Reset; Reset To Factory Settings; X.tune; Automatic Calibration Of The Position Controller To The Relevant Operating Conditions - Burkert 8791 REV.2 Operating Instructions Manual

Type 8791 REV.2
Functions
10.1.5

RESET -

Reset to factory settings

This function can be used to reset the positioner to the factory settings.
10.1.6

X.TUNE -

Automatic calibration of the position controller to the relevant
operating conditions
The X.TUNE function must be run for a function check of the positioner to adjust to specific local
features.
WARNING!
While the X.TUNE function is running, the valve automatically moves from its current position.
▶ Never run X.TUNE while a process is running.
▶ Take appropriate measures to prevent the system / positioner from being unintentionally actuated.
NOTE!
Avoid maladjustment of the controller due to an incorrect compressed air supply or applied operating
medium pressure.
▶ Run X.TUNE whenever the compressed air supply (= pneumatic auxiliary energy) is available during
subsequent operation.
▶ Run the X.TUNE function preferably without operating medium pressure to exclude interference caused
by flow forces.
To run X.TUNE, the positioner must be in the AUTOMATIC operating state (DIP switch 4 = OFF).
→
SSelect Automatic calibration of the position controller.
→
Start X.TUNE. To do this, click Next.
The progress of X.TUNE is shown in the communication software:
When the automatic adjustment completes, a message appears.
The changes are automatically transferred to the positioner's memory (EEPROM) after the X.TUNE function
is successful.
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