4. Troubleshooting (PROFIBUS DP)

4.2.2.3 Master: Uninitialized Network

Master Unit LED

Error

Description

BF

ST

 

 

Light

Light

Uninitialized network

- Master unit power error

OFF

OFF

 

- Master unit configuration error

Process Flowchart

Check

†No Problem

†No Problem

7

Measure voltage of all

Problem exists. (Fix it.)

 

slave power supplies.

 

 

No problem

Problem exists. (Fix it.)

Check for master device configuration.

No problem

Replace the master unit.

Yes

† No

Normal Communication?

No

Consult the PROFIBUS manufacturer.

Finish

126

Fieldbus I/O Rev.6

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Image 138
Epson EM07ZS1647F manual Master Uninitialized Network