Stopping Methods
6-9
Stopping Methods
This section explains methods of stopping the Drive.
Selecting the Stopping Method when a Stop Command is Sent
There are four methods of stopping the Drive when a stop command is sent:
• Deceleration to stop
• Coast to stop
• DC braking stop
• Coast to stop with timer
Set parameter b1-03 to select the Drive stopping method. A DC braking stop and coasting to a stop with a
timer cannot be set for flux vector control.
Related Parameters
Parameter
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Operation
Control Methods
Display V/f
V/f
with
PG
Open-
Loop
Vector
1
Flux
Vector
Open
Loop
Vector
2
b1-03
Stopping
Method
Selection
Selects the stopping method when the
run command is removed.
0: Ramp to Stop
1: Coast to Stop
2: DC Injection to Stop
3: Coast with Timer (A new run
command is ignored if received
before the timer expires).
0 to 3
*
0 NoQQQQQ
Stopping
Method
b1-05
Minimum
Output
Frequency
(E1-09) or
Less
Operation
Selection
Operation method when frequency
reference is less than minimum output
frequency set in E1-09.
0: Operates according to frequency
reference (E1-09 is disabled).
1: Output shuts off (coast to stop if less
than E1-09).
2: Operates according to E1-09
(frequency reference set to E1-09).
3: Zero speed (frequency reference
becomes zero when less than E1-09).
0 to 3 0 No No No No A No
Zero-Speed
Oper
b2-01
DC
Injection
Braking
Start
Frequency
Sets the frequency at which DC injection
braking starts when ramp to stop
(b1-03 = 0) is selected. If b2-01< E1-09,
DC Injection braking starts at E1-09.
Note: Zero Speed restrictions are active
in Flux Vector Mode.
0.0 to
10.0
0.5Hz No A A A A A
DCInj Start
Freq
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