173
8 Options
Fig. 8-7 Controller operation with I-term too high
Fig. 8-8 Controller operation with D-term too high
Characteristic Control Process Control Mode Start-up Procedure
D term higher decrease of atten-
uation
stronger reaction slower start-up, earlier
decrease of power
D term smaller increase of attenu-
ation
less reaction faster start-up,
decrease of power
later
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