Siemens ET 200pro Operating Instructions Manual page 368

Digital electronic modules
14.7 Digital electronic module 4 DI / 4 DO DC 24V/0.5A (6ES7143-4BF50-0AA0)
Technical specifications
Reaction to CPU/master STOP
•
Isolation
Isolation tested
Electrical isolation
•
•
•
•
Permitted potential difference
•
368
Configurable
Between channels and backplane bus
Between backplane bus and all other circuit
elements
Between channels and electronics power
supply
Between channels
Between different electric circuits
Yes (outputs at zero current and zero voltage,
hold last value)
500 V DC
Yes
Yes
Yes
No
75 V DC, 60 V AC
ET 200pro distributed I/O system
Operating Instructions, 03/2013, A5E00335544-08