ABB PM590 PLC CPU Ethernet Processor Module

Overview

The ABB PM590 processor module is part of the AC500 programmable logic controller (PLC) platform, developed for demanding industrial automation environments that require reliable processing performance and extensive communication options.

Equipped with integrated Ethernet networking, dual serial interfaces, and support for FieldBus Plug (FBP) modules, the controller enables flexible integration with distributed I/O systems and field devices. The built-in LCD display simplifies commissioning and diagnostics, while the onboard memory and SD card capability allow efficient program storage and data logging.

Designed for DIN-rail installation, the PM590 CPU module provides a compact yet powerful solution for complex machine control and process automation applications.

Technical Specifications

Communication and Integration

The controller provides multiple communication channels, allowing it to function as a central automation node in distributed architectures.

• Ethernet interface supporting TCP/IP communication and programming via engineering software

• Two serial interfaces configurable for RS232 or RS485 communication with legacy equipment or serial field devices

• FieldBus Plug interface enabling expansion to common industrial fieldbus protocols

• SD card support for application programs, firmware updates, and data storage

System Architecture and Expansion

Within the AC500 architecture, the PM590 CPU supports scalable system design through local and remote I/O modules.

• Compatible with AC500 digital and analog I/O modules

• Supports distributed automation configurations

• Allows integration with drives, sensors, and supervisory control systems

Environmental and Mechanical Characteristics

• Designed for industrial control cabinets

• Operating temperature suitable for typical factory environments

• Compact housing optimized for dense PLC installations

• Reliable operation under standard industrial electrical conditions

Typical Applications

• Automated manufacturing systems

• Machine control and assembly lines

• Water and wastewater treatment plants

• Food and beverage processing systems

• Energy and infrastructure monitoring systems

FAQ

What is the primary function of the PM590 module?
It serves as the central processing unit of an ABB AC500 PLC system, executing control programs and coordinating communication with I/O modules and networked devices.

Does the controller support external storage?
Yes. An SD card slot allows program backup, firmware updates, and data logging.

Which communication protocols are supported?
The module supports Ethernet TCP/IP and serial communication via RS232/RS485, and additional protocols can be implemented through FBP fieldbus adapters.