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E39-R1 Scheda tecnica(PDF) 91 Page - Omron Electronics LLC |
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E39-R1 Scheda tecnica(HTML) 91 Page - Omron Electronics LLC |
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91 / 100 page  Technical Guide Technical Guide 90 Threaded Cylindrical Flat Sleeved Small Spot High Power Retro- reflective Limited- reflective Narrow view BGS Chemical- resistant, Oil-resistant Bending Heat- resistant Area Detection Liquid-level Vacuum FPD, Semi, Solar Installation Information 91 Installation Information Threaded Cylindrical Flat Sleeved Small Spot High Power Retro- reflective Limited- reflective Narrow view BGS Chemical- resistant, Oil-resistant Bending Heat- resistant Area Detection Liquid-level Vacuum FPD, Semi, Solar 90 91 Influence of Fiber Cable Length 0 20 40 60 80 100 120 Green rubber mat Bakelite Glass t0.7 Anodized aluminum (black) SUS304 White paper Material 0 20 40 60 80 100 120 1 2 3 4 5 0 7 6 8 9 11 10 Fiber Cable Length (m) The sensing distance listed in the Fiber Units specifications are based on the fiber cable lengths found in the suffix of the model number. The sensing distance will change if the fiber cable is cut or extended. The following graph shows the percentage change of the various fiber cable length, where 100% is the sensing distance for a fiber cable with a length of 2 m. Use this as a guideline for installation distances. Keep in mind that extending the cable with a fiber connector will result in even shorter sensing distances than the value given in the graph. Types of Fiber Cables This section describes the features of different types of fiber cables. (This is given in the Fiber Unit specifications as either Flexible or Bend-resistant for the cable bending radius, and Coaxial for the appearance. If no difinition is given, a standard cable is used.) Reflective Models: Sensing Distance Ratios by Workpiece Materials The following graph shows the percentage change of the various workpieces, where 100% is the sensing distance for white paper, the standard sensing object. Refer to the value of the material that looks like your workpiece. Structure where the multiple fine fibers has been independent. * White paper is 100%. Structure only of one fiber Reference Information for Fiber Units Q&A Fiber Units Fiber Amplifier Units Category Question Answer The optical axis diameter is the beam size that the Through-beam Fiber Unit uses for detection. If you are detecting objects larger than the optical axis diameter, you can expect stable detection performance because the object will block all of the beams of light that are used for detection. The incident level may fluctuate, however, if the workpiece passes the beam at high speed. In this case, it is best to select a Fiber Unit with a smaller optical axis diameter, or change the response time of the Fiber Amplifier Unit to High-speed mode or to Super-high-speed mode setting. Refer to the recommended mounting hole dimensions given on pages 58 to 61. With Through-beam Fiber Units, there is no difference between emitter fibers and receiver fibers. With Reflective Fiber Units, the emitter fibers and receiver fibers are different on Coaxial Reflective Models. Emitter fiber cables have identification marks. Refer to the individual dimensions diagrams of Fiber Units for details. Some models are available with either 5-m or 10-m cable. Ask your OMRON representative for details. Mobile consoles cannot be used with either the E3NX-FA Series or the E3X-HD Series. If you use E3NX-FA0 Amplifier Units, you can use the E3NW-ECT(EtherCAT), E3NW-CRT(CompoNet) or E3NW-CCL (CC-Link). If you use E3X-HD0 Amplifier Units, you can use the E3X-CRT (CompoNet) or E3X-ECT (EtherCAT). Fiber Units do not have any electrical components and therefore are exempt from CE certification. The Fiber Units can be used in an explosion-proof area. Install only the Fiber Unit in the explosion-proof area and install the Fiber Amplifier Unit outside the explosion-proof area. The aperture angle is the angle at which the emitter beam spreads out. The E3X-HD Series can be connected only with the E3X-DA-S and MDA Series. Are Fiber Cables available in different lengths? What is the aperture angle? Are these Fiber Units CE certified? These highly recommended Fiber Units have built-in lenses that achieve stable detection with high-power beams. What the Fiber Units with built-in lenses? How do I interpret the optical axis diameter in the Fiber Unit specifications? Are there any differences between the Fiber Units that are used for emitter and receiver? What size must the hole be to mount a Threaded or Cylindrical Fiber Unit? Can these Fiber Units be used in explosionproof areas? Can the Fiber Amplifier Units be linked with other models? Can the Fiber Amplifier Unit be operated from a mobile console? Can a Sensor Communications Unit be used? * The 100% value is for a fiber cable with a length of 2 m (same for Through-beam and Reflective Models). Structure which has a cladding around a large number of ultrafine cores. Beam spread of 60° Optical axis diameter Aperture angle The flexible fiber has a small bending radius for easy routing without easily breaking. It is easy to use because the cable can be bent without significantly reducing light intensity. •Flexible Fibers This fiber is resistant to repeated bends for use on moving parts. •Break-resistant Fibers This fiber have a large bending radius compared with bend-resistant or flexible fiber. Use this fiber where the bending radius is large, or on non-moving parts. •Standard Fibers These fibers are suitable for sensing small objects at close range. •Coaxial Reflective Fibers The receiver fibers are arranged around the emitter fiber. Receiver fibers Emitter fiber Cladding Core |
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