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TL-T5MY2 Folha de dados(PDF) 8 Page - Omron Electronics LLC |
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TL-T5MY2 Folha de dados(HTML) 8 Page - Omron Electronics LLC |
8 / 14 page Proximity Sensors Technical Guide ●Design Sensing Object Material The sensing distance varies greatly depending on the material of the sensing object. Study the engineering data for the influence of sensing object material and size and select a distance with sufficient leeway. • In general, if the sensing object is a non- magnetic metal (for example, aluminum), the sensing distance decreases. Size of Sensing Object In general, if the object is smaller than the standard sensing object, the sensing distance decreases. • Design the setup for an object size that is the same or greater than the standard sensing object size from the graphs showing the sensing object size and sensing distance. • When the size of the standard sensing object is the same or less than the size of the standard sensing object, select a sensing distance with sufficient leeway. Thickness of Sensing Object • The thickness of ferrous metals (iron, nickel, etc.) must be 1 mm or greater. • For non-magnetic metal, a sensing distance equivalent to a magnetic body can be obtained when the coating thickness is 0.01 mm or less. With pulse- response models (e.g., E2V), however, the characteristics may vary. Be sure to check the catalog information for the relevant model. When the coating is extremely thin and is not conductive, such as a vacuum deposited film, detection is not possible. • Influence of Plating If the sensing object is plated, the sensing distance will change (see the table below). Effect of Plating (Typical) (Reference values: Percent of non-plated sensing distance) Mutual Interference • Mutual interference refers to a state where a Sensor is affected by magnetism (or static capacitance) from an adjacent Sensor and the output is unstable. • One means of avoiding interference when mounting Proximity Sensors close together is to alternate Sensors with different frequencies. The model tables indicate whether different frequencies are available. Please refer to the tables. • When Proximity Sensors with the same frequency are mounted together in a line or face-to-face, they must be separated by a minimum distance. For details, refer to Mutual Interference in the Safety Precautions for individual Sensors. Power Reset Time A Sensor is ready for detection within 100 ms after turning ON the power. If the load and Sensor are connected to separate power supplies, design the system so that the Sensor power turns ON first. Aluminum Copper Brass Stainless steel Steel (SPCC) 0 5 10 15 20 25 30 35 40 45 50 55 Side length (one side) of sensing object: d (mm) 14 12 10 8 6 4 2 X d t=1mm Example: E2-X10D @ Stability Side length (one side) of sensing object: d (mm) Standard sensing object Sensing distance becomes short Thickness and base material of plating Steel Brass No plating 100 100 Zn 5 to 15 μm 90 to 120 95 to 105 Cd 5 to 15 μm 100 to 110 95 to 105 Ag 5 to 15 μm 60 to 90 85 to 100 Cu 10 to 20 μm 70 to 95 95 to 105 Cu 5 to 15 μm - 95 to 105 Cu (5 to 10 μm) + Ni (10 to 20 μm) 70 to 95 - Cu (5 to 10 μm) + Ni (10 μm) + Cr (0.3 μm) 75 to 95 - Aluminum Steel 0 0.01 0.1 1 10 Thickness of sensing object: t (mm) 10 8 6 4 2 Reset Operate Sensing object shape: Square d=30mm http://www.ia.omron.com/ C-3 (c)Copyright OMRON Corporation 2008 All Rights Reserved. |
Nº de peça semelhante - TL-T5MY2 |
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Descrição semelhante - TL-T5MY2 |
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