Chapter 5 Parameter Introductions
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121
◆1: Coast-to-stop
After receiving the stop command, the ac drive stops output immediately and the load
stops under the effects of mechanical inertia.
◆2: Dec-to-stop +DC injection braking
After receiving the stop command, the ac drive reduces its output frequency according
to the Dec time and starts DC injection braking when its output frequency reaches the
preset frequency of braking.
Refer to the Notes of P1.09～P1.12 for the functions of DC injection braking.
P1.09 DC injection braking frequency at
stop
Range: 0～MIN (50.00, Frequency upper
limit) 【0.00Hz】
P1.10 DC injection braking waiting time
at stop
Range: 0.00～10.00s【0.00s】
P1.11 DC injection braking current at
stop
Range: This value depends on the ac drive
model【0.0%】
P1.12 DC injection braking time at stop
Range: 0.0～30.0s【0.0s】
Note:
◆DC injection braking is injecting DC current to motor, to let it stop quickly, and keep
the spindle of motor in standstill until finished DC injection braking
Output Freq.
DC injection braking
frequency at stop
Output Voltage
（
effective value
）
Braking
Energy
Time
Running
command
Waiting time for DC
injection braking at
stop
DC injection
braking time
Fig. 5-1-6 DC injection braking
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