Epson EM07ZS1647F User Manual page 129

♦ Process Flowchart
Check
No Problem
No Problem
No Change
No Change
No Change
The trouble unit is not found.
Rarely
Fieldbus I/O Rev.6
1
Check the following:
- Unconnected terminating resistor
- Unconnected or loose connector/signal wire
- Cable disconnection
No problem
Measure voltage of all
slave power supplies.
No problem
Replace the trouble unit.
No change
Replace moving cable.
(Replace deteriorated cable).
No change
Check for noise influence.
No change
Does an error occur immediately?
Immediately
Divide the network and
find the trouble unit.
The unit is not found.
Consult the PROFIBUS manufacturer.
4. Troubleshooting (PROFIBUS DP)
2
Problem exists. (Fix it.)
Problem exists. (Fix it.)
The problem is fixed.
The problem is fixed.
The problem is fixed.
The unit is found.
Replace the unit.
Normal Communication?
See 4.2.3.1 and 4.2.3.2.
See 4.2.3.3.
Yes
No
Finish
117