4 channel relay output modules, relay output contacts Maximum 250A 10A. Input IN1, IN2, IN3, IN4 signal line active low. VCC, GND power supply input power alone can relay relay supply input JD-VCC.
1, supports all MCU control.
2, industrial areas;
3, PLC control;
4, smart home control;
Using high-current relay, AC250V 10A DC30V 10A
Contact part of the independent wiring, safe and reliable
Standard interfaces, can be extended in a variety of development board
A fixing screw holes for easy installation
For a variety of platforms 51 / AVR / AVR / ARM, etc.
1, the module complies with international safety standards, the control region and load region isolation trench;
2, using double-sided FR-4 circuit board design, high-end chip duction technology;
3, using Songle relay control;
4, with relay instructions, pull off, disconnect does not shine;
5, the signal has a low level signal input terminal, the common terminal and the normally open turns on;
6, the relay can directly control a variety of devices and the load;
7, there are 4 normally open and 4 normally closed contacts;
8, blue KF301 terminal connected to the control line is more convenient.
9, module size: 75mm * 55mm * 18.5mm?L * W * H), Weight: 61g
10 with four mounting bolts holes, hole 3.1mm, spacing 68mm * 48mm
11, finished by functional testing and stability testing is very convenient
Two module interface:
1, VCC: 5V power supply connected to the positive
2, GND: 5V power supply connected to the negative
3, IN1-IN4: trigger signal, active low
Relay outputs: a 12-line interface, all interfaces can connect directly leads, user-friendly
1, NO1 - NO4: normally open relay interfaces, relay before hanging, pull back with COM
2, COM1 - COM4 relay Common Interface
3, NC1 - NC4: normally closed relay interfaces, relay before with COM, pull vacant post
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