Chapter10 Remote Control; Rs232 Interface - ITech IT7622 User Manual

ООО "Техэнком" Контрольно-измерительные приборы и оборудование

10.1 RS232 Interface

RS-232 Data style
Baudrate
RS-232 connection

Chapter10 Remote Control

IT7600 have four standard communication interfaces: LAN, USB, RS232 and
GPIB. The customer can choose any one according to his demands.
There is a DB9 connector at the rear of the power supply, when connecting to
computer, you need to select a cable with COM port on both side; To active you
need to press [Shift]+[Setup] (Menu) button to enter the menu item
Communication Configure to set the relevant parameters, which is same with
the PC communication configuration. You could do the secondary development
with all SCPI commands.
Note
The setup about RS232 in the program should agree with the configuration in the system
set.If you want to change the communication parameters,please press [Shift]+[Setup]
(Menu) button to enter the system set.
RS232 data includes start bit, parity bit, data bit and stop bit. The number of
start bits can not be edited. The stop bit can choose 1 or 2. You can select the
parity and stop bits via the front panel [Shift] + [Setup] (Menu) keys.
The front panel
[Shift]+[Setup] (Menu)
rate which is stored in the non-volatile memory:
/57600/115200.
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
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button allows the user to set baud
4800/9600/19200/38400
Pin description
connectionless
1
2 TXD,transmit data
3 RXD,receive data
connectionless
4
GND, ground
5
6 connectionless
7 CTS, clear transfer
8 RTS, ready
transfer
9 connectionless
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Remote Control
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