12VDC 8 channel relay module with optocoupler

Features

Using high-current relay , AC250V 10A DC30V 10A

Contact some independent wiring , safe and reliable

Standard interface , can be extended in a variety of development board

With fixed screw holes for easy installation

Suitable for a variety of platforms such as 51/AVR/AVR/ARM

Module Description :

1 , the module complies with international safety standards , the load control area and regional isolation tank ;

2, using double-sided FR-4 circuit board design, high-end chip production process ;

3, using loose music authentic relay control ;

4, with the relay instructions , pull off, disconnect does not shine ;

5, the signal input has a low signal , often beginning with a common terminal will be turned on ;

6 , the relay can control the various devices and the load ;

7 , 8 and 8 normally open normally closed contact ;

8 , blue KF301 terminals to the control line is more convenient.

9 , Module size : 138m * 56mm * 18.5mm ( L * W * H ) , Weight : 120g

10 with 4 fixing bolt holes , hole 3.1mm, pitch 131mm * 49.5mm

11 , finished by 100% functional testing and stability testing

Two module interface :

1, VCC: 12V power supply connected to the positive

2, GND: 12V power supply connected to the negative

3, IN1-IN8: trigger signal , active low

Relay outputs : a 12- line interface, the interface can be directly connected to all leads , user-friendly

1, NO1 – NO8: normally open relay interfaces , relay before the vacant after the pull shorted with COM

2, COM1 – COM8 Relay Common Interface

3, NC1 – NC8: normally closed relay interface relay shorted with COM ago , after the pull- vacant