Yaskawa VS-616G5 Series Revision F Programming Manual User Manual
Page 28
V/f
V/f w/PG Open Loop
Vector
Flux
Vector
28
VS-616G5 Programming Manual
Setting Range:
0.0 to 400.0Hz
Factory Default:
0.0Hz
After the multi-function contact input for energy-saving operation closes (H1-__, setting: “63”), the
output voltage is decreased when the output frequency reaches the energy-saving starting frequency.
This feature is only enable by multi-function contact input.
.
This parameter is used to select if Automatic Energy Saving Mode is to be on or off. A multi-function
contact input is not required to activate Automatic Energy Saving Mode. This mode of operation auto-
matically searches for the optimum motor voltage required to save energy. This function is separate
and not to be confused with parameters B8-01 and B8-02. The energy saving mode that utilizes B8-01
and B8-02 requires a multi-function input to be activated for operation. This Automatic Energy Sav-
ing Mode selection does not require a multi-function input to activate operation.
Setting Range:
0 to 10.0
Factory Default:
0.7
The output voltage during energy-saving operation is the product of the normal V/f settings (El-03 to
E1-10) and the energy saving gain. The output voltage decreases and recovers according to the Energy-
Saving Control Time Constant B8-05. As the energy saving gain increases, the output voltage
increases also.
Note: When the control mode A1-02=3, the default factory setting becomes 1.0
Setting Range:
0.00 to 10.00
Factory Default:
0.50
Parameter B8-05 sets the response time for the Automatic Energy Saving function.
Decreasing the Energy Control Time-Constant, will cause the response to become quicker; however,
instability may occur if this is decreased too much.
Note: When control mode A1-02=3, the default factory setting becomes 0.01.
B8-02 Energy Saving Starting Frequency
Energy Save Freq
A
A
-
-
B8-03 Automatic Energy Saving
<1110>
Energy Save Sel
-
-
A
A
Setting
Description
0
Disabled (factory default)
Energy saving mode will not be activated under light loads.
1
Enabled
The energy saving mode will be activated under light loads.
B8-04 Energy Saving Control Gain
Energy Save Gain
-
-
A
A
B8-05 Energy Control Time-Constant
Energy Save F. T
-
-
A
A
Section B: Application Parameters
B8 Energy Savings