Epson EM07ZS1647F Dokumentacja Strona 131

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4. Troubleshooting (PROFIBUS DP)
4.2.2.1.2 Slave: Data Link Error
MS NS
Master LED Condition Light OFF Red Light Blinking
Absent Slave LED Condition
(Data link error)
Light OFF Red Light ON
Process Flowchart
Replace the unit.
3
No Problem
Check
Check the following:
- Unconnected terminating resistor
- Unconnected or loose connector/signal wire
- Cable disconnection
Finish
No Change
No Change
The trouble unit is not found.
Rarely
Problem exists. (Fix it.)
No change
Immediately
The unit is not found.
The unit is found.
Yes
The problem is fixed.
The problem is fixed.
No
No problem
See 4.2.3.1 and 4.2.3.2.
See 4.2.3.3.
No change
Check for noise influence.
Divide the network and
find the trouble unit.
Does an error occur immediately?
Normal Communication?
Consult the PROFIBUS manufacturer.
Replace moving cable.
(Replace deteriorated cable).
Fieldbus I/O Rev.6 119
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