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ENCODER FEEDBACK CONTROL—A500(L)
(4) Speed detector (encoder)
Line driver LED type encoder
A.
A
signal 1000ppr to 4096ppr
B.
signal 1000ppr to 4096ppr
B
<Example of encoder available
on the market>
<AM26L31, 74LS113
equivalent>
REMARKS
When encoder feedback control and orientation control are used together, the encoder is shared between these
controls.
Use the encoder with a pulse count of 1000 to 4096ppr.
Output pulse specifications
P
a
b
c d
A
A
B
B
a, b, c and d should be (1/4 ± 1/8)P when rotation is clockwise
as viewed from the shaft end of the encoder.
Pin Numbers of Encoder Output Signals
Pin Number
Output Signal
C
A-phase signal
R
A-phase inverse signal
A
B-phase signal
N
B-phase inverse signal
36
2.4 to 5.25V (High)
0 to 0.4V (Low)
Pin Number
Output Signal
H
+5V power supply
K
Power supply common
E
Case earth (ground)
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