AMIKON Industrial Automation ABB AC 800M · PM858K01 · 3BSE082895R1 AC 800M Processor Unit ABB PM858K01 3BSE082895R1 Processor Unit · 33 MHz / 16 MB AC 800M Non-redundant AC 800M processor unit with MPC866 processor, 16 MB memory and integrated Ethernet, CEX-Bus and ModuleBus interfaces. 3BSE082895R1 MPC866 · 33 MHz 16 MB Memory Non-Redundant 01 Overview The controller core within an AC 800M configuration. PM858K01 is an AC 800M processor unit for non-redundant controller