โมดูลรีเลย์ - Module Relay 1 Channel DC 5V-12V Active Low/High Level Trigger

1 Channel with Optocoupler Relay Output Relay Module Low Level Trigger Expansion Board * สามารถเลือกโหมดการทำงานได้ Active Low / Active High Specification: Common interface load: AC 250V/10A, DC 30V/10A Module Size: 50x26x18.5mm Voltage: 5V, 12V (Optional) DC+ : connected to the positive pole of power supply (voltage is required for relay, 5V, 12V for choice) DC- : connect to the power negative pole. IN: high or low level control relay suction Relay output terminal: NO: relay changeover interface,relay suction front suspension, suction and COM short connection. COM: Relay common interface. NC: Relay normally closed interface,relay suction and COM short joint, suction clearance. High and low level trigger selection terminal: - When jumper is connected with LOW short circuit, it is triggered by LOW level; - High level is triggered when jumper is connected with high short circuit;