{"product_id":"allen-bradley-1771-igd-8-point-ttl-input-module","title":"Allen-Bradley 1771-IGD 8-Point TTL Input Module","description":"\u003cdiv\u003e\u003cp\u003eAllen-Bradley 1771-IGD 8-Point TTL Input Module provides eight 5V TTL digital input channels for PLC-5 systems, designed to mount in a 1771 I\/O chassis and interface with the 1771 backplane. It accepts TTL-level input signals from sensors and switches and communicates their status to the PLC-5 program through the I\/O rack. Power for the module is supplied via the 1771 I\/O backplane, with no external power connection required. Common applications include reading digital signals from pushbuttons, limit switches, and other digital sensors in PLC-5 control schemes. \u003c\/p\u003e\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"New","offer_id":46244009214186,"sku":null,"price":81.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-079.png?v=1788727429","url":"https:\/\/gtghardware.com\/products\/allen-bradley-1771-igd-8-point-ttl-input-module","provider":"GTG Hardware","version":"1.0","type":"link"}