{"product_id":"foxboro-fcm2f4-p0917ja-fiber-optic-fieldbus-extender","title":"FOXBORO FCM2F4 P0917JA Fiber Optic Fieldbus Extender","description":"\u003cp\u003eThe \u003cstrong\u003eFoxboro FCM2F4\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eFCM2F4 P0917JA\u003c\/strong\u003e Fiber Optic Fieldbus Extender, operates as a dedicated hardware component for high-speed industrial network extension and galvanic isolation within Foxboro distributed control networks. This DIN rail-mounted module, operating under part number \u003cstrong\u003eP0917JA\u003c\/strong\u003e, provides direct physical and electrical execution by translating copper-based 2 Mbps Module Fieldbus signals into high-bandwidth optical pulses for baseplate-to-baseplate communication.\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\u003eFCM2F4 P0917JA\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\u003eFactory Standard Global Site\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eStandard baseline physical module mass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFiber Optic Fieldbus Extender\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Type\u003c\/td\u003e\n\u003ctd\u003e2 Mbps Module Fieldbus (I\/A Series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Medium\u003c\/td\u003e\n\u003ctd\u003eFiber Optic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Extension Distance\u003c\/td\u003e\n\u003ctd\u003e4 km (2.48 mi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Orientation\u003c\/td\u003e\n\u003ctd\u003eDIN rail-mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy Support\u003c\/td\u003e\n\u003ctd\u003eSupports redundant configurations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp Range\u003c\/td\u003e\n\u003ctd\u003e-40 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Range\u003c\/td\u003e\n\u003ctd\u003e5% to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eFoxboro Evo Process Automation System \/ Foxboro I\/A Series DCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Protection\u003c\/td\u003e\n\u003ctd\u003eImmune to EMI, RFI, and lightning interference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and DCS Instrumentation Execution\u003c\/h3\u003e\n\u003cp\u003eThe FCM2F4 P0917JA manages deterministic serial data frames and node-to-node token synchronization directly across the system's distribution backplane architecture. To extend critical modular control segments and link distant I\/O subracks concurrently without introducing data packet jitter, propagation delay, or ground loop voltage differentials, the internal transceiver matrix converts electrical bus logic into optical signals over a 4 km span. This specialized optical conversion bypasses the distance limitations of standard copper media, directly supporting deterministic loop tracking rules and expanding physical I\/O density scaling options across segregated plant areas.\u003c\/p\u003e\n\u003cp\u003eBecause the module serves as the primary backbone link for distributed field racks, its optical interface natively provides total channel-to-channel and channel-to-ground isolation characteristics. This physical gap blocks extreme high-voltage surges, electrical noise, and lightning propagation from corrupting internal tracking registers or disrupting firmware flash compatibility between connected baseplates, ensuring that critical process variables, safety interlocks, and diagnostics transmit over the bus lines without causing signal transit noise or communication timeouts.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the FCM2F4 module protect the 2 Mbps Module Fieldbus data integrity against lightning and intense RFI?\u003c\/p\u003e\n\u003cp\u003eA: By utilizing a fiber optic cable medium instead of copper wire, the physical data path lacks electrical conductivity. This total galvanic isolation makes the transmission immune to electromagnetic interference (EMI), radio frequency interference (RFI), and high-voltage lightning surges that would otherwise corrupt register states or damage backplane transceivers.\u003c\/p\u003e\n\u003cp\u003eQ: What specific failure recovery sequence occurs if one fiber link in a redundant configuration breaks?\u003c\/p\u003e\n\u003cp\u003eA: The module relies on its internal hardware-level voting and dual-channel routing matrices. If an optical signal drop or data checksum error is detected on the primary fiber link, the redundant channel assumes the total 2 Mbps communication load within milliseconds, logging a diagnostic fault code in the DCS master table without interrupting active process control loops.\u003c\/p\u003e","brand":"Foxboro","offers":[{"title":"Default Title","offer_id":45058729803891,"sku":"FCM2F4 P0917JA","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-06-01_17-36-49_c7f646c7-aeed-4d9a-b84e-0f3acba4ac83.png?v=1780306858","url":"https:\/\/www.dcssupplier.com\/products\/foxboro-fcm2f4-p0917ja-fiber-optic-fieldbus-extender","provider":"DcsSupplier Limited","version":"1.0","type":"link"}