Communication Interfaces
Copyright © Itech Electronic Co., Ltd. 69
RS-232 Interface
In RS-232 interface, all SCPI commands can be used for programming. If
RS-232 interface is selected, in accordance with internal connection of data
terminal equipment (DTE) and data communication equipment (DCE) as
defined in EIA RS-232, the load is connected to another DTE (e.g., PC COM
interface) with direct-connected Modem cable.
Communication Setup
Please ensure the PC and the load have the same configuration in the following
items.
Baudrate: 9600(4800, 9600, 19200, 38400). You could enter the system menu
to set the baudrate.
Data bit: 8
Stop bit: 1
Parity bit: (none, even, odd)
EVEN 8 data bits have even parity
ODD 8 data bits have odd parity
NONE 8 data bits have no parity
Native machine address: (0 ~31, factory default is 0)
USB Interface
Connect the load and the computer using a cable with two USB interfaces
(each end). All functions of the load can be programmed via USB.
After connecting the load and computer by USB, you need to install IT-E122
driver (download from
http://www.itech.sh/support/Down-3.htm?model=IT-E122%20%E5%85%89%E
9%9A%94%E7%A6%BB%E9%80%9A%E8%AE%AF%E6%8E%A5%E5%8F
%A3%E9%A9%B1%E5%8A%A8 or contact ITECH agent). The device
manager of PC will display ‘Prolific USB-to-Serial COM Port’ after installing.
Notes: Only IT8513B+/IT8514B+/IT8514C+/IT8516C+ models have the USB
communication interface. After the driver is installed successfully, use USB line
to connect in communication. (Please don’t connect DB9 interface at the same
time). Don’t need to set the menu.
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