H-50
FX Series PLC User's Manual - Data Communication Edition
Programming Communication
7 Troubleshooting
7.7 Checking Programming Tool Setting
7.7 Checking Programming Tool Setting
Verify that the setting contents in the programming tool are correct.
1. Checking the communication port
Verify that the communication port is set correctly.
2. Checking the transmission speed
Verify that the transmission speed is set correctly.
For the programming tool setting, refer to Chapter 6.
7.8 Checking Absence/Presence of Errors
1. Checking M8062 (except FX3S, FX3G, FX3GC, FX3U and FX3UC PLCs)
When a communication error occurs in the standard built-in port, M8062 turns ON and D8062 stores the
corresponding error code.
2. Checking the error code (D8062)
D8062 stores either of the following error codes:
3. Checking M8063 and M8438
When a communication errors occur in optional communication equipment, M8063 turns ON and D8063
stores the corresponding error code during communication using ch1, and M8438 turns ON and D8438 stores
the corresponding error code during communication using ch2.
Error code Contents of error
D8062
6201
*1
Parity error, overrun error or framing error
6202 Defective communication character
6203 Communication data sum mismatch
6204 Defective data format
6205 Defective command