Features
■ 3.3 and 5 VDC voltage supply option
■ Quadrature output
■ Resolution from 32-256 PPR
■ Long life
■ High operating speed
■ Highly repeatable
■ Sealed option
■ Bushing or servo mount
■ Non-contacting magnetic technology
■ Small size
■ Magnetic technology
■ CMOS and TTL compatible
EMS22Q - Non-Contacting Incremental Encoder
Electrical Characteristics
Resolution ........................................................................................................................................................................................................... 32 to 256 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 ꢁetter
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
Viꢁration ..............................................................................................................................................................................................................................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 oꢂ-in.)
Running................................................................................................................................................................................... 29 14 g-cm (0.4 0.2 oꢂ-in.)
Mounting Torque.........................................................................................................................................................................................203 N-cm (18 lꢁ.-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 oꢂ.)
Terminals......................................................................................................................................................................................... Axial, radial or riꢁꢁon caꢁle
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 numꢁer, 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
A/B Quadrature
A
B
GND
Index
VCC*
CS**
* Can ꢁe 5 or 3.3 VDC depending on the version.
** Active low chip select pin; if not used connect pin 6 to GND.
*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.
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