Programmable Terminals are destined mainly for connection to industrial programmable controllers where they can serve as an intelligent monitoring and control unit. There are three series of the Programmable Terminals produced: the Series 390 contains the types APT Micro and APT Premium, the Series 552 contains the types APT40A-22A and APT80A-24A and the third newest series is so far constituted by our smallest type AID Alpha.




