Features
■
3.3 and 5 VDC voltage supply option
■
Quadrature, absolute, PWM and direction/
step output options
■
Bushing or servo mount
■
Non-contacting magnetic technology
■
Small size
■
CMOS and TTL compatible
■
Resolution from 32-512 PPR and 1024
states
■
Long life
■
High operating speed
■
Highly repeatable
■
Sealed option
EMS22 - Non-Contacting Rotary Magnetic Encoder
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specications are subject to change without notice.
Customers should verify actual device performance in their specic applications
*RoHS
COMPLIANT
Electrical Characteristics
Resolution ................................................................................................................................................................................ 32 to 512 PPR and 1024 states
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........................................................................................................................................................................................................................... 0.35 %
Accuracy
Nominal ......................................................................................................................................................................................................... ±0.5 ° or better
Worst Case................................................................................................................................................................................................................... ±1.4 °
Output Transition Noise .................................................................................................................................................................................. 0.12 ° RMS max.
Environmental Characteristics
Operating Temperature Range........................................................................................................................................ -40 C to +125 C (-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 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 Conguration
Output Type
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
A/B Quadrature
A
B
GND
Index
VCC*
CS**
Direction/Step
Pulse
Direction
GND
Index
VCC*
CS**
PWM
PWM Signal
GND
VCC*
CS**
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.