Siemens S7-200PLC User Manual page 23

Run the VCOMM virtual serial port software on the PC, set the simulated virtual serial port on the
PC. Select VCOMM as Server (server side) mode, accept client connection. Choose the device
detector to create a virtual serial port.
Add a new virtual serial port, the monitoring IP address = PC IP address, client mode device try to
connect the port = VCOMM software port, this is 8000.
Click OK and exit the software and re-run VCOMM, server side VCOMM will accept as many as
client side ES-ETH-PPI connections, and it's unlimited. A new serial port COM3 will appear on the
PC after the connection is established. And this serial port will also appear in the Windows
System Device Manager, then you can choose this serial port in your applications,like STEP7
Micro/WIN.
___________________________________________________________________________________________________
- 23 -