Siemens Simatic S7-300 CPU 31xC Series User Manual

Configuring
4.11 Planning subnets
S7-300, CPU 31xC and CPU 31x: Installation
4-56 Operating Instructions, Edition 08/2004, A5E00105492-05
Reference
For detailed information on network configuration, refer to the Internet: SIMATIC NET:
Twisted Pair and Fiber-Optic Networks (6GK1970-1BA10-0AA0) at
http://www.siemens.com/automation/service&support.
See also
Connecting the PG to a node (Page 8-14)
Connecting the PG to several nodes (Page 8-15)
4.11.3.6 Connectors and other components for Ethernet
The selection of the bus cable, bus connector and other components for Ethernet (for
example, switches, etc.) depends on the intended application.
We offer a range of products covering a variety of applications for the installation of an
Ethernet connection.
Reference
• SIMATIC NET: Twisted-Pair and Fiber-Optic Networks (6GK1970-1BA10-0AA0)

Siemens Simatic S7-300 CPU 31xC Series Specifications

General

Series	S7-300 CPU 31xC
Power Supply	24 V DC
Communication Interfaces	MPI, PROFIBUS DP
Programming Languages	LAD, STL, FBD, SCL
Operating Temperature	0°C to +60°C
Memory	48 KB - 512 KB
Dimensions	40 x 125 x 130 mm (varies by model)