Siemens Simatic S7-300 CPU 31xC Series User Manual

Configuring
4.7 Selection and installation of cabinets
S7-300, CPU 31xC and CPU 31x: Installation
4-12 Operating Instructions, Edition 08/2004, A5E00105492-05
Warning
Modules may get damaged if exposed to excess ambient temperatures.
Reference for ambient temperatures
For information on permitted ambient temperatures, refer to the S7-300 Automation System,
Module data
Reference Manual.

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)