Siemens Simatic S7-400 - Manual (Page 235)

Analog Modules
5-19
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Analog Value Representation for Thermocouple Type J
Table 5-24 Analog Value Representation for Thermocouple Type J
Type J
Units
Type J
Units
Type J
Units
Type J
in 5 C
Deci-
mal
Hexade-
cimal
Type J
in 5 F
Deci-
mal
Hexa-
deci-
mal
Type J
in K
Deci-
mal
Hexa-
deci-
mal
Range
> 1450.0 32767 7FFF
H
> 2642.0 32767 7FFF
H
> 1723.2 32767 7FFF
H
Overflow
1450.0
:
1201.0
14500
:
12010
38A4
H
:
2EEA
H
2642.0
:
2193.8
26420
:
21938
6734
H
:
55B2
H
1723.2
:
1474.2
17232
:
14742
4350
H
:
3996
H
Overrange
1200.0
:
–210.0
12000
:
–2100
2EE0
H
:
F7CC
H
2192.0
:
–346.0
21920
:
–3460
55A0
H
:
F27C
H
1473.2
:
63.2
14732
:
632
398C
H
:
0278
H
Rated range
< –210.0 <
–2100 <F7CC
H
< –346.0 <
–3460 <F27C
H
< 63.2 < 632 <
0278
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 F31C
H
is violated and
outputs 8000
H
...if EA0C
H
is violated and
outputs 8000
H
...if FDC8
H
is violated and
outputs 8000
H
Analog Value Representation for Thermocouple Type K
Table 5-25 Analog Value Representation for Thermocouple Type K
Type K
Units
Type K
Units
Type K
Units
Type K
in 5 C
Deci-
mal
Hexade-
cimal
Type K
in 5 F
Deci-
mal
Hexa-
deci-
mal
Type K
in K
Deci-
mal
Hexa-
deci-
mal
Range
> 1622.0 32767 7FFF
H
> 2951.6 32767 7FFF
H
> 1895.2 32767 7FFF
H
Overflow
1622.0
:
1373.0
16220
:
13730
3F5C
H
:
35A2
H
2951.6
:
2503.4
29516
:
25034
734C
H
:
61CA
H
1895.2
:
1646.2
18952
:
16462
4A08
H
:
404E
H
Overrange
1372.0
:
–270.0
13720
:
–2700
3598
H
:
F574
H
2501.6
:
–454.0
25061
:
–4540
61B8
H
:
EE44
H
1645.2
:
0
16452
:
0
4044
H
:
0000
H
Rated range
< –270.0 <
–2700 < F574
H
< –454.0 <
–4540 <EE44
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 E5D4
H
is violated and
outputs 8000
H
...if FB70
H
is violated and
outputs 8000
H