User Manual
70 
Therefore, a delay between commands to let the power supply 
have enough time to process them is mandatory. 
7.  All serial settings must match the settings configured on the PC 
in order for communication to link successfully. 
GPIB 
Each model can be configured with a GPIB address from 1-30. Follow 
the instructions below to select and configure the GPIB interface for 
remote operation. 
1.  From the SYSTEM menu, select Communication and press  . 
2.  When GPIB is blinking, press   to configure the settings for 
GPIB remote communication. The following display will be 
shown: 
3.  Press   to configure the GPIB Address to which the power 
supply will be assigned to. Use the rotary dial or numeric keypad 
to enter a value from 1-30. 
4.  Press   to save each setting and the display will return to the 
GPIB menu. 
5.  Make sure the address assigned in the power supply unit 
matches the address the data commands are being sent to. 
RS-485 
The PVS series supports multiple power supplies (of the same model, up 
to *50) that can be connected together via RS-485 and be controlled 
with a computer via USB (virtual COM) interface (Chain mode). If 
connecting more than 10 units, add a 120Ω resistor terminator to the 










