YASKAWA CIMR-VU BA0001 Technical Manual page 126

5.2 b: Application
Note: If an overcurrent (oC) fault occurs during DC Injection Braking to stop, lengthen the minimum baseblock time (L2-03) until the fault no
longer occurs.
Setting 3: Coast to Stop with Timer
When the Run command is removed, the drive will turn off its output and the motor will coast to stop. If a Run command is
input before the operation wait time t expires, the drive will not rotate the motor and the Run command will need to be cycled
before operation can occur.
Output Frequency
The operation wait time t is determined by the output frequency when the Run command is removed and by the active
deceleration time.
n b1-04: Reverse Operation Selection
For some applications, reverse motor rotation is not appropriate and may even cause problems (e.g., air handling units, pumps,
etc.). Setting parameter b1-04 to 1 instructs the drive to ignore any Reverse run commands.
No.
b1-04
Setting 0: Reverse Operation Enabled
Possible to operate the motor in both forward and reverse directions.
126
DC Injection braking time
b2-04×10
b2-04
10%
Stop command was entered
Figure 5.7 DC Injection Braking Time Depending on Output Frequency
Run Command
Drive output voltage
interrupted
Figure 5.8 Coast to Stop with Timer
Operation wait time t
Selected
decel time
Minimum
Baseblock Time
(L2-03)
Min. output
frequency
Figure 5.9 Operation Wait Time Depending on Output Frequency
Parameter Name
Reverse Operation Selection
Output frequency when
(Maximum output
ON OFF
Operation Wait Time t
Output frequency
when Stop command
is entered
YASKAWA ELECTRIC SIEP C710606 18F YASKAWA AC Drive – V1000 Technical Manual
100%
frequency)
ON OFF ON
100%
(Max. output
frequency)
Setting Range
0 or 1
Default
0