{"product_id":"heidenhain-ero-785-angle-encoder","title":"HEIDENHAIN ERO 785 Incremental Modular Angle Encoder","description":"\u003cp\u003eThe HEIDENHAIN ERO 785 is an incremental modular angle encoder with a circular scale on a hub and a scanning unit, for rotary axes that need a compact, high-speed angle measurement. Ask AMI about repair, replacement or sourcing for your exact unit; availability and the right replacement path are confirmed before quoting. This page does not claim stock. Legacy model: it is no longer listed in HEIDENHAIN's current modular angle encoder catalog.\u003c\/p\u003e\u003cp\u003eMachine down? Call 1-888-354-2525.\u003c\/p\u003e\u003cp\u003eOwn a ERO 785 that has failed? \u003ca href=\"\/pages\/repair-services\"\u003eAsk about repair options\u003c\/a\u003e.\u003c\/p\u003e\u003cp class=\"ami-cap\" style=\"font-size:12px;color:#555;\"\u003eRepresentative ERO 785 image.\u003c\/p\u003e\u003cp style=\"text-align:center;font-size:20px;font-weight:bold;margin:20px 0 8px;\" class=\"ami-technical-data\"\u003eTechnical data\u003c\/p\u003e\u003ctable style=\"border-collapse:collapse;width:100%;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003eModel\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003eERO 785\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003eType\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003eIncremental modular angle encoder: circular scale with hub and scanning unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003eIncremental signals\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003e1 V\u003csub\u003epp\u003c\/sub\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003eLine count\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003e36,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003eReference mark\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003eOne\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003eCutoff frequency\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003e-3 dB: 180 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003eRecommended measuring step for position capture\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003e0.0001°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003eHub inside diameter\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003e47.2 mm, 102.2 mm or 155.1 mm (indicate when ordering)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003eSystem accuracy\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003e±4.2 arc seconds (47.2 mm), ±3 (102.2 mm), ±2.2 (155.1 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003eAccuracy of the graduation\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003e±3.7 arc seconds (47.2 mm), ±2.5 (102.2 mm), ±1.7 (155.1 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003ePower supply\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003e5 V ±10%, max. 150 mA without load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003eElectrical connection\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003eCable 0.3 m with M23 flange socket (male) on the mounting base; max. cable length 150 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003eMechanical speed\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003eUp to 8000 rpm (47.2 mm), 6000 rpm (102.2 mm), 4000 rpm (155.1 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003eMoment of inertia of rotor\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003e620 x 10\u003csup\u003e-6\u003c\/sup\u003e kgm\u003csup\u003e2\u003c\/sup\u003e (47.2 mm); 3700 x 10\u003csup\u003e-6\u003c\/sup\u003e (102.2 mm); 26000 x 10\u003csup\u003e-6\u003c\/sup\u003e (155.1 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003ePermissible axial motion of measured shaft\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003eSee scanning gap tolerance in the catalog dimension drawing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003eVibration \/ shock\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003e100 m\/s\u003csup\u003e2\u003c\/sup\u003e (55 to 2000 Hz) \/ 1000 m\/s\u003csup\u003e2\u003c\/sup\u003e (6 ms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003eOperating temperature\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003e0 to 50 °C (32 to 122 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003eProtection\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003eIP 00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;background:#111;color:#fff;text-align:left;width:30%;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #ddd;\"\u003eScanning unit approx. 0.19 kg; circular scale with hub 0.46 kg (47.2 mm), 0.87 kg (102.2 mm), 2.6 kg (155.1 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp style=\"font-size:13px;color:#555;\"\u003eSpecifications from the manufacturer's July 2005 angle encoder catalog. Confirm the full ID number, interface and mounting dimensions from your encoder's nameplate before ordering; send the nameplate and we will confirm fit.\u003c\/p\u003e\u003cp\u003eCatalog pages: \u003ca href=\"https:\/\/docs.auto-met.com\/1-HEIDENHAIN-ERO-785-ERA-700-800-Modular-Angle-Encoders-2005.pdf\" target=\"_blank\" rel=\"noopener\"\u003eERO 785 and ERA 700 \/ ERA 800 series specifications (PDF, 8 pages)\u003c\/a\u003e.\u003c\/p\u003e","brand":"HEIDENHAIN","offers":[{"title":"Default Title","offer_id":67722272866621,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/8222\/4189\/files\/2-heidenhain-ero-785-modular-angle-encoder.jpg?v=1792172144","url":"https:\/\/auto-met.com\/products\/heidenhain-ero-785-angle-encoder","provider":"Automation and Metrology, Inc.","version":"1.0","type":"link"}