Usb Interface - ITech IT6322A User Manual

Series it6300a/b triple output programmable dc power supply
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RS-232 troubleshooting
If you are having trouble communicating over the RS-232 interface, check the
following:
Communication
settings
Before communication, you should first make the following parameters of
power supply and PC matches.
Baud Rate: 9600 (4800/9600/19200/38400/57600/115200). You can enter the
system menu from the front panel, and then set the baud rate.
Data bits: 8
Stop bit: 1
Parity: (none, even, odd)
EVEN
ODD
NONE
The machine address: (0 ~ 31, the factory a value of 0)
Parity=None

5.2 USB interface

You can connect the power and computer by using a USB cable with an A
type port and a B type port. All the power function can programmed through
the USB.
The power supply USB488 interface functions are described as follows:
RS232 Pins of Plug
The computer and the power supply must be configured for the same
baud rate, parity, number of data bits, and flow control options. Note that
the power supply is configured for 1 start bit and 1 stop bit (these values
are fixed).
The correct interface cables or adapters must be used, as described
under RS-232 Connector. Note that even if the cable has the proper
connectors for your system, the internal wiring may be incorrect.
The interface cable must be connected to the correct serial port on your
computer (COM1, COM2,etc.).
Eight data bits have even check
Eight data bits have odd check
Eight data bits have no check
Start Bit
Interface is 488.2 USB488 interface.
Copyright © Itech Electronics Co., Ltd.
Communication with PC
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
8 Data Bits
Stop Bit
29

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