Allen-Bradley 1756-RM2K Redundancy Module | ControlLogix

Uninterrupted Operation with Advanced System Redundancy

Technical Specifications

• Brand: Allen-Bradley
• Series: ControlLogix
• Model: 1756-RM2K
• Module Type: Enhanced Redundancy Module
• Data Speed: 1000 Megabytes per Second
• Fiber Wavelength: 1310 nm
• Maximum Distance: 10 Kilometers
• Switchover Time: Less than 10 Milliseconds
• Current Draw: 1.16A @ 5.1V DC, 3.4mA @ 24V DC
• Power Dissipation: 6 Watts Maximum
• Thermal Dissipation: 21 BTU per Hour
• Operating Temperature: 0 to 60°C (32 to 140°F)
• Communication Channels: 1 Primary Fiber Channel
• Compatible Cables: 1756-RMC1 (1m), 1756-RMC3 (3m), 1756-RMC10 (10m)
• Wire Size: 20 AWG Recommended
• Dimensions: 140 x 112 x 145 mm (5.51 x 4.41 x 5.71 in)
• Weight: 0.29 kg (0.64 lbs)

Professional Questions Answered

• Why is system redundancy important?
  It prevents production stops during hardware failures.
• How fast does the switchover occur?
  Less than 10 milliseconds for seamless transition.
• What controllers work with this module?
  ControlLogix L7 series controllers in both chassis.
• What cables are needed for connection?
  Fiber optic cables 1756-RMC1, RMC3, or RMC10.
• Can I install this in any chassis slot?
  Yes, it fits any available slot in the chassis.