ITech IT7300 Series User Manual

IT7300 User Manual
User Manual
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Chapter6 Remote Operation Mode
IT7320 series AC source has three standard communication interface: RS232, USB,
LAN.You can choose any one of them to communicate with PC.
6.1 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.
Note：The RS232 settings must match the settings in front panel system information. If any
change, please press
(Shift)+ (Menu)key to modify the menu: SYST SET\COMM.
RS-232 data format
RS-232 data is a 10-bit word with one start bit and one stop bit.The number of start bit is
not programmable.Stop bit is selectable between 1&2.Besides,you can set the parity bit in
the menu using the front panel
(Shift)+ key.
Parity options are stored in a non-volatile memory.
Baud Rate
The front panel
(Shift)+ button allows the user to set baud rate which is stored in
the non-volatile memory: 4800,9600,19200 38400,57600,115200
RS-232 connection cable
Adopt the RS232 cable with DB-9 interface because the serial port of RS232 can be
connected with that of the controller (e.g. PC). The modulating cable of the air-conditioner is
not recommended. The pins of plug are shown as the following table.
If your computer is provided with a RS232 interface with DB-25 plug, a cable and a adapter
with DB-25 plug (one end) and DB-9 plug (the other end) are required (not the modulating
cable of the air-conditioner)
RS-232 plug pins
Pin number Description
1 No connection
2 TXD, transfer date
3 RXD, receive data
4 No connection
5 GND, ground
6 No connection
7 CTS, clear transfer
8 RTS, ready to transfer
9 No connection

ITech IT7300 Series Specifications

General

Brand	ITech
Model	IT7300 Series
Category	Power Supply
Language	English