60
Operation and function
14.1.5
RESET
-
Reset to factory settings
This function can be used to reset the positioner to the factory settings.
14.1.6
X.TUNE
-
Automatic adjustment of the positioner 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.
ATTENTION!
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 (Manual LED is not lit).
→
Select
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.
english
Type 8696, REV.2
Summary of Contents for 8696
Page 74: ...74 english Type 8696 REV 2...
Page 75: ...www burkert com...