{"product_id":"honeywell-51304717-100-hlai-sti-galvanic-isolator-module","title":"Honeywell 51304717-100 HLAI\/STI Galvanic Isolator Module","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 51304717-100\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51304717\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e51304717-100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.42 lbs (0.19 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard rack-mount isolator slot form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive isolator bus draw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003eUp to 500 VAC channel-to-system isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Response Time\u003c\/td\u003e\n\u003ctd\u003eLess than 1 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eHoneywell TDC 3000 \/ Experion PKS Chassis Assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Isolation and Signal Integrity\u003c\/h3\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 51304717-100 isolator support hot-swapping during active rack operations?\u003c\/p\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003cp\u003eQ: How does the 500 VAC isolation rating affect process analog signal accuracy?\u003c\/p\u003e\n\u003cp\u003eA: The galvanic barrier eliminates ground loop currents between field instrument earth grounds and DCS reference grounds, preventing measurement drift and ensuring precision signal conversion.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Mounting:\u003c\/strong\u003e Align the isolator module along the guide rails of the HLAI\/STI termination card file and press firmly until the backplane connectors fully seat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding:\u003c\/strong\u003e Connect all analog instrument cable shields to the dedicated cabinet instrument ground bus, ensuring single-point grounding to avoid earth loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Separation:\u003c\/strong\u003e Route field I\/O loop cables in dedicated low-voltage wire raceways, physically separated from high-current AC power distribution lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspection \u0026amp; Fastening:\u003c\/strong\u003e Verify that all locking clips or captive screws are fully tightened to secure the module against cabinet vibration.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53581659799861,"sku":"51304717-100","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/51304717-100.png?v=1789441566","url":"https:\/\/www.5gplc.com\/products\/honeywell-51304717-100-hlai-sti-galvanic-isolator-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}