The 24V 4-Channel Relay Module with Light Coupling operates by using optical coupling isolation to trigger the relay channels. It ensures reliable and stable triggering of the relays, with high-end SMT processes and double FR-4 circuit board design.
Arduino
AVR
PIC
ARM
Do not exceed the specified operating voltage of 24VDC to prevent damage.
Avoid using incorrect trigger signals to prevent malfunction.
Do not connect incompatible loads beyond the relay's switching capabilities.
Connect power supply to the positive terminal (VCC) and power negative to GND for proper operation.
Use high-level trigger signals (IN1, IN2, IN3, IN4) to activate the relay channels.
Utilize the provided screw terminals (C, NC, NO) for easy and secure wiring connections.
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