Overview

The ABB CM589‑PNIO is a communication module for the AC500 PLC family, functioning as a PROFINET IO RT device. It enables reliable, real‑time communication between the PLC and distributed I/O devices, controllers, and field equipment. The module features two Ethernet interfaces with an integrated switch, simplifying network topology design and supporting flexible installation. Its compact size and rugged construction make it ideal for distributed automation systems in manufacturing, energy, and process industries.

Technical Data

Key Features

• PROFINET IO RT device for real‑time industrial Ethernet communication

• Dual Ethernet ports with integrated switch for flexible network design

• Compact and lightweight for distributed automation systems

• Supports multiple variants (CM589‑PNIO, CM589‑PNIO‑4) depending on device count

• Rugged design suitable for harsh industrial environments

Typical Applications

• Integration of remote I/O devices into AC500 PLC systems

• Manufacturing automation requiring real‑time Ethernet communication

• Process control in petrochemical and refinery industries

• Energy and power generation systems

• Robotics and motion control requiring deterministic communication

FAQ

Q1: What is the primary function of the ABB CM589‑PNIO?
A1: It acts as a PROFINET IO RT device, enabling real‑time communication between AC500 PLCs and distributed I/O.

Q2: How many Ethernet ports does it have?
A2: It includes two Ethernet interfaces with an integrated switch.

Q3: Can it be used in extreme environments?
A3: Yes, it is designed for industrial conditions, with variants available for extended requirements.

Q4: What industries commonly use this module?
A4: Energy, petrochemical, manufacturing, robotics, and heavy industrial automation.

Q5: How is it installed?
A5: It uses DIN rail mounting, making installation quick and secure.