Page top

Primary Contents

Question

What is the construction and the operating principle of the GLS Proximity Sensors?

Answer



GLS combines a reed switch and a permanent magnet.

As shown in the following figure, two reeds of electromagnetic material are inserted opposite each other with a gap in a glass pipe. This section is the contacts. (Refer to Figure 1.)

When the permanent magnet nears this section, a magnetic field causes the two reeds to be attracted to the N pole and S pole. The contacts operate due to attraction, and the contacts switch. (Refer to Figure 2.)

Figure 1: Basic Construction of a Reed Switch

Figure 2: GLS Operating Principle

Recommended Products

E2E

Standard Sensors for Detecting Ferrous Metals under Standard Conditions

E32 Series

OMRON's Fiber Sensors continue to support an increasing range of applications.

FZ2 Series

Real color sensors equipped with 2-million-pixel CCDs, the fastest in the industry. Nine different types of cameras are available.

Other Proximity Sensors FAQ