Yes, use the supplied RS485 link cable to connect up to 31 PAV series.
Connect the first PAV to your PC through a RS232C/RS485 or USB or LAN (optional).
Connect from the second PAVs with the RS485 link cable.
For the details, read the communication interface manual – chapter of Connecting Several PAVs to a PC.
All PAVs (up to 31 units) can be controlled with a global command such as setting an output on/off or an output voltage/current.
For the details, read the communication interface manual – chapter of Global subsystem.