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.working status indicator lights are conducive to the safe use.
4.Support all single-chip microcomputer,control Industrial circle,PLC controller,Household intelligent control
5.8 and 8 normally open normally closed contact
6.blue KF301 terminals to the control line is more convenient.
7.Module size : 138m * 56mm * 19.3mm ( L * W * H ) , Weight : 120g

Two module interface :
1.VCC: 5V power supply connected to the positive
2.GND: 5V 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
4.NO1 - NO8: normally open relay interfaces , relay before the vacant after the pull shorted with COM
5.COM1 - COM8 Relay Common Interface
6.NC1 - NC8: normally closed relay interface relay shorted with COM ago , after the pull- vacant

Package included:
2 x 8 Channel Relay Module