4. Troubleshooting (PROFIBUS DP)
♦ Causes of Error |
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| |
| Possible Cause | Examination Method | Countermeasure |
| { Electrical surges | Measure voltage of device power | Check voltage of the |
| of master device | supply at the master unit. | device power supply. |
| power supply | → It should be within the range |
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|
| of sufficient voltage for device |
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|
| operation. | Check the master unit |
| { Master device | Check that the master device was | |
| configuration error | configured properly. | configuration. |
|
| → After changing the |
|
|
| configuration, verify whether |
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|
| the problem is fixed. | Replace the master unit |
| { Broken master | Replace the broken master unit | |
| unit | with a new one. | with a new one. |
|
| → Verify whether the problem is |
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|
| fixed. |
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Fieldbus I/O Rev.6 | 127 |
