Panasonic AFP7CCM1, User Manual

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Table of Contents
vi
9.3.2 Contents of Sent Data .............................................................................9-6
9.3.3 GPSEND (General-Purpose Communication Sending Instruction) ........9-7
9.3.4 Precautions on Sending Data .................................................................9-8
9.4 Receiving Operation............................................................................... 9-9
9.4.1 Overview of Receiving Operation............................................................9-9
9.4.2 Contents of Received Data ...................................................................9-12
9.4.3 Precautions on Receiving Data.............................................................9-12
9.4.4 Operations of the "Reception done copy" flag and multiplex reception 9-13
9.4.5 GPRECV (General-Purpose Communication Receiving Instruction) ...9-14
9.5 Sending/Receiving Flag Operation....................................................... 9-15
9.5.1 No Header (Start Code), Terminator (End Code) "CR": .......................9-15
9.5.2 Start Code "STX", End Code "ETX": .....................................................9-16
10. Troubleshooting ............................................................... 10-1
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 ............................................ 10-6
10.3.1 Specifications of PMGET Instruction.....................................................10-6
10.3.2 List of Communication Parameters .......................................................10-6
10.4 Clearing Errors Using User Programs.................................................. 10-9
10.4.1 Clearing Errors Using User Programs...................................................10-9
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