{"product_id":"foxboro-p0922vw-fbm218-hart-analog-i-o-module","title":"Foxboro P0922VW FBM218 HART Analog I\/O Module","description":"\u003ch2\u003eFoxboro FBM218 P0927VW HART Analog I\/O Interface\u003c\/h2\u003e\n\u003cp\u003eConfigured for analog signal acquisition and HART device control in Foxboro Evo and I\/A Series platforms, the \u003cstrong\u003eFoxboro FBM218 P0922VW\u003c\/strong\u003e (\u003cstrong\u003eFBM218\u003c\/strong\u003e HART Analog I\/O Module) provides direct physical and electrical execution of process loops. The hardware converts 16 channels of 4-20 mA analog inputs via 12-bit A\/D conversion and drives 8 channel-isolated HART outputs over redundant 2 Mbps HDLC fieldbus links.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe module catalog code reflects specific hardware configuration and physical part number assignments:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFBM218\u003c\/strong\u003e: Base hardware architecture designating a 16-input \/ 8-output analog I\/O field bus module family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP0922VW\u003c\/strong\u003e: Specific manufacturing part number representing the primary module assembly with channel isolation and HART modem integration.\u003c\/li\u003e\n\u003c\/ul\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\u003eFoxboro FBM218 P0922VW\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\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.284 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e10.4 x 4.5 x 11.4 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eStandard Backplane Bus Load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHART Analog I\/O Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eFoxboro Evo \/ I\/A Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 analog (4-20 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e8 HART-enabled analog outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12-bit A\/D conversion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eDual-module fault-tolerant operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eRedundant 2 Mbps HDLC Fieldbus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHART Protocol \u0026amp; Channel Isolation Performance\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFoxboro FBM218 P0922VW\u003c\/strong\u003e integrates dedicated Frequency-Shift Keying (FSK) modems on each of its 8 output channels, facilitating simultaneous 4-20 mA current loop output and bidirectional digital HART command execution. Channel-to-channel and channel-to-bus galvanic isolation barriers withstand up to 600 VAC potential differences for one minute. This physical separation suppresses ground loop currents, insulates module processing logic from field transients, and maintains 4-20 mA HART loop protocol signal integrity across dense process control racks.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the FBM218 maintain output state continuity during a primary module fault in redundant configurations?\u003c\/p\u003e\n\u003cp\u003eA: In dual-module redundant pairings, the secondary tracking module continuously monitors backplane HDLC bus state data and master module diagnostic heartbeats. Upon master module fault detection, control transfer occurs automatically without step changes or disruptions to the 4-20 mA loop outputs.\u003c\/p\u003e\n\u003cp\u003eQ: Can non-HART analog transmitters connect directly to the 16 analog input channels?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The 16 analog input channels accept standard 4-20 mA current loops from conventional non-HART analog transmitters, converting signals through 12-bit A\/D converters at +\/-0.1% full-scale accuracy.\u003c\/p\u003e\n\u003cp\u003eQ: What physical isolation rating protects the module against field-side voltage surges?\u003c\/p\u003e\n\u003cp\u003eA: Every channel features galvanic isolation rated to withstand 600 VAC for one minute between channels, chassis ground, and internal module logic circuits.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eStrict adherence to grounding and installation practices preserves signal accuracy and isolation limits:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eSlide the module onto the designated baseplate position until the backplane connector latches fully engage the connector pins.\u003c\/li\u003e\n\u003cli\u003eTighten panel retaining screws firmly to establish mechanical grounding contact with the baseplate chassis ground rail.\u003c\/li\u003e\n\u003cli\u003eKeep field analog signal cabling segregated from high-voltage AC conductors inside cabinet wiring ducts to avoid inductive noise coupling.\u003c\/li\u003e\n\u003cli\u003eTerminate signal cable shield drain wires at a single point on the cabinet master instrument ground bus bar to eliminate ground loop currents.\u003c\/li\u003e\n\u003cli\u003eVerify that field loop power supply voltages and load resistances match specified channel operating ranges before energizing field loops.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Foxboro","offers":[{"title":"Default Title","offer_id":43927784095843,"sku":"FBM218 P0922VW","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/20_98601dc3-06c9-469d-bb4a-9a227ca6412b.jpg?v=1767147069","url":"https:\/\/www.autocontrolglobal.com\/products\/foxboro-p0922vw-fbm218-hart-analog-i-o-module","provider":"AutoControl Global","version":"1.0","type":"link"}