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Example 1 - Level Measurement
Material Level
This is the most common application of the SITRANS LU10 level monitor.
For this example we'll assume the following:
•
one 30 m high cement silo is to be monitored.
•
the maximum vessel filling rate is 0.08 m per minute.
•
alarm indicators are required when the cement level exceeds 25 m or falls below
10 m.
•
filling equipment is to be automatically deactivated at 27 m.
•
in the event of a measurement difficulty, failsafe operation is to be activated in 2
minutes.
•
if the difficulty doesn't subside, the filling process is to be stopped before a spill
occurs.
•
an XLT-30 transducer is mounted with its face flush with the top of the vessel.
•
a TS-3 temperature sensor is connected to the Temp Sensor 1 terminals.
•
a LU SAM is connected as BANK 1 to the Peripheral Communications terminals.
25.00
(P101)
27.00 m
(P103)
Page 84
10.00 m
(P102)
5.00 m
(P104)
SITRANS LU10 – INSTRUCTION MANUAL
transducer
30.00 m
(P006)
29.01 m
(P007)
7ML19985AN02
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