{"product_id":"1771-ke-allen-bradley-plc-5-communication-controller-module","title":"1771-KE | Allen Bradley PLC 5 Communication Controller Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1771-KE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-performance communication interface within the PLC-5 chassis. It bridges the gap between the Data Highway (DH) network and asynchronous RS-232-C devices, enabling seamless data exchange between controllers, computers, and intelligent peripherals. This specific unit arrives\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand features a conformal coating, providing superior protection against harsh industrial atmospheres.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1771-KE module utilizes a rack-mountable design and draws power directly from the PLC backplane, eliminating the need for external power supplies.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen Bradley (Rockwell Automation)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePLC-5 (1771 System)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCommunication Controller\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eComm Ports\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eData Highway and RS-232-C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProcessor Port Speed\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e91.2 kilobaud\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e750 mA @ 5V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Power Requirement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.2 Amperes @ 5V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCoating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eConformal Coated (Enhanced Protection)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWiring Arm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1771-WH\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1771 Universal I\/O Chassis (Rack Mount)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.81 lbs (1.28 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtocol Conversion Mastery:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1771-KE converts Data Highway protocol into standard RS-232-C serial data. This allows legacy PLC-5 systems to communicate with modern diagnostic laptops, printers, and third-party HMI hardware without requiring expensive network overhauls.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtreme Environment Resilience:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe conformal coating shields the internal circuitry from moisture, dust, and corrosive chemical vapors. This hardware hardening ensures the module maintains 91.2 kilobaud transmission speeds even in facilities with high humidity or airborne contaminants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module occupies a single slot in any 1771 I\/O chassis. Because it requires zero external power sources, it reduces cabinet heat load and simplifies the wiring architecture within the control enclosure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePredictable Signal Timing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith a typical DC signal delay (Off) of 50 ms and an AC delay of 45 ms (+\/- 15 ms), the 1771-KE provides the deterministic timing necessary for synchronized data collection across a distributed network.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1771-KE require a separate power supply?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The module draws its required 1.2 Amperes directly from the 1771 chassis backplane. However, you must verify that your chassis power supply has sufficient headroom to accommodate the 750mA backplane current draw of this module alongside other installed I\/O.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the conformal coating benefit my installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe conformal coat is a specialized thin polymer film applied to the PCB. It protects the 1771-KE against \"dendrite growth\" and short circuits caused by moisture or salt spray, making it the ideal choice for wastewater, pulp and paper, or coastal industrial sites.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhich wiring arm should I use for this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1771-KE requires the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1771-WH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewiring arm. Using the correct arm ensures secure terminal connections and facilitates the \"swing-away\" design for fast module replacement without disconnecting individual field wires.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module interface with Data Highway Plus (DH+)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1771-KE is specifically designed for the standard Data Highway protocol. For Data Highway Plus (DH+) applications, engineers typically utilize the 1770-KF2 or similar bridge modules, though the 1771-KE remains the industry standard for original Data Highway to RS-232-C conversion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52787854606645,"sku":"1771-KE","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1771-KE.png?v=1777257348","url":"https:\/\/www.5gplc.com\/products\/1771-ke-allen-bradley-plc-5-communication-controller-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}