Siemens ET 200pro - Page 368

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