Chapter V Remote Operation Mode; Rs232 Interface - ITech IT6722 User Manual

IT6700 series power supply is provided with three communication interfaces to
communicate with a computer for selection, including S232, USB, RS485 and
GPIB. IT6722A has not standard GPIB communication interface.

5.1 RS232 interface

There is a DB9 connector at the rear of the power supply, when connect to
computer, you need to select a cable with COM port on both side; to active
communication, you need to enable the settings in menu to be the same with
the PC communication configuration.
RS-232 data format
RS-232 data is a 10-bit words which has a start bit and a stop bit. The start bit
and stop bit can't be edited. However, you can select the parity items with
(Shift) +
Parity options are stored in nonvolatile memory.
Baud Rate
The front panel
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. Below Table 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).

Chapter V Remote Operation Mode

NOTE
The RS232 settings must match the settings in front panel system information. If any
change, please press
I-set I-set
key on the front panel.
(Shift) +
RS232 Pins of Plug
Copyright © Itech Electronics Co., Ltd.
I-set I-set
(Shift)+ key to modify the menu: SYST SET\COMM.
I-set I-set
button allows the user to select a baud
Base pin Description
number
1 No conjunction
2 TXD, data transmission
3 RXD, data receiving
4 No conjunction
5 GND, grounding
6 No conjunction
7 CTS, clear to send
8 RTS, request to send
9 No conjunction
Remote
Operation Mode
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