Product Details
Configured for slot physical protection and environmental sealing in ControlEdge HC900 rack assemblies, the Honeywell 900TNF-0101 (900TNF Terminal Cover) provides direct physical/electrical execution. Constructed from UL94-V0 flame-retardant industrial thermoplastic, the clip-on cover seals empty I/O backplane positions against ingress of airborne particulates, conductive dust, and ambient moisture. The snap-in mechanical chassis structure maintains backplane channel isolation and shielding integrity across operational temperature extremes from -40 to +70 deg C without requiring mounting tools.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 900TNF-0101 |
| Brand | Honeywell |
| Origin | USA |
| Weight | Approx. 0.5 kg |
| Dimensions | Approx. 100 mm x 60 mm x 30 mm |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | Passive physical component (0 W) |
| Housing Material | Industrial-grade thermoplastic (UL94-V0 flame retardant) |
| System Compatibility | ControlEdge HC900 I/O racks |
| Ingress Protection | IP65 rated enclosure seal |
| Humidity Range | 5% to 95% RH, non-condensing |
| Mounting Type | Tool-less snap-in rack mount |
Channel-to-Channel Isolation & DCS Field Interfacing
The Honeywell 900TNF-0101 terminal cover prevents ambient cross-talk and physical degradation along exposed backplane connector pins in unpopulated controller slots. By maintaining an IP65 ingress barrier across empty I/O positions, the cover eliminates stray moisture and airborne particulate paths that could degrade local dielectric properties. Preserving a clean electrical environment on adjacent active slots prevents impedance drift and signal degradation across high-density analog processing cards handling 4-20 mA HART loop protocol field telemetry and low-voltage sensor lines.
Frequently Asked Questions
Q: Does the installation or removal of the 900TNF-0101 filler cover require special tools or system power removal?
A: No, the snap-in mechanical assembly allows tool-less insertion and extraction directly onto empty rack slots without disrupting adjacent energized backplane channels.
Q: What environmental rating does the 900TNF-0101 maintain over empty backplane slots?
A: The cover provides an IP65 rating, shielding internal backplane connector contacts against dust ingress and low-pressure water streams.
Field Installation Guidelines
- Align the 900TNF-0101 cover squarely over the unpopulated I/O slot position on the ControlEdge HC900 rack guide rails.
- Press the cover firmly inward until top and bottom snap-fit retention latches engage into the chassis frame.
- Ensure all perimeter sealing lips seat flush against adjacent module edges to preserve the IP65 environmental seal.
- Store removed filler covers in a dust-free enclosure to prevent contamination of internal latching surfaces prior to re-use.
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.































