maxon

EC 90 flat brushless, 60 Watt, with encodermaxon special programConnector:1-828582-0AMP39-28-1083MolexM 1:2Stock programStandard programSpecial program (on request)Article NumbersMotor Data368maxon special program353984 346970Values at nominal voltage1 Nominal voltage V 12 362 No load speed rpm 1600 15603 No load current mA 338 1084 Nominal speed rpm 1260 12405 Nominal torque (max. continuous torque) mNm 327 4056 Nominal current (max. continuous current) A 4.56 1.787 Stall torque mNm 2330 34008 Starting current A 33.1 15.69 Max. efficiency % 81 84Characteristics10 Terminal resistance phase to phase 0.363 2.311 Terminal inductance phase to phase mH 0.264 2.512 Torque constant mNm/A 70.5 21713 Speed constant rpm/V 135 44.014 Speed/torque gradient rpm/mNm 0.697 0.46715 Mechanical time constant ms 22.3 15.016 Rotor inertia gcm 2 3060 3060Specifications Operating Range CommentsThermal data17 Thermal resistance housing-ambient 3.7 K/Wn [rpm]18 Thermal resistance winding-housing 3.4 K/W6019 Thermal time constant winding 60 s20 Thermal time constant motor 549 s34697021 Ambient temperature -20…+70°C22 Max. permissible winding temperature +125°CMechanical data (preloaded ball bearings)23 Max. permissible speed 1750 rpm24 Axial play at axial load < 15 N 0 mm> 15 N 0.14 mm25 Radial play preloaded26 Max. axial load (dynamic) 12 N27 Max. force for press fits (static) 150 N(static, shaft supported)8000 N28 Max. radial loading, 7.5 mm from flange 30 NOther specifications29 Number of pole pairs 1230 Number of phases 331 Weight of motor 665 gValues listed in the table are nominal.with Hall sensorsTechnical Data EncoderFunction principleopticalCounts per turn 2048Number of channels 2Max. operating frequency60 kHzSupply voltage V CC 5V ± 10%Output signalEIA Standard RS422Driver usedDS26C31TPower per channel-20…+20 mASignal rise and fall times30 ns(typically, at C L = 25pF, R L = 1k)CableConnection cable to EPOS2, L = 500 mm 354045Connection cable Encoder, L = 500 mm 354046180015001200900600300100 300 5000.5 1.0 1.5 2.0 2.5Continuous operationIn observation of above listed thermal resistance(lines 17 and 18) the maximum permissible windingtemperature will be reached during continuousoperation at 25°C ambient.= Thermal limit.Short term operationThe motor may be briefly overloaded (recurring).Assigned power ratingmaxon Modular System Overview on page 16 - 21Connection motorPin 1 Hall sensor 1Pin 2 Hall sensor 2Pin 3 4.5 ... 18 VDCPin 4 Motor winding 3Pin 5 Hall sensor 3Pin 6 GNDPin 7 Motor winding 1Pin 8 Motor winding 2Wiring diagram for Hall sensors see p. 29Connection EncoderPin 1 N.C.Pin 2 V CCPin 3 GNDPin 4 N.C.Pin 5 A\Pin 6 APin 7 B\Pin 8 BPin 9 N.C.Pin 10 N.C.Planetary Gearhead52 mm4 - 30 NmPage 246Recommended Electronics:ESCON 50/5 Seite 292EPOS2 24/5 313EPOS2 50/5 313EPOS2 70/10 313EPOS2 P 24/5 316Notes 20May 2012 edition / subject to change