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参数资料
| 型号： | HEDS-9701OPTIONH55 |
| 元件分类： | 编、解码器及复用、解复用 |
| 英文描述： | SINGLE, 2 CHANNELS, ROTARY OPTICAL POSITION ENCODER |
| 文件页数： | 3/10页 |
| 文件大小： | 319K |
| 代理商： | HEDS-9701OPTIONH55 |
2
Applications
TheHEDS-9700providessophisticatedmotiondetection
atalowcost,makingclosed-loopcontrolverycost-com-
petitive! Typical applications include printers, plotters,
copiers,andofficeautomationequipment.
Note: Avago Technologies encoders are not recom-
mended for use in safety critical applications. Eg. ABS
braking systems, power steering, life support systems
and critical care medical equipment. Please contact
salesrepresentativeifmoreclarificationisneeded.
Theory of Operation
TheHEDS-9700isaC-shapedemitter/detectormodule.
Coupled with a codewheel, it translates rotary motion
into a two-channel digital output. Coupled with a
codestrip, it translates linear motion into a digital
output.
As seen in the block diagram, the module contains a
singleLightEmittingDiode(LED)asitslightsource.The
light is collimated into a parallel beam by means of a
single lens located directly over the LED. Opposite the
emitteristheintegrateddetectorcircuit.ThisICconsists
of multiple sets of photodetectors and the signal
processing circuitry necessary to produce the digital
waveforms.
The codewheel/codestrip moves between the emitter
anddetector,causingthelightbeamtobeinterrupted
by the pattern of spaces and bars on the codewheel/
codestrip.Thephotodiodeswhichdetecttheseinterrup-
tionsarearrangedinapatternthatcorrespondstothe
radius and count density of the codewheel/codestrip.
Thesedetectorsarealsospacedsuchthatalightperiod
ononepairofdetectorscorrespondstoadarkperiodon
theadjacentpairofdetectors.Thephotodiodeoutputs
are fed through the signal processing circuitry. Two
comparatorsreceivethesesignalsandproducethefinal
outputs for channels A and B. Due to this integrated
phasingtechnique,thedigitaloutputofchannelAisin
quadraturewithchannelB(90degreesoutofphase).
Block Diagram
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相关代理商/技术参数 |
参数描述 |
|---|---|
| HEDS-9710#R50 | 功能描述:编码器 2 Channel 200CPR RoHS:否 制造商:Avago Technologies 产品:Optical Encoders 类型:Absolute 每转脉冲: 制动器数量: 通道数量:2 安装风格:Through Hole 端接类型:Solder Pin 输出: 轴类型: 带开关: 电源电压:5 V 工作温度范围:- 40 C to + 115 C |
| HEDS-9710#R51 | 功能描述:编码器 2 Channel 200CPR RoHS:否 制造商:Avago Technologies 产品:Optical Encoders 类型:Absolute 每转脉冲: 制动器数量: 通道数量:2 安装风格:Through Hole 端接类型:Solder Pin 输出: 轴类型: 带开关: 电源电压:5 V 工作温度范围:- 40 C to + 115 C |
| HEDS-9710-150 | 功能描述:编码器 2 Channel 360CPR RoHS:否 制造商:Avago Technologies 产品:Optical Encoders 类型:Absolute 每转脉冲: 制动器数量: 通道数量:2 安装风格:Through Hole 端接类型:Solder Pin 输出: 轴类型: 带开关: 电源电压:5 V 工作温度范围:- 40 C to + 115 C |
| HEDS-9711#R50 | 功能描述:编码器 2 Channel 200CPR RoHS:否 制造商:Avago Technologies 产品:Optical Encoders 类型:Absolute 每转脉冲: 制动器数量: 通道数量:2 安装风格:Through Hole 端接类型:Solder Pin 输出: 轴类型: 带开关: 电源电压:5 V 工作温度范围:- 40 C to + 115 C |
| HEDS-9711#R51 | 功能描述:编码器 2 Channel 200CPR RoHS:否 制造商:Avago Technologies 产品:Optical Encoders 类型:Absolute 每转脉冲: 制动器数量: 通道数量:2 安装风格:Through Hole 端接类型:Solder Pin 输出: 轴类型: 带开关: 电源电压:5 V 工作温度范围:- 40 C to + 115 C |
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