Siemens SIMATIC S7-300 Module data Technical Data

Communication
3.2 Communication services
CPU 31xC and CPU 31x, Technical data
Manual, Edition 08/2004, A5E00105475-05
3-15
Reference
• on configuring in STEP 7 is found in the Configuring Hardware and Connections in
STEP 7
manual
• of a basic nature is contained in the
Communication with SIMATIC Manual.
• on the TeleService adapter can be found on the Internet URL:
http://www.ad.siemens.de/support. In the Manual Search section, you can enter the
search term A5E00078070 to download the documentation.
• on SFCs are found in the
Instruction list , for more details refer to the STEP 7 Online Help
or to the System and Standard Functions Reference Manual.
• on communication are found in the
Communication with SIMATIC Manual.
3.2.8 PtP communication
Properties
PtP communication enables you to exchange data via serial port. PtP communication can be
used to interconnect automation devices, computers or communication-capable systems of
external suppliers. The function also allows adaptation to the protocol of the communication
partner.
Reference
Further Information
• on SFCs are found in the
Instruction list .
For detailed information, refer to the
STEP 7 Online Help , or to the System and Standard
Functions
Reference Manual.
• on communication are found in the
Communication with SIMATIC Manual.

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)