1. Use Siemens Bo Tu software to configure two151-1pncpus, and set two PLCs on the same network segment.
2. Select a CPU, select the connection box in the drop-down box, select S7 connection, right-click the selected CPU, select Add New Connection, and a second PLC will pop up. Click Add.
3. The network tries to display the connection information and IP address assignment of two PLCs. The local connection name, local site, local ID, partner ID, partner and connection type of the two PLCs appear in the connection menu.
4. in the command menu bar > communication command bar-> find s7 communication-> upload/get.
5, GET instruction pin introduction (reading data from remote CPU).
6. Save the word 10 from the remote PLCMW200 in the word 10 from the local PLC MW200.
7. Use Siemens advanced simulation software to connect two PLCs, open the monitoring list and monitor the data connection.