Powtran PI160 Series User Manual

Chapter 5 Function parameter
68
Chapter 5
20=20*(20%+F2.17)，work out F2.17=0.8
Example 2:
Change the output 0~10V to 0~5V
According to the formula, minimum input voltage value: y1=10*F2.16*100%，
0=10*F2.16, work out F2.16=0.0%;
According to the formula, maximum input voltage value:y2=10*(F2.16+F2.17)；
5=10*(0+F2.17)，work out F2.17=0.5
5-2-5.F3 group Start and stop control group
Code
Parameter name
Setting range
Factory
setting
cha
nge
F3.00
Start-up mode
Direct start up
0
0
☆
Speed tracking restart
1
Pre-excitation start (AC
asynchronous motor)
2
0: Directly startup
If the start DC braking time is set to 0, the inverter starts running from the start frequency.
If the start DC braking time is not set to 0, the inverter firstly performs DC braking and then
starts running from the start frequency. Applicable for the small inertia load and the application
that the motor may rotate when starting.
1: Speed tracking restart
The inverter firstly judges the speed and direction of motor, and then starts at the tracked
motor frequency, smoothly starts the rotating motor without shocks. Applicable for the
momentary power cut and restart with high inertia loads. To ensure the performance of Speed
Tracking Restart, it is required to accurately set the parameters of motor b0 group.
2:Asynchronous motor pre-excitation start
Used to firstly create magnetic field before the motor running. Please refer to the
instructions of function code F3.05, F3.06 for pre-excitation current and pre-excitation time.
If the pre-excitation time is set to 0, the inverter will cancel the pre-excitation process, and
starts from the start frequency. If the pre-excitation time is not set to 0, the inverter will firstly
perform pre-excitation process and then starts so as to improve the dynamic response
performance of motor.
F3
.01
Speed tracking
mode
Start from stop frequency
0
0
★
Start from zero speed
1
Start from maximum frequency
2
For the shortest time to complete the process of speed tracking, select the speed mode for
inverter tracking motor :
0: Track downward from the frequency that power outage happens,Usually select this
mode.
1: Track upward from 0 frequency,for the case that power outage is for longer time and
then restarts.
2: Track downward from maximum frequency,for the general power generation load.
F3.02
Speed tracking value
1～100
20
☆
When performing speed tracking restart, select speed tracking value.
Soft track:The larger the parameter value, the faster tracking. But if the value is set to too
large, which may cause tracking unreliable.
F3.03
Start frequency
0.00Hz～10.00Hz
0.00Hz
☆
F3.04
Hold time for start frequency
0.0s～100.0s
0.0s
★
When the inverter starts, firstly run at the start frequency, the running time is the hold time
for start frequency, afterwards run at the frequency reference.
The start frequency F3.03 is not limited by the lower limit frequency. But if the set target
frequency is less than the start frequency, the inverter does not start and keeps in the standby

Powtran PI160 Series Specifications

General

Brand	Powtran
Model	PI160 Series
Category	Inverter
Language	English