{"product_id":"heidenhain-lc-493m-linear-encoder","title":"HEIDENHAIN LC 493M Linear Encoder","description":"\u003cp style=\"font-size: 12px; color: #666;\"\u003eCatalog photo shows the LC 483 with mounting spar. It is not a photo of the LC 493M; check your unit's ID tag.\u003c\/p\u003e\n\u003cp\u003eThe HEIDENHAIN LC 493M (also written LC493M) is a linear encoder. If yours is giving trouble, Automation and Metrology can evaluate it before you commit to a replacement. We work on older encoders, including units that may no longer be available new.\u003c\/p\u003e\n\u003ch2 class=\"ami-md\" style=\"display: flex; align-items: center; gap: .55em; font-size: 17px; margin: 1em 0;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; width: .6em; height: .6em; background: #c8102e; border-radius: 50%; box-shadow: 0 0 0 4px rgba(200,16,46,.18);\"\u003e\u003c\/span\u003e\u003cspan\u003ewe specialize in \u003cstrong style=\"font-size: 1.5em; font-weight: 800; color: #c8102e;\"\u003emachine down\u003c\/strong\u003e linear encoder repair or replacement\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow it works:\u003c\/strong\u003e Send us your scale for a free evaluation. We will give you a repair quote quickly, before work starts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTurnaround:\u003c\/strong\u003e Rush repairs typically take 1-2 days; standard repairs typically take 1-2 weeks. We will confirm the timing for your unit with the quote. If repair is not practical, we can help identify a suitable current HEIDENHAIN replacement.\u003c\/p\u003e\n\u003ch2\u003eCatalog specifications\u003c\/h2\u003e\n\u003cp style=\"font-size: 13px; color: #555;\"\u003eFrom the HEIDENHAIN Linear Encoders for Numerically Controlled Machine Tools catalog, July 2010. Printed in the 2010 catalog on the same page as the LC 483 and LC 493F. This page lists the LC 493M column only. Values are catalog values for this model; confirm your unit's configuration from its ID tag.\u003c\/p\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; font-size: 14px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003eAbsolute position values\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eMitsubishi high speed serial interface, Mit 02-4 or Mitsu 01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003eResolution\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003e0.01 µm (accuracy ±3 µm); 0.05 µm (accuracy ±5 µm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003eIncremental signals\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eNone (–)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003eCable length (HEIDENHAIN cable)\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eUp to 20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003eMeasuring lengths (mm)\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003e70, 120, 170, 220, 270, 320, 370, 420, 470, 520, 570, 620, 670, 720, 770, 820, 870, 920, 1020, 1140, 1240 (mounting spar or clamping elements optional); 1340, 1440, 1540, 1640, 1740, 1840, 2040 (mounting spar or clamping elements necessary)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003eExpansion coefficient\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003e8 x 10-6 K-1 (mounting type without spar); 9 x 10-6 K-1 with mounting spar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003eRequired moving force\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eUp to 5 N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003eVibration 55 to 2000 Hz\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eWithout mounting spar up to 100 m\/s²; with mounting spar and cable outlet right\/left up to 200 m\/s² \/ 100 m\/s² (IEC 60 068-2-6)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eEncoder 0.2 kg + 0.5 kg\/m measuring length; mounting spar 0.9 kg\/m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003eMeasuring standard\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eDIADUR glass scale with absolute track and incremental track\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003eAccuracy grade\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003e±3 µm; ±5 µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003ePower supply (without load)\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003e3.6 to 5.25 V \/ less than 300 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003eElectrical connection\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eSeparate adapter cable (1 m\/3 m\/6 m\/9 m) connectable to mounting block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003eTraversing speed\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eUp to 180 m\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003eAcceleration\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eUp to 100 m\/s² in measuring direction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003eShock (11 ms)\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eUp to 300 m\/s² (IEC 60 068-2-27)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003eOperating temperature\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003e0 °C to 50 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003eProtection (IEC 60 529)\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eIP 53 when mounted according to the mounting instructions; IP 64 if compressed air is connected via DA 300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; vertical-align: top; padding: 6px 10px; border: 1px solid #ddd; background: #f6f6f6; width: 34%;\"\u003eGrating period\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003e20 µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eDocuments\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/auto-met.com\/cdn\/shop\/files\/156-AMI-HEIDENHAIN-LC-483-LC-493F-LC-493M-Spec-Sheet.pdf\"\u003eHEIDENHAIN spec sheet, LC 483 \/ LC 493F \/ LC 493M (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/auto-met.com\/cdn\/shop\/files\/173-AMI-HEIDENHAIN-Linear-Encoders-Catalog-2010.pdf\"\u003eHEIDENHAIN linear encoders catalog, 2010 (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease send the full model and ID number from the unit's label, plus its measuring length and connector details, so we can check the right configuration. Do not assume a similar model is a drop-in replacement.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\" style=\"display: inline-block; background: #c8102e; color: #fff; padding: 12px 20px; text-decoration: none;\"\u003eRequest a Quote\u003c\/a\u003e Or call 1-888-354-2525.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/repair-services\"\u003eEncoder repair services\u003c\/a\u003e\u003c\/p\u003e","brand":"HEIDENHAIN","offers":[{"title":"Default Title","offer_id":67637107753277,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/8222\/4189\/files\/104-HEIDENHAIN-LC-483-with-mounting-spar_734f006e-e1c6-404f-86ca-9b452fa7a742.png?v=1791296297","url":"https:\/\/auto-met.com\/products\/heidenhain-lc-493m-linear-encoder","provider":"Automation and Metrology, Inc.","version":"1.0","type":"link"}