Burkert Type 8793 User Manual
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Operationandfunction
6.3.3.
running the automatic adjustment for TUNE FUNCTIONS
X.TUNE Automatic adjustment of the positioner
PQ-LIN
5)
Automatic linearization of the process characteristic
P.TUNE
5)
Self-optimization of the process controller
The
TUNE FUNCTIONS must be run for a function check of the positioner / process controller to adjust
to specific local features.
Warning!
while the TUNE FUNCTIONS is running, the valve automatically moves from its current position!
• Never run
TUNE FUNCTIONS while a process is running!
• Take appropriate measures to prevent the system / positioner / process controller from being unintentionally
actuated!
noTe!
avoid maladjustment of the controller due to an incorrect compressed air supply or applied operating
medium pressure!
• Run
TUNE FUNCTIONS whenever the compressed air supply (= pneumatic auxiliary energy) is available
during subsequent operation.
• Run the
TUNE FUNCTIONS function preferably without operating medium pressure to exclude interference
caused by flow forces.
Set up connection
Figure 21:
Starting TUNE FUNCTIONS
5)
only with process controller Type 8693 and 8793
English
Software Tool - 8x92 / 8x93