Siemens Simatic S7-300 CPU 31xC Series User Manual

Commissioning
8.2 Commissioning procedure
S7-300, CPU 31xC and CPU 31x: Installation
Operating Instructions, Edition 08/2004, A5E00105492-05
8-3
See also
Procedure: Software commissioning (Page 8-3)
8.2.2 Procedure: Software commissioning
Requirements
Your S7-300
• is installed and
• wired.
Software requirements to be satisfied in order to utilize the full functionality of your CPU:
For the CPUs you require the following versions of STEP 7
31xC, 312, 314, 315-2 DP V5.1 + Servicepack 4 or higher
317-2 DP V5.2 + Servicepack 1 or higher
317-2 PN/DP with firmware version 2.2.0: V5.3 or higher
315-2 PN/DP and 317-2 PN/DP with FW version 2.3.0 V5.3 + Servicepack 1 or higher
With networked S7-300, the following applies to the interfaces:
• MPI/ PROFIBUS
– the MPI/PROFIBUS addresses are configured
– the terminating resistors on the segments are enabled
• PROFINET
– the integrated PROFINET interface of CPU 317-2 PN/DP is configured with STEP 7
(IP address and transfer medium / duplex operation is set in HW Config) and
– the CPU is connected to the subnet.
Note
Please observe the procedure for commissioning the hardware.

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)