SICK GLL170 fibre-optic amplifier

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When the installation space at the detection site of a machine is not large enough even for a miniature sensor, fibre-optic sensors are often the only option for detecting objects. The separation of optics and evaluation make it possible to come close to the detection object both with scanners and with through-beam systems. When using highly flexible fibre-optics or variants with diverted light emission, technical and economical solutions can be implemented even under unfavourable installation conditions. High temperatures, aggressive oils, chemicals or mist are conditions in which the appropriate versions of fibre-optic sensors are needed. In both hidden and invisible mounting, fibre-optic sensors often have the decisive advantage that their amplifiers can be installed at easily accessible places.

The GLL170 fibre-optic amplifier is now easier to operate and offers a higher level of flexibility. With both the GLL170 with a potentiometer and the GLL170T teach-in version with digital display, the user can flexibly adjust the sensor parameters to the application.

Both amplifier versions fulfil the requirements of enclosure rating IP66 even without a rear cover. This means they can be installed directly on the machine, and this can be done using either mounting rail supports or fixing holes in the housing. The teach-in version features both PNP and NPN output types in one sensor. Also, its alpha-numeric display makes monitoring the process parameters simple.