Representation Of Analog Values For Thermocouples - Siemens SIMATIC S7-400 Reference Manual

Analog modules
5.4 Representation of analog values
5.4.8

Representation of analog values for thermocouples

Representation of analog values for thermocouples type B
Table 5-22 Representation of analog values for thermocouples type B
Type B in °C Unit dec‐
imal
> 2070,0 32767
2070,0 20700
: :
1821,0 18210
1820,0 18200
: :
0,0 0
: :
-120,0 -1200
< -120,0 -32768
Representation of analog values for thermocouples type E
Table 5-23 Representation of analog values for thermocouples type E
Type E in °C Unit dec‐
imal
> 1200,0 32767
1200,0 12000
: :
1000,1 10001
1000,0 10000
: :
-270,0 -2700
< -270,0 < -2700
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 , and to output 8000
H
180
Unit dec‐ Type B in °F Unit dec‐
imal
7FFF >3276,6 3276,6
H
50DC 3276,6 32766
H
: : :
4722 2786,6 27866
H
4718 2786,5 27865
H
: : :
0000 -32,0 -320
H
: : :
FB50 -184,0 -1840
H
8000 < -184,0 -32768
H
Unit hex‐ Type E in °F Unit dec‐
adecimal
7FFF > 2192,0
H
2EE0 2192,0
H
: :
2711 1833,8
H
2710 1832,0
H
: :
F574 -454,0
H
< F574 < -454,0
H
. ... FB70 , and to output 8000
H H
Unit hex‐ Type B in K Unit dec‐
imal adeci‐
mal
7FFF > 2343,2
H
7FFE 2343,2
H
: :
6CDA 2094,2
H
6CD9 2093,2
H
: :
FEC0 273,2
H
: :
F8D0 153,2
H
8000 < 153,2
H
Unit hex‐ Type E in K Unit dec‐
imal adeci‐
mal
32767 7FFF > 1473,2
H
21920 55A0 1473,2
H
: : :
18338 47A2 1274,2
H
18320 4790 1273,2
H
: : :
-4540 EE44 0
H
< -4540 <EE44 < 0
H
. ... E5D4
H
Reference Manual, Ausgabe 11/2016, A5E00850736-08
Unit hex‐
imal adeci‐
mal
32767 7FFF
H
23432 5B88
H
: :
20942 51CE
H
20932 51C4
H
: :
2732 0AAC
H
: :
1532 05FC
H
32768 8000
H
Unit hex‐
imal adeci‐
mal
32767 7FFF
H
14732 398C
H
: :
12742 31C6
H
12732 31BC
H
: :
0 0000
H
<0 <0000
H
, and to output 8000 .
H H
S7-400 Automation System Module Data
Range
Overflow
Overshoot
range
Nominal range
Undershoot
range
Underflow
Range
Overflow
Overshoot
range
Nominal range
Underflow