ABB 3BSE018157R1EPM861AK01 PLC Processor Unit

PM861AK01 Processor Unit (3BSE018157R1) is ABB’s central processing unit for the AC 800M Classic control system, serving as the main CPU in process automation setups that require robust, centralized computation and control. This Processor Unit Kit includes the PM861A CPU, the TP830 baseplate (width 115 mm), TB850 CEX-bus terminator, TB807 ModuleBus terminator, TB852 RCU-Link terminator, a memory backup battery 4943013-6, and a 4-position power plug 3BSC840088R4. Designed for ABB System 800xA Classic architectures, the PM861AK01 provides the primary processing capability and interfaces to I/O and fieldbus networks via the CEX-bus, ModuleBus, and RCU-Link terminators. The package is intended to mount on the TP830 base and together with the included terminators and battery offers a ready-to-install central processing unit for ABB’s AC 800M installations. Product ID 3BSE018157R1 corresponds to the PM861AK01 Processor Unit in ABB’s catalog, with listings and datasheets referencing the same Processor Unit Kit and its component parts.