{"product_id":"allen-bradley-1771-ogd-series-b-ttl-output-module-16-pt","title":"Allen-Bradley 1771-OGD Series B TTL Output Module 16-PT","description":"\u003cp\u003e\u003cstrong\u003eAllen-Bradley 1771-OGD Series B PLC-5 Digital DC TTL 16-Point Output Module\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1771-OGD (Part Number: 1771-OGD\/B)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a 16-point Transistor-Transistor Logic (TTL) digital output module engineered for the legacy PLC-5 \/ 1771 I\/O platform. This module is specifically designed for high-speed, low-voltage applications where interfacing with logic-level electronics is required. It provides precise digital signaling to drive TTL-compatible devices such as solid-state relays, integrated circuit logic gates, and LED indicators.\u003c\/p\u003e\n\u003cp\u003eUtilizing an open-collector transistor design with internal 1 kΩ pull-up resistors, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1771-OGD\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures reliable switching performance and noise immunity through optical isolation between the field-side circuits and the controller backplane. As a mature product within the Rockwell Automation lifecycle, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1771-OGD\/B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eremains a critical component for maintaining and expanding existing PLC-5 systems, offering a ruggedized solution for high-speed digital control without the need for interposing relays in low-power logic environments.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe following technical parameters define the operational limits of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1771-OGD\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule:\u003c\/p\u003e\n\u003cdiv class=\"horizontal-scroll-wrapper\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTTL Compatibility\u003c\/strong\u003e: Designed to interface directly with 5V logic circuits without additional signal conditioning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Switching\u003c\/strong\u003e: Optimized for rapid digital signaling in precise timing applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptical Isolation\u003c\/strong\u003e: Protects the PLC-5 processor and backplane from field-side electrical noise or transients.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOpen-Collector Design\u003c\/strong\u003e: Provides flexible integration with various pull-up configurations for diverse logic-level requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic LEDs\u003c\/strong\u003e: Immediate visual verification of output state for simplified troubleshooting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eIndustrial Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLogic Interfacing\u003c\/strong\u003e: Connecting PLC-5 systems to custom-built TTL electronic control boards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Signaling\u003c\/strong\u003e: Triggering fast-acting solid-state devices in packaging or material handling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDisplay Systems\u003c\/strong\u003e: Driving logic-level annunciators and specialized LED display panels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLegacy Maintenance\u003c\/strong\u003e: Critical replacement part for existing manufacturing lines utilizing 1771 I\/O architecture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":43997161193571,"sku":"1771-OGD\/B","price":260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/221._b4730d8b-036d-4f35-8ac6-dfacc656d13d.jpg?v=1770796975","url":"https:\/\/www.autocontrolglobal.com\/products\/allen-bradley-1771-ogd-series-b-ttl-output-module-16-pt","provider":"AutoControl Global","version":"1.0","type":"link"}