{"product_id":"p0902xb-fbm42-foxboro-i-a-series-32-channel-analog-input-module","title":"P0902XB FBM42 Foxboro I\/A Series 32-Channel Analog Input Module","description":"\u003ch2\u003eFoxboro P0902XB FBM42 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-density signal conversion in Foxboro I\/A Series platforms, the \u003cstrong\u003eFoxboro P0902XB\u003c\/strong\u003e (\u003cstrong\u003eFBM42\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution.\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\u003eFBM42 (P0902XB)\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\u003e0.35 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e45 x 105 x 115 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive bus backplane load (24 VDC redundant power input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e32 isolated analog input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Range\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.1% of span (Typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16-bit A\/D conversion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-channel and channel-to-system isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Protection\u003c\/td\u003e\n\u003ctd\u003eIP65 rating with G3 conformal coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe module processes 32 independent 4-20 mA DC transmitter inputs via internal 16-bit analog-to-digital converters, digitizing process variables for transmission across the system backplane. Galvanic channel-to-channel isolation decouples each signal loop electrically, preventing common-mode voltage spikes and ground loop currents from propagating between adjacent channels or to the primary control processor. If an open-circuit fault or field line breakdown occurs on a single loop, internal isolation circuits contain the failure locally, preserving signal processing accuracy on the remaining 31 channels.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can a single 32-channel FBM42 (P0902XB) consolidate inputs from two 16-channel modules?\u003c\/p\u003e\n\u003cp\u003eA: Consolidation is fully supported provided the field termination assembly (TA) and system control software database are configured to map the expanded 32-channel address space correctly.\u003c\/p\u003e\n\u003cp\u003eQ: How does the FBM42 execute hardware failover in redundant baseplate setups?\u003c\/p\u003e\n\u003cp\u003eA: When deployed as a dual-module pair on a redundant baseplate, both units track active 4-20 mA input signals simultaneously; if the primary unit triggers internal diagnostic faults, the secondary unit maintains input data flow without data loss.\u003c\/p\u003e\n\u003cp\u003eQ: What physical diagnostics monitor the integrity of the input loops?\u003c\/p\u003e\n\u003cp\u003eA: Integrated diagnostic logic executes continuous self-tests to identify hardware anomalies and detects open-circuit wiring faults, reporting channel status through front-panel LED indicators and backplane system alarms.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the module directly into the target slot of a standard Foxboro I\/A Series baseplate, pressing firmly until the rear edge connectors seat completely and the retaining mechanical latches snap into place. Confirm that the field cabinet environment maintains temperature levels within the rated -40 to +70 deg C window and satisfies IP65 physical enclosure conditions.\u003c\/p\u003e\n\u003cp\u003eRoute 4-20 mA current loop wiring through dedicated cable trays, maintaining physical separation from high-voltage power lines and heavy inductive switching circuits to avoid noise coupling. Terminate field wiring at the corresponding termination assembly, torquing screw terminals to standard specification. Connect overall cable shields to a single safety earth bus bar at the cabinet entry panel to preserve 16-bit A\/D signal resolution.\u003c\/p\u003e","brand":"Foxboro","offers":[{"title":"Default Title","offer_id":43096517050458,"sku":"FBM42 P0902XB","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/308.jpg?v=1774259324","url":"https:\/\/www.spareoil.com\/products\/p0902xb-fbm42-foxboro-i-a-series-32-channel-analog-input-module","provider":"SpareOil Automation","version":"1.0","type":"link"}