{"product_id":"digital-ac-dc-input-module-allen-bradley-1771-imd-b","title":"Digital AC\/DC Input Module | Allen-Bradley 1771-IMD\/B","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1771-IMD\/B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a versatile digital input module designed to support both AC and DC signals. It provides reliable monitoring of 16 input channels and is suitable for diverse control applications requiring fast, accurate signal detection and robust electrical performance.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAllen-Bradley\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel \u0026amp; Part Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1771-IMD\/B\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePLC Modules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNumber of Inputs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e16\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Input Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e220V DC, 220V AC at 50–60 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Input Current:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.6 mA at 220V DC, 9.9 mA at 220V AC (50 Hz), 10.4 mA at 220V AC (60 Hz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOn-State Voltage Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAC 184–250V, DC 166–230V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Off-State Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e92V AC or DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Off-State Current:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3 mA at 92V AC, 0.25 mA at 92V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMinimum On-State Current:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e8.7 mA at 184V AC (50 Hz), 0.43 mA at 166V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Signal Delay:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOFF to ON: 15 ± 8 ms; ON to OFF: 172 ± 56 ms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.15 μF capacitor in parallel with 21.2 kΩ at 50 Hz; 370 kΩ resistor in series with 1 kΩ\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e250 mA at 5V DC ±5%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMinimum 1.3 W, Maximum 5.8 W\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Dissipation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMinimum 4.5 BTU\/hr, Maximum 19.8 BTU\/hr\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0–60°C (32–140°F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMonitoring AC and DC signals in PLC control systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInput interface for machinery and process automation requiring precise digital detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSystems where rapid and reliable signal processing is critical\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many input channels does the 1771-IMD\/B support?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module supports 16 digital input channels for AC or DC signals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the acceptable input voltage range?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAC: 184–250V, DC: 166–230V, with off-state voltage up to 92V.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can it handle fast signal changes?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes, the OFF to ON delay is 15 ± 8 ms, and the ON to OFF delay is 172 ± 56 ms for both AC and DC inputs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the environmental operating limits?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module operates within 0–60°C (32–140°F), suitable for standard control cabinet installations.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52240398942517,"sku":"1771-IMD\/B","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1771-OW162_dea42487-d8e4-4a03-b281-96f8b6543c3e.jpg?v=1768900177","url":"https:\/\/www.5gplc.com\/products\/digital-ac-dc-input-module-allen-bradley-1771-imd-b","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}