Mitsubishi Electric QJ71C24N User Manual page 15

9.4.11 Transmission user frame No. designation system setting ........................................................ 9- 33
9.4.12 Resetting the buffer memory/flash ROM setting values to the default values ......................... 9- 34
9.4.13 Flash ROM write allow/prohibit setting ...................................................................................... 9- 34
9.5 Auto Refresh Setting ........................................................................................................................... 9- 35
9.6 Monitor/Test ......................................................................................................................................... 9- 36
9.6.1 X/Y monitor/test ............................................................................................................................ 9- 37
9.6.2 Modem function monitor/test ........................................................................................................ 9- 38
9.6.3 Transmission control and others monitor/test ............................................................................. 9- 41
9.6.4 MC protocol monitor ..................................................................................................................... 9- 43
9.6.5 Non procedure monitor/test .......................................................................................................... 9- 45
9.6.6 Bidirectional monitor ..................................................................................................................... 9- 47
9.6.7 Pre-defined protocol monitor/test ................................................................................................. 9- 48
9.6.8 PLC CPU monitoring monitor ....................................................................................................... 9- 49
9.6.9 Transmission user frame No. designation monitor ...................................................................... 9- 51
9.6.10 Monitor/test others ...................................................................................................................... 9- 52
9.6.11 Display LED off and communication error information/error code initialization ........................ 9- 54
9.7 Non Procedure Protocol Receive Data Clear ..................................................................................... 9- 56
10 DEDICATED INSTRUCTIONS
10.1 Dedicated Instruction List and Available Devices .......................................................................... 10- 1
10.2 G(P).ONDEMAND ........................................................................................................................... 10- 3
10.3 G(P).OUTPUT ................................................................................................................................. 10- 7
10.4 G.INPUT .......................................................................................................................................... 10- 11
10.5 G(P).BIDOUT .................................................................................................................................. 10- 15
10.6 G(P).BIDIN....................................................................................................................................... 10- 18
10.7 G(P). CPRTCL ................................................................................................................................ 10- 21
10.7.1 Functional protocol ...................................................................................................................... 10- 28
10.8 G(P).SPBUSY ................................................................................................................................. 10- 29
10.9 ZP.CSET (Receive data clear) ....................................................................................................... 10- 31
11 TROUBLESHOOTING
11.1 Checking the Status of the Serial Communication Module ........................................................... 11- 1
11.1.1 Checking the LED ON status, communications error status, and switch setting status of
the serial communication module ............................................................................................ 11- 1
11.1.2 Initializing error information of the serial communication module ........................................... 11- 6
11.1.3 Reading the RS-232 control signal status ............................................................................... 11- 10
11.1.4 Reading the data communication status (Transmission sequence status) ............................ 11- 11
11.1.5 Reading the switch setting status ............................................................................................ 11- 12
11.1.6 How to read the current operation status ................................................................................ 11- 14
11.1.7 Clearing the programmable controller CPU information ......................................................... 11- 16
11.2 Error Code Tables ........................................................................................................................... 11- 18
11.2.1 Error code table ........................................................................................................................ 11- 18
11.2.2 A compatible 1C frame communications error code table ...................................................... 11- 30
11.2.3 Error code list while modem function is used .......................................................................... 11- 32
11.3 Troubleshooting by Symptom ......................................................................................................... 11- 34
11.3.1 The "RUN" LED is turned OFF ................................................................................................ 11- 36
11.3.2 The "RD" LED does not blink even after message transmission from the external device ... 11- 37
A - 13
10- 1 to 10-34
11- 1 to 11-57
A - 13