{"product_id":"allen-bradley-1785-pfb-plc-5-communication-coprocessor-module","title":"Allen-Bradley 1785-PFB PLC-5 Communication Coprocessor Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1785-PFB\u003c\/strong\u003e is an industrial communication module designed to establish network linkages within distributed control configurations. Operating as a hardware integration device for the legacy PLC-5 processor architecture, it provides co-processing resources that handle data exchanges independently of primary scanner routines. The assembly features a dedicated serial portal layout, combining a main channel that executes signaling protocols over a standard RS-485 interface with a secondary auxiliary port that supports standard RS-232 serial links. By handling specific network traffic and communication overhead locally, the \u003cstrong\u003e1785-PFB\u003c\/strong\u003e ensures continuous and consistent data transfers across heterogeneous field networks and specialized host infrastructure in continuous processing environments.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual integrated serial channels accommodating parallel RS-485 and RS-232 infrastructure layout options.\u003c\/li\u003e\n\u003cli\u003eIndependent coprocessor execution loops to offload heavy serialization layers from the host central processor unit.\u003c\/li\u003e\n\u003cli\u003eFront-facing built-in multi-segment status display offering localized visual feedback.\u003c\/li\u003e\n\u003cli\u003eStandard form-factor alignment matched for direct installation inside conventional PLC-5 chassis slots.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReal-time network interfacing with peripheral instruments and auxiliary field instrumentation.\u003c\/li\u003e\n\u003cli\u003eDistributed multi-node serial networking within centralized processing operations.\u003c\/li\u003e\n\u003cli\u003ePoint-to-point data acquisition links for localized host SCADA tracking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1785-PFB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLC 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommunication Coprocessor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard RS-485 Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSerial Port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncludes an RS-232 Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLED Display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Draw\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200 mA at 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.19 lbs (0.99 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Operating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Operating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Storage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Storage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Relative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5% (Non-Condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Relative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e95% (Non-Condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1000 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector Pin\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Port Channel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard RS-485 structural communications networking interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSerial Port Channel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAuxiliary RS-232 communication connection link\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Slot Insertion:\u003c\/strong\u003e Slide the module firmly into its designated chassis path until it fully seats into the rear connection socket strip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Oversight:\u003c\/strong\u003e Maintain operating space conditions within 0 to 60 degC to prevent localized overheating of internal chips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondensation Control:\u003c\/strong\u003e Ensure surrounding humidity scales strictly between 5% and 95% without non-condensing moisture accumulation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695184671083,"sku":"1785-PFB","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1785-pfb-profibus-module-gy2q0anny5h_338259ff-10d1-4a9e-8a9c-3abe3cb53be4.jpg?v=1766114411","url":"https:\/\/www.plcprotech.com\/products\/allen-bradley-1785-pfb-plc-5-communication-coprocessor-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}