I/O Errors - Allen-Bradley SLC 500 Series Reference Manual

I/O Errors

ERROR CODES: The characters xx in the following codes represent the slot
number, in hexadecimal. If the exact slot cannot be determined, the characters
xx become 03 for fixed controllers and 1F for modular controllers. Refer to
the table below.
Table 16.5 Slot Numbers
Slot xx Slot xx
(1)
0 00 8 08
1 01 9 09
2 02 10 0A
**3 03 11 0B
4 04 12 0C
5 05 13 0D
6 06 14 0E
7 07 15 0F
(1)
Slot numbers (xx) in hexadecimal.
RECOVERABLE I/O FAULTS (SLC 5/02 and higher processors only):
Many I/O faults are recoverable. To recover, you must disable the specified
slot, xx, in the user fault routine. If you do not disable slot xx, the processor
will fault at the end of the scan.
An I/O card that is severly damaged may cause the
TIP
processor to indicate that an error exists in slot 1.
Slot xx Slot xx
16 10 24 18
17 11 25 19
18 12 26 1A
19 13 27 1B
20 14 28 1C
21 15 29 1D
22 16 30 1E
23 17 * 1F
Publication 1747-RM001G-EN-P - November 2008
Troubleshooting Faults 16-11