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- Honeywell
- 900R12-0300
- HC900 12-Slot I/O Rack
- USA
- 137 x 571.5 x 151.7 mm
- 4.072 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Honeywell 900R12-0300 HC900 12-Slot I/O Rack is a high-capacity modular rack designed for Honeywell ControlEdge HC900 Distributed Control Systems (DCS). It provides a stable and scalable platform for installing up to 12 I/O modules, enabling efficient signal acquisition, process control, and system expansion in industrial automation environments.
This model is widely used in complex control architectures where high I/O density, flexible configuration, and reliable continuous operation are required.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Honeywell |
| Model | 900R12-0300 |
| Product Type | HC900 12-Slot I/O Rack |
| System Compatibility | Honeywell HC900 / ControlEdge HC900 |
| Slot Capacity | 12 I/O module slots |
| Supported Modules | Digital I/O, Analog I/O, Communication modules |
| Backplane | Integrated communication and power backplane |
| Power Supply | 24 VDC system power |
| Power Distribution | Backplane-based distribution |
| Dimensions | 137 × 571.5 × 151.7 mm |
| Weight | 4.072 kg |
| Mounting Type | Control cabinet / panel mounted |
| Material | Industrial-grade metal chassis |
| Operating Temperature | -40°C to 70°C |
| Application | Industrial automation and process control |
Function and Working Principle
The Honeywell 900R12-0300 operates as a modular I/O expansion platform within HC900 systems.
Its working principle includes:
- Providing 12 slots for I/O module installation
- Enabling high-speed communication through integrated backplane
- Distributing system power to all installed modules
- Supporting real-time data exchange with the controller
- Allowing flexible expansion of control points without system redesign
This architecture ensures efficient integration between field devices and central control systems.
Role in Industrial Control Systems
Within HC900 architecture, this rack acts as a central expansion backbone, enabling large-scale I/O integration.
It supports installation of:
- Digital input modules
- Digital output modules
- Analog input modules
- Analog output modules
- Communication interface modules
It is commonly used in medium to large distributed control systems requiring scalable I/O architecture.
Industrial Applications
The Honeywell 900R12-0300 is widely used in:
- Distributed Control Systems (DCS)
- Oil and gas processing plants
- Petrochemical industries
- Power generation systems
- Water treatment facilities
- Industrial manufacturing automation
It is suitable for complex industrial environments requiring flexible and expandable control systems.
Installation and System Integration
Proper installation ensures stable performance:
- Installed inside industrial control cabinets
- Mounted on panel or rack structures
- I/O modules inserted into 12 available slots
- Connected via integrated HC900 backplane system
- Requires proper grounding and cable management
Correct installation ensures long-term reliability and stable communication.
Compatible System Components
The 900R12-0300 rack works with:
- Honeywell HC900 controllers
- Digital input/output modules
- Analog I/O modules
- Communication modules
- HC900 power supply units
- System backplane assemblies
It forms a key structural and communication foundation for HC900 systems.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 900R12-0101 | 12-slot rack | Standard revision | General automation |
| 900R12-0200 | 12-slot rack | Alternative version | Medium-large systems |
| 900R08-0300 | 8-slot rack | Smaller capacity | Mid-scale systems |
| 900R08R-0300 | 12-slot redundant rack | High availability | Critical systems |
| 900R12R-0200 | 12-slot redundant rack | Fault-tolerant design | Mission-critical systems |
Key Advantages
- High-density 12-slot modular design
- Stable integrated backplane communication
- Strong industrial-grade construction
- Supports multiple I/O module types
- Flexible system scalability
- Designed for continuous industrial operation
Technical FAQs
What is the main function of the 900R12-0300 rack?
It provides a modular platform for installing and connecting HC900 I/O modules.
How many modules can it support?
It supports up to 12 I/O modules.
Does it handle communication between modules?
Yes, communication and power distribution are managed via the integrated backplane.
Is it suitable for industrial environments?
Yes, it is designed for harsh and continuous industrial operation.
Conclusion
The Honeywell 900R12-0300 HC900 12-Slot I/O Rack is a core expansion component in industrial automation systems. It enables high-density I/O integration, stable communication, and scalable system design within HC900 architectures.
For engineers and system integrators, this rack provides a reliable and flexible foundation for building efficient, high-performance control systems in demanding industrial environments.