Siemens SIMATIC S7-300 Module data Reference Manual

Digital Modules
3-65
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Table 3-17 System diagnostics for SM 322 DO 16 x UC 24/48 V
System diagnosis byte 2:
D0..D3 Module Type 1111
D4: Channel information available No
D5: User information available No
D6: Diagnostic alarm from substitute No
D7: Spare
System diagnosis byte 3:
D0: Memory module incorrect/missing No
D1: Communication error No
D2: RUN/STOP mode No
D3: Time monitoring triggered Yes
D4: Internal power failure No
D5: Battery 1 empty No
D6: Complete backup failure No
System diagnosis byte 4:
D7: Spare
D0: Rack failure No
D1: Processor failure Yes
D2: EPROM error Yes
D3: RAM error Yes
D4: DAC error No
D5: Blown fuse No
D6: Hardware interrupt lost No
D7: Spare
Channel-specific diagnosis byte
D0: Parameter setup error No
D1: Grounding error No
D2: Short-circuit to P No
D3: Short-circuit to M No
D4: Wire-break No
D5: Spare
D6: Auxiliary supply missing No
D7: Overtemperature No

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)