Analog Modules

5-21

S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Analog Value Representation for Thermocouple Types R, S

Table 5-28 Analog Value Representation for Thermocouple Types R, S

Types R S
Units
Types R
Units
Types R
Units
Types R, S
in 5CDeci-
mal Hexa-
deci-
mal
Types R,
S
in 5F
Deci-
mal Hexa-
deci-
mal
Types R,
S
in K
Deci-
mal Hexa-
deci-
mal
Range
> 2019.0 32767 7FFFH> 3276.6 32767 7FFFH> 2292.2 32767 7FFFHOverflow
2019.0
:
1770.0
20190
:
17770
4EDEH
:
4524H
3276.6
:
3218.0
32766
:
32180
7FFEH
:
7DB4H
2292.2
:
2043.2
22922
:
20432
598AH
:
4FD0H
Overrange
1769.0
:
–50.0
17690
:
–500
451AH
:
FE0CH
3216.2
:
–58.0
32162
:
–580
7DA2H
:
FDBCH
2042.2
:
223.2
20422
:
2232
4FC6H
:
08B8H
Rated range
–51.0
:
–170.0
–510
:
–1700
FE02H
:
F95CH
–59.8
:
–274.0
–598
:
–2740
FDAAH
:
F54CH
222.2
:
103.2
2222
:
1032
08AEH
:
0408H
Underrange
< –170.0 –32768 8000H< –274.0 –32768 8000H< 103-2 < 1032 8000HUnderflow
Analog Value Representation for Thermocouple Type T

Table 5-29 Analog Value Representation for Thermocouple Type T

Type T
Units
Type T
Units
Type T
Units
Type T
in 5CDeci-
mal Hexa-
deci-
mal
Type T
in 5FDeci-
mal Hexa-
deci-
mal
Type T
in K Deci-
mal Hexa-
deci-
mal
Range
> 540.0 32767 7FFFH> 1004.0 32767 7FFFH> 813.2 32767 7FFFHOverflow
540.0
:
401.0
5400
:
4010
1518H
:
0FAAH
1004.0 10040 2738H813.2 8132 1FC4H
Overrange
400.0
:
–270.0
4000
:
–2700
0FA0H
:
F574H
752.0
:
–454.0
7520
:
–4540
1D60H
:
EE44H
673.2
:
3.2
6732
:
32
1AACH
:
0020H
Rated range
< –270.0 <
–2700 H< –454.0 <
–4540 <EE44
H
< 3.2 < 32 <
0020HUnderflow
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 F0C4H is violated and
outputs 8000H
...if E5D4H is violated and
outputs 8000H
...if FB70H is violated and
outputs 8000H