Siemens SIMATIC S7-300 Module data User Manual

Representation of the analog values of analog modules
5.1 Representation of the analog values of analog input channels
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
5-17
Representation of the analog values of thermocouples type U
Table 5-31 Representation of the analog values of thermocouples type U
Units Units Units
Type U in
°C
dec hexa-
decimal
Type U in
°F
dec hexa-
decimal
Type U in K
dec hexa-
decimal
Range
> 850.0 32767 7FFF
H
> 1562.0 32767 7FFF
H
> 1123.2 32767 7FFF
H
Overflow
850.0
:
601.0
8500
:
6010
2134
H
:
177A
H
1562.0
:
1113.8
15620
:
11138
2738.0
H
:
2B82
H
1123.2
:
874.2
11232
:
8742
2BE0
H
:
2226
H
Overshoot
range
600.0
:
-200.0
6000
:
-2000
1770
H
:
F830
H
1112.0
:
-328.0
11120
:
-3280
2B70
H
:
F330
H
873.2
:
73.2
8732
:
732
221C
H
:
02DC
H
Nominal
range
< -200.0 < -2000 < F830
H
< -328.0 < -3280 < F330
H
< 73.2 < 732 <02DC
H
Underflow
Faulty wiring (polarity reversal, or open inputs, for example), or transducer error in the negative range
(wrong type of thermocouple, for example) will cause the analog input module to signal underflow, starting
at ...
... F380
H
, and to output 8000
H
. ... EAC0
H
, and to output 8000
H
. ... FE2C
H
, and to output 8000
H
.
Presentation of analogue values for type TXK/XKL GOST thermocouple
Table 5-32 Presentation of analogue values for type TXK/XKL GOST thermocouple
Units Units
Type
TXK/XKL
in °C
dec hexa-
decimal
Type
TXK/XKL
in °F
dec hexa-
decimal
Range
> 1050.0 32767 7FFF
H
> 1922.0 32767 7FFF
H
Overflow
1050.0
:
800.1
8500
:
8001
2904
H
:
1F41
H
1922.0
:
1472.1
19220
:
14721
4B14
H
:
3981
H
Overshoot range
800.0
:
0.0
:
-200.0
8000
:
0
:
-2000
1F40
H
:
0000
H
:
F830
H
1472.0
:
32.0
:
-328.0
14720
:
320
:
-3280
3980
H
:
0140
H
:
F330
H
Nominal range
< -200.0 <-32768 <
F8000
H
< -328.0 <-32768 8000
H
Underflow

Siemens SIMATIC S7-300 Module data Specifications

General

Series	S7-300
Manufacturer	Siemens
Protection Class	IP20
System	SIMATIC S7-300
Digital Inputs	Varies by module
Digital Outputs	Varies by module
Analog Inputs	Varies by module
Analog Outputs	Varies by module
Central Processing Unit	Varies by CPU model
Supply Voltage	24V DC or 120/230V AC
CPU Type	Varies (e.g., CPU 312, CPU 315, etc.)
Memory	Varies by CPU model
Communication Interfaces	MPI, PROFIBUS
Programming Languages	LAD, FBD, STL, SCL, GRAPH
Operating Temperature	0°C to 60°C
Storage Temperature	-40°C to 70°C
Relative Humidity	10% to 95% (non-condensing)