Photocell for Gate Opener, Infrared Sensor

Photocell for Gate Opener, Infrared Sensor 
 NO : Normal Open , Short with COM when detect infra 
NC : Normal close , Short with COM when no detect infra 
 
Sensitive Function:In this function ,the photocell work 
more sensitive and quick,but it porbable useless in the rain or 
snow weather.To open this function ,you should short for 2 and3 on the receiver board. 
 
Technical Characteristics 
 
Range : 
20 m STANDARD 
Range can be reduced to 50% in bad weather 
Conditions : fog, rain, dust, etc. 
 
Power Supply : 12 to 24V DC/AC 
Wave Length : 880 Nm 
Infra-Red Frequency : 540 Hz 
 
Input : RX 20 mA - TX 35 
Operating Temperature : - 20°C to 70°C 
Relay Output : 1A max 24V 
Dimensions : 85X55X29mm 
 
 
Notice : 
 
1.As the beam emitted by the transmitter is extremely powerful, when there is a 
distance less than 4-5 m from the receiver correct operation could be affected 
by phenomena of reflection with nearby objects. 
 
2.Interrupt the beam several times checking that the relay switches over and 
the red LED on the receiver lights up. 
Not aligned : RED LED ON . Aligned : RED LED OFF