if applicable, ballasts).Can I dim a fluorescent lamp? Are energy-saving lamps dimmable?Yes, fluorescent lamps and energy-saving lamps can also be dimmed, provided the lamp is suitable and marked as 'dimmable' or, in the case of fluorescent lamps, there is a dimmable electronic ballast (EVG) for 1-10V or the DALI standard. You can find KNX dimming actuators for electronic ballasts with a 1-10V interface under Smart Home > Light control unit. Another standard for electronic ballasts is DALI (Digital Addressable Lighting Interface). The advantage over the 1-10V variant is that addressing is possible and there is no wiring according to groups. Further advantages are direct addressing, status messages, scene memory and a wide range of dimming options with the DALI ECG.How do I find out if my lamp / luminaire is dimmable?Basically, the light source used should first be checked to see whether it is dimmable. You can find this marking in the item description or on the packaging. Lamps that have already been planned and fitted with light sources must be checked for dimmability and the type of control with the control gear used.How do I determine the power for my dimming actuator?It must be clear which light groups are to be switched and dimmed together and how high the total output (W/VA) of the group is in order to select the appropriate KNX dimming actuator with regard to the required maximum output, the minimum load and the number of channels as well as the type of control Find. eibabo always recommends a thorough analysis of the application prior to purchase. Lamps and illuminants must be technically analyzed and checked against the technical data of the dimming actuator. In addition, there are countless different parameter properties of KNX dimming actuators between the manufacturers.Why can't I dim my LED light?All dimming actuators meet the standard requirements for dimming. In addition, many manufacturers offer additional interesting parameters. These parameters may be functionally important for your project. The marking KNX universal dimming actuator does not automatically mean that these dimming actuators are also suitable for dimming the LEDs you use.  Catalogue content:In this eibabo® catalogue Installation bus systems > Dimming actuator for bus system you will find items from the following product groups:Item overview:ActuatorBasic moduleBinary inputBrightness controlBus technologyControl blockControl unitDimmer plugDimming actuatorsDimming extensionDIN railEnergy efficientExpansion moduleFan driveFunction moduleLight controllerLightbulbsLightingLighting technologyLuminaire controlOutput moduleRadio controlRadio receiverRetrofit lampsSocket coverStarter packUniversal dimmerUniversal dimming actuatorfrom the following manufacturers:Manufacturer overview catalogue Dimming actuator:ABBBerkerBusch JaegerEatonElsoEltakoESYLUXFinderfrogblue AGGiraHagerIssendorffJungLegrand BticinoLegrand SEKOLingg & JankeMDTMean WellMertenPehaSchneider ElectricSiemensThebenWielandZumtobel
Core cable - It is not always necessary or desirable to lay cables and lines with multiple cores. For these applications, the eibabo® technology store offers you individual cores with different diameters and insulation. Read here what you should pay attention to when using and buying.Classic cables and lines usually consist of several individual and separately insulated wires. The conductive material of these wires consists mainly of copper, in certain cases also of other metals. The nature of the conductor itself can also vary. A solid wire is possible, but also a bundle with a multi-core core structure, so-called stranded wire. If you want your installation to be more mobile, reach for the stranded wire. Use solid wire for permanent installations. You can get individual wires, but also ready-made cables and wires from us in our online shop at reasonable prices.What are cables, wires and cores?Electrical cables, wires and individual wires all serve the purpose of transmitting electrical energy or data signals over a certain distance.More cables in the shopSpecial cables and cables for data transmission and signal transmission can have a different structure than classic power cables. With our search you will find cables and wires for almost all electrical engineering requirements.core linesThe core cables offered in this catalog are individual solid metal cores or strands, which are surrounded by insulation. Core lines for the transmission of electrical energy usually consist of two parts, a metal core and a surrounding insulating layer. The metal core made of copper or aluminum serves as a conductor for the direct transmission of the electric current. The core of the wire can be monolithic (solid wire) or twisted from several fine wires. Copper conductors are mainly used for wires with small and medium cross-sections. The insulation of the wires serves to protect them from contact.cables and wiresIn contrast, cables and wires consist of several cores, which are combined under a common insulating layer. The term cable is used in German when it is a fixed installation outside of buildings. Cables are used inside buildings. The type of cable or line is selected according to the type of installation, the planned load and the environment.What is the significance of the colors of the core cables?First of all: We always recommend that you have work on electrical equipment carried out by an experienced installer.When you see an electrical installation or look at a loose end of a cable, you are confronted with wire cables of different colors. In Germany these are typically black, brown, blue, gray and green-yellow. If you understand the color coding for electrical cables, you will be able to use the individual cores correctly. This is particularly important because other people later rely on the correct assignment of the colors when checking or making changes and derive the function of individual wires from this. NoticeThe color codes are slightly different internationally. When choosing the color, please refer to the applicable standards in your country. Non-metallic electrical cables consist of the outer plastic sheath and the inner, color-coded cores. Markings are usually applied to the sheathing, which provide information about the number of wire lines and their diameter. The color of the wire determines its purpose. The following rules apply in Germany and the EU: The basic colors are brown, blue and green-yellow. There are also the extended basic colors black and grey. Alternative colors are white, orange, red and purple.The brown wire is phase 1 (L1) and is always used for the so-called 'hot wire'. The term 'hot' is used as a synonym for wire lines that transport the electrical current from the power source to the device (lamp, socket or similar).The blue wire is the neutral wire (N) and must not be switched independently. Please don't let the term 'neutral' fool you. It is easy to believe that this is a non-electrified line. Even neutral lines can potentially carry electricity. While the brown wire carries power from the power source to the device, the neutral wire carries power back to the source. Therefore, both 'hot' and neutral lines have the potential to cause electrical surge injuries.All electrical devices must be grounded. In the event of a fault, grounding provides a safe path for current to flow back to ground or earth. The green-yellow wire is intended for this. This is called the protective earth conductor (PE) and is connected to electrical devices such as switches, sockets and fittings as well as metal frames or metal housings.Already knew?The green-yellow color combination for the protective conductor was chosen so that people with color blindness can distinguish this line from the other lines.The extended basic colors black and gray are used when it is a three-phase AC installation. Colloquially, one also speaks of power current, three-phase current or site current. The term 'strong current' is also often used. However, this is not correct. The term 'high current' is only used in connection with systems with a nominal voltage of 1 kV or more. The black wire represents phase 2 (L2), the gray wire represents phase 3 (L3).You can choose the alternative colors white, orange, red and violet as a supplement for certain installations, for example as a corresponding cable for alternating circuits or cross circuits.Which cross-section do I have to pay attention to with core cables?The required cross-section of an electrical cable depends on numerous conditions. These include the type of current (direct current, alternating current), the level of the operating voltage, the amperage, the length of the line, the type of installation, the voltage drop and the phase angle. These parameters result in a calculation formula that can be used to determine a cable cross-section. Due to the many variables, we cannot make any general recommendations for the use of certain cross-sections at this point for safety reasons.Picture: Various manufacturers H07V-U 1.5 core cable solidWhat are the differences between solid conductors and stranded conductors?Electrical wires are the basis of every electrical circuit. In addition to the color of the insulation and the cross-section of the conductor material, we also distinguish between solid conductors and multi-core core structures. Choose cables, wires and cores with solid conductors for permanent installations, for example in walls, floors, ceilings or in the ground. In these environments, the solid conductors have a number of advantages over flexible strands. These are:Cheaper to Manufacture ? Given the amount of wiring and wiring in a building, this has a huge impact on investment costs.Rigid and mechanically more stable - This makes it easier to lay through channels and openings.Easy and convenient to connect - The connection in terminals can also be made quickly and safely without ferrules. Stranded conductors are used in flexible installations and offer the following advantages over solid conductors:Plenty of surface area for the current to flow ? With the same load, the diameter of a stranded conductor can be smaller.Greater Surface Area for Less Resistance - Power dissipation is less than a solid conductor of the same size.Lots of flexibility and smaller bending radii ? stranded conductors have a longer service life than solid conductors when it comes to movement, twisting and stretching.   Catalogue content:In this eibabo® catalogue Cables > Power cable < 1 kV, for permanent installation you will find items from the following product groups:Item overview:Bell lineBell sheathed wireBell wireCore lineEnergy connectionInstallation wireJumper wireMounting wireMulti-standard linePlastic hose linePower cablePower connectionPower lineSilicone lineStranded wireWiring linefrom the following manufacturers:Manufacturer overview catalogue Core cable:DiverseEupenHelukabelHuber+SuhnerIRCEJungLappkabelLeoni KerpenLeoni StuderWeidmüller
Heating actuator - A comfortably warm bath after getting up or a cool bedroom at night - automatically. Who does not want that? Modern building automation makes it possible. The interaction of room temperature controllers, heating actuators and valve drives offers almost unlimited possibilities. The setup can be set up in all rooms according to the needs of everyday life.What are heating actuators?If you want to regulate the temperature in the room, in the apartment or in the entire building automatically, heating actuators play a central role. In principle, these are switching actuators. However, these are not equipped with mechanical relays. Thermoelectric valves (low ohmic loads) work here, which use electronic circuits (Triac) to ensure closed hot water circuits or chilled water (chilled ceiling). As a result, these devices are noiseless and wear-free.How is room temperature controlled via a heating actuator?The control difference determined by a KNX room temperature controller, i.e. the difference between the setpoint temperature and the actual temperature, is converted into a command value telegram. It is sent to the corresponding channel of the heating actuator via the KNX bus. Connect the thermoelectric (conventional) actuator to the duct using a suitable cable (e.g. NYM-J 3x1.5). The heating actuator can switch directly (1 bit) or independently process a received 1-byte command value signal internally. With the latter, the KNX bus is relieved because there is no flood of control telegrams from the room temperature controller to the actuator. Only the calculated control difference is sent to the actuator as a 1-byte command value telegram (0-100%). This converts the information into switching signals (on/off) directly to the assigned heating channel. This is called pulse width modulation (PWM). TIP:Make sure there are enough control channels on the heating actuator, ideally at least one per room. This creates maximum flexibility when controlling. The following small example illustrates the rough functionality, not the actual, manufacturer-specific control algorithm:The current temperature (controlled variable) is 20 degrees Celsius. The desired room temperature is 25 degrees Celsius and represents the set value for the controlled variable (command variable). The difference between the desired room temperature (set value) and the current temperature (actual value) is the control difference. The control difference is 5 degrees Celsius and is used to determine the manipulated variable that influences the room temperature. Assuming the manipulated variable is 20%. This value is sent to the heating actuator in the form of a 1-byte telegram (0-255 = 0-100%). The value 51 is therefore transmitted to the actuator. The time for opening/closing the actuator is stored in the parameters of the actuator using ETS. You can find this time in the properties of the respective 230V AC or 24V DC thermoelectric actuator. For example, the actuator takes 2 minutes to fully open. With a command value specification of 20%, the actuator would switch on the valve drive for 24 seconds (20% of 2 min.) and switch it off for 96 seconds. This process is repeated until the room temperature controller calculates and sends another command value specification. Depending on the manufacturer of the actuator, you can integrate several actuators per channel.How do I find the right heating actuator?The selection of a suitable heating actuator is linked to certain requirements. Answering the following questions will help you make a decision:How many heating circuits does my system have?How many actuators do I have per heating circuit?Do I want to install the heating actuator centrally or directly in the heating circuit distributor?Do I want to protect the power supply of the device via a connection for auxiliary voltage?With what voltage do the actuators work?Which functions should the heating actuator have?Do I prefer a certain brand?and many more The range of functions of a heating actuator in particular can differ depending on the model. Things to keep in mind include the following:Is it controlled with 1bit (switching/PWM) and/or 8bit (continuous) control values?Is direct control with a temperature value possible via the KNX bus?Does the device have an integrated temperature controller?Are the setpoints saved in the event of a bus voltage failure?Is there an emergency operation if the cyclic command values fail?Are different operating modes available (comfort, night, frost protection, summer mode or winter mode)?Is there a short-circuit detection and a voltage failure detection?Does the device have a pump shut-off? High comfortDepending on the model, it is possible to set a minimum comfort temperature for the underfloor heating. An additional sensor measures the temperature of the floor and keeps it at your comfort level. This is very pleasant in barefoot zones such as a bath.Depending on what value you place on the individual properties, the range of products can be limited to just a few models.Can I connect a heating actuator directly to the actuators in my heating circuits?In the case of a decentralized installation, for example in the heating circuit distributor, models with L and N connections can be used for direct connection of the actuators.Are KNX actuators really bad?Thermoelectric actuators are not wear-free and should be replaced every year. That is why expensive KNX actuators, which combine the KNX actuator and actuator, have not caught on and are disappearing from the market.Image: Jung Triac 2336-REG-HZR-HE 6-fold KNX heating actuatorHow are thermoelectric actuators installed?Thermoelectric actuators (valve drives) are snapped or screwed directly onto the upper part of the valve used in the house. This connection with the valve spindle is usually made directly in the heating circuit distributor. You can use adapters made of PVC or metal to compensate for the manufacturer-specific distance differences between the drive and the upper part of the valve or the thread and the mount. In this way you ensure correct implementation of the manipulated variable.How do I prevent rapid wear and tear on my valve drives?The ETS parameter 'Flush' minimizes wear and tear on valves that are rarely used, for example in summer or in bedrooms. This function prevents rapid calcification of the heating valves. Good to knowWith actuators, a distinction is made between NC (normally closed) and NO (normally open). NC drives open when power is applied. In NO actuators, the current closes the valve. Please bear this in mind when planning your heating system, as it is ultimately your personal decision. In the event of a power failure or defect, NC drives close and you quickly notice a malfunction. These drives only consume electricity when heating. On the other hand, drives that open without current are more efficient during the heating period. In this case, switching off the pump by the heating actuator after the winter season would be advisable. Otherwise you would continuously use electricity to keep the heating closed by means of the NO actuators in the warm season.Who are the leading manufacturers of KNX heating actuators?The leading manufacturers of KNX heating actuators at eibabo® are, for example, ABB, Berker, Busch-Jaeger, EIBMARKT, Elsner, Gira, Hager, Jung, Lingg & Janke, MDT, Merten, Siemens and Theben. We have more than 25 years of experience in the field of building automation and have arranged the order of the products in this catalog accordingly. Price/performance, quality and range of functions are particularly good for the heating actuators listed first.  Catalogue content:In this eibabo® catalogue Installation bus systems > Heating actuator for bus system you will find items from the following product groups:Item overview:Blind controlBlind functionCircuit controlConsumer controlCooling outletDIN railEnergy efficiencyEnergy efficientEnergy measurementExpansion moduleFan actuatorsHeater outputHeater plugHeater relayHeating actuatorHeating boxHeating controllerHeating thermostatic valveInstallation busLighting controlManual operationSocket controlStarter packSwitching actuator moduleSwitching outputThermostatic valveValve controlVentilation actuatorfrom the following manufacturers:Manufacturer overview catalogue Heating actuator:ABBAlre-itBerkerBusch JaegerEatonEltakoESYLUXGiraHagerJungMDTMertenSchneider ElectricSiemensTheben
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