PM864AK01 (3BSE018161R1) ABB Technical Overview of AC 800M CPU Module

ABB PM864AK01 3BSE018161R1 is a central processor unit used in ABB AC 800M / System 800xA DCS platforms. This high-performance CPU module executes:

• Control logic operations
• Communication handling
• Process data management

• Cycle time: down to 1 ms
• 1000 Boolean operations: 0.15 ms

Suitable for high-speed interlocking and continuous PID loops in demanding industrial applications.

• CPU redundancy (hot standby)
• Communication redundancy
• I/O redundancy (S800)
• Switchover time: ≤10 ms

• 2 × Ethernet ports (RJ45)
• 2 × Serial ports (RS-232)

Supported protocols include:

• PROFIBUS DP
• PROFINET IO
• Modbus TCP
• EtherNet/IP

• Oil & gas processing facilities
• Chemical processing plants
• Power generation systems
• Manufacturing automation
• Water treatment systems
• HVAC control systems