7 Setup Program
66 IMAGO F3000 / 10.01
Controller inputs
Factory
settings
Self-optimization (TUNE)
Method
The self-optimization function SO determines the optimum controller parame-
ters for a PID or PI controller.
The following controller parameters are determined, depending on the type of
controller:
Reset time (Tn1, Tn2), derivative time (Tv1, Tv2), proportional band (Xp1, Xp2),
switching cycle time (Cy1, Cy2), filter time constant (dF).
The controller selects one of two methods, a or b, depending on the size of the
control deviations:
Selection/settings Description
Process value
Setpoint selection
Output level
feedback
(Analog selector) Defines the signal sources for the process value,
setpoint, output level feedback
k / bold = factory setting
Controller Process value Setpoint Output level feedback
1 Analog input 1 W chamber off
2 Relative humidity W chamber off
3 off off off
4 off off off
Selection/settings Description
Self-optimization
Enabled Defines whether it is possible to start the self-
optimization on the unit.
Inhibited
Controller output 1
for TUNE
Controller output 2
for TUNE
Relay and logic The hardware type of the outputs which are
assigned to the controller outputs must be
set here.
Solid-state
Analog
k / bold = factory setting
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