Article: KB-11339
Info:
No PROFIBUS communication with VFD
Skill required to complete this article: Controls Hardware ~ Profibus Networks and level is Beginner.

Related ticket

 TS-00407684

Question/Problem
 
VFD cannot start.

VFD FAULT --- Drive Not In Profibus Mode

 

Answer/Solution

i) Find the Network Schematics and Layout

  

ii) Locate the faulted VFD on any of those documents, search for Node number and VFD number

iii) Locate the network branch where your faulted VFD is

iv) Tell site to walk the conveyor lane where the branch with the faulted VFD is, searching for:

* Broken PROFIBUS wires,

* PROFIBUS connectors with termination switch in the ON position (All termination switches should be OFF except for the last node)

  * Loose PROFIBUS connections

 

PROFIBUS CONNECTOR

 

 

PROFIBUS CONNECTIONS

 Cô l?p ch?ng sét PROFIBUS bus k?t n?i v?i ÐÈN LED ch?n doán ch? d?n cho Siemens S7 200/300/400PLC m?ng|Máy Tính Công Nghi?p & Ph? Ki?n| - AliExpress

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Published on 9/30/2022.
Last Modified on 9/30/2022.
Last Modified by Jacob Castellanos.
Article has been viewed 327 times.
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