A-B 1756-RM2

A-B 1756-RM2 is a ControlLogix redundancy module produced by Allen-Bradley(Rockwell).The following is a detailed introduction to the module:

1.Product Overview

The A-B 1756-RM2 redundancy module enables controller redundancy by pairing with another 1756-RM2 from another ControlLogix chassis.It supports synchronization speeds up to 1000 Mbps and controller switching of 20 ms,providing powerful network support and data redundancy functions for industrial automation applications.

A-B 1756-RM2

2.Technical Features

High-speed performance:

The A-B 1756-RM2 has a synchronization speed of up to 1000 Mbps,which can meet the needs of industrial automation applications for high-speed data transmission.

Redundancy function:

The module supports controller redundancy by pairing with another 1756-RM2 to ensure that the system can still operate normally when a single controller fails.

Provides a controller switching time of 20 ms to reduce system downtime caused by failures.

Compatibility:

A-B 1756-RM2 is compatible with ControlLogix controllers 5560 and 5570,which is convenient for users to integrate and upgrade the system.

Communication capabilities:

Support up to seven enhanced ControlNet and EtherNet/IP communication modules to meet various network communication needs.

Cross-loading with redundant fiber ports without single point failure ensures the reliability and stability of communication.

Power consumption and heat dissipation:

Consume 1.16 A current at 5.1V DC and 3.4 mA current at 24V DC.

The maximum power consumption is 6W and the heat dissipation is 21 BTU/hr.

Installation and configuration:

It can be installed in any slot of the ControlLogix chassis,which is convenient for users to install and configure.

Use the redundant module configuration tool RSLinx 2.59 for configuration and management.

A-B 1756-RM2

III.Application field

A-B 1756-RM2 redundant modules are widely used in various industrial automation systems that require high reliability and redundant control,such as:

Manufacturing:used for automatic control on production lines to improve production efficiency and product quality.

Oil and gas industry:used for automated control in oil and gas extraction,processing and transportation to ensure the stability and safety of the production process.

Chemical industry:used for automated control of chemical reaction processes to optimize production processes and product quality.

Power industry:used for monitoring and control of power systems to ensure the stability and safety of power supply

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