Mitsubishi MELESEC-ST User Manual Download

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A - 10 A - 10

11.1.4 External power supply module...................................................................................................... 11- 5
11.1.5 Others ............................................................................................................................................ 11- 6

11.2 Requirement for Compliance with the Low Voltage Directive ............................................................ 11- 7

11.2.1 Standard applied for MELSEC-ST series..................................................................................... 11-  7
11.2.2 MELSEC-ST series selection ....................................................................................................... 11-  7
11.2.3 Power supply................................................................................................................................. 11-  8
11.2.4 Control box .................................................................................................................................... 11-  8
11.2.5 Grounding...................................................................................................................................... 11-  9
11.2.6 External wiring............................................................................................................................... 11-  9

12 TROUBLESHOOTING

12- 1 to 12-16

12.1 MELSEC-ST System Troubleshooting................................................................................................ 12- 1

12.1.1 MELSEC-ST system checkup ...................................................................................................... 12- 2
12.1.2 When RUN LED of slice module is off.......................................................................................... 12- 3
12.1.3 When RUN LED of slice module (excluding intelligent function module) is flickering

(1s interval).................................................................................................................................... 12- 4

12.2 Power Distribution Module Troubleshooting ....................................................................................... 12- 6

12.2.1 When RUN LED is flickering or off (Common to bus refreshing module and power

feeding module)............................................................................................................................. 12- 6

12.2.2 When ERR. LED is on or flickering............................................................................................... 12- 6

12.3 I/O Module Troubleshooting ................................................................................................................ 12- 8

12.3.1 When RUN LED is flickering or off ............................................................................................... 12- 8
12.3.2 When ERR. LED is on or flickering............................................................................................... 12- 8
12.3.3 Troubleshooting examples............................................................................................................ 12-12

12.4 Error Code List ..................................................................................................................................... 12-15

APPENDICES

App- 1 to App-20

Appendix 1 Outer Dimension Drawings ....................................................................................................App- 1

Appendix 1.1 Power distribution modules .............................................................................................App-  1
Appendix 1.2 I/O modules......................................................................................................................App-  3
Appendix 1.3 Base modules ..................................................................................................................App-  5
Appendix 1.4 Accessory.........................................................................................................................App-  8

Appendix 2 CC-Link ...................................................................................................................................App- 9

Appendix 2.1 I/O data.............................................................................................................................App- 9

Appendix 2.1.1 Power distribution modules ......................................................................................App- 9
Appendix 2.1.2 Input modules ...........................................................................................................App- 9
Appendix 2.1.3 Output modules ........................................................................................................App-10

Appendix 2.2 I/O points sheet................................................................................................................App-11

Appendix 3 PROFIBUS-DP .......................................................................................................................App-12

Appendix 3.1 Input/Output Data.............................................................................................................App-12

Appendix 3.1.1 Power distribution modules ......................................................................................App-12
Appendix 3.1.2 Input modules ...........................................................................................................App-15
Appendix 3.1.3 Output modules ........................................................................................................App-17

Appendix 3.2 Maximum input/output points setting sheet ....................................................................App-19

Appendix 4 Recommended Screwdriver...................................................................................................App-20

INDEX

Index- 1 to Index- 2