Product Details
The Honeywell 51304717-100, also cataloged as the 51304717 Galvanic Isolator Module, operates as a dedicated hardware component for signal isolation and electrical noise decoupling within Honeywell High Level Analog Input (HLAI) and Smart Transmitter Interface (STI) sub-assemblies.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51304717-100 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.42 lbs (0.19 kg) |
| Dimensions | Standard rack-mount isolator slot form factor |
| Operating Temp | -20 deg C to +70 deg C |
| Power Consumption | Passive isolator bus draw |
| Isolation Voltage | Up to 500 VAC channel-to-system isolation |
| Signal Response Time | Less than 1 ms |
| System Compatibility | Honeywell TDC 3000 / Experion PKS Chassis Assemblies |
Process Control Isolation and Signal Integrity
The 51304717-100 module provides galvanic isolation up to 500 VAC to maintain signal integrity across analog field measurement loops. Designed to interface directly with High Level Analog Input (HLAI) networks and 4-20 mA HART loop protocol transmitters, the circuit architecture suppresses common-mode noise and prevents cross-channel ground loop circulation. The high-speed switching response of less than 1 ms preserves process variable dynamics without phase lag, protecting backplane logic from field-side voltage surges.
Frequently Asked Questions
Q: Does the 51304717-100 isolator support hot-swapping during active rack operations?
A: Yes, provided field loop power is isolated or channel loops are switched to manual control prior to module extraction to avoid transient trips on adjacent channels.
Q: How does the 500 VAC isolation rating affect process analog signal accuracy?
A: The galvanic barrier eliminates ground loop currents between field instrument earth grounds and DCS reference grounds, preventing measurement drift and ensuring precision signal conversion.
Field Installation Guidelines
- Chassis Mounting: Align the isolator module along the guide rails of the HLAI/STI termination card file and press firmly until the backplane connectors fully seat.
- Shield Grounding: Connect all analog instrument cable shields to the dedicated cabinet instrument ground bus, ensuring single-point grounding to avoid earth loops.
- Wiring Separation: Route field I/O loop cables in dedicated low-voltage wire raceways, physically separated from high-current AC power distribution lines.
- Inspection & Fastening: Verify that all locking clips or captive screws are fully tightened to secure the module against cabinet 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.
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