maxon

maxon flat motorEC 20 flat 20 mm, brushless, 5 WattA with Hall sensorsB sensorlessM 1:1Stock programStandard programSpecial program (on request)Article NumbersA with Hall sensorsB sensorlessMotor Data (provisional)Values at nominal voltage1 Nominal voltage V2 No load speed rpm3 No load current mA4 Nominal speed rpm5 Nominal torque (max. continuous torque) mNm6 Nominal current (max. continuous current) A7 Stall torque mNm8 Starting current A9 Max. efficiency %Characteristics10 Terminal resistance phase to phase 11 Terminal inductance phase to phase mH12 Torque constant mNm/A13 Speed constant rpm/V14 Speed/torque gradient rpm/mNm15 Mechanical time constant ms16 Rotor inertia gcm 2351005 351006 351007 351008351054 351055 351056 3510576 9 12 249350 9430 9380 9300102 68.3 51.1 25.14970 5410 5210 52407.25 8.36 7.5 7.711.26 0.951 0.648 0.32817.2 22.4 18.9 19.92.93 2.54 1.61 0.83867 71 68 692.05 3.54 7.45 28.60.189 0.424 0.754 3.095.88 8.82 11.8 23.81620 1080 812 402567 435 515 48430.3 23.2 27.5 25.85.1 5.1 5.1 5.1Specifications Operating Range CommentsThermal datan [rpm]Continuous operation17 Thermal resistance housing-ambient 13.7 K/WIn observation of above listed thermal resistance18 Thermal resistance winding-housing 2.66 K/W160005.0(lines 17 and 18) the maximum permissible winding19 Thermal time constant winding 1.77 stemperature will be reached during continuous20 Thermal time constant motor 22.8 s351006operation at 25°C ambient.21 Ambient temperature -40…+100° 12000= Thermal limit.22 Max. permissible winding temperature +125°CMechanical data (preloaded ball bearings)23 Max. permissible speed 15000 rpm24 Axial play at axial load < 2.0 N 0 mm> 2.0 N 0.14 mm25 Radial play preloaded26 Max. axial load (dynamic) 1.8 N27 Max. force for press fits (static) 26 N(static, shaft supported)200 N28 Max. radial loading, 5 mm from flange 10 NOther specifications29 Number of pole pairs 430 Number of phases 331 Weight of motor 22 gValues listed in the table are nominal.Connection with Hall sensors sensorlessPin 1 V Hall 4.5…24 VDC Motor winding 1Pin 2 Hall sensor 3 Motor winding 2Pin 3 Hall sensor 1 Motor winding 3Pin 4 Hall sensor 2 neutral pointPin 5 GNDPin 6 Motor winding 3Pin 7 Motor winding 2Pin 8 Motor winding 1Adapter Article number Article numbersee p. 321 220300 220300Connector Article number Article numberTyco 1-84953-1 84953-4Molex 52207-1185 52207-0485Molex 52089-1119 52089-0419Pin for design with Hall sensors:FPC, 11-pol, Pitch 1.0 mm, top contact styleWiring diagram for Hall sensors see p. 29800040005 10 150.5 1.0 1.5Short term operationThe motor may be briefly overloaded (recurring).Assigned power ratingmaxon Modular System Overview on page 16 - 21Spur Gearhead20.3 mm0.06 - 0.25 NmPage 221Planetary Gearhead22 mm0.5 - 2.0 NmPage 224/226Recommended Electronics:ESCON 50/5 Page 292DECS 50/5 297DEC 24/1 297DEC Module 24/2 298EPOS2 24/2 312EPOS3 70/10 EtherCAT 319Notes 20184maxon EC motorMay 2012 edition / subject to change