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5-4-4 Smooth Acceleration
Using the One Time Smooth Acceleration/Deceleration of Position Command”
It smoothes the position pulse command frequency.
Parameter
Signal
Name Default Unit Setting Range Control Mode
★
Pn313
External Position
command
Accel/Decel Time
Constant
0 msec 0~10000 Pi/Pe
★ New setting will become effective after re-cycling the power.
Time Constant of Smooth Acceleration/Deceleration of Position Command defined for a cycle as below:
The require time of the Position Pulse Frequency started from 0 to 63.2%.
Frequency of Position
Pulse Command (%)
Time (ms)
Pn313
100
50
63.2
Frequency of Position Pulse Command
Setting Examples:
(1) To achieve 95% of Position Pulse Command Frequency Output in 30msec:
10(msec)
95%)-ln(1-
30(msec)
Pn313
(2) To achieve 75% of Position Pulse Command Frequency Output in 30msec:
22(msec)=
75%)-ln(1-
30(msec)
=Pn313
Note: Above curve is a logarithmic
ln = Natural log.
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