Programming - Siemens SIMATIC S7-400 Operating Instructions Manual

Application and functions
1.7 Requirements for use
● Update 2 for STEP 7 Professional V14
Link: (https://support.industry.siemens.com/cs/ww/en/ps/14673/dl)
● SCT V4.2
Link: (https://support.industry.siemens.com/cs/ww/en/view/109738442)
You can find the the current version and additional information on the Siemens Industry
Online Support website at the following address:
Link: (https://support.industry.siemens.com/cs/ww/en/ps/15326)
Installation of the HSP In STEP 7 V5
Install the HSP in STEP 7 / HW Config with the "Options" > "Install Hardware Updates" menu
command.
You will find further information in the STEP 7 online help (under "HSP" or "Hardware
update"). After installing the HSP, close STEP 7. After restarting STEP 7, the CP is in the
catalog of HW Config.
1.7.3

Programming

Program blocks
For the OPC UA client function there are program blocks available as the interface in your
STEP 7 user program. For this you require:
● In STEP 7 V5
Update the block library "SIMATIC_NET_CP"
Link: (https://support.industry.siemens.com/cs/ww/en/view/109738487)
Note
Using current block versions
We recommend that you always use the latest block versions for all module types. You
will find information on the current block versions and the current blocks for downloading
on the Internet at the following address:
Link: (https://support.industry.siemens.com/cs/ww/en/ps/21862/dl)
● In STEP 7 Professional
Program blocks (instructions) in the folder "Communication > OPC UA"
To display the block directories open the program editor of STEP 7 for example by
double-clicking on OB1 of the S7-400 CPU.
For programming, see section Programming the OPC UA client blocks (Page 79).
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Operating Instructions, 01/2017, C79000-G8976-C427-02
CP 443-1 OPC UA