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參數(shù)資料
| 型號： | ENS2J-B28-N00100 |
| 廠商： | BOURNS INC |
| 元件分類： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | ROTARY OPTICAL POSITION ENCODER |
| 封裝： | COMPACT PACKAGE-5 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 315K |
| 代理商： | ENS2J-B28-N00100 |
Features
■ Two channel quadrature output
■ Bushing or servo mount
■ Square wave signal
■ Index channel available
■ Small size
■ Resolution to 256 PPR
EN - Rotary Optical 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.
Electrical Characteristics
Output .................................................................................2-bit quadrature code, Channel A leads Channel B by 90 (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 ±45 TYP.
Pulse Width (Index Channel) .................................................................................................................................................................................360 ±90
Phase (Electrical Degrees, Channel A to Channel B) ......................................................................................................................................90 ±45 TYP.
Index Channel Centered on 1-1 State Combination of A and B Channels ...............................................................................................................0 ±45
Environmental Characteristics
Operating Temperature Range ...................................................................................................................................... -40 C to +75 C (-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 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
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