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Honeywell Experion PKS User Manual Page 261

Profibus gateway module.
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Diagnostic Check Ensure that the Device Index switches on the IOTA were not intentionally set to zero to initiate a
Device Index/IP Address reset.
Cause 1
Device Index switches set to zero.
Solution
Change Device Index switches to correct setting.
Cause 2
The module is defective.
Solution
Replace the module.
If Device Index switch setting matches Device Index number in 4-character display upon PGM power
up, the removed module is defective. Otherwise, go to Cause 3.
Cause 3
The IOTA is defective.
Solution
Replace the IOTA.
If Device Index switch setting matches Device Index number in 4-character display upon PGM power
up, the removed IOTA is defective.
13 PROFIBUS GATEWAY MODULE (PGM) TROUBLESHOOTING
261

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