ABB PM864AK01 3BSE018161R1｜Processor Unit Kit｜

Key Features
96 MHz high-performance CPU
32 MB RAM with approximately 23.5 MB available for user applications
Supports single and redundant CPU configurations
Built-in CompactFlash interface for firmware and application storage
Dual Ethernet ports for Control Network communication
Two serial communication ports (COM3 and COM4)
Supports up to 12 CEX-Bus communication modules
Compatible with ABB S800 I/O and System 800xA
DIN-rail mounting with plug-and-play maintenance design
Main Technical Specifications
Parameter Specification
Manufacturer ABB
Model PM864AK01
Part Number 3BSE018161R1
Product Type AC 800M Processor Unit
CPU Clock Frequency 96 MHz
Memory 32 MB RAM
Available Application Memory 23.522 MB
Flash Storage CompactFlash supported
Typical Performance 0.15 ms / 1000 Boolean operations
Power Supply 24 VDC (19.2–30 VDC)
Protection Rating IP20
Mounting DIN rail
Net Weight Approximately 1.2 kg

Communication Interfaces

The PM864AK01 includes:

2 × RJ45 Ethernet ports (CN1, CN2) for the Control Network
COM3: RS-232C serial port with modem support
COM4: Isolated RS-232 service/configuration port
CEX-Bus for communication interface modules
ModuleBus for direct connection to S800 I/O

By installing optional communication interface modules, the controller can support:

PROFIBUS DP
PROFINET
Modbus TCP
IEC 61850
FOUNDATION Fieldbus
Other industrial Ethernet protocols
Redundancy

The PM864AK01 is designed for high-availability systems and supports:

CPU redundancy
Redundant Ethernet communication
Redundant CEX-Bus
Redundant S800 I/O
Automatic controller switchover with minimal process interruption
Typical Applications

The PM864AK01 is widely deployed in:

Power generation plants
Oil & gas production and refining
Chemical and petrochemical facilities
Pulp and paper mills
Water and wastewater treatment
Mining and metals
Pharmaceutical manufacturing
General industrial process automation
Standard Kit Contents

A standard PM864AK01 Processor Unit Kit typically includes:

PM864A CPU
TP830 Baseplate
TB850 CEX-Bus Terminator
TB807 ModuleBus Terminator
TB852 RCU-Link Terminator
Memory backup battery (4943013-6)
4-position power connector