Siemens Simatic S7-400 - Manual (Page 234)

Analog Modules
5-18
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Analog Value Representation for Themocouple Type B
Table 5-22 Analog Value Representation for Thermocouple Type B
Type B
Units
Type B
Units
Type B
Units
Type B
in 5 C
Deci-
mal
Hexa-
deci-
mal
Type B
in 5 F
Deci-
mal
Hexa-
deci-
mal
Type B
in K
Deci-
mal
Hexa-
deci-
mal
Range
> 2070.0 32767 7FFF
H
> 3276.6 32767 7FFF
H
> 2343.2 32767 7FFF
H
Overflow
2070.0
:
1821.0
20700
:
18210
50DC
H
:
4722
H
3276.6
:
2786.6
32766
:
27866
7FFE
H
:
6CDA
H
2343.2
:
2094.2
23432
:
20942
5B88
H
:
51CE
H
Overrange
1820.0
:
0,0
18200
:
0
4718
H
:
0000
H
2786.5
:
–32.0
27865
:
–320
6CD9
H
:
FEC0
H
2093.2
:
273.2
20932
:
2732
51C4
H
:
0AAC
H
Rated range
:
–120.0
:
–1200
:
FB50
H
:
–184.0
:
–1840
:
F8D0
H
:
153.2
:
1532
:
05FC
H
Underrange
< –120.0 –32768 8000
H
< –184.0 –32768 8000
H
< 153.2 32768 8000
H
Underflow
Analog Value Representation for Thermocouple Type E
Table 5-23 Analog Value Representation for Thermocouple Type E
Type E
Units
Type E
Units
Type E
Units
Type E
in 5 C
Deci-
mal
Hexade-
cimal
Type E
in 5 F
Deci-
mal
Hexa-
deci-
mal
Type E
in K
Deci-
mal
Hexa-
deci-
mal
Range
> 1200.0 32767 7FFF
H
> 2192,0 32767 7FFF
H
> 1473.2 32767 7FFF
H
Overflow
1200.0
:
1000.1
12000
:
10001
2EE0
H
:
2711
H
2192.0
:
1833.8
21920
:
18338
55A0
H
:
47A2
H
1473.2
:
1274.2
14732
:
12742
398C
H
:
31C6
H
Overrange
1000.0
:
–270.0
10000
:
–2700
2710
H
:
F574
H
1832.0
:
–454.0
18320
:
–4540
4790
H
:
EE44
H
1273.2
:
0
12732
:
0
31BC
H
:
0000
H
Rated range
< –270.0 <
–2700 < F574
H
< –454.0 <
–4540
H
< 0 < 0 <0000
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...
...if F0C4
H
is violated and
outputs 8000
H
...if FB70
H
is violated and
outputs 8000
H
...if E5D4
H
is violated and
outputs 8000
H