we use M580 which have an Modbus RTU port correct if iam wrong now should i have to read input data from ab micrologix through read var block and what are the details i should get from the ab micrologix( ip, slave id , parity, baud rate). and can M580 read ab micrologix registers like I:0/0 or sholud i assign %M0.0 for the inputs i need to read from ab please help me in this case