Representation of analog values for thermocouple types R, S
Table 5-28
Representation of analog values for thermocouple types R, S
Type R, S in
°C
Unit dec‐
imal
Unit hex‐
adeci‐
mal
Type R, S in
°F
Unit dec‐
imal
Unit hex‐
adeci‐
mal
Types R, S
in K
Unit dec‐
imal
Unit hex‐
adeci‐
mal
Range
> 2019,0
32767
7FFF
H
> 3276,6
32767
7FFF
H
> 2292,2
32767
7FFF
H
Overflow
2019,0
:
1770,0
20190
:
17770
4EDE
H
:
4524
H
3276,6
:
3218,0
32766
:
32180
7FFE
H
:
7DB4
H
2292,2
:
2043,2
22922
:
20432
598A
H
:
4FD0
H
Overshoot
range
1769,0
:
-50,0
17690
:
-500
451A
H
:
FE0C
H
3216,2
:
-58,0
32162
:
-580
7DA2
H
:
FDBC
H
2042,2
:
223,2
20422
:
2232
4FC6
H
:
08B8
H
Nominal range
-51,0
:
-170,0
-510
:
-1700
FE02
H
:
F95C
H
-59,8
:
-274,0
-598
:
-2740
FDAA
H
:
F54C
H
222,2
:
103,2
2222
:
1032
08AE
H
:
0408
H
Undershoot
range
< -170,0
-32768
8000
H
< -274,0
-32768
8000
H
< 103-2
< 1032
8000
H
Underflow
Representation of analog values for thermocouples type T
Table 5-29
Representation of analog values for thermocouples type T
Type T in °C Unit dec‐
imal
Unit hex‐
adeci‐
mal
Type T in °F Unit dec‐
imal
Unit hex‐
adeci‐
mal
Type T in K Unit dec‐
imal
Unit hex‐
adeci‐
mal
Range
> 540,0
32767
7FFF
H
> 1004,0
32767
7FFF
H
> 813,2
32767
7FFF
H
Overflow
540,0
:
401,0
5400
:
4010
1518
H
:
0FAA
H
1004,0
10040
2738
H
813,2
8132
1FC4
H
Overshoot
range
400,0
:
-270,0
4000
:
-2700
0FA0
H
:
F574
H
752,0
:
-454,0
7520
:
-4540
1D60
H
:
EE44
H
673,2
:
3,2
6732
:
32
1AAC
H
:
0020
H
Nominal range
< -270,0
< -2700
< F574
H
< -454,0
< -4540
<EE44
H
< 3,2
< 32
< 0020
H
Underflow
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 ...
... F0C4
H
, and to output 8000
H
.
... E5D4
H
, and to output 8000
H
.
... FB70
H
, and to output 8000
H
.
Analog modules
5.4 Representation of analog values
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
183