Allen-Bradley 1756-RM2K | ControlLogix Redundancy Module

Overview

The Allen-Bradley 1756-RM2K ControlLogix Redundancy Module delivers fault-tolerant operation for critical industrial control systems. Its dual-channel design maintains continuous process control during component failures, improving uptime and system reliability.

Technical Specifications

• Model Type / Manufacturer: Redundancy Module / Allen-Bradley

• Model Number: 1756-RM2K

• Channels: 2

• Current Rating: 1.16 A @ 5.1 VDC, 3.4 mA @ 24 VDC

• Enclosure: Open Type

• RFI Suppression:

• 10 V/M with 1 KHz Sine-Wave 80% AM from 80–2000 MHz

• 10 V/M with 200 Hz 50% Pulse 100% AM at 900 MHz

• 3 V/M with 1 KHz Sine-Wave 80% AM from 2000–2700 MHz

• Display: 4-character alpha/numeric

• Mounting: Chassis

• Temperature Rating: 32–140 °F (-20°C to 70°C)

• Power Dissipation / Isolation: Not specified

Connectivity and Performance

The 1756-RM2K integrates seamlessly with ControlLogix systems using Ethernet/IP communication. Its dual-channel configuration ensures high availability, while the 4-character display allows quick access to status information for monitoring and troubleshooting.

Reliability and Environmental Resistance

This module withstands harsh industrial conditions with extended temperature tolerance from -20°C to 70°C. Advanced RFI suppression protects against electromagnetic interference, ensuring stable and reliable operation.

Design and Installation

Designed for chassis mounting, the 1756-RM2K offers durable construction for long-term industrial use. Its robust design reduces maintenance needs and supports high-performance operation in demanding applications.