ABB PM865K01 3BSE031151R1｜High Integrity Processor Unit｜

Main Functions
1. High Integrity Safety Control

The PM865K01 is designed for applications requiring reliable safety execution, including:

Safety Instrumented Systems (SIS)
Emergency Shutdown Systems (ESD)
Fire & Gas Systems (F&G)
Burner Management Systems (BMS)
Turbine and compressor protection
Critical process interlocks

The high-integrity capability is enabled by combining the PM865 controller with an SM811 Safety Supervisor Module and SIL-certified software configuration.

2. Redundant Architecture Support

The controller supports redundancy for increased availability:

CPU redundancy
CEX-Bus redundancy
Communication interface redundancy
S800 I/O redundancy

This allows continuous operation in demanding industrial environments.

Communication Interfaces

The PM865K01 baseplate provides:

Interface Function
Ethernet CN1/CN2 Control Network communication
COM3 RS-232C serial communication with modem control
COM4 Isolated serial port for configuration tools
CEX-Bus Communication expansion modules
ModuleBus ABB S800 I/O connection

Compatible ABB Modules

Commonly used components include:

Module Function
SM811 Safety Supervisor Module
TP830 CPU Baseplate
BC810 / BC820 CEX-Bus interconnection units
SD831/SD832/SD833 Power supply modules
S800 I/O Standard remote I/O
S800 High Integrity I/O Safety I/O modules

PM865K01 vs PM865K02
Feature PM865K01 PM865K02
Configuration Single CPU Redundant CPU package
Processor PM865 2 × PM865K01
Frequency 96 MHz 96 MHz
Memory 32 MB 32 MB each CPU
Safety Level SIL 3 capable SIL 3 capable
Availability Standard Higher availability

Typical Industrial Applications
Oil & Gas processing plants
Petrochemical facilities
Power generation
Chemical production
Offshore platforms
Pharmaceutical manufacturing
Large continuous-process industries