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Instabus EIB: Instabus EIB (Compact Unit)

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Instabus EIB (Compact Unit)

Product Details

Instabus EIB (Compact Unit)

With the instabus EIB, an intelligent installation system has been developed that meets the requirements for better flexibility, economy and ecological compatibility in building system techniques. The costs involved in preparing a building system installation are considerable reduced by software-supported project and installation planning. All control elements (e.g. switches) in an instabus EIB system, are identified as sensors which are connected to the system by a two-wire line (24V) isolated from the mains supply network that carries the so-called data telegram. The control signals are fed on the actuators (e.g. contactors or lamps). The bus is split into groups of lines, whereby the bus management functions in "multi-master" mode (signals on the bus are fed to all devices connected). In order that one particular actuator can be caused to react, each actuator/sensor must have a unique identification (physical address). Later modification or additions to the system, are effected by simply changing or adding the address in the management software. A prominent feature is the possibility of combining components from different manufacturers in one system. In such a case, when ordering the software, the relevant data base must also be requested. The LUCAS-NÜLLE training system EIT 8 for student exercises, is a compact equipment, using components manufactured by the Siemens company and incorporates the following components:

  • Voltage supply for the bus system (24V DC, 320mA) with integrated RS232 interface
  • Indicator for correct phase coupling, to the mains supply
  • Four-fold buttons for the functions On/Off and dimmer action
  • Two switches
  • Binary input, 4-fold
  • Binary output, 4-fold
  • Room simulation with 6 lamps and overlay masks for different building arrangements
  • Top-hat (DIN) rails for the bus signals, and terminal blocks for connecting extra, commercially available components

EIT 8 Lighting Circuits with the instabus EIB

  • Planning a series switching circuit
  • Operating a series switching circuit
  • Re-programming a series switching circuit
  • Adding an extra conventional switch
  • Anwendungsschaltungen with the instabus EIB


Powernet EIB-Board

SELKA GmbH, Hamburg
Grindelallee 188, 20144 Hamburg / Germany
Tel.: + 49 (0) 40 343453 |  Fax: +49 (0) 40 63657075
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