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