Inovance MD800 Series - Page 228

Parameter Group
-227-
F2-04
High-speed speed loop Ti
Address:
61956
Min.:
001
Unit:
s
Max.: 10.000 Data type: UInt16
Default:
1.000
Change:
At once
Value Range:
0.001s to 10.000s
Description
The reciprocal of the speed loop integral time constant is the integral gain. The speed loop integral
time constant affects the steady-state speed error of the motor and the stability of the speed loop
system. Increasing the speed loop integral time constant slows down the response of the speed loop.
In this case, increase the speed loop proportional gain to shorten the response time of the speed
loop. The high speed loop Ti is used in the case of high speed.
F2-05
Switchover frequency 2
Address:
61957
Min.:
0.00
Unit:
Hz
Max.: 655.35 Data type: UInt16
Default:
10.00
Change:
At once
Value Range:
0.00 Hz to 655.35 Hz
Description
The speed loop PI parameters are divided into two groups: low speed and high speed. When the
running frequency is lower than switchover frequency 1 (F2-02), the speed loop PI is adjusted by F2-00
and F2-01. When the running frequency is higher than switchover frequency 2 (F2-05), the speed loop
PI is adjusted by F2-03 and F3-04. When the running frequency falls between switchover frequency 1
and switchover frequency 2, PI parameters are obtained from linear switchover between the two
groups of PI parameters. The value of this parameter must be smaller than F2-05 (switchover
frequency 2).
F2-06
VC slip compensation gain
Address:
61958
Min.:
50
Unit:
%
Max.: 200 Data type: UInt16
Default:
100
Change:
At once
Value Range:
50% to 200%
Description
In SVC control mode, this parameter is used to adjust the speed stability accuracy of the motor. For
example, when the running frequency of the motor is lower than the output frequency of the AC drive,
you can increase the value of this parameter.
No adjustment is required under normal circumstances.
F2-07
Speed feedback filter time
Address:
61959
Min.:
0.000
Unit:
s
Max.: 0.1000 Data type: UInt16
Default:
004
Change:
At once
Value Range:
0.000s to 0.1000s