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3.3V Single Channel Relay Driver Module Photoelectric Isolation Input NPN/PNP

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Product Introduction:

1.Adopt field-effect tube

2.Input port signal compatible with NPN and PNP,PLC devices

3.Input signal voltage 3.3V

4.Input port adopts photoelectric isolation to ensure the safety of control port;with operating state indicator lamp

5.Connection:VCC and GND are power supply ports,please connect with them according to introduction;1+,1- connect with control signal;controlled appliance output port is open-drain output,label as 01

6.Module Specification:72*19*18mm


Pin Definition:

1.Signal Input:1+ is for signal input positive;signal input negative

2.Power Supply Input:VCC is for DC power positive;GND is for DC power negative

3.Signal Output:01 is for signal output (drain output)

Drain Output Picture:

When there is control signal,output port 01 and module DC power supply negative are connected to form return circuit

Module External Connection Picture:(can control under 30V,5A household appliances)


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3.3V Single Channel Relay Driver Module Photoelectric Isolation Input NPN/PNP