Preface 
CPU 31xC and CPU 31x, Technical data 
Manual, Edition 08/2004, A5E00105475-05 
v 
Documentation classification 
This manual is part of the S7-300 documentation package. 
 
Name of the manual  Description 
YOU ARE READING the Manual 
•  CPU 31xC and CPU 31x, Technical data 
Control and display elements, communication, 
memory concept, cycle and response times, 
technical data 
Reference Manual 
•  CPU data: CPU 312 IFM – 318-2 DP 
Control and display elements, communication, 
memory concept, cycle and response times, 
technical data 
Operating Instructions 
•  S7-300, CPU 31xC and CPU 31x: Installation 
Configuration, installation, wiring, addressing, 
commissioning, maintenance and the test 
functions, diagnostics and troubleshooting. 
Installation Manual 
•  S7-300 Automation System: Installation: CPU 
312 IFM – 318-2 DP 
Configuration, installation, wiring, addressing, 
commissioning, maintenance and the test 
functions, diagnostics and troubleshooting. 
System Manual 
PROFINET System Description 
Basic information on PROFINET: 
Network components, data exchange and 
communication, PROFINET I/O, Component 
based Automation, application example of 
PROFINET I/O and Component based 
Automation 
Programming Manual  
From PROFIBUS DP to PROFINET IO 
Guideline for the migration from PROFIBUS DP 
to PROFINET I/O. 
Manual 
•  CPU 31xC: Technological functions 
•  Examples 
Description of the individual technological 
functions Positioning, Counting. PtP 
communication, rules 
The CD contains examples of the technological 
functions 
Reference Manual 
•  S7-300 Automation System: Module data 
Descriptions of the functions and technical data 
of signal modules, power supply modules and 
interface modules. 
Instruction List 
•  CPU 312 IFM – 318-2 DP 
•  CPU 31xC and CPU 31x 
List of CPU instruction resources and the 
relevant execution times. List of executable 
blocks. 
Getting Started 
The following Getting Started editions are available 
as a collective volume: 
•  CPU 31x: Commissioning 
•  CPU 31xC: Commissioning 
•  CPU 31xC: Positioning with analog output 
•  CPU 31xC: Positioning with digital output 
•  CPU 31xC: Counting 
•  CPU 31xC: Rules 
•  CPU 31xC: PtP communication 
•  CPU 31x-2 PN/DP: Commissioning a 
PROFINET IO subnet 
The example used in this Getting Started 
guides you through the various steps in 
commissioning required to obtain a fully 
functional application.