{"product_id":"allen-bradley-1734-485asc-serial-interface-module","title":"Allen-Bradley 1734-485ASC Serial Interface Module","description":"\u003ch2\u003e\u003cstrong\u003eAllen-Bradley 1734-485ASC Serial Interface Module\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eCore Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \u0026amp; Manufacturer:\u003c\/strong\u003e \u003cstrong\u003eAllen-Bradley.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries \u0026amp; Model:\u003c\/strong\u003e \u003cstrong\u003ePOINT I\/O\u003c\/strong\u003e series, model \u003cstrong\u003e1734-485ASC\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Type:\u003c\/strong\u003e Dedicated \u003cstrong\u003eSerial Interface Module\u003c\/strong\u003e (Key Switch Position 2).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Ratings:\u003c\/strong\u003e Operates on \u003cspan style=\"color: #e67e22;\"\u003e\u003cstrong\u003e24V DC nominal power (10-28.8V DC range)\u003c\/strong\u003e\u003c\/span\u003e, consuming only 15mA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNetwork Support:\u003c\/strong\u003e Compatible with both \u003cstrong\u003e2-wire RS-485\u003c\/strong\u003e and \u003cstrong\u003e4-wire RS-422\u003c\/strong\u003e standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Immunity:\u003c\/strong\u003e Designed for use with shielded cable to \u003cspan style=\"color: #e67e22;\"\u003e\u003cstrong\u003eminimize signal disruption from electrical noise\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation and Wiring Instructions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eYou must use \u003cstrong\u003eshielded cables\u003c\/strong\u003e for all network connections to ensure signal integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #e67e22;\"\u003e\u003cstrong\u003eGround the cable shield at one end only\u003c\/strong\u003e\u003c\/span\u003e to avoid creating a ground loop fault.\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003e1734-485ASC\u003c\/strong\u003e terminal block does not have a chassis ground point. Connect the shield directly to the \u003cstrong\u003egrounded DIN rail\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eWire the network cables to the clearly marked positions on the \u003cstrong\u003e1734-TB\u003c\/strong\u003e terminal block.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eConfiguration and Operational Data\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe module uses default I\/O message and buffer sizes, often set to \u003cstrong\u003e20 bytes each\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eYou can easily modify these \u003cspan style=\"color: #e67e22;\"\u003e\u003cstrong\u003ebuffer sizes in the configuration file\u003c\/strong\u003e\u003c\/span\u003e for longer data strings.\u003c\/li\u003e\n\u003cli\u003eData flows from a DeviceNet master to the \u003cstrong\u003e1734-485ASC\u003c\/strong\u003e module, then to the serial device.\u003c\/li\u003e\n\u003cli\u003eTransmission triggers after receiving the set byte count or the End-of-String Terminator character.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the main function of the 1734-485ASC module?\u003c\/strong\u003e\u003cbr\u003eA: The \u003cstrong\u003e1734-485ASC\u003c\/strong\u003e provides a serial interface to connect \u003cstrong\u003eRS-232\/422\/485 ASCII devices\u003c\/strong\u003e to a DeviceNet network.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How should I handle cable shielding for this module?\u003c\/strong\u003e\u003cbr\u003eA: Use shielded cable and \u003cspan style=\"color: #e67e22;\"\u003e\u003cstrong\u003eground the shield at the DIN rail only\u003c\/strong\u003e\u003c\/span\u003e. Do not ground both ends or connect to logic common.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I adjust the data buffer size on this POINT I\/O module?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the default is 20 bytes, but you can \u003cstrong\u003ereconfigure the ASCII buffer size\u003c\/strong\u003e in the software for larger messages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What power input does the module accept?\u003c\/strong\u003e\u003cbr\u003eA: It accepts a \u003cspan style=\"color: #e67e22;\"\u003e\u003cstrong\u003e24V DC nominal supply, within a 10-28.8V DC range\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eContact Information Inquiries:\u003c\/strong\u003e \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e or message us on WhatsApp: \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e. Partner \u003cstrong\u003eNexAuto Technology Limited\u003c\/strong\u003e : \u003ca href=\"https:\/\/www.nex-auto.com\/\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45701925699745,"sku":"1734-485ASC","price":216.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/1734-485ASC.jpg?v=1770622351","url":"https:\/\/www.autonexcontrol.com\/vi\/products\/allen-bradley-1734-485asc-serial-interface-module","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}