{"product_id":"allen-bradley-1786-rpfs-controlnet-short-distance-fiber-module","title":"Allen-Bradley 1786-RPFS ControlNet Short-Distance Fiber Module","description":"\u003ch2\u003eAllen-Bradley 1786-RPFS ControlNet Short-Distance Fiber Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for optical signal regeneration and physical media translation in ControlNet communication networks, the \u003cstrong\u003eAllen-Bradley 1786-RPFS\u003c\/strong\u003e (\u003cstrong\u003e1786-RPFS\u003c\/strong\u003e ControlNet Short-Distance Fiber Repeater Module) provides direct physical\/electrical execution. It interfaces directly with ControlNet repeater adapter bases to extend deterministic network segments through multi-mode optical fiber links, providing complete galvanic isolation and immunity to high-intensity electromagnetic interference (EMI).\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\u003e1786-RPFS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\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\u003e0.25 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e118 x 35 x 105 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\u003e1.5 W max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Rate\u003c\/td\u003e\n\u003ctd\u003eFixed at 5 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiber Media Supported\u003c\/td\u003e\n\u003ctd\u003eMulti-mode fiber (62.5\/125 um)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Distance\u003c\/td\u003e\n\u003ctd\u003e300 m (984 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Wavelength\u003c\/td\u003e\n\u003ctd\u003e850 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectors\u003c\/td\u003e\n\u003ctd\u003eST fiber optic connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Power\u003c\/td\u003e\n\u003ctd\u003e300 mA @ 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e50 V continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eUL, CE, CSA, Class I Div 2, ATEX Zone 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network Isolation \u0026amp; Media Translation\u003c\/h3\u003e\n\u003cp\u003eThe module interfaces directly with ControlNet repeater backplanes to translate electrical coax signals into optical pulses without adding packet frame latency. Built for high-noise industrial environments, it enforces complete channel-to-channel ground isolation across nodes. System architecture relies on strict backplane bus communication velocity and firmware flash compatibility to ensure real-time deterministic frame retiming, signal amplification, and fault containment without degrading overall network throughput or frame synchronicity.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 1786-RPFS module be replaced under power without stopping network traffic?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The module supports hot-swappable installation into a powered 1786 repeater adapter base, provided the surrounding environment is non-hazardous or determined to be free of ignitable gas concentrations.\u003c\/p\u003e\n\u003cp\u003eQ: What are the backplane current draw requirements for this module?\u003c\/p\u003e\n\u003cp\u003eA: The module draws a maximum backplane current of 300 mA at 5 VDC from the host 1786 repeater base assembly.\u003c\/p\u003e\n\u003cp\u003eQ: Does the module support single-mode fiber optic cabling for distances exceeding 300 meters?\u003c\/p\u003e\n\u003cp\u003eA: No. The 1786-RPFS transceivers are calibrated specifically for 850 nm multi-mode fiber (62.5\/125 um) up to 300 m. For long-distance single-mode links, an equivalent long-distance fiber module must be utilized.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the 1786-RPFS firmly into the designated 1786 repeater base slot until the side locking mechanisms engage completely. Ensure all ST optical connectors are clean and dust-free prior to insertion; use dedicated lint-free optical wipes cleaned with isopropyl alcohol if contamination occurs. Maintain the minimum bending radius of the multi-mode fiber cable according to manufacturer specs (typically no less than 30 mm) to prevent micro-bending signal attenuation. Ensure the outer metal chassis of the repeater base assembly connects to a low-impedance functional earth (FE) bus via DIN-rail contact points or grounding straps.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43757351075930,"sku":"1786-RPFS","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1786-RPFS2.jpg?v=1785313260","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1786-rpfs-controlnet-short-distance-fiber-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}