{"product_id":"p0926gu-fbm230-foxboro-serial-interface-modules","title":"P0926GU FBM230 Foxboro Serial Interface Modules","description":"\u003ch2\u003eFoxboro P0926GU FBM230 Field Device System Integrator Modules\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFoxboro P0926GU\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eFBM230\u003c\/strong\u003e Communication Modules, operates as a dedicated hardware component for serial data integration within Foxboro I\/A Series and Foxboro Evo DCS networks. The module provides 4 serial ports individually configurable for RS-232, RS-422, or RS-485 physical layer interfaces, accommodating up to 64 multidrop field devices via software-driven downloadable I\/O drivers. Operating on redundant 24 VDC power feeds, the hot-swappable assembly executes serial protocol translation across 2 Mbps Fieldbus communication paths while maintaining channel-to-channel and channel-to-system isolation.\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\u003eP0926GU (FBM230)\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\u003e0.28 kg (0.62 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e102 mm x 45 mm x 104 mm\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\u003e7 W max at 24 VDC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCommunication Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003e4 ports, individually configurable for RS-232\/422\/485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Device Connections\u003c\/td\u003e\n\u003ctd\u003eUp to 64 devices (RS-485 multidrop) or 4 devices (RS-232\/422)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDCI Block Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 2000 blocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFieldbus Interface\u003c\/td\u003e\n\u003ctd\u003e2 Mbps via FCM100ET\/FCP270\/FCP280\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Class\u003c\/td\u003e\n\u003ctd\u003eG3 harsh industrial rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eIntegrated channel health monitoring, watchdog, and status LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Instrument Integration\u003c\/h3\u003e\n\u003cp\u003eThe Field Device System Integrator module buffers data between intelligent field devices and system control processors. While standard analog cards process dedicated 4-20 mA HART loop protocol transmitters, this module handles multi-drop digital communications over serial lines, processing up to 2000 Distributed Control Interface (DCI) blocks. Integrated channel-to-channel isolation barriers eliminate ground loops between field instruments and the system backplane. Microprocessor-driven onboard diagnostics continuously evaluate serial parity, frame synchronization, and module power rail voltages, triggering fault indicators when communications degrade.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the module handle signal line termination for RS-485 multidrop configurations?\u003c\/p\u003e\n\u003cp\u003eA: External termination resistors must be installed at the physical ends of the RS-485 bus trunk line to prevent signal reflections and maintain driver voltage levels across long field wiring runs.\u003c\/p\u003e\n\u003cp\u003eQ: Can maintenance personnel hot-swap the module without interrupting adjacent modules on the carrier backplane?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the hot-swappable housing features staggered power and signal contacts that engage ground and 24 VDC power lines before logic data pins connect, permitting safe online replacement.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBaseplate Engagement:\u003c\/strong\u003e Align the module card edges with the carrier guide slot and push firmly until the rear connector seats completely into the backplane bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Line Grounding:\u003c\/strong\u003e Ground serial cable drain wires at the enclosure terminal earth bus to prevent stray high-frequency noise from disturbing differential RS-485 voltage signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Conduit Routing:\u003c\/strong\u003e Separate serial interface cables from high-voltage AC power distribution wiring and motor drive cables to maintain signal integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedundant Power Wiring:\u003c\/strong\u003e Connect dual 24 VDC power feeds to the baseplate termination assembly to ensure uninterrupted module operation during power supply switchovers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabinet Thermal Spacing:\u003c\/strong\u003e Maintain a minimum of 50 mm clearance above and below the module rack to allow natural convective airflow through the card chassis.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Foxboro","offers":[{"title":"Default Title","offer_id":43969272381530,"sku":"P0926GU","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/483_3598913d-05ad-4d39-ae77-f31387844d4c.jpg?v=1788168686","url":"https:\/\/www.spareoil.com\/products\/p0926gu-fbm230-foxboro-serial-interface-modules","provider":"SpareOil Automation","version":"1.0","type":"link"}