application: 1. The 12V relay contact capacity is 10A 250V, with optocoupler protection. The onboard power module does not require an external power supply. The I/O port drive is active low. 2. It can be used as a single chip microcomputer development board module, can be used as a home appliance control, and can also be used as a PLC expansion output. Module features: 1. Control signal voltage range: the trigger signal is low level 0-2V; the high level voltage cannot exceed 5V. 2. High-quality isolated optocoupler, strong anti-interference ability and stable performance; the trigger current is only 3mA. 3. Channels 1-16 can be turned on/off arbitrarily, or any channel. 4. Output form: Directly connect to the load of AC 220V 10A or DC30V 10A. 5. The common terminal COM of each relay is independent, which is convenient for users to access different signals. Each relay has a normally closed and normally open port. 6. Each relay has an action indicator light, which turns on when it is closed, and goes out when it is disconnected. 7. The interface design is user-friendly, all interfaces can be directly connected through the terminal block, which is very convenient. 8. There are 4 fixing bolt holes for easy installation. 9. PCB board size: 180MM(L)*90MM(W)*20MM(H). Electrical parameters: Power supply voltage: 5V 12V (DC) Power supply current: more than 200mA Each relay can load: 250V 10A (AC) or 30V 10A (DC) Product instructions: 1. The power supply must meet the scope of use, DC 12V; 2. The power supply is not reversed according to the requirements of the wiring diagram; 3. The product using LM2596S step-down chip has a slight heat, which is a normal phenomenon, and the relay has normal heat when it works for a long time, which is a normal phenomenon; 4. The load power should leave a certain margin for the relay load, and high-power (about 2000W) and long-time working environments should be avoided, which will have a certain impact on the life of the product.
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integrated IC brands, optoelectronic coupler, ditriode, capacitance resistance, crystal vibration, plug-in switch，digital to analog circuit, single chip microcomputer, photoelectric coupling, storage, three-terminal voltage regulator, SCR, field effect, schottky, relays, light tube, connectors, and other one-stop supporting services!
