Redundancy Control Module | Honeywell 620-0059 RCM

Product Overview

Honeywell 620-0059 is the Redundancy Control Module (RCM) used in IPC 620-25 and 620-35 systems. It enables dual-processor redundancy by providing the data link and synchronization between primary and standby controllers.

Technical Specs

• Type: Redundancy Control Module (RCM)
• Compatible processors: IPC 620-25 and 620-35
• Function: Synchronizes and links redundant processor pair
• Data cable: Up to approximately 50 ft
• Power: 5 V DC from rack (typical 300 mA)
• System: Honeywell IPC 620 redundancy architecture

Key Features

• Enables hot-standby processor redundancy
• Seamless data exchange between primary and backup
• Supports high-availability control configurations
• Simple integration into dual-PLC setups

FAQ

• Purpose? Processor redundancy control.
• Compatible with? IPC 620-25 / 620-35.
• Link? Dedicated data cable between RCMs.

Installation Guide

1. Install one RCM in each of the two identical processor chassis.
2. Connect the redundancy data cable between the two RCMs.
3. Configure both processors identically.
4. Power up and verify synchronization status.
5. Test failover by simulating primary processor failure.

Selection Tips

• Required for any redundant IPC 620-25/35 installation.
• Order in pairs for primary and standby units.
• Critical spare for high-availability systems.