Monitoring Module “DC+, DC-” Terminal Connection Method

（1）Positive input line to “DC+” green terminal；

（2）Input negative line to “DC-” green terminal；

（3）When wiring, be sure to tighten the terminals to avoid pulling the arc.

（4）The busbar wiring is shown below:

Common problems are: input line to NC terminal, positive and negative lines are connected and not tightened;
If the input cable is not connected properly, the host module will fail to start, flashing screen, poor communication and so on.