Features
nꢀ Twoꢀchannelꢀquadratureꢀoutput
nꢀ Bushingꢀorꢀservoꢀmount
nꢀ Squareꢀwaveꢀsignal
nꢀꢀSmallꢀsize
nꢀꢀBallꢀbearingꢀoptionꢀforꢀhighꢀoperatingꢀꢀ
speedꢀupꢀtoꢀ3000ꢀrpm
nꢀꢀRoHSꢀcompliant*
ꢀ
nꢀ Resolutionꢀtoꢀ256ꢀPPR
nꢀ CMOSꢀandꢀTTLꢀcompatible
nꢀ Longꢀlife
ꢀ ꢀꢀENꢀ-ꢀRotaryꢀOpticalꢀEncoder
Electrical Characteristics
Output................................................................................... 2-bit quadrature code, Channel A leads Channel B by 90 º (electrical) with clockwise rotation
Resolution...............................................................................................................................................................................25 to 256 cycles per revolution
Insulation Resistance (500 VDC) ..................................................................................................................................................................1,000 megohms
Electrical Travel.....................................................................................................................................................................................................Continuous
Supply Voltage.........................................................................................................................................................................................5.0 VDC ±0.25 VDC
Supply Current..............................................................................................................................................................................................26 mA maximum
Output Voltage
Low Output .................................................................................................................................................................................................0.8 V maximum
High Output.....................................................................................................................................................................................................4 V minimum
Output Current
Low Output ................................................................................................................................................................................................25 mA minimum
Rise/Fall Time..................................................................................................................................................................................................200 ns (typical)
Shaft RPM (Ball Bearing) .......................................................................................................................................................................3,000 rpm maximum
Power Consumption..................................................................................................................................................................................136 mW maximum
Pulse Width (Electrical Degrees, Each Channel)............................................................................................................................................180 º ±45 º typ.
Pulse Width (Index Channel)................................................................................................................................................................................. 360 º ±90 º
Phase (Electrical Degrees, Channel A to Channel B)........................................................................................................................................90 º ±45 º typ.
Environmental Characteristics
Operating Temperature Range.......................................................................................................................................-40 ºC to +75 ºC (-40 °F to +167 °F)
Storage Temperature Range ..........................................................................................................................................-40 °C to +85 °C (-40 °F to +185 °F)
Humidity................................................................................................................................................................. MIL-STD-202, Method 103B, Condition B
Vibration ............................................................................................................................................................................................................................5 G
Shock...............................................................................................................................................................................................................................50 G
Rotational Life
A & C Bushings (300 rpm maximum)**............................................................................................................................................10,000,000 revolutions
W, S & T Bushings (3,000 rpm maximum)**..................................................................................................................................200,000,000 revolutions
IP Rating..........................................................................................................................................................................................................................IP 40
Mechanical Characteristics
Mechanical Angle ........................................................................................................................................................................................ 360 ° Continuous
Torque (Starting and Running)
A & C Bushings (Spring Loaded for Optimum Feel)..............................................................................................................1 N-cm (1.5 oz-in.) maximum
W, S & T Bushings (Ball Bearing Shaft Support)..............................................................................................................0.07 N-cm (0.1 oz-in.) maximum
Mounting Torque.................................................................................................................................................... 1.7 to 2.0 N-m (15 to 18 lb.-in.) maximum
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 or radial pc pins 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 5 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.
**For resolutions ≤ 128 quadrature cycles per shaft revolution.
Quadrature Output Table
OUTPUT VOLTAGE
STANDARD RESOLUTIONS AVAILABLE
Channel A
Channel B
(Full quadrature output cycles per shaft revolution)
25*
50*
64
125
128
200
256
100
1 cycle
For Non-Standard Resolutions—Consult Factory
* Channel B leads Channel A
360 ° 90 °
Clockwise rotation
*RoHSꢀDirectiveꢀ2002/95/ECꢀJan.ꢀ27,ꢀ2003ꢀincludingꢀannexꢀandꢀRoHSꢀRecastꢀ2011/65/EUꢀJuneꢀ8,ꢀ2011.ꢀ
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Theꢀdeviceꢀcharacteristicsꢀandꢀparametersꢀinꢀthisꢀdataꢀsheetꢀcanꢀandꢀdoꢀvaryꢀinꢀdifferentꢀapplicationsꢀandꢀactualꢀdeviceꢀperformanceꢀmayꢀvaryꢀoverꢀtime.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.