Siemens SIMATIC S7-300 Module data Reference Manual

Analog Modules
4-152
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Table 4-78 Minimum Possible Upper and Lower Limit Values of SM 331; AI 8 x TC in °F
Thermo-
couple
Minimum Possible
Upper Limit Value
Minimum Possible
Lower Limit Value
in °F Dec. Hex. in °F Dec. Hex.
Type B 2786.6 27866 6CDA
H
0 0 0
Type C --- --- --- --- --- ---
Type E --- --- -- --- --- --
Type J 2192.2 21922 55A2
H
<-346.0 <-3460
Type K 2501.8 25018 61BA
H
<454.0 <-4540 <EE44H
Type L 1652.2 16522 408A
H
<-328.0 <-3280 F330H
Type N --- --- --- --- --- ---
Type R, S 3216.4 3216.4 7DA4
H
-58.2 -582 FDBA
H
Type T 752.2 7522 1062
H
<454.0 <-4540 <EE44H
Type U 1112.2 11122 2B72
H
<-328.0 <-3280
End-of-scan-cycle interrupt
By enabling the end-of-scan-cycle interrupt, you can synchronize a process with
the conversion cycle of the module. The interrupt occurs when the conversion of all
the enabled channels is complete.
Table 4-79 Content of the 4 bytes with additional information from OB40 during a hardware
interrupt or an end-of-scan-cycle interrupt
Content of the 4 bytes with
additional information
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
Byte
Analog
special
2 bits per channel to identify the range
special
marker
s
Upper limit exceeded in
channel
7 6 5 4 3 2 1 0 0
s
Lower limit exceeded in
channel
7 6 5 4 3 2 1 0 1
End-of-scan-cycle event X 2
Unassigned byte 3

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)