Delta ASD-A2 Series User Manual page 161

Chapter 6 Control Mode of Operation
Pulse Specification
High-speed
pulse
Low-speed pulse
The Source of External Pulse:

0: Low-speed optical coupler (CN1 Pin: PULSE, SIGN)
1: High-speed differential (CN1 Pin: HPULSE, HSIGN)
Position pulse can be input from CN1 terminal, PULSE (43), /PULSE (41), HPULSE (38),
/HPULSE (29) and SIGN (36), /SIGN (37), HSIGN (46), /HSIGN (40). It could be open-collector
or Line Driver. Please refer to Chapter 3.9.1 for wiring method.
6-6
Differential
Signal
Differential
Signal
Open-collector
Max. Input Voltage
Frequency Specification
4 Mpps
500 Kpps 2.8V ~ 3.7V
200 Kpps 24V (Max.)
Forward Current
5V < 25 mA
< 25 mA
< 25 mA
Revision February, 2017
ASDA-A2