{"product_id":"zeroerr-ecoder18-magnetic-encoders","title":"ZeroErr eCoder18 RS485 Absolute Magnetic Encoder, 17\/19-Bit Single- or Multi-Turn","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe ZeroErr eCoder18 is an axial-reading absolute magnetic encoder with an 18 mm through-hole, RS485 versions, and selectable 17-bit or 19-bit resolution. Single-turn and multi-turn absolute-value versions are available; the multi-turn version is a non-contact, multi-turn absolute type. The assembly consists of a circular encoder on a square mounting plate with a board-mounted white multi-pin connector.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e18 mm through-hole for passing mechanical structures, cables, air lines, and similar items.\u003c\/li\u003e\n\u003cli\u003eInternally threaded code disc with a Ø18 mm opening. The internal threading supports convenient installation and controlled installation accuracy.\u003c\/li\u003e\n\u003cli\u003eProgrammable zero position stored in internal EEPROM.\u003c\/li\u003e\n\u003cli\u003ePrecision positioning reference for fast, accurate installation.\u003c\/li\u003e\n\u003cli\u003eStated no-hysteresis operation; the specified hysteresis is less than one unit of resolution.\u003c\/li\u003e\n\u003cli\u003eSupports servo, linear, DDR (direct-drive rotary), coreless, and voice-coil motors.\u003c\/li\u003e\n\u003cli\u003eSpecified for dust, heavy oil contamination, high- and low-temperature conditions, and complex electromagnetic environments; stated as suitable for reliable operation in harsh environments.\u003c\/li\u003e\n\u003cli\u003eStandard RS-485 protocol; described as compatible with Tamagawa absolute encoders.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOptions\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersion:\u003c\/strong\u003e Absolute value of a single lap (RS485), or absolute value of multiple turns (RS485).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 17-bit or 19-bit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiturn Counting Battery:\u003c\/strong\u003e Not Include, or Include (Two pieces per pack). Battery selection is available only with the listed multi-turn configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e19-Bit Multi-Turn Configuration\u003c\/h3\u003e\u003cp\u003eThe 19-bit multi-turn absolute encoder configuration provides up to 19-bit resolution and 240 counting revolutions. It supports programmable, storable point-by-point position compensation and is specified with repeatability of ±10 arcseconds.\u003c\/p\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\u003eeCoder18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum absolute tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.06°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e±10 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\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 V to 5.4 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent consumption\u003c\/td\u003e\n\u003ctd\u003e105 mA to 125 mA (eCoder11, eCoder18, eCoder20)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003e8-pin connection; board-mounted white multi-pin connector\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\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\u003eMaximum thickness (specified)\u003c\/td\u003e\n\u003ctd\u003e9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eeCoder18\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnetic ring inner diameter\u003c\/td\u003e\n\u003ctd\u003e18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnetic ring outer diameter\u003c\/td\u003e\n\u003ctd\u003e33.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnetic ring weight\u003c\/td\u003e\n\u003ctd\u003e14.8 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnetic ring thickness\u003c\/td\u003e\n\u003ctd\u003e8.7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReadhead inner diameter\u003c\/td\u003e\n\u003ctd\u003e22 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReadhead outer diameter\u003c\/td\u003e\n\u003ctd\u003e34 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReadhead weight\u003c\/td\u003e\n\u003ctd\u003e3.6 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\u003e360°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum resolution\u003c\/td\u003e\n\u003ctd\u003e19 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Drawing Dimensions\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eCallout\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall horizontal dimension\u003c\/td\u003e\n\u003ctd\u003e37.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting holes\u003c\/td\u003e\n\u003ctd\u003e2 × Ø2.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVertical dimensions\u003c\/td\u003e\n\u003ctd\u003e30.34 mm, 19.5 mm, 17.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRadius\u003c\/td\u003e\n\u003ctd\u003eR17.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003eØ18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimension\u003c\/td\u003e\n\u003ctd\u003e1.7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom dimensions\u003c\/td\u003e\n\u003ctd\u003e16.5 mm, 4.75 mm, 4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop diameter\u003c\/td\u003e\n\u003ctd\u003eØ22 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread\u003c\/td\u003e\n\u003ctd\u003eM20.8 × 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameters\u003c\/td\u003e\n\u003ctd\u003eØ21 mm, Ø24.9 mm, Ø33.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVertical dimension\u003c\/td\u003e\n\u003ctd\u003e8.7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall height\u003c\/td\u003e\n\u003ctd\u003e14 ± 0.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGeometric tolerance\u003c\/td\u003e\n\u003ctd\u003e0.05 relative to datum A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\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\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-18-magnetic-encoders-stp.step?v=1790434387\" rel=\"noopener noreferrer\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\" target=\"_blank\"\u003ezeroerr eCoder18 — 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-18-magnetic-encoders-drawing-product-installation.pdf?v=1790434394\" rel=\"noopener noreferrer\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\" target=\"_blank\"\u003eZeroErr eCoder18 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\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\" 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 src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/zeroerr-ecoder18-rs485-absolute-magnet-ca9b585727.webp?v=1790435340\" alt=\"ZeroErr eCoder18 absolute encoder board with central through-hole and connector\" loading=\"lazy\"\u003e\u003cfigcaption\u003eThe eCoder18 encoder board has a white multi-pin board connector. ZeroErr eCoder18 is labeled as an 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 src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/zeroerr-ecoder18-rs485-absolute-magnet-f7cee4813a.webp?v=1790435346\" alt=\"eCoder18 encoder 18 mm through-hole and compact profile graphic\" loading=\"lazy\"\u003e\u003cfigcaption\u003eThe eCoder18 has an 18 mm through-hole. Maximum thickness is 9 mm.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/zeroerr-ecoder18-rs485-absolute-magnet-603f6a2825.webp?v=1790435365\" alt=\"eCoder18 environmental and installation feature graphic\" loading=\"lazy\"\u003e\u003cfigcaption\u003eAssembly tolerance is up to 0.1 mm. The encoder is stated to remain applicable in dust, heavy oil contamination, high and low temperatures, and complex electromagnetic environments.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eSpecifications and Performance\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/zeroerr-ecoder18-rs485-absolute-magnet-743263c31f.webp?v=1790435350\" alt=\"eCoder18 19-bit multi-turn absolute encoder configuration graphic\" loading=\"lazy\"\u003e\u003cfigcaption\u003eThe 19-bit multi-turn absolute encoder provides up to 19-bit resolution and 240 counting revolutions. The 19-bit multi-turn absolute encoder supports programmable and storable point-by-point position compensation.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eSetup and Use\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/zeroerr-ecoder18-rs485-absolute-magnet-4d5db4b57f.webp?v=1790435355\" alt=\"eCoder18 internally threaded code disc with 18 mm opening\" loading=\"lazy\"\u003e\u003cfigcaption\u003eThe code disc opening is labeled Ø18 mm. The code disc has internal threads for installation.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eApplication Examples\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/zeroerr-ecoder18-rs485-absolute-magnet-e5fc3384ef.webp?v=1790435360\" alt=\"eCoder18 encoder installed on a motor\" loading=\"lazy\"\u003e\u003cfigcaption\u003eAllowable speed is up to 12,000 RPM. The encoder supports servo, linear, DDR (direct drive rotary), coreless, and voice coil motors.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eInterfaces and Connections\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/zeroerr-ecoder18-rs485-absolute-magnet-28aa19bdf7.webp?v=1790435369\" alt=\"eCoder18 RS-485 protocol compatibility graphic\" loading=\"lazy\"\u003e\u003cfigcaption\u003eThe encoder supports the RS-485 interface protocol. The encoder uses a standard RS-485 protocol and is compatible with Tamagawa absolute encoders.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eDimensions and Construction\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/zeroerr-ecoder18-rs485-absolute-magnet-a17b2506cc.webp?v=1790435374\" alt=\"ZeroErr eCoder18 installation drawing with dimensions and connector layout\" loading=\"lazy\"\u003e\u003cfigcaption\u003eThe drawing labels an overall horizontal dimension of 37.5 mm. The drawing specifies two mounting holes of diameter 2.1 mm.\u003c\/figcaption\u003e\u003c\/figure\u003e","brand":"ZeroErr","offers":[{"title":"Absolute value of a single lap (RS485) \/ 17-bit \/ Not Include","offer_id":54951551926496,"sku":"ZER-70655677","price":259.0,"currency_code":"USD","in_stock":true},{"title":"Absolute value of a single lap (RS485) \/ 19-bit \/ Not Include","offer_id":54951551959264,"sku":"ZER-98B3842B","price":259.0,"currency_code":"USD","in_stock":true},{"title":"Absolute value of multiple turns (RS485) \/ 17-bit \/ Not Include","offer_id":54951551992032,"sku":"ZER-4DD3B0C7","price":287.0,"currency_code":"USD","in_stock":true},{"title":"Absolute value of multiple turns (RS485) \/ 17-bit \/ Include (Two pieces per pack)","offer_id":54951552024800,"sku":"ZER-D67C64BE","price":315.0,"currency_code":"USD","in_stock":true},{"title":"Absolute value of multiple turns (RS485) \/ 19-bit \/ Not Include","offer_id":54951552057568,"sku":"ZER-CB05353A","price":287.0,"currency_code":"USD","in_stock":true},{"title":"Absolute value of multiple turns (RS485) \/ 19-bit \/ Include (Two pieces per pack)","offer_id":54951552090336,"sku":"ZER-E66A3C36","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/zeroerr-ecoder18-magnetic-encoders-9ec1d75422-01.webp?v=1790434340","url":"https:\/\/rcdrone.top\/pl\/products\/zeroerr-ecoder18-magnetic-encoders","provider":"RCDrone","version":"1.0","type":"link"}