Features
■ Two channel quadrature output
■ Bushing or servo mount
■ Square wave signal
■ Index channel available
■ Small size
■ CMOS and TTL compatible
■ Long life
■ High operating speed
■ Resolution to 256 PPR
EN - Rotary Optical Encoder
Electrical Characteristics
Output ..............................................................................................2-bit gray 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 VDCꢀ
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 TꢁP.
Pulse Width (Index Channel) ....................................................................................................................................................................................360 º 90 º
Phase (Electrical Degrees, Channel A to Channel B)..........................................................................................................................................90 º 45 º TꢁP.
Index Channel Centered on 1-1 State Combination of A and B Channels ..................................................................................................................0 º 45 º
ꢀConsult factory for other voltages up to 5 VDC.
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-cm (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
4.0 V (Min)
0.8 V (Max)
4.0 V (Min)
0.8 V (Max)
4.0 V (Min)
0.8 V (Max)
1
0
1
0
1
0
Channel A
Channel B
(Full quadrature output cycles per shaft revolution)
25ꢀ
50ꢀ
64
125
128
200
256
100
Index
Channel
1 cycle
360 ° ± 90 °
(Optional)
For Non-Standard Resolutions—Consult Factory
ꢀ Channel B leads Channel A
Clockwise rotation
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.