Omron G5 Series User Manual page 272

5 Basic Control Mode
Command Pulse Rotation Direction Switching Selection and Command Pulse Mode Selection settings
are as follows.
Pn006 Pn007
0 0 or 2
1
3
1 0 or 2
1
3
Symbol
+CWLD, –CWLD,
+CCWLD, –CCWLD
+CW, –CW,
+CCW, –CCW
5 - 4
Command pulse
Signal
pattern
90° phase PULS
difference
2-phase pulse
(Phase A and
SIGN
Phase B)
Forward direction PULS
pulse train
+
Reverse direction
SIGN
pulse train
Pulse train PULS
+
Sign
SIGN
90° phase PULS
difference
2-phase pulse
(Phase A and
SIGN
Phase B)
Forward direction PULS
pulse train
+
Reverse direction
SIGN
pulse train
Pulse train PULS
+
Sign
SIGN
Maximum
allowable input
frequency
4 Mpps
Line driver 500 kpps
Open collector 200 kpps
OMNUC G5-series (Pulse-train Input Type) AC Servomotors and Servo Drives User's Manual
Forward direction
command
t1
Phase t1
A
t1
t1
Phase
B
Phase B is 90° ahead of phase A. Phase B is 90° behind phase A.
t3
t2
t2
t5
t4
H
t6
t6
t1 t1
Phase
A
t1 t1
Phase
B
Phase B is 90° ahead of phase A.
t2
t2
t3
t5
t4
t6 t6
L
Minimum required duration [µs]
t1 t2 t3
0.25 0.125 0.125
2 1 1
5 2.5 2.5
Reverse direction
command
t1
t1
t1
t1
t2
t2
t5
t4
t6
t6
L
t1 t1
t1
t1
Phase B is 90° behind phase A.
t2
t2
t5
t4
t6
t6
H
t4 t5 t6
0.125 0.125 0.125
1 1 1
2.5 2.5 2.5