{"product_id":"fe-usi-0002-honeywell-universal-safety-interface-module-experion-pks","title":"FE-USI-0002 Honeywell Universal Safety Interface Module Experion PKS","description":"\u003cp\u003eConfigured for high-fidelity low-level field signal acquisition and conversion in Experion PKS logic solvers, the \u003cb\u003eHoneywell FE-USI-0002\u003c\/b\u003e (\u003cb\u003eFE-USI-0002\u003c\/b\u003e Universal Safety Interface Module) provides direct physical\/electrical execution. This DIN-rail mounted module conditions inputs from thermocouples (Types J, K, T, E, R, S, B, N), Pt100 RTDs, and millivolt sources into isolated 4-20 mA current outputs. Integrated galvanic isolation suppresses ground loops and high-frequency electromagnetic interference to maintain signal integrity in Safety Instrumented Systems (SIS).\u003c\/p\u003e\n\u003ch3\u003eModel Variant Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFE-USI-0002\u003c\/b\u003e: Standard universal safety interface hardware unit featuring galvanic isolation, IP66 enclosure, and universal sensor terminal processing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFE-USI-0002-C\u003c\/b\u003e: Conformal-coated circuit board assembly designed for elevated chemical resistance in harsh atmospheric environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCore Physical and Technical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFE-USI-0002\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHoneywell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.68 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.5 x 22.7 x 17.5 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40 to +85 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.5 W maximum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSensor Inputs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eThermocouples (J, K, T, E, R, S, B, N), RTD (Pt100), mV\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutput Signal\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGalvanically isolated 4-20 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAccuracy\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.1% full-scale\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEnclosure Rating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP66\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard 35 mm DIN-rail\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCold Junction Compensation and Channel Isolation Features\u003c\/h3\u003e\n\u003cp\u003eThe module incorporates hardware-based cold junction compensation (CJC) for high-temperature thermocouple loops. Internal galvanic barriers isolate field-side sensor terminals from backplane electronics and output driver circuits up to 1500 V RMS. This prevents common-mode voltage spikes and high-frequency noise from degrading the analog-to-digital processing path during plant line disturbances.\u003c\/p\u003e\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Honeywell FE-USI-0002 Universal Safety Interface Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Removable Terminal Block Set\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x DIN-Rail Mounting Bracket Clip Kit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Integration and Wiring Manual\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDIN-Rail Mounting\u003c\/b\u003e: Secure the module vertically onto a grounded 35 mm DIN rail. Ensure a minimum clearance of 50 mm above and below the chassis for natural convection cooling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eShield Grounding\u003c\/b\u003e: Terminate overall cable shields at a single earth ground bar near the enclosure entry point. Do not ground field shields at both ends to prevent ground loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePower Connections\u003c\/b\u003e: Connect external 24 VDC loop power using 18 AWG to 14 AWG stranded copper wire. Torque terminal screws to 0.5 Nm.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSensor Wiring\u003c\/b\u003e: Keep thermocouple and RTD signal leads separated from high-voltage AC lines by at least 300 mm to reduce inductive noise coupling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWhat sensor types are natively supported by the input terminals?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe module directly accepts inputs from thermocouples (Types J, K, T, E, R, S, B, and N), 3-wire or 4-wire Pt100 RTDs, and low-level DC millivolt signals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWhat is the overall signal conversion accuracy?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe analog acquisition circuit maintains a full-scale conversion accuracy within 0.1% across the calibrated operating range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDoes the module support hot-swapping under live power?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eHot-swapping requires verifying local hazardous area classifications and isolating loop power prior to disconnecting the terminal block assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHow is the field wiring isolated from the system electronics?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eIntegral galvanic isolation barriers separate the field-side input circuitry from the processing logic and 4-20 mA output stages.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWhat environmental rating does the enclosure meet?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe ruggedized module chassis is rated to IP66 standards for dust ingress protection and resistance to high-pressure water jets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWhat is the operational temperature envelope?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe hardware is rated for continuous, un-cooled operation in ambient field temperatures ranging from -40 deg C to +85 deg C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHow is cold junction compensation handled for thermocouple inputs?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eCold junction compensation is executed via internal temperature sensors located at the input terminal connections to offset ambient temperature drift.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWhat mechanical mounting infrastructure is required?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe unit mounts directly to standard 35 mm DIN-rail hardware inside protective field enclosures or system cabinets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45518930673837,"sku":"FE-USI-0002","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/FE-USI-0002-1.jpg?v=1790150616","url":"https:\/\/www.maxwellplc.com\/products\/fe-usi-0002-honeywell-universal-safety-interface-module-experion-pks","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}