Modbus 485 connection to ABB PST soft starter w/MRP21-FBP field bus plug

G

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Gilbert Avalos

This is fairly straightforward (I would think) The issue I have is that PST field bus plug must have a config file written to it before it works. I have an ABB document 1SFC132046M0201, page 12 specifies pretty clearly how to set it up using a standard Modbus multi register write command. However, they don't specify destination register(s).
Has anyone out there done this?
 
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