{"product_id":"mitsubishi-osa104s2","title":"Mitsubishi OSA104S2 Encoder","description":"\u003ch3 style=\"margin:0 0 18px;\"\u003eMitsubishi OSA104S2 Absolute Servo Motor Rotary Encoder\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eMitsubishi OSA104S2\u003c\/strong\u003e is an \u003cstrong\u003eabsolute rotary encoder\u003c\/strong\u003e used as the motor-side feedback detector on select Mitsubishi HC and HC-R AC servo motors. Mitsubishi identifies it as detector code \u003cstrong\u003eA42\u003c\/strong\u003e, with \u003cstrong\u003eabsolute-position detection and 100,000 pulses per revolution\u003c\/strong\u003e. Its feedback supports accurate closed-loop positioning and speed control in CNC and industrial motion systems.\u003c\/p\u003e\n\n\u003ch4 style=\"margin:32px 0 14px;\"\u003eOSA104S2 Product Details\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\" border=\"1\" cellpadding=\"7\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMitsubishi Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eModel \/ MPN\u003c\/th\u003e\n\u003ctd\u003eOSA104S2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eAbsolute rotary encoder \/ servo motor feedback detector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eDetection \/ Resolution\u003c\/th\u003e\n\u003ctd\u003eAbsolute position \/ 100,000 pulses per revolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eMotor Match\u003c\/th\u003e\n\u003ctd\u003eSelect Mitsubishi HC \/ HC-R motors with A42 detector code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew, refurbished or used (90% new), subject to stock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eHandling\u003c\/th\u003e\n\u003ctd\u003eNormally 1–3 business days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eShipping \/ ETA\u003c\/th\u003e\n\u003ctd\u003eDHL, UPS or FedEx worldwide; typically 3–7 business days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e1 year for new\/refurbished; 3 months for used (90% new)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eService \/ Packing\u003c\/th\u003e\n\u003ctd\u003eTested, securely sealed and shock-protected for shipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4 style=\"margin:32px 0 14px;\"\u003eAbsolute Position Feedback Function\u003c\/h4\u003e\n\u003cp\u003eInstalled at the servo motor, the OSA104S2 detects shaft position and sends feedback to the Mitsubishi servo control system. Absolute feedback helps retain machine-position information when the complete absolute-position circuit, battery and parameters are correctly configured. It is used in CNC feed axes and precision automated machinery where stable position feedback is essential.\u003c\/p\u003e\n\n\u003ch4 style=\"margin:32px 0 14px;\"\u003eMotor Compatibility and Replacement Matching\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eMatch the complete code OSA104S2 before replacement.\u003c\/strong\u003e Mitsubishi documentation associates it with selected HC and HC-R motors carrying detector code A42. Confirm the motor nameplate, encoder label, connector, mounting pattern, shaft coupling and cable pinout. \u003cstrong\u003eOSA104S2 is not automatically interchangeable with OSE104S2\u003c\/strong\u003e, which is incremental, or OSA105S2, which has a different resolution. OSA104S used on some HA-N motors is also a different full model code.\u003c\/p\u003e\n\n\u003ch4 style=\"margin:32px 0 14px;\"\u003eTesting, Installation and Protective Packing\u003c\/h4\u003e\n\u003cp\u003eEach available unit is inspected for label identity, housing condition, connector integrity, mounting surfaces and feedback performance on a compatible setup where applicable. Installation requires correct mechanical orientation and motor alignment; incorrect mounting can cause position deviation or servo alarms. Absolute-position data may require initialization or machine reference recovery under the machine builder's procedure.\u003c\/p\u003e\n\n\u003ch4 style=\"margin:32px 0 14px;\"\u003eREACO CNC Supply and Support\u003c\/h4\u003e\n\u003cp\u003eREACO CNC supplies tested \u003ca href=\"https:\/\/reacocnc.com\/collections\/mitsubishi-encoders\"\u003eMitsubishi CNC and servo encoders\u003c\/a\u003e for maintenance and replacement projects. Technical matching and \u003ca href=\"https:\/\/reacocnc.com\/products\/fanuc-mitsubishi-cnc-robot-parts-repair\"\u003eMitsubishi CNC parts repair support\u003c\/a\u003e are available for legacy machine-tool systems.\u003c\/p\u003e","brand":"MITSUBISHI","offers":[{"title":"Brand New","offer_id":49585020141783,"sku":"OSA104S2-new","price":378.0,"currency_code":"USD","in_stock":true},{"title":"Used (90% New)","offer_id":49585020174551,"sku":"OSA104S2-used","price":248.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/3784\/4183\/files\/mitsubishi-osa104s2-absolute-encoder-main.webp?v=1786613592","url":"https:\/\/reacocnc.com\/products\/mitsubishi-osa104s2","provider":"REACO CNC","version":"1.0","type":"link"}