Siemens CA 343 Series Manual de usuario descargar pdf (Pagina 12)

Figure 18

In this example, the device will be renamed S7300.

The device settings have to be set up to fit the PLC configuration (Figure 19).

1. Select the device representing the PLC.

2. Change the IP address to the PLC IP address, in this example 192.168.200.20.

3. Select the Type as CP 343.

4. Enter the Server connection in hexadecimal. This is the PLC Connection Resource defined in

Simatic NetPro (Figure 16), in this example 10.

5. Enter the Client connection in hexadecimal. This is the G3 Connection Resource defined in

Simatic NetPro (Figure 16), in this example 03.

6. Enter the CP343 Slot position in the rack (Figure 16), in this example 04.

The communications settings are now complete. Close the “Communications” module and enter the “Data

Tags” module to map variables to PLC registers as shown in Figure 20. For example, to map a Data Block, do

the following steps:

1. Create an integer variable.

2. Select the variable, click on “Internal” in the Data tab and select the device (here S7 300).

3. Select the Siemens data item to exchange, here DB.

4. Choose the data type (See note on Data Type next page).

5. Select the starting element for the data item (Identical to PLC addresses) and click OK.

Once the tags are inserted on the screen, the database is now ready and can be downloaded in the G3.

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Siemens CA 343 Series Manual de usuario Pagina 12