Installation; General Notes On Installation - HomeMatic HM-Sen-EP Installation And Operating Manual

Headlight flasher sensor, radio sensor for electrical pulses

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Installation

The headlight flasher sensor is able to evaluate the

pulse sequences of lighting equipment or other DC

consumers via its inductive signal pick-up. The pulse

sequence must consist of switched direct current.

Therefore, the type of control and special pulsed

power supply used by xenon headlights makes them

somewhat unsuitable for this application. Add-

itionally, LED lighting in modern vehicles is usually

operated by means of a modulated current which can

have a negative effect on the function of the headlight

flasher sensor. For this reason, conventional bulb

lights such as the kinds used for H7 high-beam head-

lights, front and rear fog lamps or reversing lights are

preferable.

The headlight flasher sensor is battery-operated,

which means that no electrical wires are required to

supply the device with power. All that is required is

for the wire leading to the relevant lamp in one of the

lights to be placed around the sensor in a small loop

or twisted around it a few times. In the case of higher

currents, however, not even this is required - the

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