Burkert Type 8630 - Manual (Page 163)

8630 - 161
G
ENERAL
R
ULES
(A
PPENDIX
)
1
Ti
I component
Function: Y = ∫ Xd dt
Ti is the integration or floating time. It is the time that expires until the controller output has run through
the entire correcting range.
Characteristic and step response of the I component of a PID controller
Characteristics
A purely I controller completely eliminates the effects of disturbances. It thus has a favourable static
behaviour. Because of its finite correcting speed, it works more slowly than a P controller and tends to
oscillation. It is hence dynamically relatively unfavourable.
Characteristic line Step response
Control range ∆Xc Floating time
Correcting range