The Honeywell 2MLR-CPUH/T is a high-performance CPU module within the MasterLogic-200R (ML200R) programmable logic controller (PLC) family. It is purpose-built for automation environments requiring precise, real-time processing, especially where temperature-sensitive or environmentally demanding operations are present.

Tailored for use in temperature-graded installations and high-demand process automation systems, the 2MLR-CPUH/T is engineered with robust processing capabilities, redundant-ready architecture, and compatibility with widely adopted communication protocols. This model provides a solid foundation for scalable and distributed control applications in sectors such as power, oil & gas, chemicals, and more.

The module is compact in size but large in capability, with fast scan cycles, support for thousands of I/O points, and seamless integration with Honeywell’s broader ecosystem of industrial control and monitoring platforms.

Product Specifications

Product Applications

The Honeywell 2MLR-CPUH/T is engineered for demanding applications where reliability, temperature tolerance, and rapid I/O processing are essential. Primary application domains include:

• Energy and Power Utilities – Used for distributed control in substations, turbine monitoring, and auxiliary systems.

• Oil & Gas Platforms – Handles offshore platform logic control and pipeline safety interlocking systems.

• Chemical and Petrochemical Plants – Manages reactor sequencing, safety interlocks, and high-speed batch operations.

• Pharmaceutical Manufacturing – Controls HVAC, cleanroom automation, and GMP-compliant batch logging systems.

• Heavy Industrial Machinery – Integrated into large-scale mechanical systems requiring fast and synchronized control.

• Mining and Metallurgy – Deployed in harsh environments for crushing, sorting, and material handling automation.

Product Advantages

• Extended Temperature Range: Operates reliably from -20°C to +70°C, making it ideal for harsh or outdoor environments.

• Redundancy Capability: Enables hot backup systems to ensure process continuity during hardware faults.

• Compact Footprint: Suitable for space-limited control panels without sacrificing performance.

• High-Speed Processing: Provides sub-millisecond scan cycles for rapid automation demands.

• Flexible Communication: Supports multiple industrial communication protocols for open integration.

• Easy to Engineer: Works seamlessly with Honeywell’s ML200R engineering tools and software suite.

• Future-Proofed: Firmware can be updated in the field to keep up with evolving cybersecurity and functionality standards.

• Certified for Industrial Use: CE, UL, CSA, and RoHS compliant for global deployment.

Frequently Asked Questions (FAQ)

1. What is the main difference between 2MLR-CPUH/T and 2MLR-CPUH/S-CC?

   The 2MLR-CPUH/T is built for wider temperature tolerance, while the S-CC focuses on secure, redundant control in standard environments.

2. Can I use this module in outdoor enclosures?

   Yes, as long as the enclosure provides IP-rated protection, the module’s wide temperature range supports outdoor or remote installations.

3. Does this module support CPU redundancy?

   Yes, it supports redundant CPU configurations for mission-critical systems.

4. What programming tools are compatible?

   Honeywell’s ML200R Engineering Software supports ladder, function block, and structured text programming.

5. How many I/O points can this CPU handle?

   It supports up to 16,384 digital I/O points, both local and remote.

6. Does it come with built-in diagnostics?

   Yes, it includes system health diagnostics, watchdog timers, and communication monitoring.

7. Is firmware upgrading easy?

   Absolutely. It can be upgraded via the Ethernet port without module removal.

8. What happens during a power failure?

   A backup battery preserves memory data, and configuration remains intact after reboot.

9. Can I mount this on any DIN rail?

   Yes, it’s designed for standard 35 mm DIN rail installations.

10. What kind of cybersecurity protections does it include?

    Features include encrypted firmware updates, access control levels, and protocol-level security.