The IT6900A series power supply provides overvoltage protection (OVP) function. The overvoltage protection point of the power supply can be set by the keypad on the panel. The IT6900A series also has built-in communication interfaces such as RS232, USB, and GPIB, and the IT9000 series software is provided for free. Using PC software, the IT6900A can easily be remotely controlled, setting voltage and current, recording and storing data, programming, and automatic testing.