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EMS22D51-B25-LD4 Datasheet(PDF) 1 Page - Bourns Electronic Solutions |
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EMS22D51-B25-LD4 Datasheet(HTML) 1 Page - Bourns Electronic Solutions |
1 / 4 page Features ■ 3.3 and 5 VDC voltage supply option ■ Direction/Step output (Tachometer) ■ Bushing or servo mount ■ Non-contacting magnetic technology ■ Small size ■ CMOS and TTL compatible ■ Resolution from 64-512 PPR ■ Long life ■ High operating speed ■ Highly repeatable ■ Sealed option ■ Magnetic technology EMS22D - Non-Contacting Direction/Step Encoder *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. Electrical Characteristics Resolution ........................................................................................................................................................................................................... 64 to 512 PPR Insulation Resistance (500 VDC) ......................................................................................................................................................................1,000 megohms Electrical Travel ........................................................................................................................................................................................................ Continuous Supply Voltage ........................................................................................................................................................................5.0 VDC ±10 %, 3.3 VDC ±10 % Supply Current .................................................................................................................................................................................................20 mA maximum Output Voltage Low Output Level ................................................................................................................................................................................. Vss+0.4 V maximum High Output Level................................................................................................................................................................................... Vdd-0.5 V minimum Output Current With 4.5 VDC Supply Voltage .......................................................................................................................................................................4 mA maximum With 3.0 VDC Supply Voltage .......................................................................................................................................................................2 mA maximum Rise/Fall Time (Incremental Output) ............................................................................................................................................................... 500 ns maximum Shaft RPM (Ball Bearing) .........................................................................................................................................................................10,000 rpm maximum Hysteresis............................................................................................................................................................................................................................ 0.7 ° Accuracy Nominal ..........................................................................................................................................................................................................±0.7 ° or better Worst Case................................................................................................................................................................................................................... ±1.4 ° Output Transition Noise................................................................................................................................................................................... 0.12 ° RMS max. Environmental Characteristics Operating Temperature Range........................................................................................................................................ -40 ºC to +125 ºC (-40 °F to +257 °F) Storage Temperature Range........................................................................................................................................... -55 °C to +125 °C (-67 °F to +257 °F) Humidity ....................................................................................................................................................................MIL-STD-202, Method 103B, Condition B Vibration .............................................................................................................................................................................................................................. 15 G Shock .................................................................................................................................................................................................................................. 50 G Rotational Life S Bushing (@1,000 rpm)................................................................................................................................................................. 100,000,000 revolutions T & W Bushings (@1,000 rpm with 250 g side load) ........................................................................................................................ 50,000,000 revolutions IP Rating............................................................................................................................................................................................................................. IP 65 Mechanical Characteristics Mechanical Angle ............................................................................................................................................................................................ 360 ° Continuous Torque Starting .................................................................................................................................................................................... 43 ±21 g-cm (0.6 ±0.3 oz-in.) Running ................................................................................................................................................................................... 29 ±14 g-cm (0.4 ±0.2 oz-in.) Mounting Torque.........................................................................................................................................................................................203 N-cm (18 lb.-in.) Shaft End Play......................................................................................................................................................................0.30 mm (0.012 ”) T.I.R. maximum Shaft Radial Play..................................................................................................................................................................0.12 mm (0.005 ”) T.I.R. maximum Weight ..............................................................................................................................................................................................................11 gms. (0.4 oz.) Terminals ......................................................................................................................................................................................... Axial, radial or ribbon cable Soldering Condition Manual Soldering .................................................................................................................... 96.5Sn/3.0Ag/0.5Cu solid wire or no-clean rosin cored wire 370 °C (700 °F) max. for 3 seconds Wave Soldering ............................................................................................................................................. 96.5Sn/3.0Ag/0.5Cu solder with no-clean flux 260 °C (500 °F) max. for 10 seconds Wash processes....................................................................................................................................................................................... Not recommended Marking.................................................................................................................................... Manufacturer’s trademark, name, part number, and date code. Hardware....................................................................One lockwasher and one mounting nut supplied with each encoder, except on servo mount versions. Pin Configuration Output Type Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Direction/Step Pulse Direction GND Index VCC* CS** * Can be 5 or 3.3 VDC depending on the version. ** Active low chip select pin; if not used connect pin 6 to GND. |
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