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Epson RC90 User Manual

Epson RC90
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4. Troubleshooting (PROFIBUS DP)
RC700 / RC90 Option Fieldbus I/O Rev.14 305
4.2.2.3 Master: Uninitialized Network
Master Unit LED
Error Description
BF
ST
Light OFF
Light OFF
Uninitialized network
- Master unit power error
- Master unit configuration error
Process Flowchart
7
No Problem
Check
Measure voltage of all
slave power supplies.
Problem exists. (Fix it.)
No problem
Finish
No
Replace the master unit.
Yes
No
Check for master device configuration.
Problem exists. (Fix it.)
No problem
No Problem
Consult the PROFIBUS manufacturer.
Normal Communication?
Causes of Error
Possible Cause
Examination Method
Countermeasure
Electrical surges
of master device
power supply
Measure voltage of the device
power supply at the master unit.
It should be within the range of
sufficient voltage for device
operation.
Check voltage of the
device power supply.
Master device
configuration error
Check that the master device was
configured properly.
After changing the
configuration, verify whether
the problem is fixed.
Check the master unit
configuration.
Broken master
unit
Replace the broken master unit
with a new one.
Verify whether the problem is
fixed.
Replace the master unit
with a new one.

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Epson RC90 Specifications

General IconGeneral
BrandEpson
ModelRC90
CategoryController
LanguageEnglish

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