1, open the STEP75.5 programming software.
2. Left-click option-Set PG-PC interface to select the network card linked by the current PC and PLC.
3. Left-click PLC- Edit the Ethernet node option, and left-click the "Patrol" option, where you can view all PLCs currently in the same network segment as the PC.
4. Click the scan option on the left to see all the identifiable PLC devices in the current network, including IE-PB, IM 153-4 and other interface modules.
5. Select the device that needs to set or obtain the IP address, click OK, enter a new IP address in the IP address window, and then click the "Assign IP Configuration" button on the left to successfully send the new IP address.