amolthorat1234 Member A Join Date Dec 2013 Location Pune Posts 2 Jan 1, 2014 #1 Dear All I have acs 550 abb drive and schinder m218 plc so anyone know this communication modbus
DickDV Member D Join Date May 2002 Location Kalamazoo MI Posts 2,324 Jan 1, 2014 #2 Modbus is embedded in the acs550. No option cards are required.