ITech IT7900P Series - Chapter 10 Remote Control; USB Interface Configuration

Inspection and Installation
Copyright ©ITECH Electronic Co., Ltd. 139
Chapter10 Remote Control
This series power supply comes standard with four communication interfaces:
USB, LAN and CAN, and supports two optional communication interfaces: GPIB,
RS-232. You can choose one of them to communicate with your computer.
When you use the remote interface to send SCPI instructions, if you use the
programming commands that involve modifying the instrument settings,
such as modifying the output voltage value, after completing the
communication connection between the instrument and the host computer,
and after the communication settings are completed, you must execute the
SYST:REM command firstly.
10.1 USB Interface
Use cables with both USB ends to connect with IT7900 and PC. All functions
are programmable over the USB.
The USB488 interface capabilities are described below:
⚫ The interface is 488.2 USB488 interface.
⚫ The interface accepts REN_CONTROL, GO_TO_LOCAL, and
LOCAL_LOCKOUT requests.
⚫ The interface accepts MsgID = TRIGGER USBTMC command message
and forwards TRIGGER requests to the function layer.
The USB488 device functions are described below:
⚫ The device understands all mandatory SCPI commands.
⚫ The device is SR1 capable.
⚫ The device is RL1 capable.
The device is DT1 capable.
The operation steps to change the USB interface type in System Menu are as
follows.
1. Press the composite keys [Shift]+ (System) on the front panel
to en- ter the system menu.
2. Select Communication ->USB and press [Enter].
3. Select USB Type to Device, and press [Enter].
4. Select the USB device class to TMC or VCP.
10.2 LAN Interface
When the user connect PC through LAN interface, the following is required
to use the LAN interface. The LAN interface complies with the LXI standard.