Delta ASDA-A3 Series User Manual page 620

ASDA-A3
Logic Pulse
type type
X = 0
Z = 0
X = 1
X = 2
Pulse specification
Pulse train
CW and
Differential
signal
pulses
A phase +
B phase
Open-collector
Parameter
Definition
settings
Refer to the
High
U & Y settings
speed
in the following
pulse
Low
U = 2 and
speed
Note
pulse
Note:
1. When the low speed pulse is used (U = 2), parameter Y has to be 0 (no filter function).
2. It is suggested that you use the low speed pulse function when there is high frequency interference.
3. Contact Delta for the week for introducing the low speed pulse function to the servo drive.
Forward
Pulse phase lead
(43)
Pulse
(41)
T2 T2 T2 T2 T2
(36)
Sign
(37)
Sign = low
(43)
Pulse
(41)
T4 T5 T6 T5
(36)
Sign
(37)
Maximum input
frequency
(single phase)
+ sign
4 Mpps
CCW
2 Mpps
200 Kpps
Pulse specification
Differential
signal
table
Open-collector
Differential signal
Y = 0
Open-collector
Pulse input
TH
T2 T3
(43)
TH
Pulse
(41)
T6 T5 T4
(36)
Sign
(37)
Minimum allowed time width
T1 T2 T3
62.5 ns 125 ns 250 ns
125 ns 250 ns 250 ns
1.25 μs 2.5 μs 5 μs
Maximum
input
frequency
(single phase)
Pulse train + sign
4 Mpps
CW and CCW
pulses
A phase +
2 Mpps
B phase
200 Kpps
200 Kpps
200 Kpps
Reverse
Pulse phase lag
T2 T2 T2 T2 T2 T2
TH
Sign = high
T4 T5 T6 T5 T6 T5 T4
T4 T5
200 ns 125 ns
200 ns 250 ns
5 μs 2.5 μs
Forward
Voltage
current
5V < 25 mA
24V (Max.) < 25 mA
5V < 25 mA
24V (Max.) < 25 mA
Parameters
8
TH
T6
125 ns
250 ns
2.5 μs
8-43