Siemens Simatic S7-400 - Manual (Page 236)

Analog Modules
5-20
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Analog Value Representation for Thermocouple Type L
Table 5-26 Analog Value Representation for Thermocouple Type L
Type L
Units
Type L
Units
Type L
Units
Type L
in 5 C
Decimal Hexa-
decimal
Type L
in 5 F
Deci-
mal
Hexa-
deci-
mal
Type L
in K
Deci-
mal
Hexa-
decimal
Range
> 1150.0 32767 7FFF
H
> 2102.0 32767 7FFF
H
> 1423.2 32767 7FFF
H
Overflow
1150.0
:
901.0
11500
:
9010
2CEC
H
:
2332
H
2102.0
:
1653.8
21020
:
16538
521C
H
:
409A
H
1423.2
:
1174.2
14232
:
11742
3798
H
:
2DDE
H
Overrange
900.0
:
–200.0
9000
:
–2000
2328
H
:
F830
H
1652.0
:
–328.0
16520
:
–3280
4088
H
:
F330
H
1173.2
:
73.2
11732
:
732
2DD4
H
:
02DC
H
Rated range
< –200.0 < –2000 < F830
H
< –328.0 <
–3280
H
< 73.2 < 732 <02DC
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 F380
H
is violated and outputs
8000
H
...if EAC0
H
is violated and
outputs 8000
H
...if FE2C
H
is violated and
outputs 8000
H
Analog Value Representation for Thermocouple Type N
Table 5-27 Analog Value Representation for Thermocouple Type N
Type N
Units
Type N
Units
Type N
Units
Type N
in 5 C
Deci-
mal
Hexade-
cimal
Type N
in 5 F
Deci-
mal
Hexa-
deci-
mal
Type N
in K
Deci-
mal
Hexa-
deci-
mal
Range
> 1550.0 32767 7FFF
H
> 2822.0 32767 7FFF
H
> 1823.2 32767 7FFF
H
Overflow
1550.0
:
1300.1
15500
:
13001
3C8C
H
:
32C9
H
2822.0
:
2373.8
28220
:
23738
6E3C
H
:
5CBA
H
1823.2
:
1574.2
18232
:
15742
4738
H
:
3D7E
H
Overrange
1300.0
:
–270.0
13000
:
–2700
32C8
H
:
F574
H
2372.0
:
–454.0
23720
:
–4540
5CA8
H
:
EE44
H
1573.2
:
0
15732
:
0
3D74
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 E5D4
H
is violated and
outputs 8000
H
...if FB70
H
is violated and
outputs 8000
H