Energy saving: b8, Zero servo: b9 – Yaskawa G7 Drive User Manual
Page 132
User Parameter Tables
5-
21
Energy Saving: b8
User parameters for energy-saving control functions are shown in the following table.
* 1. The factory setting is 1.0 when using V/f control with PG.
* 2. Initial settings vary based on drive capacity and control mode.
* 3. Caution: Initial settings will vary based on motor capacity.
Zero Servo: b9
User parameters for dwell functions are shown in the following table.
Parameter
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Operation
Control Methods
MODBUS
Register
Display
V/f
V/f
with
PG
Open
Loop
Vector
1
Flux
Vector
Open
Loop
Vector
2
b8-01
Energy Saving
Control
Selection
Energy Savings function
enable/disable selection.
0: Disabled
1: Enabled
0 or 1
0
No
A
A
A
A
A
1CCH
Energy Save
Sel
b8-02
Energy
Saving Gain
Sets energy savings control
gain when in vector control
mode.
0.0
to
10.0
0.7
*1
Yes
No
No
A
A
A
1CDH
Energy Save
Gain
b8-03
Energy Saving
Control
Filter Time
Constant
Sets energy saving control
filter time constant when in
vector control mode.
0.00
to
10.0
0.50 s
*2
Yes
No
No
A
A
A
1CEH
Energy
Saving F.T
b8-04
Energy Saving
Coefficient
Value
Used to fine-tune the energy
savings function when in V/f
Control Mode.
0.0
to
655.00
*3
No
A
A
No
No
No
1CFH
Energy Save
COEF
b8-05
Power Detection
Filter Time
Used to fine-tune the energy
savings function when in V/f
Control Mode.
0
to
2000
20ms
No
A
A
No
No
No
1D0H
kW Filter Time
b8-06
Search
Operation
Voltage Limit
Used to fine-tune the energy
savings function when in V/f
Control Mode.
0
to
100
0%
No
A
A
No
No
No
1D1H
Search V Limit
Parameter
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Operation
Control Methods
MODBUS
Register
Display
V/f
V/f
with
PG
Open
Loop
Vector
1
Flux
Vector
Open
Loop
Vector
2
b9-01
Zero-servo
Gain
Sets the position loop gain for
Zero Servo command. This
function is effective when
multi-function input
"zero- servo command" is set.
0
to
100
5
No
No
No
No
A
No
1DAH
Zero Servo
Gain
b9-02
Zero-servo
Completion
Width
Sets number of pulses used
for the multi-function output
of "zero servo completion".
0
to
16383
10
No
No
No
No
A
No
1DBH
Zero Servo
Count