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5.4.6.
L
INEARIZATION
P47:
- - - a Linearization
Linearization is the method of assigning requested (calibrated or calculated) level, volume or flow to values measured by the transmitter.
It can be used for instance if the sound velocity is not known (LEVEL
⇒
LEVEL) or in the case of tank with other shape than under 5.4. 5. (LEVEL
⇒
VOLUME).
a
Linearization
0
OFF (FACTORY DEFAULT)
1
ON
Conditions of correct programming of the data pairs
The table must always start with: L(1)= 0 and r(1)= value (assigned to 0 level)
The table must be ended either with the 32
nd
data pair i.e. j=32 or if the linearisation table contains less than 32 data-pairs j<32, it must be ended with a
level value “0” e.g. L(j<32)= 0.
The EasyTREK will ignore data after recognising level value “0” with serial number other than “1”.
If the above conditions are not met, error codes will be sent (see chapter: Error Codes).
i
L (Left column)
Level values measured
r (Right column)
Value assigned to transmit
1 0
r(1)
2 L(2)
r(2)
L(i) r(i)
nn L(nn)
r(nn)
nn+1 0
32
FACTORY DEFAULT: 0
P48:
Number of linearization data pairs
Number of linearization data pairs entered in the table.
Summary of Contents for EasyTREK SCD-300 Series
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