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I have 6 devices capable of Modbus Communications; 3 boiler combustion controllers, a generator controller and 2 automatic transfer switches. I'm currently receiving data from the boiler combustion controllers via a prosoft communications module as part of a Rockwell Automation Contrologix system. The generator and automatic transfer switches will be interfaced with a BMS. Is it possible to poll the combustion controllers from the BMS as well as the Contrologix system?