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"High and Low level trigger selection: Trigger Current: 2-4mA High Trigger Level: 4.5 - 12V Low Trigger Level: 0 - 4V High Trigger Selection: H and com end in short circuit by jumper terminal Low Trigger Selection: L and com end in short circuit by jumper terminal
Input Interface: DC+: DC 12V power supply positive DC-: DC 12V power supply negative IN: corresponding with trigger signal level of relay
Output Interface: NO: normally open interface, when there is trigger signal input , relay pick up, and circuit connected, load work. COM: common interface NC: normally close interface, when there is trigger signal input, relay disconnect, and load is off work.
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