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Front element push button - In times of digitized workflows and machine operation via touchscreen, pushbuttons and pushbuttons seem like a relic of bygone eras. But it is not without reason that this type of switch can still be found in many industrial applications today. Their application is intuitive, their function immediately obvious. And that is often a great advantage, especially in the area of plant and machine operation. With a single push of a button, an action is triggered, which also has an immediate effect on the corresponding process. In order to make the function or the importance of such a pushbutton clear, its front elements are colour-coded accordingly, vary in size or are even provided with corresponding signal lights. This allows priorities and functions to be defined within a complex control panel with multiple pushbuttons, which can be understood by the plant operator in a short time. You can get high-quality, robust and easy-to-use front elements for pushbuttons in your eibabo online shop.Catalogue content:In this eibabo® catalogue Low-voltage industrial components > Front element for push button you will find items from the following product groups:Item overview:ActuatorButtonCommand deviceControl elementDual keyEmergency stop buttonEMERGENCY STOP command deviceFront elementFront element for push buttonHead pushbuttonIlluminated pushbuttonIlluminated pushbutton switchIlluminated switchLight switchMushroom buttonMushroom push-pull switchMushroom pushbuttonPendant controlPulse buttonPush buttonPush button front elementPush button signal lampPush button, completePush-buttonPushbuttonSlam switchSwitchSwitch buttonfrom the following manufacturers:Manufacturer overview catalogue Front element push button:ABBCeagEaoEatonRockwellSchlegelSchmersalSchneider ElectricSiemens
Push button - Experience the extensive product selection of our switch programs and find your product from the button and momentary switch area here. Read on and learn more about the different types of buttons, their functions and areas of application. This eibabo® catalog mainly contains buttons for classic domestic use. These are either styli or complete devices for wall installation and wall mounting. The different types include single and double buttons and rocker buttons, rotary buttons, manual release buttons, key buttons and key switches, series buttons and pull-cord switches. Another product group are the pushbutton switches / rocker switches.Are you looking for pushbutton sensors, pushbuttons for industrial applications (e.g. on machines or in consoles) or pushbuttons for use in control cabinets? For this we offer you separate categories with a huge selection. Please use our powerful search.Image: Jung 531-41 U Multi-Switch double buttonWhat is the difference between a button, a switch and a tactile switch?Switching processes accompany us every day. This begins early in the morning when the alarm clock is switched off and the light is switched on. As a rule, we don't worry about how the technology behind each shift works. Typically, these are devices in which a mechanism ensures that a circuit is closed or opened. However, if we take a closer look at the type of circuit, clear differences become apparent.The deskThe classic, simple switching process (e.g. at the light switch) consists of two states - ON and OFF. A conductive connection is made or broken between two contacts. We operate the rocker switch, a circuit closes and the light shines. We operate the other side of the paddle switch, the circuit is broken and the light goes out. The shift paddle remains in the corresponding position with every shift. As a result, the respective switching status ON or OFF remains until the rocker switch is pressed into the other position.The buttonThe basic function of the button is slightly different. A button does not switch, but closes the circuit via a pressure pulse. The functional principle corresponds to that of a switch. Here, too, a conductive connection is established between two contacts by actuating a rocker or a push button. The current flows and the lamp lights up or a bell rings. Unlike the switch, the circuit is immediately broken again when the pressure pulse ends. The rocker or pushbutton is returned to its original position by a spring mechanism. Other types of styli work in the opposite way. The circuit is separated by the pressure pulse and then closed again. An application example for this are electromagnets on the door opener. Switching scenarios can also be implemented via these pressure pulses by using additional relays. You know this from lighting in stairwells, for example.The tactile switchA tactile switch is a combination of a button and a switch. Such a device is similar to a switch in terms of the switching function and a button in terms of operation. A rocker switch or push button closes the circuit when pressed and then returns to the starting position. Unlike the button, however, the circuit remains closed until another pressure pulse interrupts the circuit. So it is the mechanism that distinguishes the pushbutton switch from the switch.Perfect opticsThe rockers of pushbutton switches arranged next to each other are always in the same position relative to each other, regardless of the current switching status.This results in an always uniform and orderly view. Unlike pushbuttons, relay switching with pushbutton switches is not possible. As a rule, there is no significant optical difference between switches, buttons and pushbutton switches from the same switch range. Especially when it comes to rockers, tilting controls, sliding elements or rotary handles.What are normally open, normally closed and changeover contacts?Buttons are available as openers, closers and changers. In most cases, a button is used as a closer. The connected circuit is closed with a pressure pulse. As already described, this state only lasts as long as the button is pressed. The closer works in the opposite direction. In a basically closed circuit, pressing a button breaks the circuit. As you probably already suspected, a changer can take over both functions. You will surely wonder if this is not a switch. And you are right. A changeover contact corresponds to the pushbutton switch described above.What is a key switch?Key buttons are classic buttons, but they do not have manual controls. Instead, a suitable key is required. Turning the key in the lock changes the switching status. For example, turning the key will open a roller door for as long as it is held in the OPEN position. The roller door stops when the key returns to the zero position. However, such devices are usually designed as pushbutton switches / changeover switches. In these cases, turning and holding the key in the other direction closes the roller door.How do I recognize the switching status of pushbutton switches?Simply designed pushbutton switches can leave you in the dark about which switch position is currently applied. However, most pushbutton switches have a small indicator light that signals the active status.Are all button inserts compatible with all switch ranges?You can buy buttons from us for the most popular switch programs from all relevant manufacturers. These include Berker, Busch-Jaeger, Siemens, Jung, Gira, Elso, Merten, Hekatron, Sommer, Rademacher as well as von Peha, Hager and WindowMaster. We carry both flush-mounted devices and surface-mounted versions.Please note that every manufacturer offers both button inserts for installation in the switch box and complete devices for flush-mounting and surface-mounting. If you decide to buy button inserts, please make sure they are compatible with the switch range you want. TIP:Choose pushbutton inserts and switches from the same manufacturer and from the same series. Cross-series or cross-manufacturer compatibility is not guaranteed, especially for switch ranges with a very individual design. We recommend first choosing a switch range that corresponds to your visual ideas. After that, the search for the right switches and buttons is easier.Can I also carry out KNX controls with a normal button?In this catalog you will receive buttons without a network connection. With a network-capable KNX button, you can operate the end devices integrated in your smart home network. This can be:the blinds, which let you move up and downthe light that you switch and dimthe heating you controlthe doors you open and closecompletely individual, user-defined scenarios It is generally operated using a different number of buttons or rocker switches on the device and/or via displays. KNX buttons specially made for this are more complex than the buttons without network connection offered in this catalogue. This extends to controls with an elegant touch display. Temperature sensors, LED displays and backlights are often already part of a unit. In addition, it is often possible to provide each key with additional functions, which are triggered, for example, by long pressing, double-clicking or even triple-clicking. A corresponding interface is required for communication with your building automation. With some KNX buttons, the so-called bus coupling is already integrated, with others you have to install it additionally and plug in the button. TIP:Using a KNX universal button interface, you can make simple buttons network-capable. With a KNX universal button interface, however, you can basically turn any conventional button into a KNX button. These interfaces are installed in a deep device box behind the conventional button and take on the task of a binary input. This converts the analogue, mechanical switching processes into KNX signals. But this solution is more for:simple standard applications such as switching lightsthe modernization of analogue existing installationsinexpensive and functionally manageable system extensions Complex parameterizations are not possible with these simple buttons. If you want this, the KNX push-button sensors designed for this are the better choice.  Catalogue content:In this eibabo® catalogue Domestic switching devices > Push-switch button you will find items from the following product groups:Item overview:Branch officeButton buttonsCard switchDouble buttonDouble button series buttonDouble toggle switchFire alarmGroup buttonInstallation buttonInternal buttonManual releaseManual release buttonNostalgia switchPanic buttonParallel buttonPush buttonPush button switchRadio controlReversing buttonRocker switchSignaling contactsSingle buttonTactile elementToggle switchVentilation buttonWireless sensorWireless wall buttonZero clampfrom the following manufacturers:Manufacturer overview catalogue Push button:Assa Abloy effeffBEGA GantenbrinkBerkerBerner TorantriebeBusch JaegerElsoEltakoGiraHagerHekatronHHGIssendorffJungKindermannLegrand BticinoMertenOBOPehaRademacherSiemensSomfySommerWindowMaster
Housing command-signal. device - With command and signaling devices, machines and systems in the industrial sector are started, shut down or automatic processes are implemented. These devices, such as buttons, toggle or key switches, mushroom pushbuttons, potentiometers, emergency stop buttons or stop switches, acoustic alarms, signal towers or indicator lights require housings that protect them from external influences. These housings are available from the eibabo online shop. They are usually made of plastic or metal and, depending on the design, have a very high degree of protection, which also ensures use in critical environments. Housings for control and signaling devices are offered both as surface-mounted housings for flexible assembly and as built-in housings for integration into control panels or consoles.Catalogue content:In this eibabo® catalogue Low-voltage industrial components > Enclosure for control circuit devices you will find items from the following product groups:Item overview:Aluminum housingBuilt-in housingCabinet for contact element pushbuttonCommand deviceComplete deviceControl device housingControl unitEmergency stop switchEmergency switchEmpty CaseEmpty pushbutton boxEmpty pushbutton housingEnclosure for control circuit devicesEnclosures for command devicesEnclosures for control and signaling devicesHousingHousing with contact elementsIlluminated pushbuttonIndicator lightInstallation housingMetal bodyPlastic housingPush buttonSelector switchShading controlSignaling deviceSurface mounting housingSurface-mounted housingfrom the following manufacturers:Manufacturer overview catalogue Housing command-signal. device:ABBBenderEatonJungRittalRockwellSchmersalSchneider ElectricSiemensWerma
Push button - The area of switch programs is very important here in the eibabo online shop. The buttons, in turn, are an important part of all switch programs and can be purchased in different versions. For example, we carry the classic buttons that either close a contact (NO contact) or open a contact (NC contact) when pressed. In addition, double pushbuttons and double rocker pushbuttons, rotary pushbuttons, key pushbuttons, series pushbuttons, rocker pushbuttons, simple rocker pushbuttons or pull-pull pushbuttons are part of our huge range of pushbuttons. Did you know that there is a difference between a switch and a button? In a switch, an electrically conductive connection is made manually between two contacts. The circuit is closed mechanically. Pressing the switch again breaks this connection and interrupts the current flow. A typical application is the classic light switch. A button, on the other hand, only gives impulses to activate or deactivate a circuit. This impulse is triggered by pressing the button and depending on the line resistance. The classic application example here is the bell on the house or a door opener.Catalogue content:In this eibabo® catalogue Devices for distribution board-/surface mounting > Push button for distribution board you will find items from the following product groups:Item overview:Built-in buttonBuilt-in button for distributionsBuilt-in deviceButtonButton for series installationButton with indicator lightButtons and indicator lightsIlluminated buttonIlluminated push buttonIlluminated switchIndicator lightModular installation deviceOn/Off switchPulse buttonPush buttonPush button for DIN railPush button for distribution boardPush button modularPush button signal lampPush button switchPush button, completePush-buttonPushbuttonPushbutton modularSeries installation buttonStart/stop switchSwitchTactile switchfrom the following manufacturers:Manufacturer overview catalogue Push button:ABBDoepkeEatonHagerLegrand BticinoSchneider ElectricSiemensSommerWAGO
Tactile sensor - Smart, individual, simple, extravagant, futuristic - touch sensors, also known as KNX buttons, like to attract admiring glances and their modern design alone suggests to every user that this is more than a conventional light switch. Rockers, glowing LEDs, small symbols or even LCD displays give an idea of the numerous functions hidden behind many an installation. In addition, there is often a very noble selection of materials such as high-quality metal, acrylic or glass, which always exudes a touch of extravagance. But why are multifunctional touch sensors needed and how do you use their potential optimally? We give you a brief insight here.The basics in a nutshellTouch sensors are multifunctional control elements for the smart home.The design and function selection is huge, from a single button to a control center with 12 or more buttons, everything is possible.You can use it to control, for example, the light, its dimming, blinds, heating, entertainment center, door opener and all other devices in your home network.The button functions can be assigned individually and can be easily reprogrammed if necessary.Integrated LEDs or other displays often show the respective operating status or provide information about errors.   What is a touch sensor or a KNX button?You can operate the end devices integrated in your smart home network with a touch sensor or a KNX button. This can be blinds that you can raise and lower - light that you dim - the heating that you regulate or completely individual, user-defined scenarios. Depending on the model, operation is optically individual. In general, it is operated using a different number of buttons or rocker switches and/or even displays.The different types of KNX buttonsUsing a KNX universal button interface, you can basically turn any conventional button into a KNX button. These interfaces are installed in a deep device box behind the standard button and thus take on the task of the binary input, which converts the classic switching processes into KNX signals.Which doses are suitable?To do this, use a branch switch box with 4 screw domes or a deep switch box or an electronics box. Use our eibabo® search to quickly find the right item.This solution is particularly suitable for the standard application 'basic lighting' per room (see: 'What are standard applications?') or for the modernization of existing installations as well as for inexpensive and functionally manageable system extensions.'Real' KNX tactile sensors are much more complex and range up to control elements with elegant touch displays. Temperature sensors, LED displays and background lighting are often already combined in one device. In contrast to the simple interface variant, there is often the option of providing each key with additional functions, which are then triggered, for example, by a long press, double-click or even triple-click. TIP:We recommend planning well in advance so that you can later fit all the functions you need into your keypad. While some KNX push-button sensors require a separate bus coupler to which they are plugged, the bus coupler is already integrated in others. The eibabo® technology store also has both complete KNX pushbuttons and pushbutton sensor modules. The latter is 'only' about the technology and you can choose a matching design cover yourself. The possibilities are diverse - you can choose exactly what suits your project.The advantages and disadvantages of tactile sensorsThe central control of a large number of actions on different end devices is certainly the greatest advantage. The plus in comfort is combined with the flexible options for changing and expanding a well-planned setup. The disadvantage is certainly the slightly higher acquisition costs of a smart home solution compared to a conventional electrical installation. In the case of units with many keys and each assignment with different control variables (print, double-click), the overview of all the functions and their control can easily be lost.Unusual application examples in everyday lifeWe have already mentioned a few classic use cases. In the course of our more than 25 years of work, we have also been able to implement 'very special' projects. It starts with the smart opening and locking of the cat flap in the basement, continues with the choreographed lighting of exterior facades and doesn't end with the automatic pool cover, the fully automated aquarium or the heated driveway in winter.  You want to know more? We answer frequently asked questions.Nobody knows everything and sometimes there are small ambiguities that prevent us from correctly grasping connections or from deciding on one or the other product. You may also find an answer to your question in the following topics.How are the KNX devices programmed?Many interested parties are quickly startled by the term 'programming', but it's not that difficult at all, because it's not actually programmed with the 'ETS', but assignments and parameterizations are carried out.What does ETS mean for KNX?The term ETS (Engineering Tool Software) means that it is programming software for commissioning the KNX devices. The tool is more of a software for parameterization and basically also suitable for laypersons with an interest in the logic of the KNX.No programming knowledge or programming language is required. If you are interested in the rather simple logical connections of the KNX bus, you are in a position to create a project. Of course, more complex projects require a certain amount of experience. We always recommend having the basic project created by an experienced system integrator. This allows you to easily change important parameters yourself later on, since many things change in the life cycle.Which touch sensor or KNX button should I buy?Well, we can't give a general answer to this question, but we can perhaps provide some impetus for decision-making. KNX push button sensors are available in a variety of designs. The manufacturers offer solutions for every taste. However, you should not only be guided by the optics. In addition to the optics, eibabo® also recommends checking the applications (parameters and functions) provided by the manufacturer for the ETS (Engineering Tool Software). Significant deficits can open up here in the course of a project if the beautiful button were not able to control the necessary actions correctly. Plan exactly which requirements you place on the respective push button sensor and then select a suitable model accordingly. NOTE:ETS is standardized software for commissioning the KNX devices and can be obtained from www.knx.org. With regard to the design, you should also rely on optics that have a positive effect in the long term and not follow every short-term trend, only to realize a few years later that the brightly colored displays and the LEDs for various status messages on the buttons in the wall were a bit too much of a good thing. It makes sense to ensure that displays can be dimmed or configured in different brightness levels and status LEDs can be configured and switched off. A timeless surface design, for example, has simple elegance, looks classy, is durable and has no playful rockers that could quickly gather dust.How do I recognize whether a touch sensor already has a bus connection?Some touch sensors already have a bus connection. If you're not sure, a look at the back will clarify.Image: KNX push button sensor - Jung 4047TSMA touch sensor is equipped with a bus coupling if it has a black and red (or gray and red) terminal for the bus on its back. This 4-wire terminal with plug-in terminal connection serves as a distributor for up to four KNX lines.How do I keep track of the individual functions of complex touch sensors?We would like to encourage you to think: Imagine you come into a room and have to press the small second rocker from the top left on an 8-way pushbutton sensor every day to switch on the basic lighting. It can quickly happen that you accidentally set the pressure point on the adjacent rocker and unfortunately operate the blinds at 11:00 p.m. Not to mention how a guest or child is supposed to cope with it.So it can indeed be a bit difficult to always steer correctly. But: The advantages of the KNX lie in the intelligence of the system, which is implemented by the system integrator based on their experience and your functional requirements. For this reason, you should arrange functions logically or thematically and, if necessary, group them on easy-to-use buttons. If necessary, it is advisable to divide standard applications and detailed circuits into different buttons at different mounting heights.What are default applications? What is the best way to implement this into the system?The first switch box is usually placed on the 1.05m upper edge of the finished floor. At this point you should mount a conventional double button and connect it twice to the bus via a very inexpensive KNX button interface. Of course, you can also mount 2 or 3 double buttons and integrate a 4-way or 6-way KNX button interface. A deep switch box or electronics box is installed as a flush-mounted box in order to be able to place the small button interface behind the double button.Here you save!Combine a KNX button interface with a conventional double button.With the conventional double button, you have more choice in the design of the switch range and, in the event of defects or design changes, you can obtain a lifetime replacement without having to reprogram. You can assign the most important and most frequently used basic lighting to this button or parameterize the button or the button interface with light scene recall. A beautiful flat switch is also very easy to use for guests and children.What is meant by detailed switching on the KNX button?You should mount detailed circuits of the certainly many functions in a room on the 1.60m upper edge of the finished floor and call them up from a room controller or multiple push-button sensor with an optionally integrated room temperature controller (see also our multiple control unit catalogue). A room temperature controller already requires this mounting height for optimal control. At this user-friendly height, you can then carry out all additional controls for additional lighting, blinds, roller shutters, entertainment, etc.Touch sensors wear out very quickly! Is that correct?Like all other technical components that are used more or less every day, tactile sensors and control points in general are subject to a certain amount of wear and tear. However, this is no different than with conventional buttons or switches. It is possible that individual parts that have been in use for a decade are then worn out.Does it make sense to control the heating using touch sensors?Definitely, as a rule, individual room heating controls are also required for KNX installations. In terms of value for money, the combined buttons with room temperature controllers are the best choice, also in terms of user-friendliness.Which manufacturer offers the most beautiful and best KNX buttons?Beauty is in the eye of the beholder, we won't take a position on that. In terms of quality, however, all brands perform very well. There is no such thing as the 'best' touch sensor. Each manufacturer has its individual strengths in terms of applications (parameters and functions). eibabo® offers switches from all brand manufacturers (from ABB, Berker, Busch-Jaeger, Gira, Hager, Jung, MDT, Merten to Siemens). Select KNX push-button sensors in the following versions: KNX push-button sensor, KNX sensor unit, KNX wall sensor, KNX room control unit, KNX push-button sensor module, KNX push-button sensor extension module, KNX push-button 1-fold, KNX push-button 2-fold, KNX push-button 4-fold, KNX push-button 5-way, 6-way KNX button, 8-way KNX button, KNX control panel, KNX button with bus coupler, KNX button module, KNX touch sensor, KNX button sensor plus, KNX glass button.  Catalogue content:In this eibabo® catalogue Installation bus systems > Touch sensor for bus system you will find items from the following product groups:Item overview:Adapter frameBuilding controlBus couplerBus technologyButton couplerCabel CanalColor displayContactlessControl elementGlass buttonGlass sensorGroup button bus couplerLight scene touch sensorsNickel metallicOutdoor areaPendulum fanReceiving sensorRemote controlRemovable fanShutter buttonSingle rockerSplash proofTactile sensorsTemperature sensorTitle blockTouch sensorWireless pushbuttonWireless solutionfrom the following manufacturers:Manufacturer overview catalogue Tactile sensor:ABBAVM ComputersystemeBerkerbticinoBusch JaegerEatonElsnerESYLUXGiraHagerIssendorffJungLingg & JankeMaicoMDTMertenRopagSiemensTheben
Push button complete - The complete pushbutton devices available in the eibabo online shop are simple, extremely robust and easy-to-use switching elements for use in industrial machine and system control. They can be different in color, which makes it possible to clarify their respective function within a control panel. And although the machine control is increasingly being mapped using digital operating elements, mechanical pushbuttons are preferred for certain control functions because they radiate solidity and provide haptic, visual and sometimes also acoustic feedback when operated. This increases security. In addition, they are inexpensive and, in the event of a defect, can be quickly replaced with a new, fully functional component. Most of our complete pushbutton devices are in stock, so they can be shipped quickly and are delivered at short notice. If you wish, you can view the status of the delivery at any time via our tracking system.Catalogue content:In this eibabo® catalogue Low-voltage industrial components > Push button, complete you will find items from the following product groups:Item overview:ActuatorAgreement switchButtonCommand and signaling deviceCommand deviceComplete deviceDouble push buttonDual keyDual push buttonEmergency stop buttonEMERGENCY STOP command deviceEnabling switchFive-way push buttonFront element for push buttonIlluminated pushbuttonIlluminated pushbutton switchKey switchLight switchMushroom buttonMushroom pushbuttonPush buttonPush button, completePushbutton, complete deviceQuad push buttonSelector buttonSingle push buttonSlam switchSwitchfrom the following manufacturers:Manufacturer overview catalogue Push button complete:ABBCaptronCeagConrad ElectronicEaoEatonFarnellRafiRockwellSchlegelSchmersalSchneider ElectricSiemensStahl
Transmitter remote control - The various switch ranges offered by eibabo provide a wide selection of transmitter-remote controls, control elements, push buttons, bus flat push-buttons, handheld radio transmitters as well as radio push-buttons and remote controls with display. Our shop range also includes: window sensors, wireless window transmitters, wireless window handles, wireless mini pushbuttons, wall-mounted radio transmitters, radio transmitters and wireless multifunction sensors. We also provide infrared handheld transmitters, infrared sensors, KNX radio handheld transmitters and IR universal remote controls. ... With a remote control, you can control lights according to a time plan or at random. The combination of wireless receivers and transmitters opens unprecedented opportunities. The radio switches and push buttons look like normal light switches and offer you the opportunity to control your lights wirelessly. Radio systems are also easy to install and provide a flexible solution since you can control several receivers with one and the same key or with a wireless remote control.Catalogue content:In this eibabo® catalogue Domestic switching devices > Transmitter/Remote control for domestic switching devices you will find items from the following product groups:Item overview:ChannelCommand deviceControl elementCord switchFlat buttonInfrared remoteIR remote controlIR wall transmitterManual transmitterMicromodulesRadio button interfaceRadio remote controlRadio transmitterRadio transmitter moduleRadio universal transmitterRadio wall transmitterRadio wall transmitter insertRemote controlRemote control (box)RockerStationTransmitterTransmitter for wireless switching systemTransmitter/Remote control for domestic switching devicesTransmitter/remote control for installation switch programsWall transmitterWall-mounted transmitterWireless sensorfrom the following manufacturers:Manufacturer overview catalogue Transmitter remote control:BerkerBusch JaegerEatonElsecoEltakoESYLUXEVNFinderGrotheIssendorffJungMaicoMertenRademacherSchalkSchneider ElectricSiemensSomfy
Coupler - If you want to connect an application module to the KNX bus in your building automation, you need a bus coupler. Here you can find out which functions a bus coupler can take on and which device is suitable for you and your application. As a specialist center for building automation, the eibabo® shop offers you all the components you need to set up simple and complex installations at top conditions. Our product range extends from sensors and actuators, control units and power supplies to motors and drives.What is a bus coupler?Within conventional electrical installations, the function of a system results from the type of wiring. The use of the KNX bus system makes the functionality significantly more flexible. Here the function of the system is determined by the application (software) and the parameterization of individual KNX participants. KNX participants are application modules such as buttons, switches, actuators, weather stations, motion detectors, shutter actuators and so on. This has clear advantages. If, for example, the requirement changes, the function can be adapted by changing the parameterization. The installation itself remains unchanged. To implement such an installation, a so-called KNX bus line is usually laid in addition to the line for the mains voltage. This carries 30V DC and is used to transmit the signals for switching, controlling, regulating or monitoring between all participants.Image: Jung 2070 U KNX bus couplerA universal interface is required so that the KNX participants can send and receive signals to one another. The KNX bus coupler is this interface between the application modules and the KNX bus. Bus couplers are available as permanently connected combination devices together with application modules or as a separate module for flush-mounting, surface-mounting and installation. With the latter, the function of the bus coupler only results from the plugging in of an application module and its parameterization by the device-specific application.What tasks does a bus coupler take on?The bus coupler is responsible for all tasks that directly affect the KNX system in any way. The bus coupler makes the so-called bus voltage available to the application modules. Nothing works without electricity and many of these modules do not have a separate power supply. With very simple application modules, the bus coupler records their sensor data and actuator functions and processes them in such a way that they are 'understood' by other participants. Finally, the bus coupler takes over the actual processing of the data traffic. The application modules establish the connection to the user. In addition to buttons, motion detectors and controllers, these can also be display panels, motors or signaling devices.The KNX bus coupler with program memoryA KNX bus coupler with program memory consists on the one hand of the transmitter module, which defines the connected medium. On the other hand, there is the bus coupler controller with a microcontroller for organizing the data traffic. The manufacturer's system software is permanently stored there. It cannot be changed by the user. The device-specific application and the information for parameterization are stored in another so-called flash memory or ROM read-only memory. The device receives this during commissioning or when the parameterization is changed via the bus (S mode).Good to knowWhen configuring KNX devices, we differentiate between E-mode and S-mode. In E-mode, the bus coupler is supplied with the application (software) loaded. In S mode, the function of the device is only determined when the application is loaded. Normally, the application (via the ETS) is loaded into the bus coupler.This defines the desired functions of the device, for example:Affiliation to group addresseswhether an actuator should dim or switchwhich dimming speed should be maintainedat which basic brightness it starts and where the end point iswhat happens after a power failure and power recoveryand so forth This data remains stored even in the event of a power failure. Current measured values and switching states are stored in the RAM memory and are lost in the event of a power failure or when the device is reset.The KNX bus coupler without program memoryMemory-intensive functional logic and address extensions, as well as controllers and chipsets, are increasingly being outsourced to the application modules. These bus couplers without program memory consist only of the media-specific transmission module with the digital interface to the application microcontroller. These are only used to manage group addresses and ensure standardized data traffic according to the KNX protocol.How is the interface between the bus coupler and user module structured?The interface to the user module consists of a standardized plug connection with 10 poles. Both the power supply and the data exchange are implemented via this.How do I recognize whether a device already has a bus coupler?You can purchase and install the bus coupler and user module either separately or as a permanently connected complete device. Each KNX device with a red/black bus connection terminal already has a bus coupler. Please note:In the case of series installation devices (REG devices for electrical distribution for mounting on DIN rails), the bus coupler is not visible as an individual device, but is integrated in the device. Examples of this are KNX switching actuators or KNX dimming actuators.Which devices do not have an integrated bus coupler?With push button sensors, you often have to order the bus coupler separately from the push button. The end device (e.g. temperature controller, motion detector or touch sensor) is plugged onto the bus coupler via a multi-pin application interface. However, pushbutton sensors and room controllers (combined pushbuttons with room temperature controllers) including bus couplers are increasingly being supplied. Therefore, pay attention to the item description and prices.Are bus couplers and user modules compatible across manufacturers?As a rule, you have to order the bus coupler manufacturer-specifically to match the application modules. The device-specific application program must also be from the same provider. For example, you cannot operate a Gira KNX push button sensor with a Hager KNX bus coupler.eibabo® has all KNX bus couplers from the relevant KNX brand manufacturers in its portfolio. These include in particular ABB, Berker, Busch-Jaeger, Gira, Hager, Jung, Lingg & Janke, Merten, Siemens and Theben.  Catalogue content:In this eibabo® catalogue Installation bus systems > Bus coupler for bus system you will find items from the following product groups:Item overview:Bus couplerBus coupler moduleBus technologyButton couplerControl panelControl unitHome electronicsInterfaceInterface converterLight controlPresence detectorRadio systemSocket coverTactile sensorTransducerWind controlfrom the following manufacturers:Manufacturer overview catalogue Coupler:ABBBerkerBusch JaegerEltakoGiraIssendorffJungLingg & JankeSiemensSteinelWarema
Push button connector - Most products in this catalog are push buttons with KNX bus coupler. They look like a normal standard switch or push button, but are KNX push buttons, which are parameterized by means of the ETS and are significantly less expensive than the typical KNX push button. The KNX push buttons BA are connected to the KNX system via integrated bus coupler. The push buttons with bus couplers are available as single, or double type and with middle position, which doubles the range of functions due to upper and lower actuation points. Generally, all touch surfaces can be given separate functions and often provide status LEDs, an advantage over the alternative KNX push button interface with conventional single or double switches. The BA push buttons are also available as splash-proof types and suitable, depending on the manufacturer?s instructions for surface installation in wet rooms. Often BA push buttons also have an integrated temperature sensor. Please refer to the eibabo manufacturer?s descriptions. Eibabo offers KNX push-button bus couplers made by Berker, Busch-Jaeger, Gira, Hager, Jung, Merten and Siemens. The eibabo catalog also offers conventional push buttons couplers or other bus systems, such as communication interfaces, contact input modules, switch gateways, radio transmitter modules, switch interfaces and many more.Catalogue content:In this eibabo® catalogue Installation bus systems > Touch sensor connector for bus system you will find items from the following product groups:Item overview:Building controlBuilding system technologyBus couplerBus system button couplingButton couplerButton couplingButton positionFlush mount couplerHome controlMiddle positionNetworkingRoom temperature controllerRoom thermostatThermostatTouch sensor connector for bus systemValve adapterfrom the following manufacturers:Manufacturer overview catalogue Push button connector:Busch JaegerEltakoJungMerten
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Eaton - M22-D-G-X1/KC11/I - Pushbutton 1S1Ö,flat,gn,assembly - Control device combination IP67/IP69K M22-D-G-X1/KC11/I
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