New Honeywell 900C73R-0000-41 Redundant Module

New Honeywell 900C73R-0000-41 Redundant Module | Global Shipping

Availability: 99 left in stock

Product Overview The Honeywell 900C73R-0000-41 functions as the high-availability core for the HC900 Process Automation System. This redundant CPU module integrates advanced...

SKU: 900C73R-0000-41

Manufacturer: Honeywell
Product No.: 900C73R-0000-41
Product Type: Redundant Controller Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 295g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Overview

The Honeywell 900C73R-0000-41 functions as the high-availability core for the HC900 Process Automation System. This redundant CPU module integrates advanced logic, sequencing, and process control with a dedicated 2-port scanning interface for remote I/O management. Specifically engineered for mission-critical environments, it facilitates automatic failover between primary and backup controllers to prevent process downtime. We supply this module as 100% Brand New and Original in factory packaging, providing the necessary hardware layer for chemical, power generation, and water treatment facilities that demand zero-interruption operations.

Technical Specifications

Feature	Specification Details
Model Number	900C73R-0000-41
Module Type	Redundant CPU / I/O Scanner
Communication Ports	2-Port (Ethernet Modbus TCP/IP, Serial Modbus RTU)
Functionality	Process Control, Logic, Sequencing, Redundancy Switchover
Redundancy	Automatic failover with synchronized memory
Memory	Non-volatile flash for program and state storage
Power Supply	24 VDC (Backplane supplied)
Weight	0.65 lbs (Module net)
Mounting	DIN Rail within 900R08 or 900R12 Racks
Country of Origin	USA

Engineering Advantages

High-Availability Architecture: The 900C73R-0000-41 executes a seamless redundancy switchover. By maintaining constant synchronization between the primary and secondary CPUs, the backup module assumes control instantly upon detecting a hardware or communication fault in the lead unit.
Consolidated Control & Scanning: This module eliminates the need for separate scanner and CPU hardware. It manages local rack logic while simultaneously scanning remote I/O racks through its high-speed ports, optimizing rack space and reducing system latency.
Superior Data Integrity: Integrated non-volatile memory ensures that your control strategies, setpoints, and historical synchronization data remain intact during total power loss. This prevents the need for manual site recalibration after a blackstart.
Rugged EMI Protection: Built for the factory floor, the module features advanced galvanic isolation. This shielding prevents electrical transients and high-frequency interference from disrupting the sensitive logic circuits, ensuring stable operation in heavy industrial zones.

FAQs

How does the redundancy switchover work in the 900C73R-0000-41?

The module uses a dedicated peer-to-peer link to mirror its internal state to a secondary module. If the primary unit fails a diagnostic check, the secondary unit takes over the 2-port I/O scanning and logic execution without bumping the process variables.
Does this module require specific firmware?

Yes. Redundant HC900 systems require synchronized firmware versions between the primary and backup 900C73R modules. Always verify your current software revision in Honeywell HC Designer before commissioning.
Can I use this module to replace a non-redundant C50 or C70 CPU?

The 900C73R is specifically for redundant configurations. While it shares many logic capabilities with standard CPUs, its 2-port scanner hardware is optimized for high-availability distributed I/O.
What is the condition of this unit?

We guarantee this 900C73R-0000-41 is 100% Brand New and ships in its original factory-sealed box. It includes our professional 12-month warranty to ensure long-term reliability in your DCS environment.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.