Epson RC90 User Manual

4. Troubleshooting (PROFIBUS DP)
306 RC700 / RC90 Option Fieldbus I/O Rev.14
4.2.2.4 Master: Configuration Error
Master Unit LED
Error Description
BF
ST
Red Light
ON
No
Matter
Physical error
- Nonstandard wiring
- Signal wire connection failure
- Signal wire short circuit
♦ Process Flowchart
8
 No Problem
Check
Check the following:
- Unconnected terminating resistor
- Unconnected or loose connector/signal wire
- Cable disconnection
 No Change
Problem exists. (Fix it.)
No problem
No change
The problem is fixed.
Replace the unit.
Finish
 The trouble unit is not found.
Rarely
Immediately
The unit is not found.
The unit is found.
Yes
No
Consult the PROFIBUS manufacturer.
See 4.2.3.1 and 4.2.3.2.
Divide the network and
find the trouble unit.
Does an error occur immediately?
Normal Communication?
Replace moving cable.
(Replace deteriorated cable).

Epson RC90 Specifications

General

Brand	Epson
Model	RC90
Category	Controller
Language	English