Principles of analog modules
5.1 Representation of the values for analog input channels
S7-300 Module data
278 Manual, 06/2017, A5E00105505-AJ
Representation of the analog values of thermocouples type U
Table 5- 33 Representation of the analog values of thermocouples type U
H
H
H
850.0
:
8500
:
2134
H
:
H
1562.0
:
15620
:
2738.0
H
:
H
1123.2
:
11232
:
2BE0
H
:
H
Overshoot
range
600.0
:
6000
:
1770
H
:
1112.0
:
11120
:
2B70
H
:
873.2
:
8732
:
221C
H
:
Rated range
H
H
H
Faulty wiring (polarity reversal, or open inputs, for example), or sensor error in the negative range (wrong
type of thermocouple, for example) will cause the analog input module to signal underflow, starting at ...
... from F380
H
underflow and
H
... from EAC0
H
underflow and
H
... from FE2C
H
underflow and
H
Representation of analog values for type TXK/XKL GOST thermocouple
Table 5- 34 Representation of analog values for type TXK/XKL GOST thermocouple
1050.0
:
8500
:
2904
H
:
H
1922.0
:
19220
:
4B14
H
:
H
Overshoot range
800.0
:
0.0
:
8000
:
0
:
1F40
H
:
0000
H
:
1472.0
:
32.0
:
14720
:
320
:
3980
H
:
0140
H
:
Rated range
< -200.0 <-32768 <
F8000
H
< -328.0 <-32768 8000
H
Underflow
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