I have an AB compact Logix controller that I need to communicate with a Laurel Digital Panel Meter (to measure resistance). I am using software version 30. The device communicates over ethernet using Modbus RTU. I have no experience with Modbus. I have been reading as much as possible to get up to speed. I am looking for some help on how to get started. I was thinking that I need to add/configure a generic communication module from the Logix software. Not sure where to start. I would appreciate any direction you could provide.
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