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
5-15
Representation of the analog values of thermocouples type L
Table 5-27 Representation of the analog values of thermocouples type L
Units Units Units
Type L in
°C
dec hexa-
decimal
Type L in °F
dec hexa-
decimal
Type L in K
dec 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
Overshoot
range
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
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
.
Representation of the analog values of thermocouples type N
Table 5-28 Representation of the analog values of thermocouples type N
Units Units Units
Type N in
°C
dec hexa-
decimal
Type N in
°F
dec hexa-
decimal
Type N in K
dec hexa-
decimal
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
Overshoot
range
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
Nominal
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 transducer error in the negative range
(wrong type of thermocouple, for example) will cause the analog input module to signal underflow, starting
at ...
... F0C4
H
, and to output 8000
H
. ... E5D4
H
, and to output 8000
H
. ... FB70
H
, and to output 8000
H
.

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)