LSIS sv-ip5a User Manual

Chapter 6 - Parameter Description [FU1]
6-14
FU1-24: DC Injection Braking Hold Time
FU1-25: DC Injection Braking Frequency
FU1-26: DC Injection Braking Time
FU1-27: DC Injection Braking Value
By introducing a DC voltage to the motor windings
this function stops the motor immediately. Selecting
‘DC-Brake’ in FU1-23 activates FU1-24 through
FU1-27.
When FU1-23 [Stop mode] is set to “DC Brake”,
inverter decelerates until FU1-25 [DC Injection
Braking Frequency] and begins DC Braking at this
frequency.
FU1-24 [DC Injection Braking Hold Time] is the
inverter output blocking time before DC injection
braking.
FU1-25 [DC Injection Braking Frequency] is the
frequency at which the inverter starts to output DC
voltage during deceleration.
FU1-26 [DC Injection Braking Time] is the time the
DC current is applied to the motor.
FU1-27 [DC Injection Braking Value] is the DC
voltage applied to the motor and is based on FU2-
43[Rated Current of Motor].
[DC Injection Braking Operation]
Note: Do not set the FU1-27 higher than Inverter
rated current. Otherwise, it may lead to motor
overheat or overload trip.
Note: Do not set FU1-27 [DC Braking Frequency]
too high than its range (between 0~5Hz).
Otherwise, it may deteriorate its performance.
FU1-28: Safety Stop
This function is used to prevent potential danger from
occurring when the whole system is stopped by
power outage but the load keeps spinning due to high
load inertia.
When momentary power failure occurs while Safety
Stop is active, inverter stops the motor by
deceleration. Deceleration time depends on load
inertia energy.
If the load inertia rate is far different between the
factory set value and an actual value, set the proper
value in FU2-46 [Load Inertia] for optimum use of
the Safety Stop function. When the load inertial is
large, trip may occur during this function. In this case,
increase the FU2-46 [Load Inertia] value little by
little to find the proper value. For more stable Safety
FU1 ► DcBr freq
25 5.00 Hz
5.00 25
Factory Default: 5.00 Hz 5.00
FU1 ► DcBr time
26 1.0 sec
1.0 26
Factory Default: 1.0 sec 1.0
Output Frequency
Time
FX-CM
ON
Output Voltage
Time
Time
Stop Command
[DCB
r
Freq]
[DCB
r
Value]
t1 t2
t1: FU1-24
t2: FU1-26
FU1 ► DcBlk time
24 0.10 sec
0.10 24
Factory Default: 0.10 sec 0.10
FU1 ► DcBr value
27 50 %
50 27
Factory Default: 50 % 50
FU1 ► Safety Stop
28 No
0 28
Factory Default: No 0

LSIS sv-ip5a Specifications

General

Brand	LSIS
Model	sv-ip5a
Category	Controller
Language	English