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Unformatted text preview: Nominal switching distance sn [mm] D 21 25 D 22 40 Design Switching frequency fmin [Hz] D 21 50 D 22 10 Table 14.4.4:
Nominal switching distances in millimetres and minimum attainable switching frequencies (design D) © Festo Didactic GmbH & Co. KG • FP 1110 223 224 © Festo Didactic GmbH & Co. KG • FP 1110 15. Special designs and variants of proximity sensors 15.1
Variants of inductive
proximity sensors •
• Universal two-wire design
Designs for welding environment
Designs for higher temperature range
Designs for higher pressure range
Designs with large switching gaps
Designs with high switching frequency
Designs with directional orientation (idle return function)
Designs with safety technology
– Self-monitoring safety switches
– NAMUR-Switch for use in areas with explosion hazard
Designs with selective action according to material
Designs with switching distance independent of material
Ring and slot shaped designs
Special designs for checking of broken drills © Festo Didactic GmbH &...
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This note was uploaded on 11/01/2012 for the course CHEMICAL 102 taught by Professor Jamesrodriguez during the Spring '12 term at Universidad Politécnica de Cartagena.
- Spring '12