Figure 4-3, Figure 4-4 – INFICON IQM-233 Thin Film Deposition Controller PCI-Express Card Codeposition Software Operating Manual User Manual
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Figure 4-3 Examples of Control Loop Damping
Figure 4-4 Examples of Dead Time Settings
POSITIVE STEP
TIME
-----------
over damped
-----------
critically damped
-----------
under damped
NEGATIVE STEP
+40
-40
0
SETPOINT
TIME
RA
TE
DELA
Y TIME
INCREASING
O
– under damped
A
– critically damped
B
– over damped
O
A
B
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