Description
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.
