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- Honeywell
- 900R08-0300
- HC900 8-Slot I/O Rack
- USA
- 137 x 419.1 x 151.7 mm
- 3.126 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 900R08-0300 HC900 8-Slot I/O Rack is a modular industrial rack designed for Honeywell ControlEdge HC900 Distributed Control Systems (DCS). It provides a structured platform for mounting up to 8 I/O modules, enabling efficient signal acquisition, processing, and system expansion in industrial automation applications.
This rack is a core hardware component in HC900 architectures, ensuring stable module integration, reliable communication, and scalable system design.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Honeywell |
| Model | 900R08-0300 |
| Product Type | HC900 8-Slot I/O Rack |
| System Compatibility | Honeywell HC900 / ControlEdge HC900 |
| Slot Capacity | 8 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 × 419.1 × 151.7 mm |
| Weight | 3.126 kg |
| Mounting Type | Control cabinet / panel mounted |
| Material | Industrial-grade metal housing |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 70°C |
| Humidity | 5%–95% non-condensing |
| Application | Industrial automation and process control |
Function and Working Principle
The Honeywell 900R08-0300 operates as a modular I/O expansion platform within HC900 systems.
Its working principle includes:
- Providing 8 dedicated slots for HC900 I/O modules
- Enabling high-speed communication via integrated backplane
- Distributing system power to all installed modules
- Supporting real-time signal exchange with the controller
- Allowing flexible system expansion and reconfiguration
This structure ensures efficient integration between field devices and the central control system.
Role in Industrial Control Systems
Within HC900 architecture, this rack acts as a central I/O expansion unit, connecting field instrumentation to the control platform.
It supports installation of:
- Digital input modules
- Digital output modules
- Analog input modules
- Analog output modules
- Communication interface modules
It is widely used in modular and scalable distributed control systems.
Industrial Applications
The Honeywell 900R08-0300 is widely used in:
- Distributed Control Systems (DCS)
- Oil and gas production facilities
- Petrochemical processing plants
- Power generation systems
- Water and wastewater treatment plants
- Industrial manufacturing automation
It is suitable for medium-scale industrial automation systems requiring flexible I/O expansion.
Installation and System Integration
Proper installation ensures reliable performance:
- Installed inside industrial control cabinets
- Mounted on panel or rack structures
- I/O modules inserted into 8 available slots
- Connected via integrated backplane system
- Requires proper grounding and cable management
Correct installation ensures stable communication and long-term system reliability.
Compatible System Components
The 900R08-0300 rack works with:
- Honeywell HC900 controllers
- Digital input/output modules
- Analog I/O modules
- Communication modules
- HC900 power supply units
- System backplane assemblies
It serves as a key structural and communication foundation for HC900 systems.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 900R01-0300 | HC900 Rack | Compact rack design | Small systems |
| 900R08-0101 | HC900 8-slot rack | Standard revision | General automation |
| 900R08-0200 | HC900 8-slot rack | Alternative version | Standard systems |
| 900R12-0300 | HC900 Rack | Higher capacity | Large-scale systems |
| 900R08R-0300 | Redundant rack | Redundant power support | Critical systems |
Key Advantages
- 8-slot modular expansion design
- Stable backplane communication system
- Strong industrial-grade mechanical structure
- Supports multiple I/O module types
- Easy system scalability
- Designed for continuous industrial operation
Technical FAQs
What is the main function of the 900R08-0300 rack?
It provides a modular platform for installing and connecting HC900 I/O modules.
How many modules can it support?
It supports up to 8 I/O modules depending on configuration.
Does it handle communication between modules?
Yes, communication and power distribution are handled via the integrated backplane.
Is it suitable for industrial environments?
Yes, it is designed for harsh and continuous industrial operation.
Conclusion
The Honeywell 900R08-0300 HC900 8-Slot I/O Rack is a critical structural component in industrial automation systems. It enables modular expansion, stable communication, and reliable integration of I/O modules within HC900 architectures.
For engineers and system integrators, this rack provides a scalable and durable foundation for building efficient and high-performance control systems in demanding industrial environments.