ASDA-M Chapter 6 Control Mode of Operation
Revision December, 2014 6-5
Logic Type
Logic Pulse Type Forward Reverse
0
Positive Logic
AB phase
pulse
CW and
CCW pulse
Pulse +
Symbol
1
Negative Logic
AB phase
pulse
CW and
CCW pulse
Pulse +
Symbol
Pulse
Specification
Max. Input
Frequency
Minimum time width
T1 T2 T3 T4 T5 T6
High-speed
pulse
Differential
Signal
4Mpps 62.5ns 125ns 250ns 200ns 125ns 125ns
Low-speed
pulse
Differential
Signal
500Kpps 0.5μs1μs 2μs 2μs 1μs 1μs
Open-
collector
200Kpps
1.25μ
s
2.5μs5μs 5μs 2.5μs 2.5μs
Pulse Specification
Max. Input
Frequency
Voltage
Specification
Forward Current
High-speed
pulse
Differential Signal 4Mpps 5V < 25mA
Low-speed
pulse
Differential Signal 500Kpps 2.8V ~ 3.7V < 25mA
Open-collector 200Kpps 24V (Max.) < 25mA