Xinje VB3-20P7, User Manual

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V5 series inverter
76
4-2-6 4-2-6 4-2-6 4-2-6.... Protective Protective Protective Protective function function function function parameters parameters parameters parameters
（
Group Group Group Group P5 P5 P5 P5
）
This parameter defines the protection mode when overload or overheat occurs.
0 0 0 0
：
Inverter Inverter Inverter Inverter locking locking locking locking output output output output . When overload or overheat occurs, inverter will lock output and the motor will coast-to-stop.
1 1 1 1
：
Disabled Disabled Disabled Disabled.... Motor will be without overload protection and inverter will do the overload protection for the motor.(Cautions to
using)
This parmeter is used to set sensitivity of thermal relay protection from inverter to overload. When the output current value
of load motor can not match the rated current of the inverter, correct thermal protection can be realized by setting this
parameter, as shown in Fig.4-30.
Use the following coefficient to calculate.
Fig. Fig. Fig. Fig.4-30 4-30 4-30 4-30 Thermal Thermal Thermal Thermal relay relay relay relay protection protection protection protection
Note
Note Note
Note
: When one inverter run with multi-motors, inverter’s thermal relay protection will be disabled. Therefore, please install
thermal relay in the wire end of each motor to protect motor more efficiently.
0
0 0
0
：
Prohitit
Prohitit Prohitit
Prohitit
1
1 1
1
：
Permit
Permit Permit
Permit
During deceleration, the motor’s decelerate rate may be lower than that of inverter’s output frequency due to the load inertia.
At this time, the motor will feedback the energy to the drive, resulting in the voltage rise on the inverter's DC bus. If no
measures taken, the inverter will trip due to over voltage.
During the deceleration, the inverter detects the bus voltage and compares it with the over voltage point at stall defined by
P5.03. If the bus voltage exceeds the stall overvoltage point, the inverter will stop reducing its output frequency. When the
bus voltage becomes lower than the point, the deceleration continues, as shown in Fig.4-31.
P5.00 P5.00 P5.00 P5.00 Motor Motor Motor Motor overload overload overload overload protection protection protection protection mode mode mode mode selection selection selection selection Range Range Range Range
：
0 0 0 0,,,,1 1 1 1 0 0 0 0
P5.01 P5.01 P5.01 P5.01 Motor Motor Motor Motor’’’’ssss overload overload overload overload protection protection protection protection coefficient coefficient coefficient coefficient Range Range Range Range
：
20(%) 20(%) 20(%) 20(%)
－
120(%) 120(%) 120(%) 120(%) 100(%) 100(%) 100(%) 100(%)
P5.02
P5.02
P5.02 P5.02 Protection
Protection
Protection Protection of
of
of of over
over
over over load
load
load load at
at
at at stall
stall
stall stall Range Range Range Range
：
0 0 0 0,,,,1 1 1 1 1
1
1 1
P5.03
P5.03 P5.03
P5.03 Over
Over Over
Over voltage
voltage voltage
voltage point
point point
point at
at at
at stall
stall stall
stall Range
Range Range
Range
：
380V
380V 380V
380V
：
120
120 120
120
～
150(%)
150(%) 150(%)
150(%)
220V
220V 220V
220V
：
110
110 110
110
～
130(%)
130(%) 130(%)
130(%)
140(%)
140(%) 140(%)
140(%)
120(%)
120(%) 120(%)
120(%)