{"product_id":"allen-bradley-842hr-sja3115fwy2-absolute-encoder","title":"Allen-Bradley 842HR-SJA3115FWY2 Absolute Encoder","description":"\u003ch3 data-section-id=\"3h1ku8\" data-start=\"0\" data-end=\"15\"\u003eDescription\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"780\"\u003eThe \u003ca href=\"https:\/\/plgautomation.com\/collections\/allen-bradley\"\u003eAllen-Bradley\u003c\/a\u003e 842HR-SJA3115FWY2 Encoder is a high-resolution single-turn sine\/cosine absolute encoder designed to provide precise position, speed, and commutation feedback for high-performance servo drive systems. It features a 12 mm blind hollow shaft, hybrid sine\/cosine and serial interface, and a 5–12 VDC supply, delivering high-accuracy motion feedback for demanding industrial automation and motion control applications. Commonly installed on servo motors, CNC machines, robotics, packaging equipment, machine tools, and automated production systems. Maintenance teams and \u003ca href=\"https:\/\/plgautomation.com\/collections\/hmi-operator-interfaces\"\u003esystem integrators\u003c\/a\u003e use this encoder for OEM replacement, servo motor repair, retrofit projects, and precision motion control system upgrades. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"782\" data-end=\"798\"\u003eApplications\u003c\/h3\u003e\n\u003cp data-start=\"800\" data-end=\"1407\"\u003eThe Allen-Bradley 842HR-SJA3115FWY2 is used in digital servo drive systems requiring both absolute position feedback and high-resolution incremental feedback from a single encoder. Typical applications include CNC machining centers, robotics, printing presses, packaging machinery, semiconductor equipment, and automated manufacturing systems. The encoder combines a 15-bit absolute position output with sine\/cosine signals for speed regulation and commutation, making it compatible with Hiperface®-enabled servo systems and Rockwell Automation motion control products. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"nucr17\" data-start=\"1409\" data-end=\"1437\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp data-start=\"1439\" data-end=\"2337\"\u003e• Manufacturer: Allen-Bradley (Rockwell Automation)\u003cbr data-start=\"1490\" data-end=\"1493\"\u003e• Part Number: 842HR-SJA3115FWY2\u003cbr data-start=\"1525\" data-end=\"1528\"\u003e• Product Type: Sine\/Cosine Absolute Encoder\u003cbr data-start=\"1572\" data-end=\"1575\"\u003e• Series: Bulletin 842HR\u003cbr data-start=\"1599\" data-end=\"1602\"\u003e• Encoder Type: Single-Turn Absolute Encoder\u003cbr data-start=\"1646\" data-end=\"1649\"\u003e• Shaft Configuration: 12 mm Blind Hollow Shaft\u003cbr data-start=\"1696\" data-end=\"1699\"\u003e• Supply Voltage: 5–12 VDC\u003cbr data-start=\"1725\" data-end=\"1728\"\u003e• Output Interface: Sine\/Cosine with RS-485 Serial (Hiperface® Compatible)\u003cbr data-start=\"1802\" data-end=\"1805\"\u003e• Absolute Resolution: 15-bit (32,768 steps per revolution)\u003cbr data-start=\"1864\" data-end=\"1867\"\u003e• Incremental Output: 1,024 Sine\/Cosine Cycles per Revolution (up to approximately 2 million interpolated counts per revolution)\u003cbr data-start=\"1995\" data-end=\"1998\"\u003e• Electrical Connection: MS 10-Pin Connector\u003cbr data-start=\"2042\" data-end=\"2045\"\u003e• Mounting Style: Hub Shaft\u003cbr data-start=\"2072\" data-end=\"2075\"\u003e• Application: High-Performance Servo Feedback and Motion Control\u003cbr data-start=\"2140\" data-end=\"2143\"\u003e• Features: Absolute position feedback, high-resolution incremental output, commutation support, compact industrial design, and high-accuracy servo control. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1pr3fye\" data-start=\"2339\" data-end=\"2362\"\u003eCommon Replacements\u003c\/h3\u003e\n\u003cp data-start=\"2364\" data-end=\"2507\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• Allen-Bradley 842HR-SJA3115FWYD\u003cbr data-start=\"2397\" data-end=\"2400\"\u003e• Allen-Bradley 842HR-MJA3115FWY2\u003cbr data-start=\"2433\" data-end=\"2436\"\u003e• Allen-Bradley 842HR-SJA6115FWY2\u003c\/p\u003e","brand":"PLG Automation ","offers":[{"title":"New","offer_id":51727373107502,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_de2742cc-c18b-4712-bfff-90dd421cc41e.jpg?v=1770582627","url":"https:\/\/plgautomation.com\/products\/allen-bradley-842hr-sja3115fwy2-absolute-encoder","provider":"PLG Automation ","version":"1.0","type":"link"}