Configure the S7-200 PLC
1.Start Step7-Micro/Win 32. Create a new project or load your existing one (Figure 1 below):
Figure 1: Step 7 - Micro/WIN32 - Project1 Dialog Box
2.Click on Tools and then select Ethernet Wizard.
3.Step through the wizard:
Figure 2: Ethernet Wizard
4.Click Yes when asked to use symbolic addressing. Otherwise the wizard cannot continue:
Figure 3: Click Yes
5.Enter the module position of the CP243-1.
If you are uncertain about the position, click the button Read Modules. Otherwise you can enter the number directly:
Figure 4: Specify Module Position Dialog Box
6.Enter the IP configuration of your CP243-1.
Especially during the startup phase of the project, I would recommend not to use a BOOTP server.
Let the module detect the connection type (Figure 5 below):
Figure 5: Module Address Configuration
7.Enter the numbers of connections you want to configure for the CP243-1.
Default value is 0, which would not allow communication. In this example I will use 2 connections (Figure 6 below):
Figure 6: 2 Connections
Now you have to configure the connections. Connection 0 (Figure 7 below) will accept all in
coming client requests:
Figure 7: Connection Configuration
8.Always select This is a Server Connection. I recommend using the default TSAP's as suggested by Step7-Micro/Win32.
9.Click Next Connection (or Prev. Connection if available) to step through all the connections to configure them.
Note: If you plan to use such a connection, be sure that only one client tries to connect to the PLC via this connection at the same time. All other connection tries will be rejected.
Connection 1 accepts only requests from the specified client:
Figure 8: Specified Client Requests
10.If all connections are configured click OK.
During the startup phase of a project I would recommend not to use a CRC protection:
Figure 9: No CRC Protection
The wizard now needs a range in the V-Memory where to store this information. Step7-Micro/Win32 will suggest a valid range.
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