GDB-5K50
Instructions Manual
(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 4.5 V～26.4 V.
(Photo-coupler diode V
F
≒ 1.1 V)
● Step angle division is switched to 20 divisions of the basic angle with
the photo-coupler ON.
The setting for the STEP ANGLE SELECT switch is ignored.
●When the step angle is set 1000, 2000, 4000 or 8000 divisions of the basic angle,
change of the excitation position may be caused by inputting C.S signal.
② Timing chart
Divisions of
1/20
Divisions of
STEP SEL No.
STEP SEL No.
ON
OFF
C.S
● 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〕
〔When the C.S
signal is input〕
1/20
(0.036°)
Ｅ
Ｆ
Ｃ
Ｄ
Ａ
Ｂ
５
９
３
５
６
８
９
Ｆ
Ｂ
６
７
７
８
1/20
1/40
1/80
1/100
1/200
１
４
０
STEP SEL
No.
２
３
1/1
1/2
1/4
1/8
1/10
CWP
CCWP
t1
t2
t1
t2
STEP SEL
No.
S.T SEL switch〔OFF：S.T1〕
S.T SEL switch〔OFF：S.T2〕
1/
Divisions
1/
Divisions
0.72°motor
step angle(°)
1/800
1/1000
1/2000
1/4000
1/8000
step angle(°)
0.72°motor
0.72
0.36
0.18
0.09
0.072
0.036
0.018
0.009
0.0072
0.0036
0.0018
0.0009
0.00072
0.00036
0.00018
0.00009
1/400
０
１
４
Ａ
Ｃ
Ｄ
Ｅ
1/1
1/2
1/4
1/8
1/10
1/20
1/40
1/80
1/100
1/200
1/400
1/800
1/1000
1/2000
1/16
２
1/160
0.72
0.36
0.18
0.09
0.072
0.036
0.018
0.009
0.0072
0.0036
0.0018
0.0009
0.00072
0.00036
0.045
0.0045
11
12
C.S+
C.S-
DRIVER
(J1)
Photo-coupler
1.3kΩ
t1≧30ms
t2≧ 1ms
-41-
