{"product_id":"allen-bradley-1747-aic-slc-500-isolated-dh-485-link-coupler","title":"Allen Bradley 1747-AIC SLC 500 Isolated DH-485 Link Coupler","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1747-AIC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as the primary network interface for connecting SLC 500 processors and peripheral devices to a DH-485 network. This isolated link coupler provides a critical physical layer connection, ensuring stable data transmission between controllers, HMIs, and programming terminals. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal hardware, delivering the electrical isolation necessary to protect your automation assets from ground loops and industrial noise.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1747-AIC features specialized circuitry designed to maintain signal integrity across extended DH-485 cable runs.\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 Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIsolated Link Coupler\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNetwork Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDH-485 (Full-Duplex \u0026amp; Half-Duplex)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1500V DC (Cable to Device)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTerminal Block\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6-Position Removable Terminal Block\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60°C (32 to 140°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5% to 95% (Non-condensing)\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\u003e0.69 lbs (0.31 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCompatible Hardware\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSLC 500, 1747-PIC, 1747-DTAM-E\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\u003e1500V DC Electrical Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1747-AIC incorporates a robust isolation barrier that withstands up to 1500V DC. This protects the SLC 500 processor from transient voltages and ground potential differences that often occur in large-scale plant networks spanning long distances.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile Network Topology:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis coupler supports both full-duplex and half-duplex DH-485 configurations. It enables seamless communication between the controller and a variety of peripherals, including 1747-PIC interface converters and 1747-DTAM-E modules, without requiring external power for the link signals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Field Wiring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 6-position removable terminal block allows for rapid wiring and maintenance. Technicians can pre-wire the network trunk and simply plug the block into the coupler, reducing the risk of wiring errors and minimizing downtime during system expansions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Grade Durability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesigned for high-temperature environments, the 1747-AIC operates reliably up to 140°F (60°C). Its compact, lightweight design fits easily into crowded control cabinets while maintaining the physical rigidity needed for vibration-prone industrial settings.\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\u003eWhen do I need to use a 1747-AIC instead of a direct cable connection?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou must use the 1747-AIC whenever you connect an SLC 5\/01, 5\/02, or 5\/03 to a DH-485 network trunk. The coupler provides the necessary 1500V isolation that standard cables lack, preventing ground loops from damaging the CPU’s communication port.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1747-AIC require an external power source?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1747-AIC typically draws power from the SLC 500 processor or the peripheral device connected via the communication cable. If you are using the coupler as a standalone repeater or with certain non-powered devices, you may need to provide an external 24V DC source to the link side.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this coupler with 1747-PIC Personal Interface Converters?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 1747-AIC fully supports the 1747-PIC. This allows you to connect a PC for programming or monitoring while maintaining the isolation barrier between the computer and the industrial network.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum distance supported by the 1747-AIC?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn a standard DH-485 network using the 1747-AIC, the total trunk length can reach up to 4,000 feet (1,219 meters). Ensure you use high-quality shielded twisted-pair cable to maintain signal quality at these maximum distances.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52788372177205,"sku":"1747-AIC","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1747-AIC.png?v=1777273032","url":"https:\/\/www.5gplc.com\/products\/allen-bradley-1747-aic-slc-500-isolated-dh-485-link-coupler","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}