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 Post subject: Comms Problem with T7B & Multiple Controllers on DH485
PostPosted: Wed Sep 21, 2016 9:40 pm 

Joined: Wed Sep 21, 2016 8:20 pm
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Hi

I have configured a T7B for communication on a simple DH485 Network
with 2 Controllers. ML1500 and ML1200 and now a T7B replacing a PV600
that has been working fine. (Using a Net AIC at each Node)

Configuring controllers in iX developer appears straight forward but can only get one to communicate at a time.

Controller 1 DH485 (ML1500) is Node 2, HMI Node 6 & Controller 2 (ML1200) is Node 4 HMI Node 6
both on COM 2 RS485

Interestingly I get a Comms error on the T7B for the Controller 2 , but no address is shown .( Address is shown for controller 1 when you disconnect it
from the Net AIC.

Suggestions welcome.
Many thanks
Mike


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