{"product_id":"zeroerr-ecoder45-magnetic-encoders","title":"ZeroErr eCoder45 RS485 Absolute Magnetic Encoder, 17–20-Bit Single- and Multi-Turn Options","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe \u003ca class=\"product-context-link\" href=\"https:\/\/rcdrone.top\/collections\/zeroerr-rotary-actuator\/\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\"\u003eZeroErr\u003c\/a\u003e eCoder45 is an axial-reading absolute magnetic encoder with an RS485 interface. It is available in single-lap and multi-turn versions with selectable 17-bit, 18-bit, 19-bit, or 20-bit resolution.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e45 mm through-hole opening for passage of mechanical structures, cables, and air lines.\u003c\/li\u003e\n\u003cli\u003eProgrammable zero position stored in internal EEPROM.\u003c\/li\u003e\n\u003cli\u003ePrecision positioning reference for installation.\u003c\/li\u003e\n\u003cli\u003e8-pin connection and 4.7–5.4 V supply-voltage range.\u003c\/li\u003e\n\u003cli\u003eApplicable in dust-contaminated, heavy-oil-contaminated, and high- or low-temperature environments; the stated harsh-environment applicability excludes complex electromagnetic environments.\u003c\/li\u003e\n\u003cli\u003eUses the standard RS-485 protocol and is compatible with Tamagawa absolute encoders.\u003c\/li\u003e\n\u003cli\u003eMechanical layout includes section A-A and a ring-shaped encoder body with an integrated side electronics section.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eConfiguration Options\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSelection\u003c\/th\u003e\n\u003cth\u003eAvailable options\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eVersion\u003c\/td\u003e\n\u003ctd\u003eAbsolute value of a single lap (RS485); Absolute value of multiple turns (RS485)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e17-bit; 18-bit; 19-bit; 20-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMultiturn Counting \u003ca class=\"product-context-link\" href=\"https:\/\/rcdrone.top\/collections\/drone-battery\/\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\"\u003eBattery\u003c\/a\u003e\n\u003c\/td\u003e\n\u003ctd\u003eNot Include; Include (Two pieces per pack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThe single-lap version supports RS-485. The multi-turn version is a non-contact, multi-turn absolute encoder that supports RS-485 and allows mechanical structures, cables, and air lines to pass through the opening.\u003c\/p\u003e\u003cp\u003eThe multi-turn 20-bit configuration is a 20-bit multi-turn absolute encoder specified with 2\u003csup\u003e16\u003c\/sup\u003e counting revolutions and programmable, storable point-by-point position compensation. With position compensation, its stated repeatability is ±5 arcseconds.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHumanoid robots\u003c\/li\u003e\n\u003cli\u003eRobotic arms\u003c\/li\u003e\n\u003cli\u003eExoskeletons\u003c\/li\u003e\n\u003cli\u003eQuadruped robots\u003c\/li\u003e\n\u003cli\u003eAGV vehicles\u003c\/li\u003e\n\u003cli\u003eARU robots\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eeCoder45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum absolute tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.05°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e±5 arcseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReading type\u003c\/td\u003e\n\u003ctd\u003eAxial reading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e17-bit to 21-bit and 16-bit multiturn counter option\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum speed\u003c\/td\u003e\n\u003ctd\u003e6,000 RPM (eCoder35, eCoder45, eCoder65, eCoder35H)\u003cbr\u003e12,000 RPM (eCoder11, eCoder18, eCoder20)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHysteresis\u003c\/td\u003e\n\u003ctd\u003eLess than unit of resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply voltage\u003c\/td\u003e\n\u003ctd\u003e4.7–5.4 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent consumption\u003c\/td\u003e\n\u003ctd\u003e105–125 mA (eCoder11, eCoder18, eCoder20)\u003cbr\u003e70–90 mA (eCoder35, eCoder45, eCoder65)\u003cbr\u003e115–130 mA (eCoder35H)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003e8-pin connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery standard voltage\u003c\/td\u003e\n\u003ctd\u003e3.6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery warning voltage\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3.05 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery operating current\u003c\/td\u003e\n\u003ctd\u003e4 μA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +105 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +105 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal magnetic field\u003c\/td\u003e\n\u003ctd\u003e±20 mT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eMechanical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eeCoder45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnetic ring inner diameter\u003c\/td\u003e\n\u003ctd\u003e45 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnetic ring outer diameter\u003c\/td\u003e\n\u003ctd\u003e64 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnetic ring weight\u003c\/td\u003e\n\u003ctd\u003e22.2 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnetic ring thickness\u003c\/td\u003e\n\u003ctd\u003e2.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReadhead inner diameter\u003c\/td\u003e\n\u003ctd\u003e51 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReadhead outer diameter\u003c\/td\u003e\n\u003ctd\u003e75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReadhead weight\u003c\/td\u003e\n\u003ctd\u003e2.8 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReadhead maximum thickness\u003c\/td\u003e\n\u003ctd\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReadhead arc length\u003c\/td\u003e\n\u003ctd\u003e90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum resolution\u003c\/td\u003e\n\u003ctd\u003e20 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly tolerance\u003c\/td\u003e\n\u003ctd\u003eUp to 0.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThrough-hole diameter\u003c\/td\u003e\n\u003ctd\u003eUp to 45 mm; Ø45 +0.125\/0 callout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdditional diameter\u003c\/td\u003e\n\u003ctd\u003eØ51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter diameter\u003c\/td\u003e\n\u003ctd\u003eØ64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCross-sectional vertical dimension\u003c\/td\u003e\n\u003ctd\u003e14 ±0.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdditional cross-sectional dimensions\u003c\/td\u003e\n\u003ctd\u003e9, 1.6, 1.5, and 2.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting holes\u003c\/td\u003e\n\u003ctd\u003e8 × Ø2.1; 3 × Ø2.1; 2 × Ø2 +0.02\/0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRadial dimensions\u003c\/td\u003e\n\u003ctd\u003eR35, R25.5, R37.5, and R32.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter circular feature\u003c\/td\u003e\n\u003ctd\u003eØ48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAngular callouts\u003c\/td\u003e\n\u003ctd\u003e90°, 53.5°, 45°, 22.5°, and 6.25°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector-side mounting geometry\u003c\/td\u003e\n\u003ctd\u003e7.5 dimension\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLower mounting-detail dimensions\u003c\/td\u003e\n\u003ctd\u003e2.3 and 2.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGeometric tolerance\u003c\/td\u003e\n\u003ctd\u003e0.05 referenced to datum A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eDownloads\u003c\/h2\u003e\n\u003ch2\u003eDownloads \u0026amp; Resources\u003c\/h2\u003e\u003cul class=\"tophitek-resource-list\"\u003e\n\u003cli\u003e\u003ca class=\"tophitek-resource-link\" href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/zeroerr-ecoder-45-magnetic-encoders-stp.step?v=1790436946\" rel=\"noopener noreferrer\" target=\"_blank\"\u003ezeroerr eCoder45 — 3D Model (STEP)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca class=\"tophitek-resource-link\" href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/zeroerr-ecoder-45-magnetic-encoders-drawing-product-installation.pdf?v=1790436953\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eZeroErr eCoder45 Drawing instalation — Installation Drawing (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca class=\"tophitek-resource-link\" href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/zeroerr-ecoder-35-magnetic-encoders-manual-ver-2-4-1.pdf?v=1789644758\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eZeroErr ZeroErr eCoder Ver2.4 1 — Manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eVisual Details\u003c\/h2\u003e\n\u003ch3\u003eProduct Views\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"ZeroErr eCoder45 circular absolute encoder with exposed electronics board\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/zeroerr-ecoder45-rs485-absolute-magnet-6225adac6b.webp?v=1790437421\"\u003e\u003cfigcaption\u003eThe product is identified as the ZeroErr eCoder45 Absolute Encoder.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eFeatures and Design\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"eCoder45 encoder with 45 mm opening and 2.5 mm magnetic ring thickness\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/zeroerr-ecoder45-rs485-absolute-magnet-2a35527a3a.webp?v=1790437426\"\u003e\u003cfigcaption\u003eThe encoder has a 45 mm diameter opening. The encoder has an average thickness of 2.5 mm.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"eCoder45 environmental and installation feature graphic\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/zeroerr-ecoder45-rs485-absolute-magnet-eab85b60d4.webp?v=1790437439\"\u003e\u003cfigcaption\u003eThe assembly tolerance is up to 0.1 mm. The product is presented as applicable in environments with dust contamination.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eDimensions and Construction\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"ZeroErr eCoder45 encoder with 45 mm through-hole opening\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/zeroerr-ecoder45-rs485-absolute-magnet-8d4ab3cc23.webp?v=1790437430\"\u003e\u003cfigcaption\u003eThe encoder has a large through-hole up to 45 mm in diameter. The through-hole allows passage of mechanical structures, cables, and air lines.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"ZeroErr eCoder45 mechanical drawing with mounting pattern and dimensions\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/zeroerr-ecoder45-rs485-absolute-magnet-51e2e669ca.webp?v=1790437448\"\u003e\u003cfigcaption\u003eThe mechanical drawing specifies an outer diameter of Ø64. The mechanical drawing specifies an inner diameter of Ø45 with a +0.125\/0 tolerance callout.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eSpecifications and Performance\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"20-bit multi-turn eCoder45 configuration with position compensation\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/zeroerr-ecoder45-rs485-absolute-magnet-61dcad0394.webp?v=1790437435\"\u003e\u003cfigcaption\u003eThe depicted configuration is a 20-bit multi-turn absolute encoder. The depicted configuration provides up to 20-bit resolution.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eInterfaces and Connections\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"eCoder45 RS-485 interface and Tamagawa compatibility graphic\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/zeroerr-ecoder45-rs485-absolute-magnet-9750a9785f.webp?v=1790437443\"\u003e\u003cfigcaption\u003eThe single-lap version supports the RS-485 interface protocol. The multi-turn version supports the RS-485 interface protocol.\u003c\/figcaption\u003e\u003c\/figure\u003e","brand":"ZeroErr","offers":[{"title":"Absolute value of a single lap (RS485) \/ 17-bit \/ Not Include","offer_id":54951634731232,"sku":"ZER-7FDEB03E","price":357.0,"currency_code":"USD","in_stock":true},{"title":"Absolute value of a single lap (RS485) \/ 18-bit \/ Not Include","offer_id":54951634764000,"sku":"ZER-3EF5EC74","price":357.0,"currency_code":"USD","in_stock":true},{"title":"Absolute value of a single lap (RS485) \/ 19-bit \/ Not Include","offer_id":54951634796768,"sku":"ZER-0D1CA423","price":357.0,"currency_code":"USD","in_stock":true},{"title":"Absolute value of a single lap (RS485) \/ 20-bit \/ Not Include","offer_id":54951634829536,"sku":"ZER-7481EE45","price":357.0,"currency_code":"USD","in_stock":true},{"title":"Absolute value of multiple turns (RS485) \/ 17-bit \/ Not Include","offer_id":54951634862304,"sku":"ZER-FDB0AA46","price":385.0,"currency_code":"USD","in_stock":true},{"title":"Absolute value of multiple turns (RS485) \/ 17-bit \/ Include (Two pieces per pack)","offer_id":54951634895072,"sku":"ZER-D4408116","price":413.0,"currency_code":"USD","in_stock":true},{"title":"Absolute value of multiple turns (RS485) \/ 18-bit \/ Not Include","offer_id":54951634927840,"sku":"ZER-F0576C52","price":385.0,"currency_code":"USD","in_stock":true},{"title":"Absolute value of multiple turns (RS485) \/ 18-bit \/ Include (Two pieces per pack)","offer_id":54951634960608,"sku":"ZER-C892D866","price":413.0,"currency_code":"USD","in_stock":true},{"title":"Absolute value of multiple turns (RS485) \/ 19-bit \/ Not Include","offer_id":54951634993376,"sku":"ZER-DF8A61EB","price":385.0,"currency_code":"USD","in_stock":true},{"title":"Absolute value of multiple turns (RS485) \/ 19-bit \/ Include (Two pieces per pack)","offer_id":54951635026144,"sku":"ZER-7D1E6660","price":413.0,"currency_code":"USD","in_stock":true},{"title":"Absolute value of multiple turns (RS485) \/ 20-bit \/ Not Include","offer_id":54951635058912,"sku":"ZER-8E8DC1A9","price":385.0,"currency_code":"USD","in_stock":true},{"title":"Absolute value of multiple turns (RS485) \/ 20-bit \/ Include (Two pieces per pack)","offer_id":54951635091680,"sku":"ZER-C2ECBB44","price":413.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/zeroerr-ecoder45-magnetic-encoders-cfb7790da9-01.webp?v=1790436914","url":"https:\/\/rcdrone.top\/uk\/products\/zeroerr-ecoder45-magnetic-encoders","provider":"RCDrone","version":"1.0","type":"link"}