Magnetic Encoders EMS22A0 pages

Features
¡ 3.3 and 5 VDC voltage supply option
¡ Absolute
¡ Bushing or servo mount
¡ Non-contacting magnetic technology
¡ Small size
¡ CMOS and TTL compatible
¡ Resolution: 1024 positions
¡ Long life
¡ High operating speed
¡ Highly repeatable
¡ Sealed option
¡ Magnetic technology
EMS22A - Non-Contacting Absolute Encoder
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
*RoHS COMPLIANT
Electrical Characteristics
Resolution ..........................................................................................................................................................................................................1024 positions
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
Linearity ............................................................................................................................................................................................................................0.5 %
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 fl ux
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 Confi guration
Output Type Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6
Absolute Digital Input Clock GND Digital Output 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.