{"product_id":"allen-bradley-1747-c20-dh-485-interface-cable-20-feet","title":"Allen-Bradley 1747-C20 DH-485 Interface Cable 20 Feet","description":"\u003ch2 style=\"color: #1A237E; font-size: 22px; font-weight: bold; margin-bottom: 12px;\"\u003eAllen-Bradley 1747-C20 SLC 500 Programming \u0026amp; Communication Cable\u003c\/h2\u003e\n\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #333333; margin-bottom: 15px;\"\u003e\n  The \u003cstrong style=\"color: #0D47A1;\"\u003e\u003cspan style=\"color: #0D47A1;\"\u003eAllen-Bradley 1747-C20\u003c\/span\u003e\u003c\/strong\u003e is a heavy-duty programming and communication cable engineered specifically for the SLC 500 programmable logic controller platform. Measuring 6.09 meters (20 feet) in length with an approximate total shipping weight of 0.45 kg (1.0 lb), this lightweight yet industrial-grade cable provides extended physical reach while maintaining high signal integrity for direct controller programming, interface module connection, and local data exchange across industrial machinery setups.\n\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1A237E; font-size: 16px; font-weight: bold; margin-bottom: 8px;\"\u003eKey System \u0026amp; Operational Features\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #333333; margin-bottom: 15px;\"\u003e\n  Operating over the proprietary \u003cstrong\u003eDH-485 communication protocol\u003c\/strong\u003e, the Allen-Bradley 1747-C20 ensures deterministic serial transmission between SLC 500 CPUs and essential peripheral interfaces. Designed to withstand harsh electromagnetic industrial conditions, the cable features integral EMI shielding and an impressive isolation voltage rating of up to 1500V DC to protect sensitive control electronics against ground loops, high-voltage surges, and noise interference.\n\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1A237E; font-size: 16px; font-weight: bold; margin-bottom: 8px;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px; color: #333333; margin-bottom: 15px;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background-color: #F5F5F5;\"\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0; width: 40%;\"\u003eManufacturer \u0026amp; Controller Series\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003eAllen-Bradley | SLC 500 Series\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0;\"\u003ePart \/ Catalog Number\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003e1747-C20\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #F5F5F5;\"\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0;\"\u003eProduct Type \u0026amp; Length\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003eProgramming \/ Communication Cable | 6.09 m (20 ft)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0;\"\u003eApproximate Weight\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003e0.45 kg (1.0 lbs)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #F5F5F5;\"\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0;\"\u003eCommunication Protocol\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003eDH-485 Protocol\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0;\"\u003eElectrical Isolation Rating\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003e1500V DC Isolation Voltage\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #F5F5F5;\"\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0;\"\u003eConnector Type \u0026amp; Shielding\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003eClip-on connectors | EMI Protection Built-in\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"color: #1A237E; font-size: 16px; font-weight: bold; margin-bottom: 8px;\"\u003ePeripheral \u0026amp; Accessory Compatibility\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px; color: #333333; margin-bottom: 15px;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background-color: #F5F5F5;\"\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0; width: 35%;\"\u003e1747-AIC Link Coupler\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003eFully supported for isolating DH-485 network drops and peripheral links\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0;\"\u003e1747-PIC Interface Converter\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003eSupported for RS-232 to DH-485 level conversion during PC programming\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #F5F5F5;\"\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0;\"\u003e1747-DTAM-E Access Module\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003eSupported for direct Data Table Access Module terminal interfacing\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"color: #1A237E; font-size: 16px; font-weight: bold; margin-bottom: 8px;\"\u003eInstallation \u0026amp; Handling Best Practices\u003c\/h3\u003e\n\u003cul style=\"font-size: 14px; line-height: 1.5; color: #333333; margin-bottom: 15px; padding-left: 20px;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnector Retention:\u003c\/strong\u003e Engage the clip-on connector firmly until positive latching is confirmed to prevent intermittent serial communication drops.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Routing \u0026amp; Weight Support:\u003c\/strong\u003e Maintain separation from high-voltage AC power lines. Secure the 0.45 kg cable along wire ducts to avoid excessive strain on terminal connection clips.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBend Radius:\u003c\/strong\u003e Avoid sharp bends or excessive mechanical stress along the 20-foot cable body to preserve internal shielding and conductor integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1A237E; font-size: 16px; font-weight: bold; margin-bottom: 8px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp style=\"font-size: 13px; line-height: 1.4; color: #333333; margin-bottom: 10px;\"\u003e\n  \u003cstrong\u003eQ1: What communication protocol is used by the Allen-Bradley 1747-C20 cable?\u003c\/strong\u003e\u003cbr\u003e\n  A1: The 1747-C20 communicates using Allen-Bradley's DH-485 protocol for SLC 500 systems.\n\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; line-height: 1.4; color: #333333; margin-bottom: 10px;\"\u003e\n  \u003cstrong\u003eQ2: What is the weight and length of the 1747-C20 cable?\u003c\/strong\u003e\u003cbr\u003e\n  A2: The cable has a length of 6.09 meters (20 feet) and weighs approximately 0.45 kg (1.0 lb).\n\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; line-height: 1.4; color: #333333; margin-bottom: 10px;\"\u003e\n  \u003cstrong\u003eQ3: Which peripheral devices are compatible with this cable?\u003c\/strong\u003e\u003cbr\u003e\n  A3: It connects SLC 500 controllers to devices including the 1747-AIC Isolated Link Coupler, 1747-PIC Personal Interface Converter, and 1747-DTAM-E Data Table Access Module.\n\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52665037979780,"sku":"1747-C20","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/1747-C20-2.jpg?v=1787750285","url":"https:\/\/www.etowonauto.com\/fr\/products\/allen-bradley-1747-c20-dh-485-interface-cable-20-feet","provider":"Etowon Auto","version":"1.0","type":"link"}