Siemens Simatic S7 Series System Manual

Getting started
2.2 Creating the sample program
S7-200 SMART
System Manual, 09/2015, A5E03822230-AC
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2.2.4
Setting the CPU type and version for your project
Configure your project for the CPU and version matching your physical CPU. If the project is
not configured for the correct CPU and CPU version, then the download could fail or the
program may not run.
To select your CPU, click the "CPU" field under the "Module" column to display the
dropdown list button, and select your CPU from the dropdown list. Using the same
procedure, select your CPU version in the "Version" column.

Siemens Simatic S7 Series Specifications

General

CPU	Varies by model (e.g., S7-300, S7-400, S7-1200, S7-1500)
Communication Interfaces	PROFIBUS, PROFINET, Ethernet, MPI
Programming	TIA Portal, STEP 7
Programming Languages	LAD, FBD, STL, SCL, GRAPH
I/O Modules	Digital, Analog, Specialty modules available
Operating Temperature	0°C to 60°C (standard models)
Mounting	DIN rail mounting
Operating Voltage	24V DC or 120/230V AC (varies by model)
Protection Class	IP20 (standard models)
Memory	Varies depending on the S7 model. Includes work memory (RAM) for program execution, load memory (EEPROM or Flash) for program storage, and system memory for operating system functions. Memory sizes range from kilobytes to megabytes.