2-way relay module expansion board, hig...

2-way  relay module expansion board, high level trigger  5V 9V 12V 24V

Product description:

1 , the module complies with international safety standards, the control area and the load region isolation trench ;
2 , using double-sided FR-4 circuit board design , high-end chip production process ;
3, using loose music authentic relay control ;
4, with power supply and relay instructions , pull off, disconnect does not shine ;
5 , a high level signal input signal, the common terminal will start with regular conduction ;
6 , the relay can control the various devices and the load ;
7 , there are two normally open and two normally closed contacts ;
8 , blue KF301 terminals to the control line is more convenient.
9 , module size : 41x41x18.5mm; Weight : 28g

Module interface :

the input section :
VCC: positive power supply ( by relay voltage supply )
GND: tied to power supply
IN1: 1 relay module signals trigger terminal
IN2: 2 -channel relay module signals trigger terminal

 the output section ( relay outputs ) :
1, NO1: 1 relay normally open interfaces , the relay becomes vacant before , pull shorting after the COM1
2, COM1: 1 relay common interface
3, NC1: 1 normally closed relay interface relay shorted before and COM1 , pull vacant post
4, NO2: 2 way normally open relay interface relay becomes vacant before , after and COM2 pull shorting
5, COM2: 2 Common Interface Relay
6, NC2: 2 way normally closed relay interface relay shorted before and COM2 , pull vacant post