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The Honeywell 900RSM-0001 is a Redundant CPU Switch Module for the ControlEdge HC900 system. It manages dual-CPU redundancy by monitoring processor status and executing instant failover to maintain continuous control. Supplied 100% brand new and original.
| Parameter | Specification |
|---|---|
| Manufacturer | Honeywell |
| Product Type | Redundant CPU Switch Module (RSM) |
| Compatibility | HC900 Redundant Power/CPU Rack |
| Synchronization | Real-time data mirroring |
| Dimensions | 10" × 8" × 13" |
| Weight | 1.2 kg |
Fast Failover
Detects faults and switches CPUs within milliseconds, ensuring no process interruption.
Data Synchronization
Maintains identical data between primary and backup CPUs for seamless switchover.
Manual Override
Front-panel control enables manual CPU switching for maintenance.
Plug-and-Play
Designed for direct integration into HC900 redundant racks.
What if the RSM fails?
It is the core redundancy manager; using a new unit ensures reliability.
Need configuration?
Works automatically once redundancy is set in HCD software.
Non-redundant use?
No, only for redundant HC900 racks.
How to check active CPU?
Front LEDs indicate Primary and Backup status.