Siemens Simatic S7-300 CPU 31xC and CPU 31x S7-300 User Manual
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Table of contents
Document Outline
- Title
- Preface
- Table of contents
- 1 Guide to the S7-300 documentation
- 2 Operating and display elements
- 3 Communication
- 3.1 Interfaces
- 3.2 Communication services
- 3.2.1 Overview of communication services
- 3.2.2 PG communication
- 3.2.3 OP communication
- 3.2.4 Data exchanged by means of S7 basic communication
- 3.2.5 S7 communication
- 3.2.6 Global data communication (MPI only)
- 3.2.7 Routing
- 3.2.8 PtP communication
- 3.2.9 Data consistency
- 3.2.10 Communication via PROFINET (only CPU 31x-2 PN/DP)
- 3.3 S7 connections
- 3.4 DPV1
- 4 Memory concept
- 4.1 Memory areas and retentivity
- 4.2 Memory functions
- 5 Cycle and reaction times
- 6 Technical data of CPU 31xC
- 7 Technical data of CPU 31x
- Appendix
- A.1 Information about upgrading to a CPU 31xC or CPU 31x
- A.1.1 Area of applicability
- A.1.2 Changed behavior of certain SFCs
- A.1.3 Interrupt events from distributed I/Os while the CPU status is in STOP
- A.1.4 Runtimes that change while the program is running
- A.1.5 Converting the diagnostic addresses of DP slaves
- A.1.6 Reusing existing hardware configurations
- A.1.7 Replacing a CPU 31xC/31x
- A.1.8 Using consistent data areas in the process image of a DP slave system
- A.1.9 Load memory concept for the CPU 31xC/31x
- A.1.10 PG/OP functions
- A.1.11 Routing for the CPU 31xC/31x as an intelligent slave
- A.1.12 Changed retentive behavior for CPUs with firmware >= V2.1.0
- A.1.13 FMs/CPs with separate MPI address in the central rack of a CPU 315-2 PN/DP / CPU 317
- A.1.14 Using loadable blocks for S7 communication for the integrated PROFINET interface
- A.1 Information about upgrading to a CPU 31xC or CPU 31x
- Glossary
- Index