4. Troubleshooting (PROFIBUS DP)
| 4.2.2.1.3 Slave: Uninitialized Network |
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| BF | ST |
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| Master LED Condition | Light OFF | Red Light Blinking |
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| Absent Slave LED Condition | Light OFF | Light OFF |
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| (Uninitialized Network) | ||
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♦ Process Flowchart |
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Check | 4 |
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No Problem | Measure voltage of all | Problem exists. (Fix it.) | ||||
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slave power supplies. |
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| No problem |
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| Check the following: | Problem exists. (Fix it.) | ||||
No Problem | - Unconnected terminating resistor | |||||
- Unconnected or loose connector/signal wire |
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| - Cable disconnection |
| See 4.2.3.1 and 4.2.3.2. | |||
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| No problem | The problem is fixed. | |||
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| Replace moving cable. | |||||
No Change |
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(Replace deteriorated cable). |
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No change
Replace the unit.
Yes
No | Normal Communication? |
No
Consult the PROFIBUS manufacturer. | Finish |
Fieldbus I/O Rev.6 | 121 |
