Vaidnor VDF730 Series, Руководство пользователя

Страница: 60 / 166

VDF730 User Manual Operation and Display
-
59
-
Figure 4
-
8 Frequency curve of direct start
P4
-
07
(
Acceleration
/
Deceleration mode
)
P0
-
06
(
Frequency
upper limit
)
P0
-
09
(
Acceleration
time
)
Frequency
(
f
)
Time
(
t
)
Running
command
P4
-
00
=
0
(
Direct start
)
P4
-
03
(
Startup frequency
)
P4
-
06
(
Startup DC
braking time
)
P4
-
04
(
Startup frequency
holding time
)
P0
-
06
(
Frequency
upper limit
)
P0
-
09
(
Acceleration
time
)
Frequency
(
f
)
Time
(
t
)
Running
command
Default
:
P4
-
06
=
0
.
0s
P4
-
03
=
0
.
00 Hz
P4
-
04
=
0
.
0s
P4
-
07
=
0
P4
-
00
=
0
(
Direct start
)
• P4
-
00
=
1
(
Rotational speed tracking restart
)
It is applicable to large
-
inertia load
.
The frequency curve in this mode is shown in the
following fgure
.
If the motor is still rotating due to the inertia when the AC drive starts
,
this mode is used to prevent start overcurrent
.
Figure 4
-
9 Frequency curve of rotational speed tracking restart
P0
-
06
(
Frequency
upper limit
)
P0
-
09
(
Acceleration
time
)
Frequency
(
f
)
Time
(
t
)
Running
command
Initial rotational speed
of the load motor
P4
-
00
=
1
(
Rotational
speed tracking restart
)
Automatic rotational
speed tracking detection
P0
-
06
(
Frequency
upper limit
)
P0
-
09
(
Acceleration
time
)
Frequency
(
f
)
Time
(
t
)
Running
command
Initial rotational speed of
the load motor
=
0
P4
-
00
=
1
(
Rotational
speed tracking restart
)
Automatic
rotational speed
tracking detection
4
.
4
.
3 Stop Mode
The AC drive supports two stop modes
,
decelerate to stop and coast to stop
,
set in P4
-
10
.
Figure 4
-
10 Diagram of two stop modes
(
decelerate to stop and coast to stop
)
Running
frequency
P0
-
10
(
Deceleration time
)
Frequency
(
f
)
Time
(
t
)
Stop command
No
output
P4
-
11
(
Initial frequency of
stop DC braking
)
P4
-
12
(
Waiting
time of stop DC
braking
)
P4
-
14
(
Stop DC
braking time
)
P4
-
13
(
Stop DC
braking current
, %)
P4
-
10
=
0
:
Decelerate to stop
Default values
:
P4
-
10
=
0
P4
-
11
=
0
.
00 Hz
P4
-
12
=
0
.
0s
;
P4
-
13
=
0
%;
P4
-
14
=
0
.
0s
Running
frequency
Rotational speed
under load
,
coast
to stop by inertia
Frequency
(
f
)
Time
(
t
)
Stop command
P4
-
10
=
1
:
Coast to stop