Product Details
Configured for physical module holding and backplane bus signal distribution in Honeywell ControlEdge HC900 systems, the Honeywell 900R04-0200 (900R04 I/O Rack) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 900R04-0200 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 3.63 kg (8.00 lbs) |
| Dimensions | Standard 4-slot HC900 rack enclosure footprint |
| Operating Temp | 0 to 60 deg C (Storage: -40 to 85 deg C) |
| Power Consumption | Backplane power distributed from HC900 power supply |
| Slot Capacity | 4 I/O module slots |
| Backplane Bus | High-speed inter-module communication bus |
| Mounting Type | Panel mount / DIN-rail installation options |
| Product Category | PLCs/Machine Control / PLC Module/Rack |
Channel-to-Channel Isolation & DCS System Integration
The 900R04-0200 rack housing provides electrical power rail distribution and high-speed data bus connectivity across 4 I/O module slots. Built to interface with discrete and analog field modules processing 4-20 mA HART loop protocol instruments, the backplane architecture incorporates ground isolation planes to maintain signal integrity. Channel-to-channel isolation on installed I/O cards prevents noise coupling across adjacent slots during high-density process execution.
Frequently Asked Questions
Q: Does the 900R04-0200 rack supply field power directly to connected I/O cards?
A: No, the rack backplane routes logic power from the central HC900 power supply module, while field-side loop power must be wired directly to the respective I/O terminal blocks.
Q: Can I replace an I/O card in one of the 4 slots while the system remains powered?
A: Hot-swapping depends on the controller platform operating configuration; module insertion or removal under power must follow HC900 system rules to prevent backplane bus communication faults.
Q: How is chassis grounding established across all 4 module slots?
A: Grounding is maintained via integrated backplane grounding connections and heavy-duty frame contact tabs that bond each installed module to the main rack ground terminal.
Field Installation Guidelines
- Mount the rack chassis securely to an earthed metal enclosure panel using standard mounting hardware to ensure low-impedance grounding.
- Maintain adequate vertical clearance above and below the rack for unhindered convection cooling airflow.
- Route field wiring trunks away from the backplane region to prevent high-voltage AC cables from inducing noise into low-level digital/analog signal lines.
- Verify that the system power supply and ground bonds are correctly terminated before inserting I/O modules into any of the 4 rack slots.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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