Timing Signal Detector Specifications Fi - Star MP212FP-24-A Specification And Operating Instructions

3.10 Timing Signal Detector Specifications
The timing signal detector is composed of a detection slit mounted on the motor shaft, a photo
interruptor, and waveform shaping circuit.
Timing signal 1 is generated 18 pulse and timing signal 2 is generated 1 pulse every time the motor
rotates by 1 turn.
Photo interruptor
Ps ON1OO4R
(MATSUSHITA)
TR1 2SC1740
R1 4.7Kf2
R2 56Kfl
R3 1500
cl 2200PF
CPU,
ITL,
etc.
User'sside
+5V
A
-i-
+5V
4
I
RI
I
21 I
R3
~
— cl
$
I
Printer
- Mechanismside
r
Fig. 3-18 Circuit of timing signal 1 (example)
Photo interruptor
Ps ON1OO4R
(MATSUSHITA)
TR1 2SC1740
RI 4.7KQ
R2 56Kfl
R3 150f2
cl 2200PF
+5V
+5V
T
I
R1
I
CPU,
20 I
R3
ITL,
etc.
~
4I
— cl
&
I
I
1
Fig.
3-19 Circuit of timing signal 2 (example)
-21-