47
Address
Parameter
Name & Function Default
Unit
Setting
Range
RS232
RS485
S curve speed comm
and acceleration and deceleration time
setting.
Sn208
Set Sn205=3 to enable this function.
In the period of Acc/Dec , drastic speed changing might cause
vibration of machine. S curve speed command acc/dec time
setting has the effect to smooth acc/dec curve.
Rule for the setting：
：：
：
s
a
t
t
>
，
，，
，
s
d
t
t
>
1 msec
1
│
1000
C44H
0208H
S curve speed command acceleration time setting.
Sn209
Refer Sn208
200 msec
0
│
5000
C45H
0209H
S curve speed command deceleration time setting.
Sn210
Refer Sn208
200 msec
0
│
5000
C46H
020AH
Speed loop Gain 1
Sn211
Speed loop gain has a direct effect on the frequency response
bandwidth of the Speed-control loop.
Without causing vibration or noise Speed-loop-gain can be
increased to obtain a faster speed response.
If Cn025 (load Inertia ratio) is set correctly, the
speed-loop-bandwidth will equal to speed-loop-gain.
40 Hz
10
│
450
530H
020BH
Speed-loop Integral time 1
Sn212
Speed loop integral element can eliminate the steady speed error
and react to even slight speed variations.
Decreasing Integral time can improve system rigidity.
The formula below shows the relationship between Integral time
and Speed loop Gain.
ainSpeedLoopG
tTimeConsntegrationSpeedLoopI
×
×≥
π
2
1
5tan
100
x0.2
ms
1
│
500
531H
020CH
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