Omron G5 R88D-KE Series, User Manual, Page: 118 / 506

3 Specifications
3 - 18
OMNUC G5-series (Pulse-train Input Type) AC Servomotors and Servo Drives User’s Manual
When to Input a Command Pulse (Photocoupler Input)
Command pulse mode Detailed timing
Feed Pulse/Direction Signal
Maximum input frequency
Line driver:
500 kpps
Open collector:
200 kpps
Reverse Pulse/Forward Pulse
Maximum input frequency
Line driver:
500 kpps
Open collector:
200 kpps
90° Phase Difference Signal
Maximum input frequency
Line driver:
500 kpps
Open collector:
200 kpps
Direction
signal
Feed pulse
Forward rotation command Reverse rotation command
t1 t1 t2 t2 t2
t1 t1
T
τ
At 500 kpps
t1 ≤ 0.1 µs
t2 > 1.0 µs
τ ≥ 1.0 µs
T ≥ 2.0 µs
(τ/T) x 100 ≤ 50 (%)
At 200 kpps
t1 ≤ 0.5 µs
t 2 > 2.5 µs
τ ≥ 2.5 µs
T ≥ 5.0 µs
(τ/T) x 100 ≤ 50 (%)
T
τ
t2
t1 t1
At 500 kpps
t1 ≤ 0.1 µs
t2 > 1.0 µs
τ ≥ 1.0 µs
T ≥ 2.0 µs
(τ/T) x 100 ≤ 50 (%)
At 200 kpps
t1 ≤ 0.5 µs
t 2 > 2.5 µs
τ ≥ 2.5 µs
T ≥ 5.0 µs
(τ/T) x 100 ≤ 50 (%)
Reverse pulse
Forward pulse
Forward rotation command Reverse rotation command
At 500 kpps
t1 ≤ 0.1 µs
τ ≥ 4.0 µs
T ≥ 8.0 µs
(τ/T) x 100 ≤ 50 (%)
At 200 kpps
t1 ≤ 0.5 µs
τ ≥ 10 µs
T ≥ 20 µs
(τ/T) x 100 ≤ 50 (%)
t1 t1
T
τ
Phase-A pulse
Phase-B pulse
Forward rotation command Reverse rotation command