Siemens ET 200pro - Page 360

Digital electronic modules
14.6 Digital electronic module 8 DO DC 24V/0.5A (6ES7142-4BF00-0AA0)
ET 200pro distributed I/O system
360 Operating Instructions, 03/2013, A5E00335544-08
Technical specifications
Switching frequency
• With resistive load
100 Hz
• With inductive load
0.5 Hz
• With lamp load
1 Hz
Load resistance range
• Low limit
48 Ω
• High limit
4 kΩ
Status, interrupts, diagnostics
Status display
Green LED (per channel)
Interrupts
• Diagnostic interrupt
Configurable
Diagnostic functions
• Group error display
Red LED (SF)
• Channel error display
No
• Diagnostic information can be read
Yes
Monitoring for
• Short-circuit
Yes
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