Unitronics UMI-B1 UL Series Operation Manual page 38

UMI-B1 UL Series Inverter
Function
Name
code
ACC time
of the
P01.06 starting
step of S
curve
DEC time
of the
P01.07 ending
step of S
curve
Stop
P01.08
selection
Starting
frequency
P01.09
of DC
braking
Waiting
P01.10 time before
DC braking
DC braking
P01.11
current
DC braking
P01.12
time
Detailed instruction of parameters
Output frequency
fmax
t1
1: S curve
0.0–50.0s
Output frequency
0: Decelerate to stop: after the stop command
becomes valid, the inverter decelerates to
reduce the output frequency during the set
time. When the frequency decreases to 0Hz,
the inverter stops.
1: Coast to stop: after the stop command
becomes valid, the inverter ceases the output
immediately. And the load coasts to stop at
the mechanical inertia.
Starting frequency of DC braking: start the DC
braking when running frequency reaches
starting frequency determined by P1.09.
Waiting time before DC braking: Inverters
blocks the output before starting the DC
braking. After this waiting time, the DC
braking will be started so as to prevent
over-current fault caused by DC braking at
high speed.
DC braking current: the value of P01.11 is the
percentage of rated current of inverter. The
bigger the DC braking current is, the greater
the braking torque is.
T
t2
t1=P01.06
t2=P01.07
T
t3=P01.06
t4=P01.07
3
4
36
Function parameters
Default
Modify
value
◎
0.1s
◎
0.1s
○
0
○
0.00Hz
○
0.00s
○
0.0%
○
0.00s