{"product_id":"foxboro-n0309yk-isolated-2-wire-r-v-converter","title":"Foxboro N0309YK Isolated 2-Wire R\/V Converter","description":"\u003cp\u003eThe \u003cstrong\u003eFoxboro N0309YK\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eN0309YK\u003c\/strong\u003e Isolated 2-Wire R\/V Converter, operates as a dedicated hardware component for signal isolation and resistance\/voltage conversion within Foxboro DCS field interface loops. Configured for high-noise process environments, it converts 4-20 mA current loop input signals into isolated 0-10 VDC output signals across selectable voltage spans.\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\u003eN0309YK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eFoxboro\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\u003e0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e10 x 5 x 2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eLow power loop-powered configuration (0.5 W max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal\u003c\/td\u003e\n\u003ctd\u003e4-20 mA current loop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Spans\u003c\/td\u003e\n\u003ctd\u003e0-100 mV to 0-10 VDC (Special: 0-5 V, 0-15 V, 0-30 V, 0-60 V, 0-120 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e0-10 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.25% of span (+\/-0.1% linearity)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation \u0026amp; Protection\u003c\/td\u003e\n\u003ctd\u003eFull input-to-output isolation, reverse polarity protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eNEMA 4X (dustproof, waterproof, corrosion-resistant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and Loop Protocol Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe Foxboro N0309YK incorporates galvanic input-to-output isolation circuits to break ground loops and reject common-mode noise across 4-20 mA HART loop protocol lines. High-dielectric isolation barriers prevent voltage transients from compromising signal linearity, maintaining a +\/-0.25% accuracy across temperature variations while preventing thermal reference drift at cold junction compensation (CJC) points.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How is the N0309YK converter powered?\u003c\/p\u003e\n\u003cp\u003eA: The module utilizes a 2-wire loop-powered architecture, drawing operating current directly from the connected input loop without requiring external auxiliary AC power lines.\u003c\/p\u003e\n\u003cp\u003eQ: What protection features are integrated into the converter input terminals?\u003c\/p\u003e\n\u003cp\u003eA: The input circuitry includes reverse polarity protection alongside full input-to-output galvanic isolation to prevent reverse-wiring damage and electrical noise transfer.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the N0309YK enclosure onto a standard DIN rail or flat panel surface inside the control panel or field junction enclosure. For standalone outdoor installations, verify that the NEMA 4X housing cover screws and gland fittings are tightened securely to prevent moisture and corrosive gas ingress.\u003c\/p\u003e\n\u003cp\u003eRoute 4-20 mA signal conductors through grounded, shielded twisted-pair cables, keeping input wiring isolated from AC power conductors. Ensure that the cabinet grounding point bonds directly to the plant earth network and that panel conduit fittings maintain a minimum of 5 full threads of engagement on NPT connection ports.\u003c\/p\u003e","brand":"Foxboro","offers":[{"title":"Default Title","offer_id":53399397204277,"sku":"N0309YK","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/N0309YK.png?v=1787630391","url":"https:\/\/www.5gplc.com\/products\/foxboro-n0309yk-isolated-2-wire-r-v-converter","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}