
Check the current installation status of the GOT you are using against the GOT installation status described in the upper column of items (1) to (7).
When the measure described in the lower column is needed, take the measure for the current status. When the measure is taken, check the result, "Effective" or "Ineffective".
(1) Panel inside wiring
NFB
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| The power line connected to the power or | Mixed |
Current status |
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| servo amplifier and the communication | ||
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| MC |
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| RA |
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| cable are mixed in the duct. | Not mixed | |
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NFB
Measure for the |
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| Wiring the power line and communication | Effective | ||
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| cable in the panel without mixing them in | ||||
cables mixed |
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| Ineffective | ||
MC |
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| the duct can reduce the influence of noise. | ||||
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17
INSPECTION
MAINTENANCE AND
18
TROUBLESHOOTING
APPENDICES
(2) Panel outside wiring
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| Power line | The power line and communication cable | Installed together | ||
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Current status |
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| Not installed | |
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| are installed together. | ||
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| together | |
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| Communication cable |
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Fig. A |
| Power line |
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| Communication cable | Leading the power line and |
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| communication cable outside the panel |
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Measure for |
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| at separate places can make the |
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| communication cable less influenced by | Effective | |
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the cables |
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| noise from the power line. Installing the | |
installed |
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| Power | Wiring | Separator | communication cable apart from the | Ineffective | |||||||||||
together |
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| line |
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| power line or using a separator (made of |
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Fig. B |
| 100mm or more |
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| metal) in the duct as shown in Fig. B can |
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| make the communication cable less |
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| Signal |
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| Power |
| Communication | influenced by noise. |
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| line |
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| line |
| cable |
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18. TROUBLESHOOTING | 18 - 5 |
18.1 GOT Restoration Sheet