Omron CJ2M-CPU Series

9
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Program
57
9.7. Error processing
The details of errors that may occur during the program execution are shown below.
9.7.1. CMND Instruction Error Code
H400 stores the end code of the network communications instruction.
[Format]
Bit 15 8 7 0
Main response code
Sub-response code
[Response codes (Excerpt)]
Main
Sub
Main response code
Sub-response code
02
05
Destination node error
Response timeout
10
04
Command format error
Command format error
25
05
Unit error
CPU bus error
Additional Information
For details, refer to 5-1-3 End Codes in 5-1 Command Lists in SECTION 5 FINS Commands
of the CJ Series Communications Commands REFERENCE MANUAL (Cat. No. W342).
Additional Information
For details and troubleshooting on the CMND instruction errors, refer to 12-3 Troubleshooting
in SECTION 12 Troubleshooting and Maintenance of the CJ Series Serial Communications
Units OPERATION MANUAL (Cat. No. W336).
9.7.2. Transmission Error Status
H401 stores the content of the transmission error status ''1508''.
[Description of each bit in the transmission error status]
Bit
Description
15
1: Transmission error 0: No transmission error
8 to 14
(Not used)
7
1: FCS check error 0: FCS check normal
6
(Not used)
5
1: Timeout error 0: Normal
4
1: Overrun error 0: Normal
3
1: Framing error 0: Normal
2
1: Parity error 0: Normal
0, 1
(Not used)