Mitsubishi FX3U-232-BD User Manual page 661

FX Series PLC User's Manual - Data Communication Edition
Remote Maintenance
8.8 Checking Absence/Presence of Errors
In FX and FX
3U 3UC
Verify that an error has not occurred.
1. Checking M8063
When a communication error occurs, M8063 turns ON and D8063 stores the corresponding error code.
2. Checking the error code
D8063 stores one of the following error codes:
Error code
6301
6302
6303
6304
6305
6306
D8063
6307
6308
6312
6313
6314
6320
When modem initialization is disabled, D8063 stores the error code 6307.
If D8063 stores any error code shown above, check the following items:
• Wiring
• Modem specifications
Series, an error occurs when modem initialization is not possible.
Parity error, overrun error or framing error
Defective communication character
Communication data sum mismatch
Defective data format
Defective command
Monitoring timeout
Modem initialization error
N:N Network parameter error
Parallel link character error
Parallel link sum error
Parallel link format error
Error in communication with inverter
8.8 Checking Absence/Presence of Errors
Contents of error
8 Troubleshooting
A
B
C
D
E
F
G
H
I
Apx.
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