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1 USB Interface Connection
Users can remotely control the power supply via PC over the USB interface. Upon installation of the USB driver, the
PC can control the instrument over virtual COM.
Connecting Instrument to PC
1. Download the USB drivers from www.bkprecision.com .
2. Connect the included USB cable to the power supply and the USB port on the PC.
3. When Windows recognizes the USB connection, do not follow the default Windows driver installation wizard.
Simply run the setup file from the downloaded USB drivers and follow the prompt to install drivers.
4. The computer will recognize the instrument as a USB (virtual COM) device, meaning it will be detected as a serial
COM port. Windows will automatically assign a COM port to the instrument. Please verify which COM port
Windows has assigned by going into Device Manager.
1.1 USB (Virtual COM) Configuration
The following serial port settings are used by the power supply.
Baudrate: 9600
Data bits: 8
Parity: None
Stop bits: 1
Flow Control: None
2 PC Software
2.1 General Functions and Display
Note: The power supply must be in Normal Mode and operated as a standalone equipment (not connected in
series or parallel with multiple supplies) for PC interface control.
The remote control PC software will display all output voltage, current, and power readings. Voltage and current
values can be set using either the text box or slide bar. The output status is shown on the display panel and can be
clicked to set the power supply output ON or OFF.
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