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SIMATIC NET NCM S7 for Industrial Ethernet
Release 6/2003
C79000–G8976–C129–07
SEND/RECEIVE Interface in the User
Program
This chapter explains the following:
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How to send and receive data.
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Which data areas can be used on the S7 CPU.
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How to program the SEND/RECEIVE interface in the user program.
You will find further information in the following sources:
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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.
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The FCs for programming  connections are described in Section 6.3.
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Configuring the Ethernet CP with NCM S7 is described in Chapter 4.
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Programming communication connections over the interface in the user
program is described in Chapter 5.
Sample programs:
Sample configurations and programs are available for the SEND/RECEIVE
interface described here:
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In the sample project PROJECT_ETHERNET that you can start immediately
after installing NCM S7; for a description, refer to the Primer /2/.
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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:
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