Siemens SIMATIC NET S7-300 Operating Instructions

cULus for Hazardous Locations
ANSI/ISA 12.12.01-2007, CSA C22.2 No. 213-M1987
CL. 1, Div. 2 GP. A.B.C.D T..
CL. 1, Zone 2, GP, IIC, T..
(T.. = For detailed information on the temperature class, refer to the type plate)
Note for Australia - RCM
The product meets the requirements of the RCM standard.
Applied standards:
• AS/NZS CISPR11 (Industrial, scienti󹪝c and medical equipment - Radio-frequency disturbance
characteristics - Limits and methods of measurement).
• EN 61000-6-4 Electromagnetic compatibility (EMC) - Part 6-4: Generic standards - Emission
standard for industrial environments
You will 󹪝nd the current versions of the standards in the currently valid RCM SDoCs (Self-
Declaration of Conformity).
Approvals and markings
6.1 Notes on the CE Mark
Compact Switch Module CSM 377
40 Operating Instructions, 06/2022, A2B00073499-02

Siemens SIMATIC NET S7-300 Specifications

General

Product Type Designation	SIMATIC NET S7-300
Mounting	DIN rail mounting
Protection Class	IP20
CPU Models	Various models available (e.g., CPU 312, CPU 314)
Communication Interfaces	MPI, PROFIBUS DP
Power Supply	24 V DC power supply required. Different power supply modules available.
I/O Modules	Digital input modules, digital output modules, analog input modules, analog output modules
Programming	STEP 7 software
Supply Voltage	24V DC or 120/230V AC (depending on model)
Digital Inputs	Available via digital input modules
Digital Outputs	Available via digital output modules
Analog Inputs	Available via analog input modules
Analog Outputs	Available via analog output modules
Communication Functions	MPI, PROFIBUS DP, Ethernet (depending on model)
Protocols	MPI, PROFIBUS DP, TCP/IP (depending on model)
Operating Temperature	0°C to 60°C
Storage Temperature	70 °C
Memory	Depends on CPU model (e.g., 32 KB to 1.5 MB)