Datasheet > HEDL-6402-AT01

HEDL-6402-AT01

更新时间： 2024-01-30 19:59:07

品牌	Logo	应用领域
安捷伦 - AGILENT		光电编码器
页数	文件大小	规格书
8页	461K
描述
Optical Incremental Housed Encoders

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技术参数
数据手册

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HEDL-6402-AT01 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8543.70.96.50	风险等级：	5.92
Is Samacsys：	N	配置：	SINGLE, 2 CHANNELS
JESD-609代码：	e0	功能数量：	1
最高工作温度：	90 °C	最低工作温度：
光电设备类型：	ROTARY POSITION ENCODER	端子面层：	Tin/Lead (Sn/Pb)
Base Number Matches：	1

HEDL-6402-AT01 数据手册

Theory of Operation

Definitions

Pulse Width (P): The number of

the electrical degrees that an

output is high during one cycle,

nominally 180°e or 1/2 a cycle.

The HEDL-64XX translates

Count (N): For rotary motion,

the number of bar and window

pairs or counts per

rotary motion of a shaft into a

two or three channel digital

output. The HEDL-64XX series

has four key parts: a single light

emitting diode (LED) light

source, a photodetector IC with

a set of uniquely configured

photodiodes , a line drive IC

and a pair of lenses. The lens

over the LED focuses light onto

the codewheel. As the codewheel

rotates, an alternating pattern of

light and dark corresponding to

the pattern of the codewheel

falls upon the photodiodes.

revolution(CPR) of the

Pulse Width Error(∆P): The

deviation in electrical degrees of

the pulse width from its ideal

value of 180°e.

codewheel. For linear motion,

the number of bar and window

pairs per unit length (lines per

inch[LPI] or lines per mm

[LPmm]).

State Width (S): The number of

the electrical degrees between a

transition in the output of the

channel B. There are 4 states

per cycle, each nominally 90°e.

One Cycle(C): 360 electrical

degree(°e), 1 bar and window

pair.

One Shaft Rotation: 360

mechanical degrees, N cycles

(rotary motion only).

State Width Error (∆S): The

deviation in electrical degrees of

each state width from its ideal

value of 90°e.

This light is used to produce

internal signals A and A’, and B

and B’.

Line Density: The number of

reflective and non-reflective

pairs per unit length, expressed

as either lines per inch(LPI) or

lines per mm (LPmm).

Phase (f): The number of

electrical degrees between the

center of the high state on the

channel A and the center of the

high state of channel B. This

value is nominally 90°e.

As part of this “push-pull”

detector system, these signals

are fed through comparators and

line driver that are part of the

signal processing circuitry to

produce the final outputs for

channels A and B and index.

Cycle error(∆C):: An indication

of cycle uniformity. The

difference between an observed

shaft angle which gives rise to

one electrical cycle and the

nominal angular increment of 1/

N of a revolution

Phase error (∆f): The deviation

in electrical degrees of the phase

from its ideal value of 90°e.

Position error (∆q):: The

normalized angular difference

between the actual shaft position

and the position indicated by

the encoder cycle count.

RESISTOR

Vcc

PHOTODIODE

Index Pulse Width (Po): The

number of electrical degrees that

an index is high during one full

shaft rotation. This value is

nominally 90°e or ¼ cycle.

Ch A

Ch B

LED

SIGNAL

PROCESSING

CIRCUITY

LENS

Ch B

CODEWHEEL

Gnd

1 234 5 6 7 8

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与HEDL-6402-AT01相关器件

型号	品牌	描述	获取价格	数据表
HEDL-6402-AT02	AGILENT	Optical Incremental Housed Encoders	获取价格
HEDL-6402-AT02	AVAGO	SINGLE, 2 CHANNELS, ROTARY OPTICAL POSITION ENCODER	获取价格
HEDL-6402-AT11	AGILENT	Optical Incremental Housed Encoders	获取价格
HEDL-6402-IP01	AGILENT	Optical Incremental Housed Encoders	获取价格
HEDL-6402-IP02	AGILENT	Optical Incremental Housed Encoders	获取价格
HEDL-6402-IP11	AGILENT	Optical Incremental Housed Encoders	获取价格

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