Product Details
Configured for dual-port coaxial network drop connections in TDC 3000 Universal Control Network (UCN) architectures, the Honeywell 51201394-100 (51201394-100 UCN 2-Port Drop Tap Kit) provides direct physical/electrical execution. It establishes isolated 75-ohm impedance-matched signal paths between active UCN trunk cables and local DCS node interface modems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51201394-100 |
| Brand | Honeywell |
| Origin | USA |
| Operating Temp | -20 deg C to 60 deg C |
| Power Consumption | Passive Component |
| Connectors | Dual BNC (75-ohm) |
| Impedance | 75 Ohms |
| Network Ports | 2 isolated drop connections |
| Mounting Type | Panel or DIN rail mount |
| Housing Material | Shielded metal enclosure |
| System Compatibility | Honeywell TDC 3000 Universal Control Network (UCN) |
Channel-to-Channel Isolation and Network Signal Conditioning
The Honeywell 51201394-100 utilizes transformer-coupled drop port circuitry to maintain galvanic isolation between the main UCN trunk line and attached controller drop cables. This prevents ground loop currents from interfering with high-speed serial token-passing protocols across the TDC 3000 system. When operating alongside marshalling panels that route 4-20 mA HART loop protocol signals, the shielded metal housing rejects external electromagnetic noise to preserve 75-ohm RF signal integrity and minimize attenuation.
Frequently Asked Questions
Q: Does the 51201394-100 tap kit require an external power supply to operate?
A: No, the 51201394-100 is a passive physical-layer network coupling assembly that requires no external DC or AC power input.
Q: What cable impedance must be matched when connecting field drop lines to the BNC ports?
A: The drop ports are matched to standard 75-ohm coaxial cabling to prevent RF signal reflections on the Universal Control Network.
Field Installation Guidelines
- Inspect BNC connectors and the shielded metal enclosure for mechanical integrity before mounting.
- Secure the tap housing firmly to the enclosure backpanel or DIN rail to establish a solid frame ground connection.
- Terminate main UCN trunk cables and drop lines using high-grade 75-ohm BNC connectors.
- Torque BNC bayonet locks completely to ensure uninterrupted shielding and signal coupling across both ports.
- Maintain physical separation between coaxial drop runs and high-voltage AC power wiring inside the cabinet.
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.
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