01/02 AWB8230-1413GB
PID control
121
Internal regulator-based calculations
All calculations within the PID algorithm are carried out in
percentages, so that different physical units can be used, such as
• Pressure (N/m
2
),
•Flow rate (m
3
/min),
• Temperature (°C), etc.
The setpoint and returned actual values can, for example, also be
compared as percentages.
A useful scaling function (PNU A075) is also available. When these
parameters are used, you can define the setpoint directly as the
required physical quantity and/or display setpoint and actual
values as physical quantities suitable for the process.
In addition, analog signal matching (PNU A011 to A014) is
available, with which you can define a range based on the fed
back actual value signal. The following graphs illustrate the mode
of operation of this function.
efesotomasyon.com - Klockner Moeller - inverter
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