Siemens CP 343-1 User Manual download pdf (Page 20)

6 Configuring and Programming the CP as a PROFINET IO Device

B3L−20

CP 343-1 Lean for Industrial Ethernet / Manual Part B3L

Release 03/2007

C79000-G8976-C198-04

6 Configuring and Programming the CP as a

PROFINET IO Device

“Intelligent” PROFINET IO Device

A CP 343−1 Lean can be configured so that the SIMATIC 300 station can be

addressed as a PROFINET IO device. Due to the programmability of SIMATIC 300

stations, they are also known as “intelligent” PROFINET IO devices because:

Process data can be processed before it is forwarded to the PROFINET IO

controller or after it has been received from it and output to the process I/O.

In the following sections, the name “PROFINET IO device” also refers to the CP

located in the S7 station and configured as a PROFINET IO device.

6.1 Overview of the Preparatory Steps

The following steps are necessary to operate the SIMATIC 300 station with the

CP as a PROFINET IO device:

Write the user program for the PROFINET IO

device SIMATIC S7 and download it to the

SIMATIC S7 CPU. See Section 6.4

Configure the CP as PROFINET IO device for

data exchange over PROFINET IO. See Section

6.3

Communication diagnostics (for example

if problems occur during communication)

Commission and test the PROFINET

IO controller and PROFINET IO

device

Configuration Programming

Commissioning

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Siemens CP 343-1 User Manual Page 20