Delta VFD-ED Series, User Manual

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Ch12 Descriptions of Parameter Settings | VFD-ED
12-69

Emergency Stop (EF) & Forced Stop
Control Mode VF VFPG SVC FOCPG FOCPM Default: 0
Settings 0: Coast to stop
1: According to deceleration Time 1
2: According to deceleration Time 2
3: According to deceleration Time 3
4: According to deceleration Time 4
5: According to Pr.01-31
 When the multi-function input terminal is set to 10 or 18 and is ON, the drive operates according to this
parameter setting.

Time for Decreasing Torque at Stop
Control Mode FOCPG FOCPM Default: 0.000
Settings 0.000–5.000 sec.
 When the elevator is stopped and the mechanical brake is engaged, the drive stops output. At the same
time, it produces noise from the reacting force between the motor and the mechanical brake. Use this
parameter to decrease this reacting force and lower the noise.
 Sets the time when torque decreases from 300% to 0%.
RUN/STOP
0%
i
t
i
00-01 x
100%
300% x (07-29)=t

DC Brake Current Level at Stop
Control Mode
VF VFPG SVC
Default: 0
Settings 0–100% of the rated current of the motor drive
 Sets the level of the DC brake current output to the motor at stop. When setting the DC brake current, the
rated current (Pr.00-01) is 100%. It is recommended that you start with a low DC brake current level and
then increase until you reach the proper holding torque. However, the DC brake current cannot exceed the
motor’s rated current to prevent the motor from burnout. Therefore, DO NOT use the DC brake for
mechanical retention, otherwise injury or accident may occur.
 When in FOCPG/FOCPM control mode, you can enable the DC brake without setting up Pr.07-30.