1756-RMK

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Overview of Allen-Bradley 1756-RMK

The Allen-Bradley 1756-RMK is a redundancy module used in the ControlLogix system to enable redundancy for controllers. It facilitates synchronized operation between two identical ControlLogix controllers installed in separate chassis for high availability and fault tolerance. The module supports high-speed synchronization over fiber optic cables and features embedded LEDs for system health monitoring.

Key Features

  • Enables redundancy for ControlLogix controllers by managing synchronization between controller pairs
  • Supports fiber optic communication using 1756-RMC cables for high-speed data transfer
  • Provides system and module health monitoring with embedded LED indicators (PRI, COM, OK)
  • Compatible with standard and redundant power supplies
  • Compatible with ControlLogix chassis including series A and B of models 1756-A4, A7, A10, A13, A17
  • Power dissipation approximately 9 Watts
  • Operating temperature range: 0 to 60 °C (32 to 140 °F)
  • Storage temperature range: -40 to 85 °C (-40 to 185 °F)
  • Compliance with CSA, CE, c-UL-us, FM, Ex, and other certifications
  • Open style enclosure for easy installation in any chassis slot
  • Weight: approximately 0.29 kg (0.64 lbs)

Technical Specifications

Model 1756-RMK
Type Redundancy Module for ControlLogix
Communication Fiber optic using 1756-RMC cables
Power Dissipation 9 W
Thermal Dissipation 31 BTU/hr
Operating Temperature 0 to 60 °C
Storage Temperature -40 to 85 °C
Weight 0.29 kg (0.64 lbs)
Enclosure Open style for ControlLogix chassis
Compatible Chassis 1756-A4, A7, A10, A13, A17 Series A and B
Certifications CSA, CE, c-UL-us, FM, Ex

Applications

The 1756-RMK redundancy module is essential for applications requiring high availability and fault tolerance by enabling dual ControlLogix controllers to operate in a redundant pair, ensuring seamless switchover and minimizing system downtime in critical industrial automation systems.

1756-RMK

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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