YASKAWA
SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
375
5.11
S: Special Applications
S parameters
set these functions:
•
Dynamic Noise Control
•
Sequence Run Timers
•
PI2 Control
•
HAND/OFF/AUTO Mode Operation
•
Emergency Override Function
◆
S1: Dynamic Noise Control
The Dynamic Audible Noise Control Function suppresses the output voltage to decrease audible noise.
This function can help you quickly restore output voltage after an impact caused a sudden increase in the time
constant. Dynamic Audible Noise Control is useful in applications where load impact is common. You cannot use
b8-
01 = 1 [Energy Saving Control Selection = Enabled]
and
S1-01 = 1 [Dynamic Noise Control = Enabled]
at the same
time.
■
Set Parameters for Dynamic Noise Control
1.
Set
S1-01 = 1 [Dynamic Noise Control = Enabled]
to enable Dynamic Noise Control.
Note:
• When
S1-01 = 1
, the tolerance to an impact load will decrease compared to V/f Control without Energy Saving.
• You must disable Dynamic Noise Control for applications without an impact load.
The current level increases from the added load and improves the drive responsiveness.
2.
Increase
S1-02 [Voltage Reduction Rate]
to make the flux stronger and increase the torque.
Note:
The Dynamic Noise Control function will decrease the load movement to a minimum level.
3.
Decrease
S1-03 [Voltage Restoration Level]
and
S1-04 [Voltage Restoration Off Level]
to recover the voltage
more quickly during the impact load conditions.
Note:
Under certain conditions, voltage stability may be unsatisfactory.
4.
Decrease
S1-05 [Volt Restore Sensitivity Time K]
to decrease the voltage level and increase the voltage
restoration speed when the load increase.
5.
Decrease
S1-06 [Volt Restore Impact Load Time K]
to increase drive response to an impact load.
When the output voltage is unstable, increase these values to decrease the load response:
•
Difference between
S1-03
and
S1-04
•
S1-05
•
S1-06
■
S1-01: Dynamic Noise Control
No.
(Hex.)
Name
Description
Default
(Range)
S1-01
(3200)
Dynamic Noise Control
Sets the function that decreases the output voltage in variable torque applications to decrease audible
noise.
1
(0, 1)
0 : Disabled
1 : Enabled
Summary of Contents for H6B1A002
Page 12: ...12 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
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Page 454: ...5 14 Z Bypass Parameters 454 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
Page 590: ...8 6 Storage Guidelines 590 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
Page 780: ...11 3 European Standards 780 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...