Vaidnor VDF650 Series, User Manual

Page: 59 / 296

Operation
,
Display and Application Examples VDF650 User Manual
-
58
-
4
.
7
.
3 Stop Mode
The AC drive supports two stop modes
,
decelerate to stop and coast to stop
,
set in P6
-
10
.
Figure 4
-
12 Diagram of two stop modes
(
decelerate to stop and coast to stop
)
Running
frequency
P0
-
18
(
Deceleration time
)
Frequency
(
f
)
Time
(
t
)
Stop command
No
output
P6
-
11
(
Initial frequency of
stop DC braking
)
P6
-
12
(
Waiting
time of stop DC
braking
)
P6
-
12
(
Stop DC
braking time
)
P6
-
13
(
Stop DC
braking current
, %)
P6
-
10
=
0
:
Decelerate to stop
Running
frequency
Rotational speed under
load
,
coast to stop by
inertia
Frequency
(
f
)
Time
(
t
)
Stop
command
P6
-
10
=
1
:
Coast to stop
4
.
7
.
4 Timing Stop
The VDF650 supports timing stop
.
This function is enabled by P8
-
42 and the timing duration
is determined by P8
-
43 and P8
-
44
.
Figure 4
-
13 Setting of the timing stop function
P8
-
42
=
1
(
timing function enabled
)
P8
-
43
=
0
(
timing duration determined by F 8
-
44
)
Time
(
t
)
Running
command
Running state
Automatic stop
P8
-
44
(
Timing duration
)
P8
-
43
=
0
(
timing duration determined by F 8
-
44
)
Time
(
t
)
Running
command
Running state
Automatic stop
Set P8
-
42 to 1 to enable the timing function
.
P8
-
44
(
Timing duration
)
You can set the timing duration by means of analog input
(
such as potentiometer signal
).
For details
,
see the description of P8
-
43
.