{"product_id":"1769-ascii-allen-bradley-communication-interface-module","title":"1769-ASCII Allen-Bradley Communication Interface Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe 1769-ASCII is a high-performance specialty communication module for Allen-Bradley CompactLogix and MicroLogix 1500 platforms. It features\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etwo fully independent, isolated serial channels\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethat enable controllers to interface with ASCII-protocol devices, such as barcode scanners, weigh scales, printers, and vision systems.\u003c\/p\u003e\n\u003cp\u003eBy offloading serial string processing from the main CPU, the 1769-ASCII ensures deterministic system performance while providing robust data exchange through its dedicated DB-9 connectors.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Identifier\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1769-ASCII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 Independent Serial Ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual DB-9 Male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocol Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGeneric ASCII (Full-Duplex \/ Half-Duplex)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBaud Rates\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUser-configurable, up to 38.4 Kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Current Draw\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e425 mA @ 5.1V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.13 W max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.3 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30V continuous; 710V DC dielectric tested for 60 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Signal Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3–25V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlow Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRTS\/CTS Hardware Handshaking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 °C to 60 °C \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVibration\/Shock\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 g @ 10–500 Hz \/ 30 g Operating Shock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e118 x 34 x 87 mm \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.18 kg \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eDiagnostic and Status Indicators\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTX\/RX Indicators:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eVisual confirmation of data transmission and reception.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFIFO Status:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMonitors the internal buffer to prevent data loss.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eError Flags:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eReports FIFO overflow, RX parity errors, and handshake failures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNew Data Flag:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTriggers PLC logic immediately upon receipt of a completed ASCII string.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eInstallation and System Limits\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStandard 1769 bus interface; 35mm DIN rail or panel mounting for high-shock resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWorks with CompactLogix 5370 controllers, 1769-AENTR Ethernet adapters, and MicroLogix 1500 bases.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDistance Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMust be installed within four slots of the system power supply.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnclosure:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOpen-type design; use IP54 or higher rated enclosure to protect against contaminants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eCommon Technical Questions\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1769-ASCII support RS-485 or RS-422?\u003c\/strong\u003e\u003cbr\u003eNo. It is designed for RS-232. For RS-485 or RS-422, use an external signal converter or a specialized module like the 1769-SM2.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I program the module to parse specific string delimiters?\u003c\/strong\u003e\u003cbr\u003eYes. You can define start and end characters (e.g., Carriage Return, Line Feed) so the PLC processes only completed data packets, simplifying ladder logic programming.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":52513479688376,"sku":"1769-ASCII","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1769-ASCII2.jpg?v=1769756635","url":"https:\/\/www.globalpetroparts.com\/products\/1769-ascii-allen-bradley-communication-interface-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}