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3 master: uninitialized network – Epson EM07ZS1647F User Manual

Page 138

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4. Troubleshooting (PROFIBUS DP)

4.2.2.3 Master: Uninitialized Network

Master Unit LED

BF ST

Error Description

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?

126

Fieldbus I/O Rev.6