Acceleration and Deceleration Characteristics
6-
29
Accelerating and Decelerating Heavy Loads (Dwell Function)
The dwell function stores the output frequency when starting or stopping heavy loads. By temporarily storing
the output frequency, you can prevent the motor from stalling. When using the dwell function, you must select
a deceleration stop. Set b1-03 (Stopping Method Selection) to 0.
Related Parameters
* 1. When C6-01=0, the upper limit is 150.0.
* 2. When C6-01=1, the upper limit is 400.0.
Con-
stant
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
MEMO
BUS
Regis-
ter
V/f
V/f
with
PG
Open
Loop
Vec-
tor
Flux
Vec-
tor
b6-01
Dwell fre-
quency at
start
The dwell function is used to output
frequency temporarily when driving a
motor with a heavy load.
0.0 to
400.0
*
1
0.0 Hz
No
A
A
A
A
1B6H
0.0 to
300.0
*
2
b6-02
Dwell time
at start
0.0 to
10.0
0.0 s
No
A
A
A
A
1B7H
b6-03
Dwell fre-
quency at
stop
0.0 to
400.0
*
1
0.0 Hz
No
A
A
A
A
1B8H
0.0 to
300.0
*
2
b6-04
Dwell time
at stop
0.0 to
10.0
0.0 s
No
A
A
A
A
1B9H
Run Command
Output frequency
Time
ON
b6-03
OFF
b6-01
b6-04
b6-02