Technical data
EL1904
Connection technology
1-/2-wire
Number of inputs
4
Protocol
TwinSAFE/Safety over EtherCAT
Response time
typ. 4 ms (read input/write to E-bus)
Fault response time
? watchdog time (parameterizable)
Current consumption power contacts
see documentation
Current consumption E-bus
typ. 200 mA
Installation position
horizontal
Safety standard
DIN EN ISO 13849-1:2008 (Cat. 4, PL e) and EN 61508:2010 (SIL 3)
Weight
approx. 50 g
IP protection class
IP 20
Ex marking
II 3 G Ex nA IIC T4 Gc
