The Honeywell 900PSM‑0101 is a redundant I/O power status module designed to monitor dual 24 VDC power feeds and ensure stable operation of Series C and Experion PKS control systems.
Specifications
Manufacturer: Honeywell
Model: 900PSM‑0101
Module Type: Redundant I/O Power Status Module
System Compatibility: Series C / Experion PKS
Power Monitoring: Dual redundant 24 VDC supply monitoring
Fault Detection: Real‑time loss, imbalance, and degradation detection
Isolation: Galvanic isolation between logic and power
Communication: Backplane‑integrated status reporting
Operating Temperature: 0°C to +60°C
Installation: Series C rack‑mounted module
Features
Redundant Power Assurance: Continuously supervises dual supply paths for uninterrupted I/O operation
Early Fault Notification: Provides timely alerts to prevent unexpected shutdowns
Stable System Integration: Seamlessly integrates with Honeywell controllers and backplane
High Reliability: Designed for 24/7 industrial process environments
Maintenance‑Friendly: Supports quick module replacement without rewiring
