UDP3305S Series Programmable DC Power Supply User Manual
Press , select “Monitor”, and then press the “Enter” key or the knob to enter the monitor setting interface.
3. Select the monitor channel and set the parameters:
Select a channel and connect the load.
Set the monitoring conditions: voltage, current and power; > or <; combination (or/and) of current, voltage and
power.
Set the monitor processing mode: output off, warning, beeper.
4. Turn on the monitor:
Press the “Enable” key to turn on the monitor function.
4.12 Trigger
The trigger can be used as a trigger source to output high and low level signals to the external instrument, or as a
source under control to trigger the on and off of the instrument output through the external input level.
When triggered by an external signal, the trigger operates in trigger input mode. When the digital I/O interface
detects the trigger signal, the power supply controls the channel action. When the external instrument is triggered,
the digital I/O interface outputs high or low level signals when the trigger conditions are met.
The digital I/O interface on the rear panel needs to be connected, and the high level of IO input should not be
higher than 3.3V to avoid damage to the instrument.
Note: When the trigger operates in trigger input mode, D0~D3 is high level by default, and low level signal needs
to be connected to trigger.
Trigger input
Trigger output
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