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MS-RF23 Datasheet(PDF) 21 Page - Panasonic Semiconductor |
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MS-RF23 Datasheet(HTML) 21 Page - Panasonic Semiconductor |
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21 / 30 page  297 CompactPhotoelectricSensorCX-400SERIESVer.2 Selection Guide Amplifier Built-in Power Supply Built-in Amplifier- separated CX-400 CY-100 EX-10 EX-20 EX-30 EX-40 CX-440 EQ-30 EQ-500 MQ-W RX-LS200 RX RT-610 FIBER SENSORS LASER SENSORS PHOTO- ELECTRIC SENSORS MICRO PHOTO- ELECTRIC SENSORS AREA SENSORS LIGHT CURTAINS / SAFETY COMPONENTS PRESSURE / FLOW SENSORS INDUCTIVE PROXIMITY SENSORS PARTICULAR USE SENSORS SENSOR OPTIONS SIMPLE WIRE-SAVING UNITS WIRE-SAVING SYSTEMS MEASURE- MENT SENSORS STATIC ELECTRICITY PREVENTION DEVICES LASER MARKERS PLC HUMAN MACHINE INTERFACES ENERGY CONSUMPTION VISUALIZATION COMPONENTS FA COMPONENTS MACHINE VISION SYSTEMS UV CURING SYSTEMS PRECAUTIONS FOR PROPER USE CX-41□ CX-42□ CX-49□ CX-48□ Retroreflective type sensor (excluding CX-491□) Sensitivity adjustment • Please take care of the following points when detecting materials having a gloss. Retroreflective type sensor with polarizing filters (CX-491□) • If a shiny object is covered or wrapped with a transparent film, such as those described below, the retroreflective type sensor with polarizing filters may not be able to detect it. In that case, follow the steps given below. Example of sensing objects • Can wrapped by clear film • Aluminum sheet covered by plastic film • Gold or silver color (specular) label or wrapping paper Steps • Tilt the sensor with respect to the sensing object while fitting. • Reduce the sensitivity. • Increase the distance between the sensor and the sensing object. Retroreflective type sensor for transparent object sensing (CX-48□) • Optimum sensing is possible when the position of the transparent sensing object is set at the center of the sensor and the reflector. If the sensing position is set near the sensor or the reflector, the sensing may be unstable. In this case, set the sensing position at the center of the sensor and the reflector. 1 Make L, shown in the diagram, sufficiently long. 2 Install at an angle of 10 to 30 degrees to the sensing object. L 10° to 30° Make L sufficiently long Sensing object Reflector Glossy surface • When the sensor detects an uneven plastic receptacle or glass bottle, the received-light amount may differ with the sensing position or direction. Adjust the sensitivity after confirming the stable sensing condition by turning the sensing object, etc. • When sensing pipe-shaped transparent sensing object, set it in a standing, not lying, position as shown in Figure A. The sensor may fail to detect a lying object as shown in Figure B. Sensor Reflector Transparent sensing object Reflector Sensor A Reflector Sensor B Incorrect Correct CX-48□ Step Sensitivity adjuster Description 1 Turn the sensitivity adjuster fully counterclockwise to the minimum sensitivity position, MIN. 2 A In the light received condition, turn the sensitivity adjuster slowly clockwise and confirm the point where the sensor enters the “Light” state operation. 3 A B In the dark condition, turn the sensitivity adjuster further clockwise until the sensor enters the “Light” state operation and then bring it back to confirm point where the sensor just returns to the “Dark” state operation. If the sensor does not enter the “Light” state operation even when the sensitivity adjuster is turned fully clockwise, the position is point . 4 Optimum position A B The position at the middle of points and is the optimum sensing position. Note: Use the flathead screwdriver (purchase separately) to turn the adjuster slowly. Turning with excessive strength will cause damage to the adjuster. Light condition Dark condition Thru-beam type Receiver Emitter Emitter Sensing object Receiver Retroreflective type Sensor Reflector Sensor Sensing object Reflector Diffuse reflective type Sensor Sensing object Sensor Relation between output and indicators , : Lights up, : Turns OFF In case of Light-ON Sensing condition In case of Dark-ON Stability indicator Operation indicator Output Output Operation indicator Stability indicator ON Stable light receiving OFF Unstable light receiving OFF Unstable dark receiving ON Stable dark receiving Refer to p.1458~ for general precautions. |
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