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EJ1957
EJ19xx and EJ29xx
30
Version: 1.2.0
8
EJ1957
8.1
Overview
Fig. 13: EJ1957 – TwinSAFE module with 8 digital fail-safe inputs and 4 digital fail-safe outputs
The EJ1957 TwinSAFE module is a digital input and output terminal for sensors with potential-free contacts
for 24 V
DC
. The plug-in module has 8 fail-safe inputs with 8 clock outputs and 4 fail-safe outputs and meets
the requirements of IEC 61508:2010 SIL 3 and EN ISO 13849-1:2015 PL e.
The EJ module is parameterized via four input modules and one output module.
8.2
Insertion of the EJ1957
An EJ1957 is inserted in exactly the same way as any other Beckhoff EtherCAT module. In the list, open
Safety Terminals
and select the EJ1957 module.