Search results for Issendorff

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Issendorff - The eibabo® shops from eibmarkt® are leading providers of smart home solutions and offer thousands of high-quality products to supply customers from all over the world with manufacturer-independent automation technology. One of these manufacturers is Issendorff KG. This is a company that was founded in 1986 by Dipl.-Ing. Eberhard Issendorff was founded as Issendorff Mikroelektronik GmbH based in Hanover. In the first few years, the focus was on the computer technology that was popular in general society and the development of PC hardware and software. An essential part of the range of services consisted in setting up and selling networks. The skills developed from this later led to the concept of the Local Control Network (LCN), a manufacturer-bound building automation system for residential and functional buildings. Well-known references for the Local Control Network are, for example, the Lausitzring Formula 1 race track, the DB Cargo Center 1+2 and the Main Tower in Frankfurt/Main. Today, Issendorff is at home in Sarstedt in Lower Saxony and is a medium-sized company specializing in building management technology and intelligent controls. The special thing is that all of its hardware and software products are developed in-house. The product range consists of components such as switching and dimming modules, buttons and keypads, remote controls, actuators, couplers, sensors, relays, adapters, power supplies, cables, transponders, actuators, weather stations, as well as software and accessories. The eibabo® technology store not only offers you this extensive range at top conditions, but also ships the items quickly and reliably worldwide. Many payment options and Trusted Shops buyer protection ensure security when shopping.

Found in shop categories: 9

Switching relays - How does a relay work? What different relays are there? Where are relays typically used? Which relay is right for your project? Learn more about switching and controlling circuits here. Switching relays are used in many different applications, for example in automated factories, in vehicles and in household appliances. The switching relays offered by eibabo® are high quality, inexpensive, versatile, reliable and universally applicable. The best-known manufacturers in our range are Wago, Schneider Electric, Bircher, Finder, Grothe, Hima, Issendorf, Metz Connect, Phoenix Contact, Siemens, Tele Hase and Omron.What are switching relays?A switching relay is an electromechanical device used to control electrical circuits. It consists of one or more electrical contacts that are controlled by one or more magnetic coils. When the solenoid is activated, the contacts close and current flows. When the solenoid is de-energized, the contacts open and current does not flow.Image: WAGO 788-312 socket with relayWhat should be considered when buying a switching relay?In view of the enormously large selection and the numerous specifications, choosing the right switching relay is not easy. Before you decide on a specific model, you should plan your switching device exactly and define the exact task of the relay. This results in the type of switching relay required. Now select a suitable relay for your project based on the following considerations:Is the installation fixed or moveable? Switching relays for mobile equipment should be able to withstand vibration and shock.What kind of contacts should the relay have? How many? What is the switching current and the switching voltage?Which current magnitudes and voltage magnitudes occur? Consider the nominal voltage of the coil, the coil current, the dropout voltage and pick-up voltage of the coil and resistances.Which response times and release times should not be exceeded?What is the expected switching frequency?What requirements do I place on the service life of the mechanical components?In which environment and in which temperature range is the relay used? How does a switching relay work?Depending on the design, relays can have a simple or complex structure. However, the basic functional principle is the same. The heart of a relay is the coil with an iron core. When current flows through the coil, an electric magnetic field builds up. A ferromagnetic armature responds and is attracted. This movement connects two contact springs together. The so-called working contacts in the relay close (normally open).Good to knowSwitching relays have electrical ratings for the coil and internal switch contacts. The coil voltage is the voltage required for the coil to operate properly. The circuit voltage rating represents the maximum rating of the switch contacts and should not be exceeded.In some designs, so-called break contacts are opened when the magnetic field is created. These are called openers. There are combinations of openers and closers, so-called changeover contacts or changeover contacts. As soon as the coil no longer generates a magnetic field, the armature is returned to its initial position by spring force. The working contacts are no longer closed.In addition, there are numerous other relay types, some for special purposes. As a rule, these relays differ in the functional principle, in structure and size, in the switching capacity and in the contacts. A few examples briefly explained:For example, thermal relays use a bimetallic strip that bends when heated, opening or closing the contacts. Thermal relays are commonly used in circuit breakers.Photoelectric relays respond to light pulses and open or close the contacts accordingly. These are used, for example, in photo flash devices and surveillance systems.In static relays there are no moving contacts. The switching action is triggered by thermionic valves, transistors or amplifiers. This list could be continued, for example with time delay relays, solid state relays, coupling relays, distance relays, differential relays, undervoltage relays or overvoltage relays. There are separate categories for many of these special shapes here in the eibabo® shop. Please use our intelligent search.What are switching relays used for?Relays allow a low current circuit to control or switch one or more higher current circuits. Switching relays in a variety of designs are required in electrical distribution and electrical installation. The switching relays from our shop can be used for all interface applications in demanding control systems. This allows you to connect highly sensitive and almost powerless controls of a PLC, a control system or a process computer with the power level of a machine or another connected consumer.What are the advantages and disadvantages of switching relays compared to other switching mechanisms?Switching relays offer the following advantages:Switching relays are inexpensive.The components are robust and tolerate voltage peaks and current peaks.Switching relays provide potential-free isolation from the load circuit.The heat development is low. Cooling is not necessary.Switching relays switch both very low signals and high-frequency power.In many cases, the current switching status can be seen with the naked eye.Thinner gauge wire can be used to connect the control switch to the relay.Relays make it possible to direct current to a device via the shortest path. This reduces voltage losses. TIP:Semiconductors, semiconductor circuits or transistors are used as an alternative to relays. These offer an extremely fast response time. However, switching relays also have disadvantages:The mechanical components are subject to a certain amount of wear.Switching relays react sensitively to shocks and mechanical loads.The switching actions are audible.The response times and fall times are very long compared to semiconductors.The insulating capacity often depends on the environmental conditions. Why are protective devices used on some switching relays?If a relay is switched off and the coil suddenly loses current, a large voltage spike can occur. For this reason, protective mechanisms such as resistors or diodes are switched across the coil of the relay. These reduce or prevent the risk of these voltage peaks flowing back into the control circuit and damaging sensitive components. Resistors last longer, diodes provide more efficient protection against voltage spikes. You can judge what kind of protection is required based on the sensitivity of your components in the connected circuit.Why doesn't my switching relay switch off anymore?When choosing the right relay, you should pay attention to the loads that occur. Current peaks when switching can cause the contacts to 'stick' or 'weld' together. If the relay is not designed for the loads that occur, the surfaces of the contact springs will change over time. This can result in the contacts no longer opening when the relay is de-energized. Conversely, loads that are too low can also lead to a similar effect, since the self-cleaning process no longer takes place. Catalogue content:In this eibabo® catalogue Relays > Switching relay you will find items from the following product groups:Item overview:AC contactorBracket mountBuilt-in relayChangeover relayCloserComplete relayCoupling moduleDC voltage relayInrush voltageInstallation relayManual control levelMiniature relayMounting clipPlug-in relayPower relayRailway relayRelay couplerRelay interface moduleRelay socketRelay switchRelay terminalRemote switching relaySingle relaySwitch moduleToggle relayTransfer blocksUniversal relayWindow drivesfrom the following manufacturers:Manufacturer overview catalogue Switching relays:ABBAlbrightBircherComatDoldFinderGlen DimplexGrotheHimaIndexaLegrand SEKOLützeMetzMurrelektronikOmronPhoenixRockwellSchalkSchneider ElectricSHCSiemensTeleTTIWAGOWeidmüllerWieland

Combi i/o device - Combi IO devices are essential components of complex building automation. Find out here how to use the high-quality IO devices and what options there are for your installation. In any case, these devices increase the efficiency of your installation. Learn more about these modules and why it is so important for them to work properly.What is an IO device?An IO device - also known as an input-output module - enables communication between a computer system and a peripheral device. This type of processor communication between devices increases a computer's capabilities. The operating system is enabled to connect to the outside world. Communication and interaction takes place through sending and receiving information. Possible input information are, for example, signals from user inputs or binary inputs. Output signals are sent by the system or converted into actions as manipulated variables by actuators. With the use of a multifunctional input module, the work can be carried out more efficiently and accurately. Typical IO devices include:KNX universal interfacesKNX universal controllerKNX switching actuators with integrated binary inputsKNX button interfaces with outputs for LED controlspecial KNX room controller with a variety of special functions TIP:An IO device can interface with a large number of bus protocols, for example PC Cards, USB, PCI, VMEbus and FireWire. In this eibabo® category you will find, for example, KNX devices with multiple functions from top manufacturers such as ABB, Berker, Busch-Jaeger, Gira, Hager, Issendorf, Jung, Lingg & Janke, MDT, Merten, Siemens and Theben.What are the most important functions of an IO device?An IO device is an essential link in the control chain and closes the gap between your computer system and the external devices. It can perform multiple functions including:Communication between the devices in the systemAn IO device assumes several functions within the scope of device communication. This includes the transmission of status messages, the sending of commands and the transmission of information.communication to the processorFull communication with the processor includes recognizing its own IP address, decoding and accepting commands, and reporting status updates.error managementAn IO device detects different types of problems that can occur between the computer system and a peripheral device. These can be mechanical problems, such as a used printer cartridge or errors that occur during data transfer.Image: ABB IO actuator 8-fold IO/S8.6.1.1timingIn order to be able to correctly manage the flow of information between the system and the external device as part of time management, the IO device accesses the internal resources of a computer.data bufferingOne of the most important functions of an IO device is managing the transmission speed between memory, processor and other external devices.How and where can IO devices be mounted?There are many options for mounting IO devices and they depend on your existing installation. Choose from the following options:Panel mounting - the unit is bolted to a chassis or attached to a panelRack mounting - the device fits into a standard housing, such as a 19-inch rack or similarInstallation on DIN rails - the device is attached to one of the common DIN rails or G-railsfree installation - the device has a stable housing and is set up in a freely selectable placePrinted circuit board assembly - the device plugs directly into computers or is attached to the case What advantages do IO devices offer?Depending on the IO device involved, each can play a significant role within an effective operating system. In a programmable logic controller (PLC) and other operating systems, these devices offer the following advantages:a compact design saves space in almost any assembly environmentthe installation can be done remotelyHardware and associated costs can be savedthe wiring and cable setup is simple and clear What are the properties of the inputs and outputs on the IO devices?As a rule, IO devices offer digital channels, analog channels or a combination of both variants. The digital inputs and outputs handle low-level on-off signals. Analog inputs recognize signals such as current, voltage or frequency. Devices with combined channels often process the signals using analog-to-digital converters.The input channels of a device are differentiated as single-ended (SE) or differential (DI). Single-ended inputs consist of two contacts, one of which carries a voltage. The other is connected to ground. Such installation is simpler and cheaper than differential signaling. However, the inductance of the signal line and the difference in ground voltage between the transmitter and receiver will cause noise interference. Differential communication uses two mutual signals on two paired contacts. The difference between the two signals represents the meaningful signal value. Common-mode rejection prevents noise interference. Differential inputs respond to the voltage difference between the two contacts. These are therefore suitable for low-voltage, long-distance and high-resolution applications. The type of input channels your device has can usually be found in the product description. For example, if you have a 16SE-8DI device, it offers 16 single-ended and 8 differential inputs.isolationCertain areas of the electrical system can be isolated from others. This avoids unwanted current flow or signal flow between the areas.For isolation, please distinguish between channel-to-channel isolation, isolated analog input, isolated analog output, isolated digital input, and isolated digital output. Catalogue content:In this eibabo® catalogue Installation bus systems > I/O device for bus system you will find items from the following product groups:Item overview:Blind controlCentralAccessControl deviceControl elementControl panelControl unitDrive elementDriver moduleEngine control unitHeating actuatorHome serverInput moduleInterfaceJunction boxLight actuatorMixing moduleMulti-controllerOutdoor areaRadio systemSecurity adapterShutter actuatorSmartphoneSun protection actuatorSwitching actuatorSwitching outputUniversal interfaceWireless solutionWireless switching outputfrom the following manufacturers:Manufacturer overview catalogue Combi i/o device:ABBBusch JaegerGiraHagerLingg & JankeMetzSiedleSomfyWaremaWindowMaster

Light control unit - In this eibabo category you will find light control units of various automation systems (radio, LCN, KNX). The most common light control units in this catalog are for the KNX bus system. The light control units in KNX are usually dimming actuators for electronic ballasts that means for connecting devices with 1-10 V interface to the KNX bus system. Some explanation: A ballast unit is required for operating a gas discharge lamp, such as a fluorescent lamp (fluorescent tube). Electronic ballasts (ECG) operate at a high frequency ( eibabo catalogue Smart Home Interface-media gateway in eibabo catalog Smart Home. The advantage compared with the 1-10 V type is that addressing is possible and wiring by groups is not necessary. Further advantages are a direct response, status messages, scene memory and a variety of dimming options with DALI ballast. In this eibabo category you will find, for example, KNX dimming actuators for electronic control gear (ECG) with 1-10V interface, wireless controllers for electronic ballasts, controllers master / slave, KNX switching / dimming actuators, KNX control actuators, sensor modules, KNX control units, KNX dimming signal converters, switching and dimming modules, KNX light controls, KNX control actuators, KNX light controller modules, KNX controller CHROMOFLEX of brands ABB, Busch-Jäger, Eaton, Eltako, Gira, Hager, Issendorf, Lingg & Janke, Merten, MDT, Siemens and Theben for various automation systems.Catalogue content:In this eibabo® catalogue Installation bus systems > Light control unit for bus system you will find items from the following product groups:Item overview:ActuatorBrightness controlBuilding controlBuilding system technologyBus systemBus system lighting control unitBus technologyControl unitControllersDimmerDimming actuatorEIBExpansion moduleFieldbus actuatorFunction moduleLight controlLight control unit for bus systemLight controllerModuleNetworkingNikobusOutput modulePower dimmerRadio control unitSwitch dimming actuatorSwitch moduleSwitching actuatorWireless socket adapterfrom the following manufacturers:Manufacturer overview catalogue Light control unit:ABBBarthelmeBusch JaegerGiraIssendorffJungMDTMertenRopagSchneider ElectricSiemensThebenZumtobel

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

Timer - A conventional time switch usually switches an electrical relay contact at set times. This is used to realize specific control and automation functions. However, in this eibabo catalog you will find special timers for various automation bus systems, such as radio bus or KNX bus system. KNX time switches, generally, do not dispose of direct switching contacts, but provide the status in digital form as telegrams on the respective bus system or by radio. Depending on the manufacturer, the KNX time switches have diversified but also different characteristics. Most KNX switches feature a day program, week program and year program. Some KNX timers offer a connection option for a DCF or GPS antenna. An automatic summer / winter changeover as well as astro programs. A definition of the geographical location of the building extends the range of options. Switching functions with output of dimming values, switching ON / OFF or UP / DOWN for blinds or shutters, heating control for comfort / standby or night mode, scene release as well as master / slave function are other possible options of KNX time switches. Updating the date and time at KNX displays or other KNX devices in the system by sending the information to the bus are further advantages. Some manufacturers also offer holiday databases, countdown timers and operating hour counters, as well as random programs for simple presence simulations in case of absence to deter potential burglars. A standby in case of power failure is also often standard. What is different is the way to get started. Some manufacturers offer the possibility of direct commissioning of times at the display, programming keys or a separate add-on software or programming solely via the ETS. One should also consider whether another KNX device, which already contains timer programs, is planned in the system, for example KNX weather stations with astro function and GPS / DCF, KNX visualizations (KNX server) KNX displays or complex KNX control and display panels. eibabo provides KNX time switches, KNX time transmitters, wireless timers, KNX year timers, KNX radio switches, KNX week timers, KNX radio blind switches, KNX synchronization timers, digital time switches as well as KNX UP timers of all leading manufacturers, such as ABB, Berker, Busch-Jaeger, Eltako, Hager, Issendorf, Jung,Legrand, MDT, Merten, Peha, Siemens, Theben or Warema.Catalogue content:In this eibabo® catalogue Installation bus systems > Time switch for bus system you will find items from the following product groups:Item overview:Application moduleAstro timerBus systemBus system timerColor displayDistribution timerEIBEnergy efficientLight controlLighting controlMounting rail timerNikobusProgram clockProject clockRadio timerTime switchTime switch for bus systemTimerTimer clockTimer moduleTimersWeek clockWeekly timerYear time switchYear timerfrom the following manufacturers:Manufacturer overview catalogue Timer:ABBBerkerBusch JaegerEltakoHagerMDTMertenSomfyTheben

Smart Home - Smart Home is a general term for automation solutions in residential buildings designed to create added value for the user by increasing the quality of living and quality of life. A wide variety of systems and installation procedures are used. Only a few of them are standardized worldwide, e.g. the KNX®, unfortunately most are stand-alone solutions. The devices used for this purpose ought to be compatible among themselves and among manufacturers in order to implement convenience functions, safety functions and energy-saving functions. Human nature is ill-equipped to process the future information overload and extreme rapidity of changes. The human body needs to slow down to be able to consciously perceive its environment and to process and store experiences. This also presents future challenges for manufacturers and service providers of smart home systems, namely to provide relieve to human beings, instead of burdening them with information and instructions. It is very difficult to keep up with the number of automation solutions in the Smart Home field, and the number of actually totally senseless applications is constantly increasing. The consumer can hardly even recognize which hardware and application is smart and which isn't, as nearly everything is advertised as being ''smart'' without actually being so. Who really needs a toothbrush that tells you whether you've brushed your upper left row of teeth long enough, an app-controlled toilet flush or a washing machine that reorders the washing detergent. Applications are only smart if they actually provide the user with practical added value. Studies have shown that most users (over 50%) would like to have a smart heating control, followed by a remote-control window/shutter/rolling shutter control and automated lighting. Of course, the future advances at a rapid speed, and today's standards may already be obsolete 10 years from now and might be replaced by disruptive technologies. The heavy automation of processes and routines, pressure towards efficiency due to globalization, along with massive digitalization in all areas of life are the heralds of a new future. Robot technology and androids will be a ubiquitous part of all our lives in less than 20 years. There are already efforts to optimize the human brain to withstand the future?s heavily increasing challenges of the digital world. Normal life and work routines as they largely exist today will change significantly. There is a substantial future in store for the smart home ? in particular the KNX smart home ? in the private domain, which is why anyone who is planning to build or is currently building a home ought to be aware of the future requirements and at least make preparations now for relevant KNX installations. In our main Smart Home catalogues at eibabo®, we carry a vast selection of products from ABB, Berker, Busch Jaeger, Eaton Moeller, EIBMARKT, ELSNER, EMU-ELEKTRONIK, ESYLUX, Issendorf, GIRA, Hager, Jung, Legrand, Lingg & Janke, MDT, Merten, Siemens, SOMFY, Steinel, THEBEN, Thermokon and Warema available for private and commercial customers at top prices with worldwide delivery.

Power supply - Find out here how to supply your KNX bus system with power. What power requirements do the individual KNX participants have? Which items do we recommend? This eibabo catalog contains power supplies and system devices for various automation systems, such as LCN, radio bus, KNX and many other systems.How do I determine the right KNX power supply for my installation?The most common power supplies in this catalog are for the KNX bus system. To determine the required power supply, you should first look at the structure of a KNX network. A distinction is made here between segments that are divided into a specific hierarchy. Imagine a tree whose trunk splits into branches. Twigs come off the branches. The branches represent the smallest 'unit' and are referred to as lines in the KNX network. Each line consists of the power supply, a KNX bus line and the participants. A main line would be the branch that connects multiple lines into an area. The area line represents the trunk that connects multiple areas. This structure makes sense for larger networks or if a division into several segments is recommended due to the structural conditions of a building.In addition to the power supply for the participants, the bus itself also requires a power supply of 24V nominal voltage. This is transmitted along with the data signals on the bus line. Depending on the manufacturer, the corresponding power supplies deliver 28V to 31V slightly more than the nominal voltage. This creates a buffer, for example for possible line losses. KNX bus participants still work stably up to 21V. The voltage difference is used to compensate for voltage drops in the bus line or at the contact resistances. A line can theoretically include up to 64 devices and provides a maximum current of 640mA at a voltage of 28V to 31V. This statement is based on the assumption that each KNX participant is allowed a maximum of 10mA from the bus voltage. The load capacity of the strongest power supply of 640mA continuous current must not be exceeded.Please plan in reserveWhen dimensioning your lines, allow at least 15% buffer for later extensions. A 640mA power supply therefore corresponds to around 54 devices.Smaller KNX power supplies are also available for fewer participants per line. If you know in advance that a line will never have more than a maximum of 32 subscribers (27 with buffer), you can choose a 320mA power supply. The same applies to a line with a maximum of 16 devices (14 with buffer). A 160mA power supply is sufficient here. In addition, there are larger 29V-30V power supplies with current limiters 640mA and KNX chokes separately. A KNX power supply always contains a KNX choke.The power requirement of a KNX participant is usually standardized. This should not normally exceed 200mW. 150mW for power supply of the microprocessor and 50mW for the bus terminal. There are many KNX devices that do not require this power reference. There are also KNX participants with higher requirements, for example KNX actuators, KNX room controllers or KNX displays. Please take this into account when sizing your lines. Pay attention to possible voltage drops, because the devices do not draw a certain current from the bus, but a certain power. If the maximum current is expected to be exceeded, you should integrate fewer than 64 participants in this line.How does the KNX power supply work?In the KNX power supply, the power supply always provides direct current (DC) at the output. The difference between the designation transformer and power supply is essentially that a classic transformer always outputs alternating current (AC) and also only works with alternating current at the input. Depending on the manufacturer, the power supplies generate a supply voltage of 28V to 31V. When the bus is idle, the supply voltage of the power pack is present. This state corresponds to a logical '1'. The logical '0' is generated by an alternating voltage. In order to send the '0', the sending KNX device reduces the voltage by around 5V for a short time. This results in an immediate compensating impulse, which comes from a choke integrated in the power pack. The KNX line is thus decoupled from the associated KNX power supply by the choke. This prevents short circuits in the data telegrams caused by the power pack. The voltage change is necessary so that the recipient can use the informationAre there KNX power supplies for more than 64 participants per line?In the eibabo® technology store you will find KNX power supplies up to 1280mA. However, it is not possible to set up a line with 128 participants. The power is distributed at two different outputs. There is thus the classic choked output with 640mA for the KNX bus as well as another unchoked output. Participants can be supplied with an auxiliary voltage via this output, for example a heatable rain sensor. Alternatively, you can use it to set up a second line. An additional choke is required for this.Image: Siemens 5WG11525-1AB22 KNX power supplyCan I monitor the utilization of a power supply?If you want to check whether a power supply is reaching its limits in use, we recommend a device with an integrated diagnostic function. This allows device temperature, output current, output voltage, bus traffic and other current measured values to be sent via KNX. This enables troubleshooting or general monitoring.What do I need a KNX emergency power supply for?Whether you need a KNX emergency power supply depends on how high you assess the risk of a power failure and its consequences for your system. The emergency power supply is used to buffer the bus voltage. An external battery is connected to the device. This provides a voltage of 12V DC and ensures the bus voltage for some time. The integrated charging electronics of the KNX emergency power supply recharges the battery or maintains the state of charge. You can record the operating states (mains voltage, error warning, battery operation) using a binary input, for example. As a rule, KNX emergency power supplies are mounted on the DIN rail. Both the KNX emergency power supplies and the required batteries are available here in the eibabo® shop at reasonable prices.What does PoE power supply mean?The abbreviation PoE stands for 'Power over Ethernet'. This allows you to transmit the electrical power required for the operation of the individual participants via the data lines of the network cable. You do not need a separate power cable. TIP:With a PoE power supply, the effort involved in cabling wired Ethernet networks is reduced. With this technology, the electrical voltage from the power supply is fed into the data cable. On the participant's side, this is diverted out again. To avoid interference, the participant should be PoE compatible. In this way, it can cleanly separate the incoming supply voltage from the data signal. If the end device is not PoE-compatible, the additional installation of a passive PoE splitter is necessary. The splitter takes the supply voltage from the data cable and feeds it via a separate line to the power input of the end device.Can I get classic 12V and 24V power supplies for conventional applications from eibabo®?Our classic power packs for the top-hat rail can be regulated depending on the model and are suitable for the power supply of external equipment. In addition, it is possible to use these for other equipment. Using a choke and a component for current limitation each, specific power supply units can also be used to supply one or more KNX lines. In addition to the installation technology, we offer you classic power supplies for universal use.What power supplies and manufacturers would you recommend?Basically, we recommend that you choose a device that suits your needs. Voltage supplies / power packs are standardized and are subject to legal requirements and regulations. If the technical parameters are completely identical, a price comparison between different manufacturers is of course worthwhile. In this catalog you will find KNX power supplies, KNX power supplies, KNX commissioning power supplies, KNX emergency power supplies, PoE power supplies, bus power supplies, IP power supplies PoE, battery modules for KNX power supplies, 12V power supplies and 24V power supplies for conventional applications. Rely on the excellent quality from the following leading manufacturers of smart home automation: ABB, Berker, Busch-Jaeger, EASYLUX, EIBMARKT, Gira, Hager, Issendorf, Jung, Lingg & Janke, MDT, Merten, Siemens, Somfy, Theben and Warema . Catalogue content:In this eibabo® catalogue Installation bus systems > Power supply for bus system you will find items from the following product groups:Item overview:Audio electronicsBuilding system technologyBuilt-in power supplyBus supplyBus technologyBus voltage supplyCareControl transformerDC power supplyDIN railsMoellerfunkMotion detectorPower suppliesPower supplyPower supply unitRadio systemSafety power supplySafety transformerSwitching power supplySystem deviceSystem power supplySystem voltagefrom the following manufacturers:Manufacturer overview catalogue Power supply:ABBBusch JaegerEatonEIBMARKTElsnerElsoESYLUXGiraHagerIssendorffJungLegrand SEKOLingg & JankeMDTMean WellMertenPehaSchneider ElectricSiemensSomfyThebenWielandZumtobel

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