A-90
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
4 SEND/RECEIVE Interface in the User Program
This chapter explains the following:
How to send and receive data.
Which data areas can be used on the S7 CPU.
How to program the SEND/RECEIVE interface in the user program.
You will find further information in the following sources:
For programming and configuring nodes for connections (for example a
SIMATIC S5 PLC with the CP 1430 TCP, PC with CP 1613), please refer to the
appropriate manuals.
The FCs for programming connections are described in Section 7.3.
Configuring the Ethernet CP with NCM S7 is described in Chapter 5.
Programming communication connections over the interface in the user
program is described in Chapter 6.
Sample programs:
Sample configurations and programs are available for the SEND/RECEIVE
interface described here:
In the sample project PROJECT_ETHERNET that you can start immediately
after installing NCM S7; for a description, refer to the Primer.
On the Internet as downloadable sample projects; refer to the information in
Appendix C “Support and Training”.
The Quick Start CD that can be ordered separately is a
treasure-trove of sample programs and configurations.
You can order this directly over the Internet at:
http://www4.ad.siemens.de/WW/news/en/21827955
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