Pixsys ATR144 - Controller Functions; Modification of main and alarm setpoint value; Automatic Tune

18 - ATR144 - User manual
8 Controller Functions
8.1 Modification of main and alarm setpoint
value
Setpoint value can be modified from keyboard as follows:
Press Display Do
1


Value on display 2
changes.
Increases or decreases
the main setpoint
value.
2
SET
Visualizes the other
setpoints on display
1. Display 2 shows the
setpoint type.
3


Value on display 1
changes.
Increases or decreases
the alarm setpoint
value.
8.2 Automatic Tune
Automatic tuning procedure allows a precise regulation
without detailed knowledge of PID regulation algorithm.
Selecting Auto on par. 36 t u n .1 , the controller analyzes the
proces oscillations and optimizes the PID parameters.
Led T flashes.
If the PID parameters are not yet selected, at the device
switch-on, the manual tunig procedure described in the
next paragraph will be launched described into the next
paragraph.