Remote Control 
  Copyright © Itech Electronic Co., Ltd.  11 
Local Address: (0 ~ 30, the factory default setting is 0) 
 
1.6.2 USB interface   
Use a Cable with two USB port to connect the power and the computer. 
All power functions can be programmed via USB. 
The USB488 interface functions of the power supply described as below: 
  interface is 488.2 USB488 interface. 
  Interface  Receive  REN_CONTROL,  GO_TO_LOCAL,  and 
LOCAL_LOCKOUT request. 
  Interface  receive  MsgID  =  TRIGGER  USBTMC  order  information, 
and will pass TRIGGER order to the functional layer. 
Power USB488 device functions described as follows: 
  device can read all of the mandatory SCPI orders. 
  device is SR1 enabled. 
  device is RL1 enabled. 
  device is DT1 enabled. 
To communicate via USB interface, you should first select the communication 
interface as USB in the system menu, the detailed operation is: 
1.  Press (Shift)+   to enter the menu. 
2.  Press  to select SYST SET, and then press , “P-MEM KEEP” is 
displayed, then press  to select COMM RS232, press . 
3.  Press  to select USB, and  to confirm.   
4.  Press    to escape the menu. 
NOTE 
when communicate via USB interface, only SCPI commands are supported, so you should make 
sure  the  LANG(SCPI/FRAME)  item  in  the  system  menu  is  selected  as  SCPI,  if  not,  please 
change to “SCPI”. IT6800B series only support SCIP. 
1.6.3 GPIB interface (Only for IT6800B series) 
First, Connect  the  GPIB  interface  on  the power supply and  the  GPIB 
card on computer via IEEE488 bus, must be full access and tighten the 
screws. Then set the address, the address range of the power : 0 to 30, 
can  set  by  the  function  key  on  the  front  panel,    press  the (Shift)+
key to enter the system menu function, find the GPIB address 
setting by    button, type the address,  key to confirm. GPIB 
address is stored in nonvolatile memory line.