User’s Manual Series DC Electronic Load
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7.4 Alarm
The following alarm prompts may appear during the input of the set parameters to run the test, and
the user needs to readjust the input.
Overvoltage protection: If input voltage of the load is greater than the setting value of overvoltage
protection, it will trigger the overvoltage protection event.
Overcurrent protection: If load current is greater than the setting value of overcurrent protection, it
will trigger the overcurrent protection event.
Power protection: If load power is greater than the setting value of power protection, it will trigger
the power protection event.
Polarity error: If the positive and negaitive of input port is reverse connected, it will trigger polarity
error event.
Under-voltage protection: When the load is operating, if it detects the input voltage is less than the
setting value of unload voltage, it will trigger under-voltage protection event.
7.5 Local/Remote
The electronic load provides two operation mode, local operation and remote control. The default
mode is local operation. When the electronic load is connect with RS232 communication port to
operating SCPI remote control, the electronic load will automatically switch to remote control and
lock the keyboard, mode information in system state bar will change from Manual to COMM and display
LOCK information.
Long press Lock key to unlock the keyboard and cancel the remote control, the operation mode will
switch to local.
