Delta ASDA-A3 Series User Manual page 161

Wiring
You can input the pulse command with the open collector or line driver. The maximum input
pulse is 4 Mpps for the line driver and 200 kpps for the open collector.
3
Caution: do not directly input the 24V power supply to the SIGN+, SIGN-, PULSE+, and
PULSE- pins, or the circuit elements will be damaged.
C3-1: the source for the pulse input is open-collector NPN-type device, which uses the external
power supply.
Controller without built-in resistor
3-80
Controller
35
+
DC
24V
-
37
39
41
SG
A3-L / A3-M servo drive
PULL HI_S
Max. pulse input
frequnecy:
1.5 KΩ
200 Kpps
51 Ω
51 Ω
SIGN-
PULL HI_P
Max. pulse input
frequency:
1.5 KΩ
200 Kpps
51 Ω
51 Ω
PULSE-
ASDA-A3