45
100%
i
Process
Value
Time
100%
Process
Output
Stun
Start
Value
PID coefficients are determined
and system becomes stable.
Start Value + [ ( Set - Start Value) ]
2
Process Set
Value (
)
If cooling function and PID control form is selected for the system;
If set value is less than process value, process output becomes active till to the
value. When process value reaches to this
value, process output is reduced to 0% and it calculates PID coefficients.
Temperature - [(Temperature-Set) / 2]
Start Value - [ ( Start Value-Set) ]
2
PID coefficients were determined
Process
Value
Stun
Start
Value
Process Set
Value (
)
Process
Output
Time
