Siemens SIMATIC S7-300 Module data Reference Manual

Diagnostics Data of Signal Modules
B-3
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Bytes 2 and 3
Byte 2
76 0
Memory module or measuring range module
(for analog modules) incorrect or missing
Communication fault
Operating status 0: RUN
1: STOP
Scan time-out
Module-internal supply voltage failure
Battery empty
Complete backup supply failure
54321
0
Byte 3
76 0
Rack failure
Processor failure
EPROM error
RAM error
ADC/DAC error
Fuse blown
Hardware interrupt lost
54321
0
Figure B-2 Bytes 2 and 3 of the Diagnostics Data

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)