{"product_id":"foxboro-fbm228-p0922qs-foundation-fieldbus-h1-module","title":"Foxboro FBM228 P0922QS FOUNDATION Fieldbus H1 Module","description":"\u003ch2\u003eFoxboro FBM228 P0922QS FOUNDATION Fieldbus Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFoxboro FBM228 P0922QS\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eFBM228 P0922QS\u003c\/strong\u003e FOUNDATION Fieldbus H1 Communication Module, operates as a dedicated hardware component for multi-channel digital fieldbus data acquisition within Foxboro I\/A Series and Foxboro Evo DCS networks.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFBM228\u003c\/strong\u003e: Base functional designator for the four-channel FOUNDATION Fieldbus H1 interface module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP0922QS\u003c\/strong\u003e: Manufacturing part number specifying the physical hardware build with G3 conformal coating.\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\u003eFBM228 P0922QS\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\u003e2.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e22.0 W x 124.0 H x 126.0 D mm\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\u003e24 VDC backplane input (redundant support enabled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e4 isolated FOUNDATION Fieldbus H1 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Layer\u003c\/td\u003e\n\u003ctd\u003eIEC 61158-2 (H1, 31.25 kbit\/s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGalvanic Isolation\u003c\/td\u003e\n\u003ctd\u003e600 VAC channel-to-channel and channel-to-system isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Interface\u003c\/td\u003e\n\u003ctd\u003eRedundant Foxboro Fieldbus interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory Architecture\u003c\/td\u003e\n\u003ctd\u003e16 MB SDRAM, 32 MB Flash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Rating\u003c\/td\u003e\n\u003ctd\u003eClass G3 conformal coating for harsh environments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFOUNDATION Fieldbus Connectivity and Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe FBM228 P0922QS provides dedicated FOUNDATION Fieldbus H1 connectivity by combining IEC 61158-2 physical layer compliance with 600 VAC channel-to-channel galvanic isolation. This architecture isolates each individual H1 segment, preventing ground loops and field-induced common-mode electrical noise on one bus from propagating to adjacent channels or the internal DCS backplane. The module manages bi-directional digital traffic across four independent segments at a fixed transfer rate of 31.25 kbit\/s, enabling real-time multi-variable field instrument data acquisition and continuous asset status monitoring without compromising backplane communication determinism.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the FBM228 P0922QS module directly supply field power to connected H1 segment devices?\u003c\/p\u003e\n\u003cp\u003eA: No, the module executes signal processing and communications only. Field devices require an external, dedicated FOUNDATION Fieldbus power supply and conditioned termination network on each H1 segment.\u003c\/p\u003e\n\u003cp\u003eQ: Can maintenance personnel perform hot-swapping on an active FBM228 module in a redundant pair?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the hardware supports online replacement. When plugged into a redundant baseplate configuration, removing the active module triggers an immediate bumpless failover to the secondary module without dropping active H1 communications links.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eAlign the FBM228 module with the baseplate mounting slot and press firmly until the mechanical locking latch engages fully. Ensure that all field wiring conforms strictly to IEC 61158-2 physical layer standards, using dedicated shielded twisted-pair Fieldbus cable. Connect cable shields to a single earth ground point at the Fieldbus power supply to prevent circulating ground currents from corrupting the 31.25 kbit\/s digital signal. Maintain a minimum engagement of 5 threads on conduit entries, verify that external segment terminators reside at both physical ends of each H1 trunk, and confirm adequate cabinet convection to keep ambient operating temperatures between 0 and +60 deg C.\u003c\/p\u003e","brand":"Foxboro","offers":[{"title":"Default Title","offer_id":43102953046106,"sku":"FBM228","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/301_675add23-c1d7-4d0d-9b15-90fd4beff04a.jpg?v=1774316703","url":"https:\/\/www.spareoil.com\/products\/foxboro-fbm228-p0922qs-foundation-fieldbus-h1-module","provider":"SpareOil Automation","version":"1.0","type":"link"}