{"product_id":"products-mini-1503-absolute-rotary-encoder-rs485-tmr","title":"Mini 1503 Single-Turn Absolute Rotary Encoder (TMR Technology) High Precision RS485 Modbus Sensor for Robotics","description":"\u003ch1 data-section-id=\"1vcmjny\" data-start=\"187\" data-end=\"207\"\u003eProduct Overview\u003c\/h1\u003e\n\u003cp data-start=\"208\" data-end=\"340\"\u003eThis is a micro-size single-turn absolute rotary encoder designed for high-precision angle measurement in compact robotic systems.\u003c\/p\u003e\n\u003cp data-start=\"342\" data-end=\"586\"\u003eIt adopts advanced TMR (Tunnel Magnetoresistance) sensing technology, offering high sensitivity, low power consumption, and fast response, making it ideal for applications such as exoskeleton robots, robotic joints, and industrial automation.\u003c\/p\u003e\n\u003chr data-start=\"588\" data-end=\"591\"\u003e\n\u003ch1 data-section-id=\"omktqu\" data-start=\"593\" data-end=\"609\"\u003eKey Features\u003c\/h1\u003e\n\u003cul data-start=\"611\" data-end=\"1049\"\u003e\n\u003cli data-section-id=\"1w54x8l\" data-start=\"611\" data-end=\"675\"\u003eSingle-turn absolute position output (0–360°), no pulse loss\u003c\/li\u003e\n\u003cli data-section-id=\"sjvi0v\" data-start=\"676\" data-end=\"747\"\u003eTMR magnetic sensing technology with high sensitivity and stability\u003c\/li\u003e\n\u003cli data-section-id=\"178atlf\" data-start=\"748\" data-end=\"798\"\u003eHigh resolution options: 10 \/ 12 \/ 15 \/ 16 bit\u003c\/li\u003e\n\u003cli data-section-id=\"12vgh3n\" data-start=\"799\" data-end=\"852\"\u003eRS485 Modbus-RTU communication for industrial use\u003c\/li\u003e\n\u003cli data-section-id=\"1ivo1iu\" data-start=\"853\" data-end=\"879\"\u003eCompact size: Ø15.4 mm\u003c\/li\u003e\n\u003cli data-section-id=\"1je0ffe\" data-start=\"880\" data-end=\"926\"\u003eWide operating temperature: -40°C to 105°C\u003c\/li\u003e\n\u003cli data-section-id=\"1vj9thd\" data-start=\"927\" data-end=\"962\"\u003eLow power consumption: 20–22 mA\u003c\/li\u003e\n\u003cli data-section-id=\"143rh88\" data-start=\"963\" data-end=\"1002\"\u003eSupports high speed up to 15000 RPM\u003c\/li\u003e\n\u003cli data-section-id=\"1iynf70\" data-start=\"1003\" data-end=\"1049\"\u003eProtection level: IP54 (IP67 customizable)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1051\" data-end=\"1054\"\u003e\n\u003ch1 data-section-id=\"jv0kue\" data-start=\"1056\" data-end=\"1085\"\u003eElectrical Specifications\u003c\/h1\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1087\" data-end=\"1542\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1087\" data-end=\"1108\"\u003e\n\u003ctr data-start=\"1087\" data-end=\"1108\"\u003e\n\u003cth data-start=\"1087\" data-end=\"1099\" data-col-size=\"sm\" class=\"\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"1099\" data-end=\"1108\" data-col-size=\"sm\" class=\"\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1129\" data-end=\"1542\"\u003e\n\u003ctr data-start=\"1129\" data-end=\"1165\"\u003e\n\u003ctd data-start=\"1129\" data-end=\"1145\" data-col-size=\"sm\"\u003eCommunication\u003c\/td\u003e\n\u003ctd data-start=\"1145\" data-end=\"1165\" data-col-size=\"sm\"\u003eRS485 Modbus-RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1166\" data-end=\"1201\"\u003e\n\u003ctd data-start=\"1166\" data-end=\"1178\" data-col-size=\"sm\"\u003eBaud Rate\u003c\/td\u003e\n\u003ctd data-start=\"1178\" data-end=\"1201\" data-col-size=\"sm\"\u003eUp to 1,000,000 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1202\" data-end=\"1254\"\u003e\n\u003ctd data-start=\"1202\" data-end=\"1216\" data-col-size=\"sm\"\u003eData Format\u003c\/td\u003e\n\u003ctd data-start=\"1216\" data-end=\"1254\" data-col-size=\"sm\"\u003e8 data bits, no parity, 1 stop bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1255\" data-end=\"1278\"\u003e\n\u003ctd data-start=\"1255\" data-end=\"1272\" data-col-size=\"sm\"\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd data-start=\"1272\" data-end=\"1278\" data-col-size=\"sm\"\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1279\" data-end=\"1313\"\u003e\n\u003ctd data-start=\"1279\" data-end=\"1301\" data-col-size=\"sm\"\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd data-start=\"1301\" data-end=\"1313\" data-col-size=\"sm\"\u003e20–22 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1314\" data-end=\"1366\"\u003e\n\u003ctd data-start=\"1314\" data-end=\"1342\" data-col-size=\"sm\"\u003eDifferential Output Level\u003c\/td\u003e\n\u003ctd data-start=\"1342\" data-end=\"1366\" data-col-size=\"sm\"\u003e1.5–3.3V (120Ω load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1367\" data-end=\"1393\"\u003e\n\u003ctd data-start=\"1367\" data-end=\"1383\" data-col-size=\"sm\"\u003ePower-On Time\u003c\/td\u003e\n\u003ctd data-start=\"1383\" data-end=\"1393\" data-col-size=\"sm\"\u003e200 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1394\" data-end=\"1435\"\u003e\n\u003ctd data-start=\"1394\" data-end=\"1418\" data-col-size=\"sm\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd data-start=\"1418\" data-end=\"1435\" data-col-size=\"sm\"\u003e-40°C ~ 105°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1436\" data-end=\"1475\"\u003e\n\u003ctd data-start=\"1436\" data-end=\"1458\" data-col-size=\"sm\"\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd data-start=\"1458\" data-end=\"1475\" data-col-size=\"sm\"\u003e-40°C ~ 105°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1476\" data-end=\"1494\"\u003e\n\u003ctd data-start=\"1476\" data-end=\"1487\" data-col-size=\"sm\"\u003eHumidity\u003c\/td\u003e\n\u003ctd data-start=\"1487\" data-end=\"1494\" data-col-size=\"sm\"\u003e80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1495\" data-end=\"1542\"\u003e\n\u003ctd data-start=\"1495\" data-end=\"1514\" data-col-size=\"sm\"\u003eProtection Level\u003c\/td\u003e\n\u003ctd data-start=\"1514\" data-end=\"1542\" data-col-size=\"sm\"\u003eIP54 (IP67 customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"1544\" data-end=\"1547\"\u003e\n\u003ch1 data-section-id=\"qe4xv5\" data-start=\"1549\" data-end=\"1576\"\u003ePosition Specifications\u003c\/h1\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1578\" data-end=\"1882\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1578\" data-end=\"1599\"\u003e\n\u003ctr data-start=\"1578\" data-end=\"1599\"\u003e\n\u003cth data-start=\"1578\" data-end=\"1590\" data-col-size=\"sm\" class=\"\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"1590\" data-end=\"1599\" data-col-size=\"md\" class=\"\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1620\" data-end=\"1882\"\u003e\n\u003ctr data-start=\"1620\" data-end=\"1667\"\u003e\n\u003ctd data-start=\"1620\" data-end=\"1634\" data-col-size=\"sm\"\u003eAngle Range\u003c\/td\u003e\n\u003ctd data-start=\"1634\" data-end=\"1667\" data-col-size=\"md\"\u003e0–360° (Single-turn absolute)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1668\" data-end=\"1704\"\u003e\n\u003ctd data-start=\"1668\" data-end=\"1686\" data-col-size=\"sm\"\u003eLinearity Error\u003c\/td\u003e\n\u003ctd data-start=\"1686\" data-end=\"1704\" data-col-size=\"md\"\u003e±0.06° ~ ±0.3°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1705\" data-end=\"1730\"\u003e\n\u003ctd data-start=\"1705\" data-end=\"1721\" data-col-size=\"sm\"\u003eRepeatability\u003c\/td\u003e\n\u003ctd data-start=\"1721\" data-end=\"1730\" data-col-size=\"md\"\u003e0.05°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1731\" data-end=\"1754\"\u003e\n\u003ctd data-start=\"1731\" data-end=\"1745\" data-col-size=\"sm\"\u003eAngle Noise\u003c\/td\u003e\n\u003ctd data-start=\"1745\" data-end=\"1754\" data-col-size=\"md\"\u003e2 bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1755\" data-end=\"1802\"\u003e\n\u003ctd data-start=\"1755\" data-end=\"1768\" data-col-size=\"sm\"\u003eResolution\u003c\/td\u003e\n\u003ctd data-start=\"1768\" data-end=\"1802\" data-col-size=\"md\"\u003e10 \/ 12 \/ 15 \/ 16 bit optional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1803\" data-end=\"1882\"\u003e\n\u003ctd data-start=\"1803\" data-end=\"1827\" data-col-size=\"sm\"\u003eMulti-turn Capability\u003c\/td\u003e\n\u003ctd data-start=\"1827\" data-end=\"1882\" data-col-size=\"md\"\u003eElectronic multi-turn 10–65535 turns (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"1884\" data-end=\"1887\"\u003e\n\u003ch1 data-section-id=\"19ge5mr\" data-start=\"1889\" data-end=\"1918\"\u003eMechanical Specifications\u003c\/h1\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1920\" data-end=\"2285\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1920\" data-end=\"1941\"\u003e\n\u003ctr data-start=\"1920\" data-end=\"1941\"\u003e\n\u003cth data-start=\"1920\" data-end=\"1932\" data-col-size=\"sm\" class=\"\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"1932\" data-end=\"1941\" data-col-size=\"sm\" class=\"\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1962\" data-end=\"2285\"\u003e\n\u003ctr data-start=\"1962\" data-end=\"1987\"\u003e\n\u003ctd data-start=\"1962\" data-end=\"1974\" data-col-size=\"sm\"\u003eMax Speed\u003c\/td\u003e\n\u003ctd data-start=\"1974\" data-end=\"1987\" data-col-size=\"sm\"\u003e15000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1988\" data-end=\"2024\"\u003e\n\u003ctd data-start=\"1988\" data-end=\"2007\" data-col-size=\"sm\"\u003eSpeed Resolution\u003c\/td\u003e\n\u003ctd data-start=\"2007\" data-end=\"2024\" data-col-size=\"sm\"\u003e0.2–10000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2025\" data-end=\"2050\"\u003e\n\u003ctd data-start=\"2025\" data-end=\"2042\" data-col-size=\"sm\"\u003eShaft Diameter\u003c\/td\u003e\n\u003ctd data-start=\"2042\" data-end=\"2050\" data-col-size=\"sm\"\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2051\" data-end=\"2075\"\u003e\n\u003ctd data-start=\"2051\" data-end=\"2066\" data-col-size=\"sm\"\u003eShaft Length\u003c\/td\u003e\n\u003ctd data-start=\"2066\" data-end=\"2075\" data-col-size=\"sm\"\u003e15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2076\" data-end=\"2099\"\u003e\n\u003ctd data-start=\"2076\" data-end=\"2090\" data-col-size=\"sm\"\u003eRadial Load\u003c\/td\u003e\n\u003ctd data-start=\"2090\" data-end=\"2099\" data-col-size=\"sm\"\u003e100 N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2100\" data-end=\"2121\"\u003e\n\u003ctd data-start=\"2100\" data-end=\"2113\" data-col-size=\"sm\"\u003eAxial Load\u003c\/td\u003e\n\u003ctd data-start=\"2113\" data-end=\"2121\" data-col-size=\"sm\"\u003e30 N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2122\" data-end=\"2162\"\u003e\n\u003ctd data-start=\"2122\" data-end=\"2141\" data-col-size=\"sm\"\u003eShock Resistance\u003c\/td\u003e\n\u003ctd data-start=\"2141\" data-end=\"2162\" data-col-size=\"sm\"\u003e100 g (1000 m\/s²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2163\" data-end=\"2204\"\u003e\n\u003ctd data-start=\"2163\" data-end=\"2178\" data-col-size=\"sm\"\u003eBearing Life\u003c\/td\u003e\n\u003ctd data-start=\"2178\" data-end=\"2204\" data-col-size=\"sm\"\u003e3.6 × 10¹⁰ revolutions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2205\" data-end=\"2235\"\u003e\n\u003ctd data-start=\"2205\" data-end=\"2224\" data-col-size=\"sm\"\u003eHousing Diameter\u003c\/td\u003e\n\u003ctd data-start=\"2224\" data-end=\"2235\" data-col-size=\"sm\"\u003e15.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2236\" data-end=\"2285\"\u003e\n\u003ctd data-start=\"2236\" data-end=\"2249\" data-col-size=\"sm\"\u003eShaft Type\u003c\/td\u003e\n\u003ctd data-start=\"2249\" data-end=\"2285\" data-col-size=\"sm\"\u003eSolid shaft \/ Blind hollow shaft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2287\" data-end=\"2290\"\u003e\n\u003ch1 data-section-id=\"190yrsj\" data-start=\"2292\" data-end=\"2321\"\u003eTMR Technology Advantages\u003c\/h1\u003e\n\u003cp data-start=\"2323\" data-end=\"2371\"\u003eCompared with Hall, AMR, and GMR technologies:\u003c\/p\u003e\n\u003cul data-start=\"2373\" data-end=\"2488\"\u003e\n\u003cli data-section-id=\"akvey9\" data-start=\"2373\" data-end=\"2400\"\u003eLower power consumption\u003c\/li\u003e\n\u003cli data-section-id=\"1wuty58\" data-start=\"2401\" data-end=\"2423\"\u003eHigher sensitivity\u003c\/li\u003e\n\u003cli data-section-id=\"atwbfp\" data-start=\"2424\" data-end=\"2440\"\u003eSmaller size\u003c\/li\u003e\n\u003cli data-section-id=\"1vxyo8s\" data-start=\"2441\" data-end=\"2460\"\u003eFaster response\u003c\/li\u003e\n\u003cli data-section-id=\"6llcay\" data-start=\"2461\" data-end=\"2488\"\u003eLower temperature drift\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2490\" data-end=\"2493\"\u003e\n\u003ch1 data-section-id=\"110ugzz\" data-start=\"2495\" data-end=\"2511\"\u003eApplications\u003c\/h1\u003e\n\u003cul data-start=\"2513\" data-end=\"2649\"\u003e\n\u003cli data-section-id=\"wrjqx2\" data-start=\"2513\" data-end=\"2537\"\u003eRobotic exoskeletons\u003c\/li\u003e\n\u003cli data-section-id=\"1os6ua0\" data-start=\"2538\" data-end=\"2558\"\u003eQuadruped robots\u003c\/li\u003e\n\u003cli data-section-id=\"1c49vrg\" data-start=\"2559\" data-end=\"2586\"\u003eIndustrial robotic arms\u003c\/li\u003e\n\u003cli data-section-id=\"kxm5ar\" data-start=\"2587\" data-end=\"2612\"\u003eRobotics competitions\u003c\/li\u003e\n\u003cli data-section-id=\"1nwh69d\" data-start=\"2613\" data-end=\"2649\"\u003ePrecision motion control systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2651\" data-end=\"2654\"\u003e\n\u003ch1 data-section-id=\"m0w1b9\" data-start=\"2656\" data-end=\"2665\"\u003eNotes\u003c\/h1\u003e\n\u003cul data-start=\"2667\" data-end=\"2821\"\u003e\n\u003cli data-section-id=\"qbx502\" data-start=\"2667\" data-end=\"2733\"\u003eDimensions based on 15.4 mm diameter, 3 mm solid shaft version\u003c\/li\u003e\n\u003cli data-section-id=\"lodw28\" data-start=\"2734\" data-end=\"2821\"\u003eInstallation should avoid interference with shaft retaining ring (0.4 mm thickness)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RobotDoo","offers":[{"title":"Dual-end cable \/ 12-bit (4096)","offer_id":47524686954726,"sku":null,"price":43.35,"currency_code":"USD","in_stock":true},{"title":"Dual-end cable \/ 15-bit (32768)","offer_id":47524686987494,"sku":null,"price":49.95,"currency_code":"USD","in_stock":true},{"title":"Dual-end cable \/ 16-bit (65536)","offer_id":47524687020262,"sku":null,"price":55.5,"currency_code":"USD","in_stock":true},{"title":"Single-end glue cable \/ 12-bit (4096)","offer_id":47524687053030,"sku":null,"price":43.35,"currency_code":"USD","in_stock":true},{"title":"Single-end glue cable \/ 15-bit (32768)","offer_id":47524687085798,"sku":null,"price":49.95,"currency_code":"USD","in_stock":true},{"title":"Single-end glue cable \/ 16-bit (65536)","offer_id":47524687118566,"sku":null,"price":55.5,"currency_code":"USD","in_stock":true},{"title":"Dual-end + terminal \/ 12-bit (4096)","offer_id":47524687151334,"sku":null,"price":45.35,"currency_code":"USD","in_stock":true},{"title":"Dual-end + terminal \/ 15-bit (32768)","offer_id":47524687184102,"sku":null,"price":51.95,"currency_code":"USD","in_stock":true},{"title":"Dual-end + terminal \/ 16-bit (65536)","offer_id":47524687216870,"sku":null,"price":57.5,"currency_code":"USD","in_stock":true},{"title":"Dual-end + 2 terminal cables \/ 12-bit (4096)","offer_id":47524687249638,"sku":null,"price":46.35,"currency_code":"USD","in_stock":true},{"title":"Dual-end + 2 terminal cables \/ 15-bit (32768)","offer_id":47524687282406,"sku":null,"price":52.95,"currency_code":"USD","in_stock":true},{"title":"Dual-end + 2 terminal cables \/ 16-bit (65536)","offer_id":47524687315174,"sku":null,"price":58.75,"currency_code":"USD","in_stock":true},{"title":"Kit (Encoder + cables + USB-RS485) \/ 12-bit (4096)","offer_id":47524687347942,"sku":null,"price":339.0,"currency_code":"USD","in_stock":true},{"title":"Kit (Encoder + cables + USB-RS485) \/ 15-bit (32768)","offer_id":47524687380710,"sku":null,"price":382.0,"currency_code":"USD","in_stock":true},{"title":"Kit (Encoder + cables + USB-RS485) \/ 16-bit (65536)","offer_id":47524687413478,"sku":null,"price":422.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0954\/0326\/files\/06_f3432c3b-9529-4311-88e5-61f113410e0a.jpg?v=1775706640","url":"https:\/\/robotdoo.com\/products\/products-mini-1503-absolute-rotary-encoder-rs485-tmr","provider":"RobotDoo","version":"1.0","type":"link"}