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S7-USB user manual
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2019/10/05 05:07
6.2.4.2 TCP/IP Configuration
10. A dialog appears where you can configure the connection parameters. Set up the IP - Address of the
module and configure the rack number as well as the slot number. Confirm this configuration by clicking
“OK”. Example configuration:
IP - address 192.168.1.55
Rack - Number: 0
Slot - Nr.: 2
11. With a right-click on the new connection you can start the properties dialog. In this dialog please click
on properties.
12. In this “Channel unit properties” you are able to see all “available connections”. Choose the latest
created connection and click again on „Properties”. Now you can see all the variables which has been
created for this connection. In fact this connection is a new connection so there should not be any variable
in the list. To add a new variable click on „New”.
13. Now you are able to set up the name of the variable and different more properties. In our example, we
assign the following values: Name: „S7LAN_MW0“
Data type : „unsigned 16 - Bit value“
Length: „2“
Address: „MW0“
Format adaptation: „WordToUnsignedWord“ Click on „Choose” beside the Address to define the address
from the variable.
Example configuration: The data area from the variable is set to „Mark“ and the address is set to „Word”.
The edit box „MW“ is set to „0”.
14. Confirm all open dialogs with „OK“ until you reach the main window.
15. The connection needs to know which network interface card it should be used to send data via the