Advant Controller 31
ABB Advant Controller 31 or ABB AC31 Series 40-50 offered small and compact PLCs with central and decentralized extensions. The 90 Series provided powerful PLCs for demanding applications with various configuration options and up to five communication interfaces. The PLC supplied 60 I / O internally and could be expanded in a decentralized manner. The integrated fieldbus communication combination enabled the PLC to be connected to different protocols such as, for example, Ethernet, PROFIBUS DP, ARCNET or CANopen.