4. Troubleshooting (DeviceNet)
RC700 / RC90 Option Fieldbus I/O Rev.14
267
♦
Process Flowchart
Replace the unit.
5
No Problem
Check
Check the following:
- Unconnected terminating resistor
- Unconnected or loose connector/signal wire
- Cable disconnection
Finish
No Problem
No Change
No Change
No Change
The trouble unit is not found.
Rarely
Problem exists. (Fix it.)
No change
No change
No change
Immediately
The unit is not found.
The unit is found.
Problem exits. (Fix it.)
The problem is fixed.
The problem is fixed.
The problem is fixed.
No problem
No problem
See 4.1.3.1 and 4.1.3.2.
See 4.1.3.3.
Check for noise influence.
Divide the network and
find the trouble unit.
Does an error occur immediately?
Yes
No
Normal Communication?
Analyze the network with NetMeter.
Consult the DeviceNet manufacturer.
Measure voltage of
communications power supply.
Replace the master unit.
Replace moving cable
(Replace deteriorated cable).
Summary of Contents for RC700
Page 1: ...Robot Controller RC700 RC90 Option Fieldbus I O Rev 14 EM198C4088F ...
Page 2: ...Robot Controller RC700 RC90 Option Fieldbus I O Rev 14 ...
Page 8: ...vi RC700 RC90 Option Fieldbus I O Rev 14 ...
Page 12: ...Table of Contents x RC700 RC90 Option Fieldbus I O Rev 14 ...
Page 340: ...5 Maintenance Parts List 328 RC700 RC90 Option Fieldbus I O Rev 14 ...
