GDB-5K20
Instructions Manual
(4) Phase signal output（P.O）
① Output current
a. I
C
≦6mA, V
CE(sat)
＜2V
b. I
C
≦2mA, V
CE(sat)
≦0.6V
V
CEO
≦30V
● In case of the excitation home position, the signal is output.
(photo-coupler ON)
● In case of simultaneously using P.O signal and C.S signal,
input C.S signal while P.O signal is being output to switch the step angle.
Otherwise, P.O signal may not be output.
② Timing chart
● P.O output timing (for 1/1 STEP)
CWP
CCWP
P.O
7.2°
● P.O output time
1/1 STEP: once in 10 pulses
1/8 STEP: once in 80 pulses
1/2 STEP: once in 20 pulses
1/16 STEP: once in 160 pulses
1/4 STEP: once in 40 pulses
1/80 STEP: once in 800 pulses
1/10 STEP: once in 100 pulses
1/160 STEP: once in 1600 pulses
1/20 STEP: once in 200 pulses
1/40 STEP: once in 400 pulses
1/100 STEP: once in 1000 pulses
1/200 STEP: once in 2000 pulses
1/400 STEP: once in 4000 pulses
1/800 STEP: once in 8000 pulses
1/1000 STEP: once in 10000 pulses
1/2000 STEP: once in 20000 pulses
1/4000 STEP: once in 40000 pulses
1/8000 STEP: once in 80000 pulses
(For a motor with the basic angle of 0.72°)
DRIVER
5
6
7
8
1
2
3
4
1
0
9
0
1
2
7
8
P.O+
P.O-
(J1)
Photo-coupler
-39-
