900RSM-0200

Overview

The Honeywell 900RSM-0200 is a Redundant Switch Module used in ControlEdge HC900 redundant controller racks.

Control and Indicators

• Lead/Reserve Indication: Green arrow LEDs

• Mode Switch: Removable key with 2 keys supplied; three stationary positions and one momentary position

Power Details

• Power Supply Loading: 5 V; 22 mA max

Functionality

• Interfaces with both CPUs of a redundant system

• Indicates which CPU is Lead and which is Reserve

• Key switch sets mode for Lead and Reserve controllers, ensuring CPU synchronization

• Momentary key position allows switching Lead control between CPU-A and CPU-B

• Supports insertion and removal under power

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