C-54
FX Series PLC User's Manual - Data Communication Edition
Parallel Link
10 Related Data
10.2 Details of Related Devices
10.2.9 Serial communication error code [D8063 and D8438]
These devices store the serial communication error code. (D8438 is available only in the FX3G, FX3U and
FX
3UC.)
1. Applicable stations
The master and slave station may check the serial communication error code.
2. Detailed contents
The table below shows the details of error codes.
3. Cautions on use
Do not set this device to ON using a program or programming tool.
Serial communication errors code are not cleared even when communication is restored.
Serial communication errors are cleared in FX
3G, FX3U and FX3UC PLCs when the power is turned off and on.
Serial communication errors are cleared in other PLCs when the mode is switched from STOP to RUN.
Device Error code Description Action
D8063
(ch 1)
0000 No error
Verify that the parallel link
setting programs are
correct, and check the wiring
also.
6312 Character error in parallel link
6313 Sum check error in parallel link
6314 Format error in parallel link
D8438
(ch 2)
0000 No error
3812 Character error in parallel link
3813 Sum check error in parallel link
3814 Format error in parallel link
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