Siemens S7-300 appendix Blocks in Profinet IO Chapter Content, Compatibility of the New Blocks

Communication

3.2 Communication services

Requirements

•CPUs as of Firmware 2.3.0 (for example CPU 315-2 PN/DP)

•STEP 7, as of Version 5.3 + Service Pack 1

Reference

You will find information on the topic of PROFINET in the following sources:

•in the System Description PROFINET

•in the From PROFIBUS DP to PROFINET IO programming manual. This manual also lists the new PROFINET blocks and system status lists.

See also

PROFINET (PN) (Page 3-3)

3.2.10.2Blocks in PROFINET IO

Chapter Content

This chapter explains the following:

•Which blocks are intended for PROFINET

•Which blocks are intended for PROFIBUS DP

•Which blocks are intended for both PROFINET IO and PROFIBUS DP

Compatibility of the New Blocks

For PROFINET IO, it was necessary to create some new blocks, among other things, because larger configurations are now possible with PROFINET. You can also use these new blocks with PROFIBUS.

3-20	CPU 31xC and CPU 31x, Technical data
	Manual, Edition 08/2004, A5E00105475-05