The ABB PM864A (3BSE018162R1) is a high-performance processor unit designed for the ABB AC 800M distributed control system, serving as a central component of the System 800xA automation platform. This controller is engineered for robust industrial process control, featuring a 32-bit RISC PowerPC-based architecture that ensures reliable execution of complex control logic.
Features
High-performance 32-bit RISC microprocessor operating at 96 MHz.
Integrated 32 MB RAM and 2 MB Flash PROM for firmware and application storage.
CompactFlash interface for expanded data logging and program backup capabilities.
Dual 10 Mbit/s RJ45 Ethernet ports for seamless integration into the Control Network.
Dedicated serial connectivity: COM3 with modem control signals and an isolated COM4 RS-232C port for configuration tools.
Unique hardware Ethernet address assigned to each CPU for secure and permanent network identification.
Applications
The PM864A is utilized in demanding industrial environments requiring high-availability control, including power generation, oil and gas processing, chemical manufacturing, and water treatment facilities. It is specifically designed for use within the ABB System 800xA architecture to manage distributed I/O and coordinate plant-wide automation tasks.
Technical Specifications
Product Model
PM864A
Order Code
3BSE018162R1
Processor
32-bit RISC PowerPC
Ethernet Ports
2 x RJ45 (10 Mbit/s)
Serial Interfaces
RS-232C (COM3/COM4)
Supply Voltage
24 V DC
Operating Temperature
+5 degC to +55 degC
Storage Temperature
-40 degC to +70 degC
Installation Guidelines
Ensure the controller is mounted on a compatible AC 800M baseplate to ensure proper power distribution and communication bus connectivity.
Always disconnect power before installing or removing the module from the rack to prevent electrical damage.
Maintain adequate ventilation around the module to stay within the specified operating temperature range of +5 degC to +55 degC.
Use shielded Ethernet cabling for the Control Network to minimize electromagnetic interference (EMI) in industrial environments.
Handle the module using standard ESD (Electrostatic Discharge) protection practices to prevent damage to internal circuitry.
FAQ
What is the primary function of the PM864A? The PM864A is a central processor unit for the AC 800M controller, responsible for executing control applications, managing I/O communication, and interfacing with the 800xA network.
Does this module support external storage? Yes, the unit includes a CompactFlash interface that can be used for data logging and storing application backups.
Is the serial port isolated? The COM4 port is an isolated RS-232C port specifically reserved for connecting configuration and maintenance tools.
