ABB Bailey RLM01 Module – Product Specifications & Technical Overview

The ABB Bailey RLM01 is a high-performance Relay Logic Module designed for integration within the ABB Bailey INFI-90 Distributed Control System (DCS). This module provides reliable relay-based logic control, signal routing, and interlocking functions essential for industrial automation processes. Engineered for durability and precision, the RLM01 ensures stable operation in demanding industrial environments, including power plants, chemical processing, and manufacturing facilities.

Key Features

• Reliable Relay Logic: Provides stable relay-based control for alarms, interlocks, and safety circuits.

• Modular Design: Compatible with standard Bailey racks and INFI-90 backplanes, enabling easy installation or replacement.

• Industrial-Grade Construction: Resistant to vibration, temperature variations, and electrical noise.

• Built-In Diagnostics: LED indicators and fault monitoring for quick maintenance and troubleshooting.

• Real-Time Control: Ensures fast and accurate logic execution for critical industrial processes.

• Long Service Life: Designed for continuous operation in heavy-duty industrial environments.

Technical Specifications

• Model: RLM01

• Module Type: Relay Logic Module

• System Compatibility: ABB Bailey INFI-90 DCS

• Function: Executes relay-based logic control, interlocks, and signal routing

• Voltage Supply: Powered via standard Bailey module backplane (+5 VDC / ±15 VDC typical)

• Current Consumption: Low-power industrial design

• Relay Capacity: Supports multiple contact configurations for flexible logic control

• Operating Temperature: 0°C to +60°C

• Storage Temperature: –20°C to +85°C

• Humidity Tolerance: 5%–95%, non-condensing

• Mounting: Standard plug-in installation for INFI-90 module racks

• Protection: Industrial-grade PCB construction with EMI-resistant design

• Diagnostics: LED indicators for module status and relay operation

Applications

The RLM01 module is widely used in:

• Power generation systems (coal, gas, hydro, nuclear)

• Oil & gas and petrochemical plants

• Chemical manufacturing processes

• Water & wastewater treatment facilities

• Steel and metallurgical automation systems

• Pulp & paper production lines

It is essential for implementing reliable relay logic control, ensuring operational safety, and maintaining process integrity in complex industrial automation networks.