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Allen Bradley 1756-RM2 CompactLogix 5370 PLC Controller with 1 GHz Processor

Allen-Bradley 1756-RM2 CompactLogix 5370 PLC

Product Overview

The Allen-Bradley 1756-RM2 is a high-performance CompactLogix 5370 PLC featuring a 1 GHz processor, EtherNet/IP communication, and 8-axis motion control capabilities.

Technical Specifications

Item	Specifications
Brand / Series	Allen-Bradley ControlLogix
Product Positioning	Redundancy Enhanced Module
Slot Requirements	One ControlLogix chassis slot, can be installed in any available slot
Synchronization Rate	1000 MB/s (high-speed fiber cross-loading, no single point of failure)
Typical Compatibility	1756-L7x series controller; redundant power supply (1756-PA75R/PB75R/PSCA2)
Power Consumption	5.1V DC: 1.16A; 24V DC: 3.4mA; maximum power consumption 6W (21 BTU/hr)
Operating Temperature	0-60°C (32-140°F), temperature code T4
Physical Specifications	Single slot module, shipping weight approximately 2 kg
Compatible Cables	1756-RMC1 (1m) / RMC3 (3m) / RMC10 (10m)
Configuration Tools	Studio 5000 Logix Designer + Redundancy Configuration Tool

Core Functions and Value

Hot Standby Redundancy Architecture: Supports two identical ControlLogix controllers (primary/backup) with real-time status synchronization via 1756-RM2. In case of primary controller failure, the system seamlessly switches to the backup controller in milliseconds, ensuring uninterrupted production.
High-Speed Synchronization and High-Reliability Networking: 1000 MB/s fiber optic synchronization ensures consistent primary and backup status. Redundant fiber optic ports eliminate single points of failure in communication, adapting to critical scenarios such as large production lines, energy, and chemical industries.
Health Monitoring and Diagnosis: Built-in LED indicators (PRI/COM/OK, etc.) display redundancy status, communication links, and module health in real time, enabling remote diagnostics and fault location in conjunction with Studio 5000.

Firmware Compatibility Note: Requires compatibility with the 1756-L7x controller and redundant power supply. Firmware updates must ensure version compatibility with communication modules (such as the 1756-ENx) to avoid concurrent updates causing malfunctions (refer to Rockwell's official documentation).

Applicable Scenarios and Selection Recommendations

Ideal Applications

Continuous production lines
Power grid control
Petrochemical process control
Rail transit signaling systems
Other critical automation applications where downtime is not permitted

Selection Guidelines

The controller must be from the same 1756-L7x series, with consistent firmware version
The chassis must be compatible with redundant power supplies (such as 1756-A7/A10/A13, etc.)
Select appropriate lengths of 1756-RMC series redundant cables based on rack spacing
Prioritize redundant power supply systems (1756-PA75R/PB75R) to further improve system availability

Product Tags:

Allen Bradley 1756-RM2

Allen Bradley Compactlogix 5370

Compactlogix 5370 Controller

Allen Bradley 1756-RM2 CompactLogix 5370 PLC Controller with 1 GHz Processor

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Categories	Programmable Logic Controller PLC
Model Number:	1756-RM2
Application:	Oil and Gas Factory
Brand Name:	Allen‑Bradley
Power_Consumption:	5 W
Actual Price:	based on offer
Delivery Time:	5-7 days
Price:	Negotiable
Condition:	New Original with Sealed
Number_of_Outputs:	10
MOQ:	1 pcs
Payment Terms:	T/T
Supply Ability:	10000 pcs
Input Points:	36DI
Points:	40 (24DI+16DO)