{"product_id":"emerson-kj3225x1-ba1-rtd-resistance-input-card","title":"Emerson KJ3225X1-BA1 RTD \/ Resistance Input Card","description":"\u003cp\u003eThe \u003cstrong\u003eEmerson KJ3225X1-BA1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eKJ3225X1-BA1\u003c\/strong\u003e RTD \/ Resistance Input Card, operates as a dedicated hardware component for temperature sensor signal digitization within DeltaV automation platforms.\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\u003eKJ3225X1-BA1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpare Part Number\u003c\/td\u003e\n\u003ctd\u003e12P4174X052\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEmerson\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\u003e0.18 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e4.1 cm x 12.5 cm x 10.5 cm (Estimated Shipping Size)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial enclosure environmental parameters apply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSystem carrier bus backplane current limits apply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRTD \/ Resistance Input Cards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Interfacing\u003c\/td\u003e\n\u003ctd\u003eResistance Temperature Detector (RTD) and Ohm variables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control System Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA HART Loop Protocol Integration\u003c\/strong\u003e While configured primarily for resistance elements, the underlying channel processing layer aligns with standard process database variables. The module translates physical input steps directly into standardized engineering units, updating the central controller parameter tables in synchronization with standard analog loop execution cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold Junction Compensation (CJC) and Field Disconnect Verification\u003c\/strong\u003e The analog processing firmware runs continuous sensor-line diagnostics to detect open-circuit and short-circuit faults across connected fields. Ohmic calculation matrices compensate for terminal resistance variances, maintaining data tracking accuracy across long field wire runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-Channel Isolation Performance\u003c\/strong\u003e The electrical input channels incorporate internal galvanic isolation fields to block high-frequency common-mode noise. This protection layout isolates external electrical surges, keeping background cross-talk away from sensitive analog-to-digital conversion blocks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the KJ3225X1-BA1 card support live hot-swap insertion within an active DeltaV carrier rail?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The card mechanical framing uses sequenced contact pins that authorize hot-swap replacement while the carrier rack is energized. The host controller detects the physical module transition and reloads the channel configuration variables without requiring a system restart.\u003c\/p\u003e\n\u003cp\u003eQ: What resistance sensor configurations are supported by the input termination points?\u003c\/p\u003e\n\u003cp\u003eA: The card configuration firmware accepts multiple high-precision RTD wire types, including 2-wire, 3-wire, and 4-wire resistance layouts. The 3-wire and 4-wire installation topologies use active lead-wire compensation algorithms to eliminate copper line resistance errors.\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":45090779398259,"sku":"KJ3225X1-BA1","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-06-11_10-26-25.png?v=1781147581","url":"https:\/\/www.dcssupplier.com\/products\/emerson-kj3225x1-ba1-rtd-resistance-input-card","provider":"DcsSupplier Limited","version":"1.0","type":"link"}