The i5 Infra Red Beam consists of a transmitter and receiver unit mounted on opposite sides of the entrance. The transmitter sends a modulated infra red beam to the receiver. When the beam is interrupted the receiver changes the state of an internal relay. The contacts of the relay are potential free and can be wired as normally opened or closed
Both the transmitter and the receiver are fitted with a green LED indicator. The LED in the transmitter illuminates when the power supply is ON and in the receiver when the beam is aligned.
PE Beam Brochure
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