To connect PLCSIM to the DL VPC-LAB4.0, you will need these three software.
1) TIA portal to develop your PLC applications.
2) PLCSIM to simulate your applications.
3) NetToPLCsim, this one is a network extension for PLCSIM; it allows you to access the PLC-Simulation S7-PLCsim from your network via TCP/IP communication. Go to their website and download this extension.
Carry on with the connection procedures if you already have the TIA portal, PLCSIM and NetToPLCSim installed on your computer.
Follow these three simple steps to connect the DL VPC-LAB4.0 to PLCSIM.