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Vesta Building - 5th floor
Herikerbergweg 213
1101 CN Amsterdam
The Netherlands
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Kuhnke FIO
Bus Coupler 3A

694 400 00

Kuhnke's FIO is a system of I/O modules for interconnecting the process signals in an EtherCAT network. It consists of the bus coupler and a range of I/O modules. The bus coupler converts the physical transfer technology (twisted pair) to LVDS (E-bus) and generates the system voltages required by the LVDS modules. The standard 100 Base Tx lines used for office network communications connect to the one side, the I/O modules for the process signals connect to the other. This is how the EtherCAT protocol is retained right through to the last I/O module. At the end of the modular unit, the feed and return loops are terminated automatically.

  • 2 x RJ45 socket
  • Status display via LEDs
  • Electronics supply for FIO expansion modules 3 A

Technical details

Description Value
Function communication 
Model Control cabinet modul 
Product status Standard product 
Field bus interfaces EtherCAT 
Type of connection Spring-assisted connector 
Status indication LED, EtherCAT Status 
Housing material Aluminium frame, plastic housing 
Dimensions (W x H x D) 25 x 120 x 90 mm 
IP-Protection Class IP 20 
Supply voltage 24 V DC (-15% ... +20%) 
Operating temperature 0 ... +55°C 
Immunity Zone B according to EN 61131-2 
Certifications CE, UL