{"product_id":"allen-bradley-1771-qb-industrial-plc-motion-control-module","title":"Allen-Bradley 1771-QB | Industrial PLC Motion Control Module","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1771-QB\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLinear Positioning Module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned for the 1771 PLC platform. It integrates machine motion control and provides the PLC with hydraulic performance capability. The module supports two independent axes and advanced control algorithms, including PID and Feed-forward control.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1771-QB\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e: Linear Positioning Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e: Allen-Bradley\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e: 1771\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Location\u003c\/strong\u003e: 1771 Universal I\/O chassis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUpdate Period\u003c\/strong\u003e: 2 ms per axis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAnalog Output Resolution\u003c\/strong\u003e: 12-bit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAnalog Outputs\u003c\/strong\u003e: ±10V DC up to 10 mA, ±20 mA up to 600Ω, ±50 mA up to 240Ω, ±100 mA up to 240Ω\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiscrete Outputs\u003c\/strong\u003e: Single-ended sourcing, 100 mA maximum, logic 0: 0V, logic 1: user voltage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiscrete Inputs\u003c\/strong\u003e: 8 mA\/input at 12 V DC, 16 mA\/input at 24 V DC, logic thresholds 0–4 V DC (0) and 10–30 V DC (1)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTransducer Compatibility\u003c\/strong\u003e: MTS Temposonics, Balluff BTL, Norstat GYRG linear displacement transducers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Transducer Length\u003c\/strong\u003e: 180 inches (4.572 meters) with resolution ±0.002 inches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSampling Period\u003c\/strong\u003e: 2 ms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTerminal Block\u003c\/strong\u003e: 40 Terminal 1771-WN\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConductor Wire Size\u003c\/strong\u003e: Max 14 AWG, 3\/64” insulation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAuxiliary Outputs\u003c\/strong\u003e: Servo valve, digital source, analog ±10V DC\/ ±20–100 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSlots\u003c\/strong\u003e: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFuse Rating\u003c\/strong\u003e: 3A, 250V, normal-blow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCabling\u003c\/strong\u003e: 1771-PSCC Remote 5.5 ft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e: 47–63 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e: 4.5 × 12.4 × 6.3 in (115 × 317 × 160 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current\u003c\/strong\u003e: 1.1A typical, 1.6A maximum at 5V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1771-QB\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh-speed motion control\u003c\/strong\u003e, providing accurate position feedback for each axis. Its transducer interface directly connects to Temposonics II, Balluff, or Norstat linear displacement devices. Velocities reach up to 327.67 inches per second (3.2767 m\/s).\u003c\/p\u003e\n\u003cp\u003eWith analog outputs, discrete I\/O, and dual-axis control, this module ensures precise hydraulic and machine motion integration. The compact design and high update rate of 2 ms per axis enhance real-time PLC performance.\u003c\/p\u003e\n\u003ch3\u003eIndustrial Applications\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1771-QB\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis ideal for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emotion control, industrial automation, hydraulic integration, and high-speed positioning tasks\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein manufacturing environments. It is suitable for systems requiring precise displacement measurement and feedback.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":50631735836968,"sku":"1771-QB\/C","price":152.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/1771-QBC3.jpg?v=1757502720","url":"https:\/\/www.powerdcs.com\/products\/allen-bradley-1771-qb-industrial-plc-motion-control-module","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}