Principles of analog modules
5.1 Representation of the values for analog input channels
S7-300 Module data
274 Manual, 06/2017, A5E00105505-AJ
Representation of the analog values of thermocouples type C
Table 5- 25 Representation of the analog values of thermocouples type C
H
H
2500.0
:
25000
:
61A8
H
:
H
3276.6
:
32766
:
7FFE
H
:
H
Overshoot range
2315.0
:
23150
:
5A6E
H
:
2786.5
:
27865
:
6CD9
H
:
Rated range
-0.1
:
-1
:
FFFF
H
:
H
31.9
:
319
:
013F
H
:
H
Undershoot range
Representation of the analog values of thermocouples type E
Table 5- 26 Representation of the analog values of thermocouples type E
1200.0
:
12000
:
2EE0
H
:
H
2192.0
:
21920
:
55A0
H
:
H
1473.2
:
14732
:
398C
H
:
H
Overshoot
range
1000.0
:
10000
:
2710
H
:
1832.0
:
18320
:
4790
H
:
1273.2
:
12732
:
31BC
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 F0C4
H
underflow and
outputs 8000
H
.
... from FB70
H
underflow and
outputs 8000
H
.
... from E5D4
H
underflow and
outputs 8000
H
.
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