Table of Contents
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11.4.1 List of states ......................................................................................................................................... 11-10
11.4.2 State transitions .................................................................................................................................... 11-11
11.5 Backup functionality ................................................................................................................................... 11-12
11.6 Clock functionality ..................................................................................................................................... 11-13
11.6.1 System register for clock control ......................................................................................................... 11-13
11.6.2 Setting the clock by using ladder programs ......................................................................................... 11-15
11.6.3 Updating the date ................................................................................................................................. 11-16
11.7 State signal timing ...................................................................................................................................... 11-17
11.7.1 PCsOK signal ....................................................................................................................................... 11-17
11.7.2 Ladder program RUN/STOP signal ..................................................................................................... 11-18
11.7.3 RI/O STOP input signal ....................................................................................................................... 11-19
............................................................................................................................................ 12-1
12.1 Limited-life components and replacement cycle ........................................................................................ 12-1
12.2 Periodic check items ................................................................................................................................... 12-2
13.1 Troubleshooting via visual confirmation of LEDs and indicators .............................................................. 13-2
13.1.1 Power supply module (model: LQV410) ............................................................................................. 13-2
13.1.2 CPU module (model: LQP600) ........................................................................................................... 13-3
13.2 Troubleshooting individual modules .......................................................................................................... 13-14
13.2.1 CPU module troubleshooting ............................................................................................................... 13-14
13.2.2 Troubleshooting optional modules ....................................................................................................... 13-20
13.2.2.1 OD.RING module troubleshooting ............................................................................................... 13-20
13.2.2.2 J.NET module troubleshooting ..................................................................................................... 13-33
13.2.2.3 D.NET module troubleshooting .................................................................................................... 13-43
13.2.2.4 FL.NET module troubleshooting .................................................................................................. 13-46
13.2.2.5 ET.NET module troubleshooting .................................................................................................. 13-50
13.2.3 Remote I/O communication troubleshooting ....................................................................................... 13-84
13.2.3.1 Troubleshooting procedure ........................................................................................................... 13-84
13.2.3.2 Detailed check items ..................................................................................................................... 13-88
13.2.3.3 System register .............................................................................................................................. 13-93
13.2.3.4 Relationship between the system configuration and system register ............................................ 13-95
13.2.4 PI/O module troubleshooting ............................................................................................................... 13-97
13.2.4.1 Analog module troubleshooting .................................................................................................... 13-97
13.2.4.2 Digital module troubleshooting .................................................................................................... 13-99
13.3 AutoSave procedure .................................................................................................................................... 13-100
13.3.1 If the CPU module is connected to PADT ........................................................................................... 13-100
.............................................................................................................................. 13-1
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Table of Contents
Troubleshooting
