{"product_id":"foxboro-fbm03-p0400yd-i-a-series-rtd-input-module","title":"Foxboro FBM03 P0400YD I\/A Series RTD Input Module","description":"\u003ch2\u003eFoxboro FBM03 P0400YD RTD Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for resistance-based temperature signal acquisition in Foxboro I\/A Series DCS environments, the \u003cstrong\u003eFoxboro FBM03 P0400YD\u003c\/strong\u003e (\u003cstrong\u003eFBM03\u003c\/strong\u003e RTD Input Interface Module) provides direct physical\/electrical execution across eight independent channels over a 0 to 320 ohm measurement span.\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\u003eFBM03 P0400YD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eFoxboro \/ Schneider Electric\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\u003e1.00 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 100 Series FBM Chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e13 W maximum (26 to 42 VDC via baseplate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 Group-Isolated RTD Input Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRTD Wiring\u003c\/td\u003e\n\u003ctd\u003e2-wire, 3-wire, or 4-wire platinum and nickel RTDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance Range\u003c\/td\u003e\n\u003ctd\u003e0 to 320 ohm per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Excitation Current\u003c\/td\u003e\n\u003ctd\u003e0.75 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Resolution\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.025% of span\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eRedundant proprietary Fieldbus at 268 kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Platform\u003c\/td\u003e\n\u003ctd\u003eFoxboro I\/A Series DCS (100 Series Architecture)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and Signal Isolation\u003c\/h3\u003e\n\u003cp\u003eGroup isolation separates external field sensor circuits from internal logic components to eliminate potential earth loops and common-mode transients across industrial plant wiring. Operating within process environments alongside 4-20 mA HART loop protocol instruments, the module delivers a regulated 0.75 mA DC sensor excitation current to limit self-heating errors in Platinum and Nickel RTDs. The integrated 12-bit analog-to-digital converter continuously scans all eight channels, providing automated open-sensor and broken-wire fault detection to ensure deterministic signal delivery across dual 268 kbps fieldbus paths.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the FBM03 support hot-swapping while the baseplate is powered?\u003c\/p\u003e\n\u003cp\u003eA: No, as a legacy 100 Series Fieldbus Module, the system supply power to the baseplate must be fully de-energized prior to removing or inserting the unit.\u003c\/p\u003e\n\u003cp\u003eQ: How does 3-wire and 4-wire RTD wiring prevent measurement drift?\u003c\/p\u003e\n\u003cp\u003eA: 3-wire and 4-wire configurations allow internal bridge circuitry to measure and cancel lead-wire resistance over long cable runs, keeping accurate resistance readings across the 0 to 320 ohm input range.\u003c\/p\u003e\n\u003cp\u003eQ: What happens to the process variable signal when an RTD wire breaks?\u003c\/p\u003e\n\u003cp\u003eA: The module detects open circuit conditions and outputs a diagnostic fault status over the fieldbus to trigger system alarm states in the control software.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eAlign the module housing with the mounting slots on the 100 Series baseplate and secure the mechanical hold-down screws to establish positive electrical contact with the backplane bus connectors. Ensure cabinet main supply power is completely de-energized before mounting or servicing modules on the baseplate assembly. Connect a 14 AWG copper grounding strap from the baseplate ground lug to the cabinet earth reference bus bar.\u003c\/p\u003e\n\u003cp\u003eRoute RTD field wiring through dedicated low-voltage instrument raceways, keeping signal conductors separated from high-voltage AC cables. Terminate individual cable overall shields at the baseplate shield ground point using a single-ended grounding configuration to prevent circulating current loops. Technicians must wear an ESD wrist strap during handling and wiring connection procedures to prevent static discharge damage to circuit elements.\u003c\/p\u003e","brand":"Foxboro","offers":[{"title":"Default Title","offer_id":67651755802920,"sku":"FBM03 P0400YD","price":238.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/501..jpg?v=1790753906","url":"https:\/\/www.powerdcs.com\/products\/foxboro-fbm03-p0400yd-i-a-series-rtd-input-module","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}