Honeywell 900R04-0200 HC900 Series 4-Slot I/O Racks
Manufacturer: Honeywell
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Part Number: 900R04-0200
Condition：New with Original Package
Product Type: I/O Racks
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Honeywell 900R04-0200 HC900 Series 4-Slot I/O Rack
The Honeywell 900R04-0200 serves as the primary 900R04 4-slot I/O Rack utilized to execute backplane bus communication velocity and power distribution across Honeywell HC900 and ControlEdge HC900 platforms. The hardware chassis provides the structural foundation and internal data traces required to interface external input/output modules with the centralized controller processors.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 900R04-0200 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 2-4 kg depending on configuration |
| Dimensions | 13.7 x 26.67 x 15.17 cm |
| Operating Temp | -20 to +60 deg C |
| Storage Temp | -40 to +85 deg C |
| Power Consumption | Passive chassis backplane (draw dictated by installed modules) |
| Number of Slots | 4 dedicated I/O slots |
| Supported Modules | Analog I/O, digital I/O, communication cards |
| Power Supply Compatibility | Honeywell 900P01-0501, 900P02-0201 PSU modules |
| Humidity Range | 5% - 95% non-condensing |
| Certifications | CE |
Backplane Communication Velocity and Power Distribution
The chassis integrates a multi-layer copper backplane assembly engineered to optimize the internal data bus communications between the control processor and peripheral architecture. This circuit pattern delivers high-velocity signal transmission while suppressing electromagnetic cross-talk between high-density analog and discrete channels. Parallel power traces distribute regulated voltages from the mounted power supply module to all four active expansion slots, maintaining voltage rail stability under full module load profiles.
Frequently Asked Questions
Q: Which power supply units interface directly with the 900R04-0200 backplane?
A: The passive backplane architecture accepts Honeywell 900P01-0501 and 900P02-0201 power supply modules to generate the internal rails needed for the rack components.
Q: Can analog and discrete communication cards be mixed within the four slots?
A: Yes, the integrated backplane bus supports arbitrary slot placement for any approved HC900 Series analog I/O, digital I/O, or dedicated network communication modules.
Q: Does the rack require independent grounding from the installed modules?
A: The chassis framework must be grounded to a low-impedance master instrument ground bus to establish a continuous path for shield terminations and surge currents.
Field Installation Guidelines
- Grounding Execution: Secure a dedicated grounding strap from the chassis grounding terminal to the master enclosure copper ground bar, ensuring all paint or oxidation is cleared at the point of contact.
- Vertical Clearance: Maintain a minimum clearance of 50 mm above and below the rack assembly within the enclosure to ensure unhindered thermal convection from the installed modules.
- Module Insertion: Insert modules vertically along the plastic guide rails, pressing firmly until the rear connector seats into the backplane pin assembly before locking the mechanical retention screws.