12-Slot Expansion Rack Module | Honeywell 900R12R-0300

Availability: 20 left in stock

Product Overview The Honeywell 900R12R-0300 serves as the high-capacity foundation for the HC900 Hybrid Control System. This 12-slot chassis provides the mechanical framework...

SKU: 900R12R-0300

Manufacturer: Honeywell
Product No.: 900R12R-0300
Product Type: PLC Racks and Chassis
Product Origin: USA
Payment:T/T, Western Union
Weight: 1000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Overview

The Honeywell 900R12R-0300 serves as the high-capacity foundation for the HC900 Hybrid Control System. This 12-slot chassis provides the mechanical framework and electrical backplane required to house and interconnect a full array of HC900 I/O modules. It facilitates seamless communication between remote I/O points and the central CPU, ensuring deterministic data transfer in complex process environments. We supply this rack as 100% Brand New and Original, specifically designed to handle critical power distribution and signal routing for large-scale industrial automation.

Technical Specifications

Attribute	Value
Model Number	900R12R-0300
Rack Capacity	12 Module Slots
Compatible Modules	Analog I/O, Digital I/O, Communication Modules
Backplane Bus	High-speed Serial Communication
Power Input	24 VDC (via 900PSM series Power Modules)
Redundancy	Supports Redundant Power Supply Configuration
Mounting Standard	19-inch Rack Mount or Panel Mount
Operating Temp	0°C to +60°C (32°F to 140°F)
Dimensions	482 × 137 × 137 mm
Protection Rating	IP20 (Cabinet Installation Required)

Engineering Advantages

High-Density Scalability: The 12-slot architecture maximizes I/O density within a standard 19-inch rack footprint. This allows engineers to consolidate extensive point counts—including thermocouples, RTDs, and discrete signals—into a single managed location, significantly reducing cabinet space requirements.
Redundant Power Infrastructure: The "R" designation confirms that this rack supports redundant power module inputs. This configuration eliminates power supply failure as a single point of failure, ensuring continuous uptime for critical loops in chemical, pharmaceutical, and power generation plants.
Distributed I/O Efficiency: This rack enables the placement of I/O close to field instruments. By decentralizing the hardware, the system minimizes long-run copper wiring, which reduces installation labor costs and shields sensitive analog signals from electromagnetic interference (EMI).
High-Speed Serial Backplane: The integrated serial bus manages data synchronization between modules at high velocities. This ensures that time-critical PID control and safety logic execute without the latency issues found in non-specialized chassis.
Thermal Management Design: The chassis geometry promotes natural convection cooling. It prevents heat buildup even when fully populated with high-current digital output modules, maintaining stable operations in ambient temperatures up to 60°C.

FAQs

Does the 900R12R-0300 include the Power Supply Modules (PSM)?

No. The 900R12R-0300 is the rack/chassis only. You must select and purchase the 900PSM series power modules separately based on your specific power and redundancy requirements.
Is the 900R12R-0300 backward compatible with older HC900 modules?

Yes, the rack supports standard HC900 series I/O modules. However, always verify your current CPU firmware version to ensure full software support for the 12-slot remote station configuration.
What is the difference between the 900R12R-0200 and the 900R12R-0300?

The -0300 suffix represents the latest hardware revision, offering improved electrical shielding and modern manufacturing standards while maintaining full functional compatibility with previous versions.
Does this rack support "Hot-Swapping" of modules?

Yes. When used within the HC900 architecture, the 900R12R-0300 backplane allows for the removal and replacement of I/O modules under power, provided you follow the standard safety procedures to prevent process disruption.

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.