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GP1A30R Datasheet(PDF) 4 Page - Sharp Electrionic Components

Part No. GP1A30R
Description  OPIC Photointerrupter with Encoder Function
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Manufacturer  SHARP [Sharp Electrionic Components]
Direct Link  http://sharp-world.com/
Logo SHARP - Sharp Electrionic Components

GP1A30R Datasheet(HTML) 4 Page - Sharp Electrionic Components

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GP1A30R
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
f= 2.5kHz
( Output A )
( Output B )
Distance Z ( mm ) ( Shifting encoder )
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
50
70
80
90
100
110
120
130
60
f= 2.5kHz
Distance Z ( mm ) ( Shifting encoder )
Disk
( Detecting side )
( Emitting side )
OPIC
Z
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
1.4
6.4
(18.385 )
A
4-R1.3
Disk center
Disk
9.9
11.4
A
P
Disk center
Enlarged drawing
of A portion
Slit pitch : P
(11.685 )
V CC=5V
IF = 30mA
VCC =5V
IF = 30mA
t AH
t AP
t BH
t BP
θ
AB1=
x 360˚
t AB1
t AP
GP1A30R
r1= r2
S2
S1
Ta = 25˚C
Fig.12 Phase Difference vs.
<Basic Design>
RO=
x 13.45 ( mm )
N: number of slits
S1=RO- 1.765 (mm ), S2=S1+ 6.7(mm )
RO ( distance between the disk center and half point of a slit ) ,
P ( slit pitch ) , S 1
Slit pitch : P ( slit center )
120
are also changed according to the number.
120
RO=
x 13.45 ( mm )
= 22.42mm
= 0.704mm
S1= 22.42- 1.765
= 20.655mm
S2= 20.655+ 6.7
= 27.355mm
N= 200P/R
s Measurement Conditions
s Precautions for Use
φ 31.6, 0.1t
120 slits
( 1) This module is designed to be operated
at I F= 30mA TYP.
( 2) Fixing torque : MAX. 0.6Nm 6kgf • cm
()
( 3) In order to stabilize power supply line,
connect a by-pass capacitor of more than 0.01
µF
between Vcc and GND near the device.
and S2 ( installing position of photointer-
200
2 x p x 22.42
P=
( mm )
200
( Ex.) In the case of
rupter ) will be provided by the following equations.
Note ) When the number of slits is changed, values in parenthesis
N
N
2x p x RO
P=
( mm )
( 4) As for other general cautions, refer to
Ta = 25˚C
the chapter “ Precautions for Use ” .
Fig.11 Duty Ratio vs. Distance (Z direction )
Distance (Z direction )
3


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