Product Overview

The Honeywell 900R12R-0200 (also identified by part number 50071090-002) provides a high-density foundation for the HC900 Hybrid Control System. This 12-slot chassis houses and interconnects a full range of HC900 I/O modules, including analog, digital, and specialized communication cards. It facilitates high-speed data exchange via a robust backplane bus and supports redundant power configurations to eliminate single points of failure in critical process loops. We offer this rack as 100% Brand New in original factory packaging to ensure peak performance in your automation architecture.

Technical Specifications

Engineering Advantages

• High-Density Scalability: The 12-slot architecture maximizes I/O density per linear inch of cabinet space. This allows engineers to consolidate large point counts—such as temperature arrays in kilns or pressure sensors in refineries—into a single managed base.

• Redundant Power Infrastructure: This rack specifically supports dual power module inputs. If one power source fails, the backplane maintains seamless operation, protecting the process from unexpected shutdowns and expensive downtime.

• Optimized Signal Integrity: The high-speed serial backplane bus minimizes latency between remote I/O points and the central CPU. It utilizes advanced shielding to maintain data accuracy even when installed near high-frequency VFDs or heavy switchgear.

• Rugged Thermal Management: Designed for a wide 0°C to 60°C operating range, the 900R12R-0200 thrives in non-climate-controlled environments. The chassis geometry promotes natural convection, pulling heat away from sensitive I/O electronics.

• Simplified Field Wiring: The rack design provides ample clearance for wiring harnesses. Standardized mounting holes allow for rapid installation into 19-inch sub-panels, reducing labor costs during the commissioning phase.

FAQs

• Does the 900R12R-0200 include the power supply modules?

  No. This part number refers to the mechanical rack and backplane assembly. You must purchase the power supply modules (such as the 900PSM series) separately based on your redundancy requirements.

• Can I mix different types of I/O modules in this 12-slot rack?

  Yes. The HC900 backplane supports any combination of Honeywell analog, digital, or pulse modules in any of the 12 available slots, provided you configure the CPU software accordingly.

• What is the difference between the 900R12R-0200 and the 900R12-0200?

  The "R" in the model name indicates support for Redundant power modules. The 900R12R-0200 includes the necessary backplane circuitry to accept two power supplies for high-availability applications.

• Is this rack suitable for outdoor installation?

  The rack carries an IP20 rating. It requires an appropriately rated NEMA or IP-certified industrial enclosure to protect against moisture, dust, and environmental contaminants.