Adjustment Of Position Controller - Execute X.tune - Burkert 3320 Quick Start Manual

Type 3320, 3321
9.4 Adjustment of position controller –
execute X.TUNE
When executing the X.TUNE function the position control is
adjusted at the physical stroke of the electromotive actuator in
use.
Devices come with the X.TUNE function performed by the
manufacturer.
WARNING!
Only perform X.TUNE if necessary.
The X.TUNE function only has to be executed again if the
actuator has been dismantled or the valve body has been
replaced.
WARNING!
Danger due to uncontrolled process after executing the
X.TUNE function.
Executing X.TUNE under operating pressure will cause an
actuator error. The result is an uncontrolled process.
▶ Never perform X.TUNE under operating pressure.
▶ Secure the system against unintentional activation.
9.4.1 Adjustment of position controller with
buttons in device
The two buttons for triggering X.TUNE are located beneath the
blind cover.
Start-up
Unlock blind cover
Fig. 20: Adjustment of position controller with buttons in device
Devices with ATEX or IECEx approval
The devices are secured with a special cover. The removal
of the cover is described in the supplementary instructions
for the electromotive valves with ATEX approval and IECEx
approval.
→ To unlock the blind cover, turn it counterclockwise and
remove.
How to trigger the X.TUNE function:
M ake sure that there is no operating pressure.
Only perform X.TUNE when necessary.
→ Hold down the OPEN and CLOSE buttons together at the
same time for 5 seconds.
The LED illuminated ring will light up orange while the
X.TUNE is executed.
When X.TUNE is finished, the LED illuminated ring returns to its
previous status.
English
CLOSE button
OPEN button
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