Product Details
The Honeywell 51304421-200, also cataloged as the 51304421 PLCG Relay Panel Card, operates as a dedicated hardware component for relay output switching and programmable logic controller gateway interface execution within Honeywell TDC 3000 systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51304421-200 |
| Brand | Honeywell |
| Origin | USA |
| Weight | Approx. 0.85 kg |
| Operating Temp | 0 deg C to +60 deg C |
| Power Consumption | Max. 10 W via chassis backplane supply |
| Module Type | PLCG Relay Panel Card / Circuit Board |
| System Compatibility | Honeywell TDC 3000 / PLCG Gateway |
| Signal Output | Multi-channel discrete relay switching outputs |
| Mounting Type | Chassis / Rack Mount |
4-20 mA HART Loop Protocol and Channel-to-Channel Isolation
The 51304421-200 relay panel card incorporates high-dielectric isolation barriers between internal logic controls and switching channels to enforce channel-to-channel isolation across all output paths. This isolation prevents field inductive kickback, voltage surges, and common-mode transients from corrupting adjacent system buses or interfering with analog loops processing 4-20 mA HART loop protocol telemetry in shared process control enclosures.
Frequently Asked Questions
Q: What is the primary function of the 51304421-200 in a TDC 3000 architecture?
A: The board provides relay output switching control and signal interfacing between the Programmable Logic Controller Gateway (PLCG) and connected field devices or intermediate terminal assemblies.
Q: Can the 51304421-200 board be hot-swapped while the rack backplane is powered?
A: No, backplane power to the PLCG rack section must be de-energized or field outputs bypassed prior to removing or inserting the card to prevent voltage arcs and logic reset faults.
Q: How is field cabling interfaced to the 51304421-200 circuit board?
A: Cabling connects via dedicated multi-pin edge headers or interface ribbon harnesses linked to adjacent field termination assemblies.
Field Installation Guidelines
- Ensure backplane supply power is isolated and locked out before seating the circuit card into the rack slot.
- Observe static discharge protocols and wear an ESD grounding wrist strap during physical handling.
- Verify male edge-connector contacts are clean and free of oxidation before inserting the board into the card cage.
- Fasten front-panel retaining screws securely to ensure proper mechanical ground continuity with the cabinet chassis.
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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