FLEX 1794-APB module adapter

bayeibrahima

Member
Join Date
Sep 2010
Location
DAKAR
Posts
188
Hello to all
I've since 3 days a strange phenomena on the Profibus I/O network
The "STATUS" led flashes (red/off); when I put off the power of one of I/O modules connected to the Adapter, it becomes normal (led "STATUS" and led "PROFIBUS" lit Solid green)
But if I interchange the source power (24v) of 2 I/O modules (for example IN ANA and DO module connected to the same adapter) the default disappear and the FLEX 1794-APB adapter works fine.
This is very strange and I don't know how to explain this
Please can someone help
Best regards
 

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