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E3S-AD73 Datasheet(PDF) 9 Page - Omron Electronics LLC |
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E3S-AD73 Datasheet(HTML) 9 Page - Omron Electronics LLC |
9 / 21 page 9 E3S-A Structure of Sensor I/O Connector Adjustment Methods Sensitivity Adjustment for Diffuse-reflective Sensors Set to Light ON Unlike conventional Photoelectric Sensors, the variation in the sensitivity of E3S-A Photoelectric Sensors is minimal. This means the sensitivity can be adjusted on only a single Photoelectric Sensor, and then the adjusters on the other Photoelectric Sensors can be set to the same scale position. There is no need to adjust the sensitivity of each Photoelectric Sensor individually. E3S-AR41 E3S-AR91 Light-ON L Side (LIGHT ON) Retro-reflective Sensors Dark-ON D Side (DARK ON) Item Sensing condition Sensitivity adjuster Indicators Procedure 1) Position A Locate a sensing object at the sensing distance, set the sensitivity adjuster to the minimum scale position, and gradually increase sensitivity by turning the sensitivity adjuster clockwise until the incident light indicator (red LED) is ON. Position A is where the indicator has turned ON. 2) Position B Position B is when the sensing object is removed and the sensitivity adjuster is turned clockwise until the incident light indicator (red LED) is ON. Position C is where the adjuster is turned counterclockwise (reducing the sensitivity) from position B until the incident light indicator (red LED) is OFF. When there are no background objects, the maximum sensitivity is position C. 3) Setting --- Set the sensitivity adjuster to halfway between (A) and (C) (at the optimum sensitivity). Check that the stability indicator (green LED) turns ON according to whether the sensing object is there or not. There is not sufficient margin if it does not turn ON. If this is the case, reconsider the detection method. Model Operation mode Timing charts Mode selector switch Output circuit T T: OFF-delay timer (0 to 100 ms) Incident light No incident light ON OFF ON OFF Operate Reset Light indicator (red) (Between blue and black) Output transistor Load (e.g., relay) 4.4 K (External diagnostic input) (Self-diagnostic output) ZD Light indica- tor Stability indicator (green) Photo- electric Sensor main circuit Load (relay) Brown Blue Black (Control output) 100 mA max. 10 to 30 VDC (red) Load (relay) Orange 50 mA max. Pink ZD T T: OFF-delay timer (0 to 100 ms) Incident light No incident light ON OFF ON OFF Operate Reset Light indicator (red) (Between brown and black) Output transistor Load (e.g., relay) 2 4 1 3 1 2 3 4 Terminal No. XS2F-D421-DC0-F Brown Blue Black Note: Pin 2 is not used. Classification Wire color Connection Pin No. Application For DC Brown 1 +V --- 2 --- Blue 3 0 V Black 4 Output Photoelectric Sensor Sensing object Backg- round object Min. Max. (A) Stability indicator (green) Light indicator (red) ON → OFF OFF → ON Photoelectric Sensor Sensing object Backg- round object Min. Max. (B) (C) ON → OFF ON → OFF Stability indicator (green) Light indicator (red) Min. Max. (C) (A) ON ON → OFF Stability indicator (green) Light indicator (red) |
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