(6) Step angle switch input(C.S)
① Operating current range : 2.6mA~19.5mA
The photo-coupler turns on with
inter-terminal voltage of 4.5V~26.4V.
(Photo-coupler diode V
● Step angle division is switched to 1/20 divisions with the photo-coupler ON.
The setting for the STEP ANGLE SELECT switch is ignored.
● No displacement occurs even if the step angle is switched by the C.S signal.
② Timing chart
Number of divisions
of STEP SEL switch
CWP
CCWP
C.S
t1≧30ms
t2≧ 1ms
● Switching the step angle by the C.S signal requires time t1 and t2 before
and after inputting drive pulse.
③ STEP ANGLE SELECT switch and C.S signal
〔STEP ANGLE SELECT switch〕
Number of
Switch No.
Divisions
0
1
2
3
4
5
6
7
8
9
≒ 1.1 V)
F
1/20divisions
ON
t1
t2
Step angle(°)
0.72°motor
1/1
0.72
1/2
0.36
1/4
0.18
1/10
0.072
1/20
0.036
1/40
0.018
1/100
0.0072
1/200
0.0036
1/400
0.0018
1/800
0.0009
Number of divisions
of STEP SEL switch
OFF
t1
t2
〔When the C.S signal is input〕
-38-
Instructions Manual
1/20 divisions
(0.036°)
R3
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