
AV-300i Version 2 User’s Guide
—————— Function Description ——————
Ch.1
53
1.4.5 Manual Tunings of Regulator Loops (Test Generator)
The automatic loops tuning (CurrentReg, FluxReg and SpeedReg autotune) is strongly recommended before to
carry out any manual tuning. The manual tunings can be useful to improve the response time of the drive loops.
Using the Test generator function it is possible to carry out the manual tunings.
In the following paragraphs it is described the procedure:
-
Manual tuning of the Current regulator
-
Manual tuning of the Flux regulator
-
Manual tuning of the Speed regulator
1.4.5.1 Test Generator Function
The tuning of the regulators is performed via an internal test signal generator in order to evaluate the regulator
response. This operation requires the use of a digital oscilloscope. The “Test generator” generates signal shaped
as a rectangular wave with a programmable frequency and amplitude.
For each tuning, described in the following= pararagraphs, follow the steps below.
In the
REGULATION PARAM
menu, scroll Down until
Test generator
command, then press Enter.
The display will show:
Test generator
Test gen mode
press Enter.
The display will show:
Test gen mode
Off
press Enter.
The display will show:
Select new mode
Off
press Enter and scroll Down to select the regulator
input on which the signal must work(see procedures):
Off
off
Ramp ref 1
Ramp reference 1
Speed ref 1
Speed reference 1
Torque ref 2
Torque reference 2
Magn curr ref
Magnetizzant current reference
Flux ref
Flux reference
Outvlt lim
Voltage reference
then press Enter and wait for the end of “Busy - Please wait....”message.
Press Escape two times to return
Test gen mode
menu.
Scroll Down to:
Test generator
Test gen cfg
press Enter.
Set the following parameters:
Gen hi ref
Value in count of the higher value
Gen low ref
Value in count of the lower value
Gen period
Period of the square wave
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