Mitsubishi QJ71C24N - Page 14

A - 12 A - 12
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 to 10-34
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 to 11-57
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
11.3.3 No response message is returned even though the external device transmitted a message
and the "RD" LED blinked............................................................................................................ 11-38