YASKAWA
SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual
589
■
b1-05: Operation Below Minimum Freq
No.
(Hex.)
Name
Description
Default
(Range)
b1-05
(0184)
Operation Below Minimum
Freq
Sets the operation to perform when the frequency reference falls below the value set in
E1-09
[Minimum Output Frequency]
.
0
(0 - 3)
0 : Operate at Frequency Reference
When the frequency reference is less than the value set in
E1-09
, the drive will continue to operate the motor as
specified by the frequency reference.
If the motor speed is less than or equal to the value set in
b2-01 [DC Injection/Zero SpeedThreshold]
when you
enter the Stop command (or deactivate the Run command), the drive will do Zero Speed Control for the time set
in
b2-04 [DC Inject Braking Time at Stop]
and then turn OFF its output.
Figure 11.16 Operate at the Frequency Reference
1 : Coast to Stop
If the frequency reference is less than the value set in
E1-09
, the drive stops motor voltage output and the motor
coasts to stop. If the motor speed is less than or equal to the value set in
b2-01
, the drive will do Zero Speed
Control for the time set in
b2-04
.
Figure 11.17 Coast to Stop
2 : Operate at Minimum Frequency
If the frequency reference is less than the value set in
E1-09
and the Run command is still enabled, the drive
operates the motor at the minimum frequency reference set in
E1-09
.
When you enter the Stop command (or deactivate the Run command), the drive decelerates the motor. If the motor
speed is less than or equal to the value set in
b2-01
, the drive will do Zero Speed Control for the time set in
b2-04
.
Figure 11.18 Operate at Minimum Frequency
3 : Operate at Zero Speed
If the frequency reference is less than the value set in
E1-09
, the drive will do Zero Speed Control.
When you enter the Stop command (or deactivate the Run command), the drive will do Zero Speed Control again
for the time set in
b2-04
.
V/f
CL-V/f
OLV
CLV
AOLV
Содержание CR700
Страница 1: ......
Страница 2: ...This Page Intentionally Blank 2 YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual ...
Страница 244: ...3 13 Test Run Checklist 244 YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual ...
Страница 422: ...7 7 Storage Guidelines 422 YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual ...
Страница 426: ...8 2 Disposal Instructions 426 YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual ...
Страница 837: ...EZZ023535 2 35 1 Revision History Revision Revised Content Date First Edition 2017 08 ...
Страница 872: ...EZZ023536 2 16 Revision History Revision Revised Content Date First Edition 2017 08 ...