ProductPRODUCT
Featured products
Contact Us
- Honeywell
- 900R04-0200
- 4-Slot I/O Rack
- USA
- 137 x 266.7 x 151.7 mm
- 2.104 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 17
Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
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.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |
Product Overview
The Honeywell 900R04-0200 HC900 4-Slot I/O Rack is an industrial modular backplane chassis used in the ControlEdge HC900 distributed control system.
It is designed to provide mechanical mounting, electrical backplane communication, and power distribution for HC900 I/O modules. The rack allows engineers to build compact and scalable automation systems by inserting analog, digital, and communication modules into a structured platform.
This 4-slot rack is commonly used in small to mid-sized process control applications or distributed I/O architectures.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Honeywell |
| Model | 900R04-0200 |
| Product Type | 4-Slot I/O Rack |
| System Series | ControlEdge HC900 |
| Slot Capacity | 4 I/O module slots |
| Supported Modules | Analog I/O, Digital I/O, Communication modules |
| Backplane Function | Power + communication distribution |
| Input Voltage | 24 VDC (system-dependent supply via power module) |
| Power Distribution | Integrated backplane power routing |
| Mounting Type | Panel/DIN rail mounted (system configuration dependent) |
| Operating Environment | Industrial automation systems |
| Operating Temperature | -20°C to +70°C (typical industrial range) |
| Humidity | 5%–95% non-condensing |
| Dimensions | 137 × 266.7 × 151.7 mm |
| Weight | 2.104 kg |
Function and Working Principle
The 900R04-0200 rack functions as the physical and electrical backbone of the HC900 I/O subsystem.
It is responsible for:
- Providing mechanical housing for up to 4 I/O modules
- Distributing system power to installed modules
- Enabling high-speed backplane communication
- Maintaining signal integrity between modules and controller
- Supporting modular expansion of control systems
Each installed module communicates through the backplane directly with the HC900 CPU or I/O scanning system.
System Role in Architecture
The Honeywell 900R04-0200 plays a structural and communication backbone role in HC900 systems.
It is typically used for:
- Distributed I/O installations near field equipment
- Compact automation panels
- Small process control subsystems
- Modular expansion of larger HC900 architectures
- Remote I/O segmentation in industrial plants
It does not perform control or logic processing, but it is essential for system organization and scalability.
Industrial Applications
- Oil and gas processing systems
- Petrochemical and refining plants
- Power generation auxiliary systems
- Water and wastewater treatment units
- Chemical dosing and control skids
- Packaging and manufacturing machines
- HVAC and building automation subsystems
Installation & Integration
Proper installation ensures reliable operation:
- Mounted inside industrial control cabinets
- Connected to HC900 power supply modules
- Supports plug-in installation of I/O modules
- Requires proper grounding and shielding practices
- Integrated with HC900 controller via backplane communication
- Configured during system commissioning
Compatible Components
- Honeywell HC900 CPU modules (C50, C70, C75 series)
- Digital input/output modules
- Analog input/output modules
- Communication interface modules
- HC900 power supply modules (e.g., 900P24 series)
- Remote I/O scanning modules
Recommended Alternative Models
| Model | Type | Application |
|---|---|---|
| 900R08 series | 8-slot rack | Larger system expansion |
| 900R04-0300 | Updated rack version | Improved revision |
| Distributed remote I/O bases | Networked architecture | Modern systems |
| PLC modular backplanes | Generic alternative | Multi-vendor systems |
| DCS I/O chassis systems | Advanced process plants | High-scale automation |
Key Advantages
- Compact 4-slot modular design
- Integrated power and communication backplane
- Flexible I/O module configuration
- Strong mechanical stability for industrial use
- Scalable architecture for HC900 systems
- Supports mixed I/O module types
- Reliable operation in harsh environments
FAQs
Q1: What is the main function of this rack?
It holds and connects HC900 I/O modules while providing power and communication.
Q2: Does it process control logic?
No, it only supports I/O module operation and communication.
Q3: How many modules can it hold?
It supports up to 4 I/O modules.
Q4: What systems use it?
Honeywell ControlEdge HC900 automation systems.
Q5: Why is it important?
It forms the structural and communication base for modular I/O systems.
Conclusion
The Honeywell 900R04-0200 4-Slot I/O Rack is a fundamental infrastructure component in HC900 control systems. It enables modular expansion, reliable communication, and stable power distribution for I/O modules, making it essential for scalable industrial automation architectures.