Siemens SIMATIC S7-300 Module data Reference Manual

B-2
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
B.2 Structure and Content of Diagnostic Data Bytes 0 to 7
The structure and contents of the different bytes of the diagnostic data are
described below. The following general rule applies: When an error occurs, the bit
concerned is set to “1”.
Bytes 0 and 1
Byte 0
76 0
Module problem
Internal malfunction
External malfunction
Channel error present
External auxiliary supply missing
Front connector missing
Module not parameterized.
Incorrect parameter in the module
54321
Byte 1
76 0
Channel information available
User information available
54321
Module type (see Table B-1)
00
Figure B-1 Bytes 0 and 1 of the Diagnostic Data
Module types
The following table contains the IDs of the module classes (bits 0 to 3 in byte 1).
Table B-1 Codes of the Module Types
Code Module Type
0101 Analog module
0110 CPU
1000 Function module
1100 CP
1111 Digital module

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)