WAGO PFC100 PLC Modbus TCP Configuration

Instruction for configuration WAGO PFC 100 PLC as Modbus/TCP Server (Slave)

1. Create a new Empty project in e!COCKPIT software.

2. Scan your network and select your PLC. Mark it and click Apply selection.

3. Right-click on the proper PLC and choose Scan.

4. After finding additional modules for PLC select it all and click Apply selection.

5. After returning to the Network/Devices go to the Product catalog menu on the right side of the window. Choose the Other communication parties -> Modbus TCP -> WAGO -> Generic_Modbus_Master. You can either double-click or drag-n-drop it to an empty field in Network/Devices.

Click the grey bottom Ethernet output point of one block and then click a corresponding one at the bottom of the other one to create the connection.

Choose the MODBUS (TCP) Protocol option.

6. Right-click on Application (PFC 100) on the left side of the project tree and choose Global Variable List. A window will pop-up, give the new list a name in it.

7. In the GVL tab create several variables. (In the example we create 3 variables: wModbus1, wModbus2, bModbus1).

8. Go to Network/Devices and choose your controller (click on the controller pic). Under the controller picture in the MODBUS slave tab right-click on PLC variable and choose Add from Program.

9. Choose the wanted variables in the GVL (global variables list) and click OK.

10. Check Direction for each variable and also check MODBUS address.

11. Right-click on Application (PFC 100) on the left side of the project tree and choose Connect.

12. After establishing a connection and downloading the program choose Start and check the result.