User manual
23 
GPIB 
Follow the below instructions to select GPIB interface for remote operation. 
1.  From the SYSTEM menu, browse and select Communication and press . 
2.  Select GPIB and press   to set to GPIB for remote communication. 
3.  The display will give a prompt to select an Address. This is the GPIB address to which 
the power supply will be assigned to. 
4.  Use the current adjust knob or the numeric keypad to enter an address from 0 – 31. 
5.  Press   to save the selected address and the display will return to the 
Communication menu. 
6.  Press   several times to exit the menu. 
RS-485 
Multiple power supplies (up to 31) can be connected together in series and be controlled via 
the DB-9 RS-485 interface. 
1.  From the SYSTEM menu, browse and select Communication and press . 
2.  Select RS485 and press   to set to RS485 for remote communication. The 
following display will be shown: 
3.  4800 is the baudrate; 8 is the data bits; N is the parity; 1 is the stop bit; Addr… is for 
address. 
4.  Use  to select between each serial settings, and use   to change the settings. 
5.  Below list the options that can be changed for each setting: 
Baudrate: 4800, 9600, 19200, 38400, 57600, 115200* 
Data bits: 8 
Parity: N (None), E (Even), O (Odd) 
Stop bit: 1, 2 
Addr: 0 to 31 
Note:  The default is 4800, 8, N, 1, Address = 0.  
*Setting the baudrate to 115200 may provide unstable results during remote 
communication. Select a lower baudrate if communication errors occur. 
RS485 
 4800 , 8 , N , 1 , Addr . . . 










