Description
Honeywell 2MLR-CPUH/T
Technical Specifications:
- Brand: Honeywell
- Model: 2MLR-CPUH/T
- Product Type: Redundant Process Controller
Functional Features:
- Seamless Failover: Automatic, bumpless transfer to the backup controller with zero process disruption.
- Synchronized State: Continuous synchronization of logic, memory, and I/O states between primary and secondary units.
- Advanced Control Algorithms: Supports complex PID, cascade, ratio, and model predictive control strategies.
Application Scenarios:
Mandatory for safety-critical and high-value continuous processes in refining, petrochemical, and pharmaceutical industries.
Performance Parameters:
- Failover Time: Millisecond-level switchover time ensuring process stability.
- Processing Speed: High-speed deterministic execution for complex control loops.
Material Composition:
Built with dual-redundant internal power paths, high-reliability memory, and industrial-grade processors.
Structural Characteristics:
Ruggedized enclosure with dedicated synchronization link ports, redundant network interfaces, and comprehensive status LEDs.
Working Principle:
Both controllers execute identical control logic simultaneously. The primary manages outputs while the secondary tracks its state. Upon primary failure, the secondary assumes control instantly.
Installation Requirements:
Install redundant pairs with proper synchronization cabling. Maintain adequate spacing for thermal management.
Usage Precautions:
Regularly test failover mechanisms during maintenance windows. Never disable redundancy features during normal operation.




