Product Details
Product Overview
The Honeywell 900RR0-0001 (often referenced within the 900RR0-0101 series architecture) functions as the structural and electronic foundation for high-availability ControlEdge HC900 systems. This Redundant CPM (Control Processor Module) Rack houses dual processors, ensuring zero-point-of-failure operation for critical industrial processes. It facilitates seamless failover between primary and backup controllers to maintain continuous plant operation. We supply this unit as 100% Brand New and original factory stock, providing the essential hardware required for mission-critical Safety Instrumented Systems (SIS) and complex regulatory control.
Technical Specifications
The 900RR0-0001 provides the high-speed backplane and power distribution necessary for redundant processing:
| Parameter | Specification |
| Manufacturer | Honeywell |
| Series | ControlEdge HC900 |
| Rack Function | Redundant Control Processor (CPM) Housing |
| Backplane Type | High-Speed Redundant Communication Bus |
| Dimensions | 18.0 cm x 11.5 cm x 6.3 cm |
| Weight | 2.5 kg (5.5 lbs) |
| Country of Origin | USA |
| Construction | Industrial-grade reinforced chassis |
Engineering Advantages
-
Seamless Failover Execution: The internal backplane architecture supports simultaneous synchronization between two CPMs. If the primary processor encounters a fault, the 900RR0 series rack enables the secondary processor to assume control in milliseconds without bumping the process variables.
-
Mechanical Integrity for Harsh Environments: Weighing 2.5 kg, this chassis utilizes heavy-duty materials to resist mechanical resonance and industrial vibration. The robust build protects the delicate pin connections of the inserted CPMs from micro-fretting and physical stress.
-
Dual Power Path Distribution: The rack distributes power through independent traces, allowing for redundant power supply inputs. This ensures that a single power source failure does not compromise the entire control rack, solving a major pain point in high-uptime facilities.
-
Thermal Management Efficiency: The rack design incorporates optimized airflow channels. This prevents heat buildup between the two active processors, ensuring both units operate within their specified temperature ranges even in high-density control cabinets.
FAQs
Q: Does the 900RR0-0001 rack include the Control Processor Modules (CPMs)?
A: No. This part number refers specifically to the redundant chassis (rack). You must purchase the 900C50 or 900C70 series CPMs separately to complete the redundant controller assembly.
Q: Can I install a single CPU in this rack until I am ready to upgrade to redundancy?
A: Yes. The rack functions perfectly with a single CPM. This allows you to commission the system in a non-redundant mode and simply insert the second CPM and redundancy switch later to activate high-availability features.
Q: What is the difference between the 900RR0-0001 and the 900R08 or 900R12 racks?
A: The 900RR0-0001 is a specialized rack dedicated only to the central processors (CPMs). The 900R08 and 900R12 are I/O racks designed to hold input and output modules. You cannot mix CPMs and I/O modules within the 900RR0 rack.
Q: Is this unit a refurbished or used "surplus" rack?
A: Absolutely not. We guarantee this unit is 100% Brand New and original. Using a new rack is vital for redundancy, as worn backplane connectors in used racks can cause intermittent synchronization failures between processors.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.