A - 15
22.4 Resetting Errors ........................................................................................................................22 - 46
22.5 Fault Examples with I/O Modules..............................................................................................22 - 47
22.5.1 Faults with the input circuit and the corrective actions......................................................22 - 47
22.5.2 Faults in the output circuit .................................................................................................22 - 49
APPENDICES App - 1 to App - 163
APPENDIX 1 INSTRUCTION LIST................................................................................................. App - 1
Appendix 1.1 Sequence Instructions ......................................................................................... App - 1
Appendix 1.2 Basic Instructions................................................................................................. App - 5
Appendix 1.3 Application Instructions ...................................................................................... App - 17
Appendix 1.4 Data Link Instructions ........................................................................................ App - 38
Appendix 1.5 PID Control Instructions..................................................................................... App - 41
Appendix 1.6 Special Function Module Instructions ................................................................ App - 42
APPENDIX 2 Special Relay List ................................................................................................... App - 48
APPENDIX 3 Special Register List ............................................................................................... App - 72
APPENDIX 4 PRECAUTIONS FOR UTILIZING THE EXISTING MELSEC-A SERIES PROGRAM FOR
QnACPU ............................................................................................................... App - 110
Appendix 4.1 Instructions....................................................................................................... App - 110
Appendix 4.2 Devices ............................................................................................................ App - 118
Appendix 4.3 Parameters ...................................................................................................... App - 120
Appendix 4.4 Timer and Interrupt Counter Operations .......................................................... App - 121
Appendix 4.5 Sequence Programs, Statements, Notes......................................................... App - 122
Appendix 4.6 Microcomputer programs ................................................................................. App - 124
Appendix 4.7 Comments........................................................................................................ App - 125
Appendix 4.8 Constant Scan Function, Error Check Function............................................... App - 126
Appendix 4.9 I/O control mode .............................................................................................. App - 127
Appendix 4.10 Data Link System............................................................................................. App - 128
Appendix 4.11 Index Register Processing ............................................................................... App - 129
Appendix 4.12 CHK Instruction, IX Instruction......................................................................... App - 130
Appendix 4.13 Accessing File Register R with Instructions ..................................................... App - 131
APPENDIX 5 ERROR CODES RETURNED TO THE REQUEST SOURCE IN GENERAL DATA
PROCESSING ...................................................................................................... App - 132
Appendix 5.1 Error Codes...................................................................................................... App - 132
Appendix 5.2 Error Contents of Error Codes Detected by the CPU Module (4000H to 4FFFH)
......................................................................................................................... App - 133
APPENDIX 6 EXTERNAL DIMENSIONS ................................................................................... App - 141
Appendix 6.1 CPU Module..................................................................................................... App - 141
Appendix 6.2 Power Supply Module ...................................................................................... App - 143
Appendix 6.3 Main Base Unit................................................................................................. App - 145
Appendix 6.4 Extension Base Unit......................................................................................... App - 147
APPENDIX 7 USE OF LOCAL DEVICE FOR SUBROUTINE/INTERRUPT PROGRAM STORAGE FILE
(FUNCTION VERSION B OR LATER) ................................................................. App - 149
APPENDIX 8 NETWORK RELAY FROM ETHERNET MODULE
(FUNCTION VERSION B OR LATER) ................................................................. App - 153
APPENDIX 9 QnACPU PROCESSING TIME............................................................................. App - 156
Appendix 9.1 Overview of QnACPU Scan Time .................................................................... App - 156
Appendix 9.2 Causes of Increasing Scan Time ..................................................................... App - 157