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Figure 6-3, Figure 6-4 – INFICON IQM-233 Thin Film Deposition Controller PCI-Express Card Operating Manual User Manual

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IQM-233 Operating Manual

Figure 6-3 Examples of Control Loop Damping

Figure 6-4 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