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OVERVIEW
Official designation: Allen-Bradley 1756-RM2 (ControlLogix, Redundancy Module)
Role/Application: Facilitates data synchronization between redundant ControlLogix chassis, ensuring high-speed fiber optic communication for fault-tolerant system switchover.
KEY SPECS SUMMARY
Power: 1.16A at 5.1V DC
Interfaces / Ports: Dual LC Fiber Optic
Indicators: Status Display, LEDs
Operating Temp: 0 degrees C to 60 degrees C
Platform / Compatibility: ControlLogix 5570/5580
Limit: 1000 Mbps sync speed
Lifecycle: Active
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What is the typical switchover speed for this module?
A: Switchover occurs in 20 milliseconds or less.
Wiring & Installation:
Q: What cable is required for synchronization between modules?
A: Use 1756-RMC fiber optic cables.
Troubleshooting & Compatibility:
Q: What does a red status on the LED display indicate?
A: A red status signifies a critical module fault.
Replacement & Upgrades:
Q: Is the 1756-RM2 compatible with 1756-RM modules?
A: No, synchronization modules must be identical pairs.
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| Model Name | See this page for details |
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| Country of Manufacture or Origin | See this page for details |
| Manufacturer | See this page for details |
| After-sales Service Contact or Customer Support Number | See this page for details |
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