Wavelength Electronics LFI-3751, Руководство пользователя, Страница: 27 / 132

27
2
Chapter 2 - Front Panel Operation
Autotune PID Operation
B. Disturbance Rejection Tuning
•
Rotate the Display Select Switch to P ( Shift Button ON ).
•
While the output current is disabled, rotate the Digi-Pot Adjust Knob
counter-clockwise to change the value displayed to Autd. Wait about two
seconds before starting an Autotune sequence.
•
Rotate the Display Select Switch to I ( Shift Button ON ).
•
Rotate the Digi-Pot Adjust Knob to change the value displayed. If
I = 0, Autotune will optimize your system without an integrator. If I
K
0,
Autotune will optimize your system with the integrator function.
•
Rotate the Display Select Switch to D ( Shift Button ON ).
•
Rotate the Digi-Pot Adjust Knob to change the value displayed. If
D = 0, Autotune will optimize your system without a differentiator.
If D
K
0, Autotune will optimize your system with the differentiator
function.
•
Refer to pages 30 & 31 for a discussion of the integrator and differentiator
functions.
•
RS-232 Command: [P], [I], [D]
P ACT T
LIM I
AUX T
TE V
SET T
TE I
B
C
I
A
D
P ACT T
LIM I
AUX T
TE V
SET T
TE I
B
C
I
A
D
P ACT T
LIM I
AUX T
TE V
SET T
TE I
B
C
I
A
D
decrease
increase
Proportional Gain
Differentiator Time Constant
Integral Time Constant