Siemens S7-400 Manual Do Utilizador
Analog Modules
5-22
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Analog Value Representation for Thermocouple Type U
Table 5-30 Analog Value Representation for Thermocouple Type U
Type U
Units
Type U
Units
Type U
Units
Type U
in
5
C
Deci-
mal
Hexa-
deci-
mal
Type U
in
5
F
Deci-
mal
Hexa-
deci-
mal
Type U
in K
Deci-
mal
Hexa-
decimal
Range
> 850.0
32767
7FFF
H
> 1562.0
32767
7FFF
H
> 1123.2
32767
7FFF
H
Overflow
850.0
:
601.0
8500
:
6010
2134
H
:
177A
H
1562.0
:
1113.8
15620
:
11138
2738.0
H
:
2B82
H
1123.2
:
874.2
11232
:
8742
2BE0
H
:
2226
H
Overrange
600.0
:
–200.0
6000 W
:
–2000
1770
H
:
F830
H
1112.0
:
–328.0
11120
:
–3280
2B70
H
:
F330
H
873.2
:
73.2
8732
:
732
221C
H
:
02DC
H
Rated range
< –200.0
<
–2000
–2000
H
< –328.0
<
–3280
–3280
H
< 73.2
< 732
<02DC
H
Underflow
In the case of incorrect wiring (for example, polarity reversal or open inputs) or of a sensor error in the
negative range (for example, incorrect thermocouple type), the analog input module reports an
underflow...
negative range (for example, incorrect thermocouple type), the analog input module reports an
underflow...
...if F380
H
is violated and
outputs 8000
H
...if EAC0
H
is violated and
outputs 8000
H
...if FE2C
H
is violated and
outputs 8000
H