Siemens SIMATIC User Manual

Principles of analog modules
5.1 Representation of the values for analog input channels
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
275
Representation of the analog values of thermocouples type J
Table 5- 27 Representation of the analog values of thermocouples type J
Type J
in °C
Units
Type J in °F
Units
Type J in K
Units
Range
dec
hex
dec
hex
dec
hex
> 1450.0
32767
7FFF
H
> 2642.0
32767
7FFF
H
> 1723.2
32767
7FFF
H
Overflow
1450.0
:
1200.1
14500
:
12001
38A4
H
:
2EE1
H
2642.0
:
2192.2
26420
:
21922
6734
H
:
55A2
H
1723.2
:
1473.3
17232
:
14733
4350
H
:
398D
H
Overshoot
range
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
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 ...
... from F31C
H
underflow and
outputs 8000
H
.
... from EA0C
H
underflow and
outputs 8000
H
.
... from FDC8
H
underflow and
outputs 8000
H
.
Representation of the analog values of thermocouples type K
Table 5- 28 Representation of the analog values of thermocouples type K
Type K
in °C
Units
Type K in
°F
Units
Type K in K
Units
Range
dec
hex
dec
hex
dec
hex
> 1622.0
32767
7FFF
H
> 2951.6
32767
7FFF
H
> 1895.2
32767
7FFF
H
Overflow
1622.0
:
1372.1
16220
:
13721
3F5C
H
:
3599
H
2951.6
:
2501.8
29516
:
25018
734C
H
:
61BA
H
1895.2
:
1645.3
18952
:
16453
4A08
H
:
4045
H
Overshoot
range
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
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 ...
... from F0C4
H
underflow and
outputs 8000
H
.
... from E5D4
H
underflow and
outputs 8000
H
.
... from FB70
H
underflow and
outputs 8000
H
.

Siemens SIMATIC Specifications

General

Product type designation	SIMATIC
CPU	Varies by model
Memory	Varies by model
Input/Output	Varies by model
Communication	Varies by model
Programming Language	STEP 7
Operating Temperature	0°C to 60°C (varies by model)
Protection Class	IP20
Category	Programmable Logic Controller (PLC)