3BDH000530R1

The ABB PM803F  3BDH000530R1 is a high-performance CPU Base Unit for the Freelance AC 800F distributed control system (DCS), serving as the central processing core for medium-to-large process automation applications. It features 16 MB battery-buffered SDRAM, a 32-bit RISC processor, and a built-in RW 855F contact ledge for expansion modules. The unit supports controller redundancy (hot-standby) and executes IEC 61131-3 control programs with a minimum cycle time of 5 ms.