Chapter 13 Warning CodesMS300
510
Data error during PLC operation
The program detects incorrect written address when translating the program
source code (e.g. the address exceeds the range) during PLC downloading,
then PLdA warning occurs.
Immediately act when the fault is detected
Warning Setting Parameter
Check if the program is correct and download the program again. If the fault
does not exist, the warning automatically clears.
During PLC operation, the external
Modbus has written/read incorrect
data to internal PLC program
Check if the upper unit transmits the correct command
The built-in PLC function is ON,
there is station address of
Modbus which is duplicate of
the built-in PLC station address
(Pr.09-35) been set in the
Modbus system of the
equipment
Set the station addresses of Modbus and built-in PLC to be different