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Siemens Industry Online Support
Siemens AG
Entry type: Application example Entry ID: 99742428, Entry date: 01/07/2015
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Sample program (standard blocks CP 440) zXX21_02_PtP_Com_CP440.zip for STEP 7 (TIA Portal)

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Description
This sample program, contained in the project zXX21_02_PtP_Com_CP440, includes the standard functions for operating the communications processor CP 440 in the TIA Portal.

Software requirements
The .zip file includes two projects:
STEP 7 Professional V11.0 + SP 2
STEP 7 Professional V13

Structure of the sample program
The sample program

  • Shows the essential functions with examples
  • Enables checking of the functions of the connected hardware (this makes the sample program clear and simple)
  • You can easily extend it for your own purposes.

The sample project consists of five separate stations

  • CP 440 1CYC: Connection with SEND_440 and RECV_440 for ASCII/3964(R), job processing in a cycle
  • CP 440 ASCII BCC: Connection for ASCII with block check structure
  • CP 440 MASTER: Master station for connection with ASCII protocol
  • CP 440 SEND RECV: Connection with SEND_440 and RECV_440 for ASCII/3964(R)
  • CP 440 SLAVE: Slave station for connection with ASCII protocol

The CP 440 is parameterized by the CPU at startup. (System service)

Installation of the sample program
After downloading the project you must unpack the ZIP archive; a local path in the Engineering Station must be used as target path for the project. After unpacking, start the TIA Portal and open the project in the Portal View. The examples described are now available in the Project View.

zXX21_02_PtP_Com_CP440.zip

Last change
Update to STEP 7 V13

Security information
In order to protect technical infrastructures, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art IT security concept. Siemens’ products and solutions constitute one element of such a concept. For more information about cyber security, please visit
https://www.siemens.com/cybersecurity#Ouraspiration.
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