Features
■ Two channel quadrature output
■ Bushing or servo mount
■ Square wave signal
■ Index channel available
■ Small size
■ Resolution to 256 PPR
Non-RoHS models are currently
available, but not recommended
for new designs. See Product
Obsolescence Memo for details.
Index channel versions are currently available,
but not recommended for new designs. See
Product Obsolescence Memo for details.
EN - Rotary Optical Encoder
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
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.
Index Channel Centered on 1-1 State Combination of A and B Channels ................................................................................................................ 0 º ±45 º
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 fl ux
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
Channel A
Channel B
Index
Channel
(Optional)
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
1 cycle
Clockwise rotation
360 ° ± 90 °
STANDARD RESOLUTIONS AVAILABLE
(Full quadrature output cycles per shaft revolution)
25* 125
50* 128
64 200
100 256
For Non-Standard Resolutions—Consult Factory
* Channel B leads Channel A
*RoHS COMPLIANT
VERSIONS
AVAILABLE
