{"product_id":"1784-cp7-allen-bradley-bulletin-1784-plc-5-dh-communication-connection-assembly","title":"1784-CP7 | Allen-Bradley | Bulletin 1784 PLC-5 DH+ Communication Connection Assembly","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1784-CP7 operates as a heavy-duty, legacy communication connection adapter within the Bulletin 1784 hardware series. This specialized programming assembly directly bridges a programming personal computer or workstation to a local PLC-5 processor communication interface daughterboard.\u003c\/p\u003e\n\u003cp\u003eBy establishing this reliable physical highway link, control technicians upload or download ladder logic, edit system registers online, and run active runtime diagnostics across Data Highway Plus (DH+) industrial networks. We distribute this network hardware asset exclusively as a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new, original factory-sealed unit\u003c\/strong\u003e, which guarantees pristine pin conductivity, undamaged insulation molding, and full electrical signal attenuation matching original Rockwell Automation specifications.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe table below displays the electrical connectivity, physical interfaces, and environmental operating boundaries of the 1784-CP7 communication assembly:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePerformance \u0026amp; Industrial Communication Rating\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\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1784-CP7\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\u003eBulletin 1784 Network Platforms\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\u003ePhysical Communication Adapter Assembly\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAdapter Class Target\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eClassic PLC-5 Processor Family\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTarget Network Protocol\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eData Highway Plus (DH+)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHost Workstation Interface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e9-Pin D-Sub Serial Port Configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProcessor Interface Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8-Pin Mini-DIN Circular Connector Port\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature Envelope\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32°F to 140°F (0°C to 60°C)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStorage Temperature Envelope\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e40°F to 185°F (4.4°C to 85°C)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAmbient Humidity Limits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5% to 95% Relative Humidity, Non-Condensing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNet Hardware Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.00 lbs (1.36 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\u003eEstablishes Quick Node Programming on Legacy Lines:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe adapter links host computer architecture directly into old-line PLC-5 automation networks. This interface allows facilities to maintain, update, and fault-trace legacy production systems without forcing an expensive, premature overhaul to modern Ethernet hardware profiles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBlocks Severe Panel RFI via High-Density Shielding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThick internal shielding layers enclose the copper data strands from end to end. This high-density barrier neutralizes high-frequency radio frequency interference (RFI) and electromagnetic fields generated by heavy motor contacts, keeping the data packet stream intact and preventing software dropouts during live code downloads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eResists Terminal Pin Fatigue in Harsh Environments:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHeavy-duty molding encases both the 9-pin D-sub and the 8-pin mini-DIN connector heads. This structural design shields the physical connection pins from bending, resists oil mist degradation, and prevents terminal fatigue during repeated field programming cycles on the factory floor.\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\u003eCan I use this 1784-CP7 adapter assembly to connect a standard USB-only laptop to a PLC-5?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 1784-CP7 hardware features a physical 9-pin D-sub interface designed to screw directly into a matching native serial port or a specialized internal desktop communication card (like a 1784-PCMK or 1784-PKTX module). If your modern maintenance laptop only features USB ports, you must place an industrially rated, high-speed USB-to-Serial converter inline or deploy a dedicated 1784-U2DHP adapter instead.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mounting precautions prevent communications from dropping offline during an active programming session?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTechnicians must line up the 8-pin mini-DIN barrel connector perfectly with the PLC-5 port face before sliding it into place to avoid snapping the fine interior contacts. Additionally, always tighten the two thumbscrews on the 9-pin D-sub connector securely to your PC interface. Loose connections cause high electrical resistance and vibration-induced data dropouts, which can halt logic transfers mid-cycle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this cable assembly require external driver software inside the computer operating system?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe physical 1784-CP7 cable acts as a direct passive interface media layer and does not contain active processing silicon that needs a driver. However, the communication driver platform inside your programming software (such as RSLinx Classic) must activate and configure the correct DH+ routing parameters, data baud rates, and station node numbers to match the target PLC-5 hardware configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52906275340597,"sku":"1784-CP7","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1784-CP71.png?v=1779259788","url":"https:\/\/www.5gplc.com\/products\/1784-cp7-allen-bradley-bulletin-1784-plc-5-dh-communication-connection-assembly","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}