(6) Step Angle Switch Input（C.s - Melec GDB-5K30 Instruction 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
● 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
STEP SEL No.
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〕
S.T SEL switch〔OFF：S.T1〕
STEP SEL step angle(°)
1/
No. Divisions
０ 1/1
１ 1/2
２ 1/4
３ 1/8
４ 1/10
５ 1/20
６ 1/40
７ 1/80
８ 1/100
９ 1/200
Ａ 1/400
Ｂ 1/800
Ｃ 1/1000
Ｄ 1/2000
Ｅ 1/4000
Ｆ 1/8000
≒ 1.1 V)
F
1/20
ON
t1 t2
S.T SEL switch〔ON：S.T2〕
STEP SEL
No.
0.72°motor
0.72 ０
0.36 １
0.18 ２
0.09 ３
0.072 ４
0.036 ５
0.018 ６
0.009 ７
0.0072 ８
0.0036 ９
0.0018 Ａ
0.0009 Ｂ
0.00072 Ｃ
0.00036 Ｄ
0.00018 Ｅ
0.00009 Ｆ
Divisions of
STEP SEL No.
OFF
t1 t2
step angle(°)
1/
Divisions
0.72°motor
1/1 0.72
1/2 0.36
1/4 0.18
1/8 0.09
1/10 0.072
1/20 0.036
1/40 0.018
1/80 0.009
1/100 0.0072
1/200 0.0036
1/400 0.0018
1/800 0.0009
1/1000 0.00072
1/2000 0.00036
1/16 0.045
1/160 0.0045
-41-
GDB-5K30
Instructions Manual
〔When the C.S
signal is input〕
1/20
(0.036°)