[foxboro] Prosoft Card

I'm having trouble getting a Prosoft card M169-MCM to talk to I/A via a Modbus 
gateway.
The Prosoft card is an upgrade of an existing control panel that was talking 
modbus to IA via the same Modbus gateway. The new controller is an A-B 
Compactlogix with the Prosoft card M169-MCM.  I have the new Prosoft card set 
up the same as the old controller: RS-485, 4800 baud, 8 bits, even parity, 1 
stop bit & both ports configures as slaves.  The old controller was set up as 
RTU7 on a network of eight different devices and this new controller takes its 
place.

When I connect the Prosoft card to the network it seems to drag down the entire 
system, and I start getting what appear to be random A & B errors.   Any clues 
as to what is going on? Has anybody had experience with connecting the Prosoft 
card?

Thanks for your inputs.



 
 
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