it is the communication version, please check the instruction to see how it works, use one communication at a time, because only one communication board can be connected at a time
Its adjustable output voltage range is 0-50.00V, step by 0.01V. and make sure that the input voltage is 1.1 times higher than output voltage.
Its adjustable output current range is 0-20.00A, step by 0.01A.
it has 10 data group to store settings, and you can press the V↑ and A↓ to quick set the value
You can also set the over voltage value, over current value, over power value, screen brightness and other settings at the setting page