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Calculation
X
ADC
X
F
-14
Y
= (X
– B
) x A
x 2
H
ADC
H
H
-14
Y
= (Y
– B
) x A
x 2
A
H
A
A
-16
Y
= Y
x A
x 2
+ B
S
A
S
S
Table 2: Legend
Name
Designation
X
Output value of the A/D converter
ADC
X
Output value after the filter
F
B
Vendor calibration offset (not changeable)
H
A
Vendor calibration gain (not changeable)
H
B
User calibration offset (can be activated via index 0x80n0:0A)
A
A
User calibration gain (can be activated via index 0x80n0:0A)
A
B
User scaling offset (can be activated via index 0x80n0:01)
S
A
User scaling gain (can be activated via index 0x80n0:01)
S
Y
Process data for controller
S
Measurement result
The accuracy of the result may be reduced if the measured value is smaller than 32767 / 4 due to
one or more multiplications.
5.6.7
Producer Codeword
Producer Codeword
The vendor reserves the authority for the basic calibration of the terminals. The Producer codeword
is therefore at present reserved.
EL33xx-00x0
Designation
Output of the A/D converter
Output value after the filter
Measured value after vendor calibration,
Measured value after vendor and user calibration
Measured value following user scaling
Version: 4.2
Commissioning
Index
0x80nE:01
-
0x80nF:01
0x80nF:02
0x80n0:17
0x80n0:18
0x80n0:11
0x80n0:12
-
153
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