Stopping Methods; Selecting The Stopping Method When A Stop Command Is Sent - YASKAWA G7 Series Technical Manual

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
Name
Parameter
Number
Display
Stopping Selects the stopping method when the
Method run command is removed.
Selection 0: Ramp to Stop
1: Coast to Stop
b1-03
2: DC Injection to Stop
Stopping
3: Coast with Timer (A new run
Method
Minimum Operation method when frequency
Output reference is less than minimum output
Frequency frequency set in E1-09.
(E1-09) or 0: Operates according to frequency
Less
b1-05 Operation 1: Output shuts off (coast to stop if less
Selection
2: Operates according to E1-09
Zero-Speed
3: Zero speed (frequency reference
Oper
DC
Sets the frequency at which DC injection
Injection
braking starts when ramp to stop
Braking
(b1-03 = 0) is selected. If b2-01< E1-09,
Start
b2-01
DC Injection braking starts at E1-09.
Frequency
Note: Zero Speed restrictions are active
DCInj Start
in Flux Vector Mode.
Freq
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Description
command is ignored if received
before the timer expires).
reference (E1-09 is disabled).
than E1-09).
(frequency reference set to E1-09).
becomes zero when less than E1-09).
Change
Setting Factory
during
Range Setting
V/f
Operation
*
0 No Q
0 to 3
0 to 3 0 No No
0.0 to
0.5Hz No A
10.0
Stopping Methods
Control Methods
Open- Open
V/f
Loop Flux Loop
with
Vector Vector Vector
PG
1 2
Q Q Q Q
No No A No
A A A A
9
6-