Toshiba T2N - Manual (Page 12)

Contents
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4. INSTALLATION AND WIRING
4.1 Operating Environment ................................................................................................................................................................ 59
4.2 Installing the Rack
...........................................................................................................................................................................
60
4.3 Mounting the Modules
..................................................................................................................................................................
61
4.4 Connecting the Expansion Unit
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61
4.5 Grounding
..............................................................................................................................................................................................
62
4.6 Grounding Methods
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63
4.7 Wiring the Power Supply ............................................................................................................................................................ 65
4.8 I/O Wiring ............................................................................................................................................................................................... 66
4.9 Power up/down Sequence ........................................................................................................................................................ 68
4.10 Safty Circuit
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69
5. MAINTENANCE AND CHECKS
5.1 Daily Checks ........................................................................................................................................................................................ 70
5.2 Periodic Checks
................................................................................................................................................................................
72
5.3 Spare Parts to Keep in Stock
.................................................................................................................................................
73
5.4 Battery Replacement ..................................................................................................................................................................... 74
5.5 Fuse Replacement
..........................................................................................................................................................................
76
6. TROUBLESHOOTING
6.1 Troubleshooting Procedure
......................................................................................................................................................
77
6.2 Power Supply Check ..................................................................................................................................................................... 78
6.3 CPU Check
...........................................................................................................................................................................................
79
6.4 Program Check
..................................................................................................................................................................................
79
6.5 Input Check ........................................................................................................................................................................................... 80
6.6 Output Check
......................................................................................................................................................................................
81
6.7 Faults Due to External Problems ......................................................................................................................................... 82
6.8 List of Items for Self-Diagnostic check
............................................................................................................................
83