Liquid Level – calibrate and set alarm threshold for Liquid Level
a) Raw Level – This is the raw reading from the PLC analog input.
b) 0% Calibrate – Push this pushbutton when calibrating at the zero Liquid Level.
c) Offset Level – After calibrating the liquid level at zero level by pushing the ‘0% Calibrate’
pushbutton the raw reading will become the Offset Level.
d) 100% Calibrate – Push this pushbutton when calibrating at the 100% Liquid Level.
e) Current Level % - The blue box indicates the current liquid level.
f) Forced Level % - You can force a liquid level by typing a value in the yellow input box
and pressing the ‘Force’ toggle.
g) Alarm Thresholds – The thresholds low and high liquid level alarms can be set by typing
an alarm threshold % value and associated time before the alarms occurs into the yellow
input box.
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