Page 5 of catalogue Magneto resistive sensors of Rechner Industrie-Elektronik GmbH

Wiring of the MRS should be routed separately or screened from heavy conductor lines, as in extreme cases inductive peak voltages can destroy the Sensors despite the integrated protective circuit. Screened cable or twisted lines are recommended, especially for longer cable runs > 5 m. Direct control of electric light bulbs is to be avoided, because during the switch-on moment cold current is many times the rated current and can destroy the output stage of the sensor. Units with strong local field power, e. g. high power walkie-talkies, or noise sources in the lower frequency range, e.g. long, middle or short wave transmitters should not be operated close to the sensors or additional measures have to be taken in order to eliminate the maloperation.

2- and 3-wire sensors with binary output can be used in series or parallel connection, similar to mechanical contacts. It is important to note the type-typical voltage drop and the residual voltage d , that must be multiplied, for series connection, in accordance with the number of sensors.

Series connection

Parallel connection
wire DC

3 wire DC NPN

All specifications are subject to change without notice. (07/2008)

3 wire DC PNP

RECHNER Industrie-Elektronik GmbH • Gaußstraße 8-10 • D-6863 Lampertheim • Tel. (0 6 06) 50 07-0 • Fax (0 6 06) 50 07-36 • e-mail: info@rechner-sensors.de • www.rechner-sensors.com

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