30
Filter desabled
(default)
Enable filter of
first order (time
const. 1s).
Mean on 2 samples
Mean on 3 samples
Mean on 4 samples
Mean on 5 samples
Mean on 6 samples
Mean on 7 samples
Mean on 8 samples
Mean on 9 samples
37
Filter applied
to
visualization
of process.
This filter can
slow down
the refresh of
value on
display in
order to
simplify the
reading.
Mean on 10 samples
14 - TUNING
Tuning operation allows the setting of optimal PID parameters
in order to assure good control action:
-Stable, “straight-line” control of temperature around setpoint,
without fluctuations;
-quick response to deviations from setpoint caused by external
noises
Tuning involves calculating and setting of the following
parameters:
• Proportional band (inertia of plant; expressed as °C for
temperature)
• Integral time (determines the time taken by the controller to
remove steady-state error signals, Inertia of plant expresses
as time value);
• Derivative time (reaction of controller to change of
measured value, usually ¼ of integral time)
Setpoint value cannot be modified during Autotuning.
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