In south east asia north and south america as well as

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Unformatted text preview: Festo Didactic GmbH & Co. KG • FP 1110 17 1. General notes 1.5.2 Operating voltages In European countries, proximity sensors are primarily operated with nominal 24 V DC, whereby sensors are generally designed for a range between 10 – 30 V or 10 – 55 V. In South East Asia, North and South America as well as Australia and South Africa an estimated share of 30 % of inductive and optical proximity sensors are operated via AC supply. Inductive, capacitive and optical proximity sensors are often available not only for DC but also for AC voltage, whereby the AC voltage is usually 24 V, 110 V, 120 V or 220 V. Inductive, capacitive and optical proximity sensors are also available in universal voltage designs, which can be connected to both DC and AC voltage, e.g. within a range of 12 – 240 V DC or 24 – 240 V AC. Other manufacturers, for instance, offer designs for 20 – 250 V DC AC voltage (e.g. 45 – 65 Hz). An alternative term used is universal current design (UC). 1.6 Fields of application for proximity sensors Typical fields of application for proximity sensors are in the areas of: – Automotive industry – Mechanical engineering – Packaging industr...
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