The Honeywell 900RR0‑0101 Redundant CPU Rack Assembly provides the mechanical and electrical infrastructure required for installing redundant CPUs in HC900 hybrid control systems.
Specifications
Manufacturer: Honeywell
Model Number: 900RR0‑0101
Product Type: Redundant CPU Rack Assembly
System Compatibility: Honeywell HC900 Hybrid Controller
Rack Type: Dedicated redundant CPU mounting rack
Slots: Supports dual CPU modules + system interface modules
Backplane: Integrated HC900 communication backplane
Power Distribution: Regulated DC power via rack bus
Isolation: Galvanic isolation between CPU and I/O segments
Operating Temperature: 0°C to +60°C
Construction: Industrial‑grade metal frame with reinforced backplane
Application: High‑availability process control and fault‑tolerant automation
Features
Redundancy Support: Designed for dual‑CPU architecture with automatic failover
Stable Backplane: Ensures reliable communication between CPUs and I/O modules
Industrial Durability: Robust frame suitable for harsh plant environments
Easy Integration: Compatible with HC900 system wiring and module layout
Maintenance‑Friendly: Supports quick CPU replacement without disturbing field wiring
