Remote Operation
Copyright © Itech Electronic Co., Ltd. 26
Chapter4 Remote Operation
IT6800A series power supply provides two standard communication interfaces:
RS232, USB. IT6800B series power supply provides three standard
communication interfaces: RS232, USB, GPIB. User can select anyone to
communicate with the computer.
4.1 RS232 interface
There is a COM port (DB9)connector at the rear of the power supply, when
connect to computer, you need to connect a cable with COM port on both side;
To active connection, you need to press the front panel composite key
(Shift)+ to configurate settings the same as computer
configuration settings. RS-232 interface can be used to program all of
the SCPI commands.
NOTE
The RS232 settings on the computer side must match the settings in the system menu of the
instrument. If any change, please press (Shift) + key to enter the system menu
and then implement the changes.
RS-232 data format
RS-232 data is 10-bit words contain a start bit and a stop bit. The start bit and
stop bit can’t be edited. However, you can select the parity items by pressing
(Shift) + key on the front panel and enter the system
menu(SYSTEM SET).
Parity options are stored in nonvolatile memory
Baud Rate
The front panel (Shift)+ button allows the user to select a
baud rate which is stored in the non-volatile memory: 4800/9600/19200
/38400/57600/115200
RS-232 connection
Use a RS232 cable with DB-9 interface, RS-232 serial port can connect
with the controller (eg PC). Do not use blank Modem cable. Table 2-2
shows the plug pins.
If your computer is using a RS-232 interface with DB-25 connector, you
need an adapter cable with a DB-25 connector at one end and the other
side is a DB-9(not blank modem cable)
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