PVJ3
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again & the logger will be displayed. Press the down arrow to run through the
last 6 logged events.
Press the function button to return to the main page.
4.15 Auto Tuning
After setting all the calibration setting above (which may need small
adjustments once auto tuning has been carried out), carry out an auto tune
which will set up the controller PID parameters to suit the live input from the
field pressure transducer.
It is critical that the following is observed: -
1) Make shore pump is running at set point pressure & is not wanting to call
other pump online.
2) Use only one pump in automatic, Turn the remainder off.
Auto tuning takes from 5 to 20 seconds & is a three stage process.
To carry out an auto tune ensure that 1-off selector is in auto, press& hold the
LEFT ARROW button for 5seconds the display will flash AUTO-TUNE IN
PROGRESS until auto tune is complete. During this time you cannot access
other screens.