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ABB LST400 - Level Measurement Using the Lineariser Function with a Non-Linear Vessel

ABB LST400
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LST400 | ULTRASONIC LEVEL TRANSMITTER | OI/LST400-EN REV. E
21
Before setting up the linearizer, check all other parameters are
calculated for your application.
Scroll through the menus with either the
SCROLL
or
ENTER
until the menu SETUP LINEARIZER appears.
Use
to select YES and then press
ENTER
A prompt ACTIVATE LINEARIZER will appear. Use
to select YES and then press
ENTER
Set up each of the 21 points of the linearizer as needed by
using
and then pressing
ENTER
when
the correct value is entered in each point of the linearizer.
When finished press
RUN
Shown to the left is what LST400 will display on the above
application. The analogue output should be approximately
18.80mA.
Level 13.94 ft
mA Output: 18.80mA
Instant: 2.46 ft
Temperature: 20°C
Percentage: 92.50%
Level measurement using the lineariser
function with a non-linear vessel
Empty distance
16.5 ft / 5.00 m
2.46 ft / 0.75 m
Span 14.85 ft / 4.50 m
Security code 
Mode LEVEL
Empty distance 
Span 
Blanking 
Rate of change 
Setup lineariser YES
Activate lineariser YES
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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