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Vesta Building - 5th floor
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1101 CN Amsterdam
The Netherlands
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Kuhnke FIO Safety IO
SDI4-SDO2

694 430 00

Kuhnkes FIO Safety SDI4/SDO2 is a safety I/O terminal featuring four safe digital input channels and two safe digital output channels. This expansion module from Kuhnke's FIO range easily integrates in any EtherCAT® network. Four inputs pick up sensor readings via floating 24 VDC contacts while two outputs send up to 2 A of current per channel to 24 VDC actuators. In case the EtherCAT terminal detects a fault it changes to a safe state (fail safe). The module meets the requirements of IEC 61508 SIL3 and DIN EN ISO 13849 PL e.

Supported safety functions

4 x emergency stop, or

4 x contact sensor, or

2 x light grid, or

1 x two-handed operation and 2 autonomous output functions

Technical details

Description Value
Function functional safety IO 
Model Control cabinet module 
Digital I/Os (integrated) safe inputs: 4 SDI / safe outputs: 2 SDO 2A (OSSD) 
Product status Standard product 
Field bus interfaces EtherCAT / FSoE 
Type of connection female plug with PUSH IN spring connection 
Status indication LEDs allocated to the point of termination 
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 (-20% / +25%) VDC 
Operating temperature 0 ... +55 
Immunity Zone B according to EN 61131-8 
Certifications CE, UL