Product Details
Configured for high-density data processing in TDC 2000 architectures, the Honeywell 4DP7APXDH111 (4DP7APXDH111 Circuit Board) provides direct physical/electrical execution of process control logic and bus communication tasks across system backplane assemblies.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 4DP7APXDH111 |
| Brand | Honeywell |
| Origin | USA |
| Weight | Standard card assembly weight |
| Dimensions | Standard TDC 2000 rack card footprint |
| Operating Temp | 0 to +60 deg C |
| Power Consumption | Backplane-supplied DC power |
| Module Type | Process Interface Unit (PIU) / Control Circuit Board |
| System Compatibility | Honeywell TDC 2000 DCS |
| Connector Type | Gold-plated edge connector |
| Mounting Type | Rack mount / Card cage slot |
4-20 mA HART Loop Protocol and Channel-to-Channel Isolation
The board features dedicated channel-to-channel isolation networks engineered to prevent ground potential differentials and common-mode noise from corrupting low-level process signals. Optocoupler stages decouple field loop excitation circuits from internal backplane data buses, preserving signal integrity across 4-20 mA HART and analog input paths. The layout maintains noise immunity and sub-millisecond signal conditioning response times within high-density Process Interface Unit racks.
Frequently Asked Questions
Q: What primary mounting configuration does the 4DP7APXDH111 circuit board require?
A: The board mounts directly into designated card slots within Honeywell TDC 2000 process interface card cages, connecting via its gold-plated edge connector.
Q: Is external power wiring required for module operation?
A: No direct power connection is required; internal operating voltages are drawn directly from the chassis backplane power rail upon seating the edge connector.
Field Installation Guidelines
- De-energize cabinet backplane power before inserting or removing the circuit board assembly from the rack slot.
- Align board card edges with the upper and lower plastic guide rails inside the TDC 2000 card cage.
- Slide the module inward until the gold edge connector firmly engages with the backplane receptacle.
- Fasten front retaining screws to maintain mechanical chassis ground bonding and shield against ambient vibration.
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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