A -
11
9.1.2 Installation inside the control cabinet........................................................................9 – 2
9.1.3 Cables.......................................................................................................................9 – 3
9.1.4 Power supply module................................................................................................9 – 7
9.1.5 Ferrite core................................................................................................................9 – 7
9.1.6 Noise filter (power supply line filter)..........................................................................9 – 7
9.2 Requirement to Conform to the Low-Voltage Instruction......................................................9 – 8
9.2.1 Standard applied for AnS series ...............................................................................9 – 8
9.2.2 Precautions when using the AnS series ...................................................................9 – 9
9.2.3 Power supply.............................................................................................................9 – 9
9.2.4 Control box..............................................................................................................9 – 10
9.2.5 Module installation ..................................................................................................9 – 10
9.2.6 Grounding ...............................................................................................................9 – 11
9.2.7 External wiring ........................................................................................................9 – 11
10. MAINTENANCE AND INSPECTION ............................................................................ 10 – 1 to 10 – 5
10.1 Daily Inspection...................................................................................................................10 – 2
10.2 Periodic Inspection..............................................................................................................10 – 3
10.3 Replacement of Battery.......................................................................................................10 – 4
10.3.1 Service life of battery ..............................................................................................10 – 4
10.3.2 Battery replacement procedure...............................................................................10 – 5
11. TROUBLESHOOTING................................................................................................ 11 – 1 to 11 – 18
11.1 Basic Troubleshooting.........................................................................................................11 – 1
11.2 Troubleshooting ..................................................................................................................11 – 2
11.2.1 Troubleshooting flowcharts.....................................................................................11 – 2
11.2.2 Flowchart used when the POWER LED goes OFF ................................................11 – 3
11.2.3 Flowchart used when the RUN LED goes OFF ......................................................11 – 4
11.2.4 Flowchart used when the RUN LED flashes...........................................................11 – 5
11.2.5 Flowchart used when the ERROR LED is lit...........................................................11 – 6
11.2.6 Flowchart used when the ERROR LED flashes .....................................................11 – 7
11.2.7 Flowchart used when the output load of the output module
does not come ON..................................................................................................11 – 8
11.2.8 Flowchart used when a program cannot be written to the PLC CPU .....................11 – 9
11.3 Error Code List..................................................................................................................11 – 10
11.3.1 Error codes ...........................................................................................................11 – 10
11.4 I/O Connection Troubleshooting .......................................................................................11 – 16
11.4.1 Input circuit troubleshooting..................................................................................11 – 16
11.4.2 Output circuit failures and corrective action..........................................................11 – 18
APPENDICES................................................................................................................APP – 1 to APP – 50
Appendix 1 Instructions...................................................................................................................APP – 1
Appendix 1.1 Caution when Performing a Write while Running
Dedicated Instruction .........................................................................................APP – 5
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