The self-supervision signal output operates on the closed-circuit principle.
• Normal conditions with empty application configuration
• DIO2001 pins 16 and 17 are closed, pins 16 and 18 are open.
• Normal conditions with application configuration
• DIO2001 pins 16 and 17 are open, pins 16 and 18 are closed.
• USB powered with or without application configuration
• DIO2001 pins 16 and 18 are closed, pins 16 and 17 are open.
GUID-F300611C-FD28-484C-9BD8-3A1EF067D942 V1 EN-US
Figure 47: Output contact
The internal fault code indicates the type of internal relay fault. When a fault
appears, the code must be recorded so that it can be reported to ABB customer
service.
The display code format for internal faults is aa.bb.cc.ddd.ee.
• aa: Reserved for future
• bb: Error domain
• 1: HW error
• 2: Runtime error
• 3: Communication error
• cc: Component
• Range 0...11
• ddd: Error category
• ee: Offset
Section 7 2NGA000823 A
Troubleshooting
60 REX610
Operation Manual
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