bonitron M3452 - PROFIBUS Fieldbus Offline Light Is Red; PROFIBUS Fieldbus Diagnostics Light Is Blinking; Attached Drive will Not Precharge; Technical Help

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M3452 vR8 EIP/PDP

5.3.15. PROFIBUS FIELDBUS OFFLINE LIGHT IS RED

Make sure there are no duplicate addresses on your PROFIBUS network.

Make sure your termination switch is set correctly.

5.3.16. PROFIBUS FIELDBUS DIAGNOSTICS LIGHT IS BLINKING

Contact Bonitron.

5.3.17. ATTACHED DRIVE WILL NOT PRECHARGE

Verify the polarity of the connection to the DC filter capacitors of the drive. If

this connection is reversed, the commutation diode effectively shorts the DC

bus and will not allow the drive to go through precharge.

5.4. TECHNICAL HELP – BEFORE YOU CALL

If technical help is required, please have the following information available when

contacting Bonitron (615-244-2825 Email:info@bonitron.com):

 Serial number of unit

 Name of original equipment supplier

 Brief description of the application

 Drive and motor hp or kW

 The line to line voltage on all 3 phases

 The DC Bus voltage

 KVA rating of power source

 Source configuration Wye/Delta and grounding

bonitron M3452 - PROFIBUS Fieldbus Offline Light Is Red; PROFIBUS Fieldbus Diagnostics Light Is Blinking; Attached Drive will Not Precharge; Technical Help - before You Call