10 Troubleshooting
10.1 Self-diagnostic Function....................................................................10-2
10.1.1 CPU Unit’s Operation Monitor LED................................................ 10-2
10.1.2 Operation at the Time of Error ....................................................... 10-2
10.1.3 Serial Communication Unit's Operation Monitor LED .................... 10-3
10.2 What to Do If an Error Occurs (For Each Communication Mode).....10-4
10.2.1 When Using PLC Link Function ..................................................... 10-4
10.2.2 When Using MEWTOCOL/ MEWTOCOL7/ MODBUS RTU
Function ............................................................................................ 10-4
10.2.3 When Using General-purpose Communication Function............... 10-5
10.3 Checking Status with PMGET Instruction.........................................10-7
10.3.1 Specifications of PMGET Instruction ............................................. 10-7
10.3.2 List of Communication Parameters................................................ 10-7
10.4 Clearing Errors Using User Programs ..............................................10-10
10.4.1 Clearing Errors Using User Programs ........................................... 10-10
WUME-FP7COM-07
10-1
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