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1153
Failure Diagnosis Instructions
Section 3-30
4.
The following table shows how the IOM Hold Bit affects the status of I/O
memory and the status of outputs on Output Units after a fatal system error
has been generated with FALS(007).
Note
Unlike user-defined fatal errors, system errors generated by FALS(007) will
clear I/O memory if the IOM Hold Bit is OFF. The following areas will be
cleared: CIO Area, Work Area, Timer Flags and PVs, Index Registers, and
Data registers.
The following table shows how to specify error codes and error details in S
and S+1.
IOM Hold Bit
(A50012)
Status of I/O memory
Status of outputs on Output
Units
ON
Retained
OFF
OFF
Cleared
OFF
Error name
S
S+1
Error code
Error details
Memory Error
80F1 hex
• Bits 00 to 09: Memory Error Location
Bit 00: User program
Bit 04: PLC Setup
Bit 05: Registered I/O table
Bit 07: Routing table
Bit 08: CPU Bus Unit Setup
Bit 09: Memory Card transfer error
• Bits 10 to 15: Invalid
I/O Bus Error
80C0 hex
• Bits 00 to 07: Slot number where the I/O Bus error
occurred
Slot 0 to 9: 00 to 09 hex
Slot unknown: 0F hex
• Bits 08 to 15: Rack number where the I/O Bus
error occurred
Slot 0 to 7: 00 to 07 hex
Rack unknown: 0F hex
Unit Number
Duplication
Error
80E9 hex
CPU Bus Unit’s duplicated unit number
0000 to 000F hex
Special I/O Unit’s duplicated unit number
8000 to 805F hex
Rack Number
Duplication
Error
80EA hex
Duplicated Rack number (overlapping word alloca-
tions)
0000 to 0006 hex
Fatal Inner
Board Error
82F0 hex
Error Cause
Bits 00 to 03: Error defined by Inner Board
Bits 04 to 15: Invalid
Summary of Contents for SYSMAC CS1D-CPU**
Page 3: ...iv...
Page 29: ...xxx...
Page 185: ...146 List of Instructions by Function Code Section 2 4...
Page 1389: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2...
Page 1390: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits...
Page 1391: ...1352 ASCII Code Table Appendix A...