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E3X-DAB8-S Datasheet(PDF) 4 Page - Omron Electronics LLC |
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E3X-DAB8-S Datasheet(HTML) 4 Page - Omron Electronics LLC |
4 / 34 page In addition to our unique APC circuit used in the E3X-DA-N Amplifiers to compensate for the dete- rioration of the LED, the E3X-DA-S uses 4-ele- ment LEDs to counteract the deterioration of the light-emitting elements over time and achieve the industry's most stable long-term detection perfor- mance. Furthermore, the circuit is designed with excess light capacity, so the Sensors can be used with high stability regardless of whether the APC cir- cuit is ON or OFF. With the Twin-output Amplifiers, output 2 can function as an alarm output (light level operation) to indicate when the light level has changed due to dirt or other causes. Time Time OMRON provides the industry's most stable long-term detection by using new 4-element LEDs and an APC (Auto Power Control) circuit. Time Without APC circuit Without APC circuit 3-element LED and APC 4-element LED and APC Earlier Method New Method Time Light Level Operation (Normal Operation) Judges light level changes by comparing the incident level and threshold level. Differential Operation Judges light level changes by comparing the incident level to a time-averaged incident level. Threshold level (absolute value) Light level difference (absolute value) Incorrect operation due to light level change The light level varies due to dirt, temperature variations, or other environmental factors. Detecting differences in the light level enables setting more subtle light level differences. Incident level Incident level Output ON OFF Time Time 2000 1000 Threshold 1 Threshold 2 The counter function can output signal after counter counts up or down. (Advanced External-input Models) Counter Function Highest Level of Stability Stable, Long-term Performance with OMRON's APC Function Many Advanced Functions for Even More Applications Patent Pending Patent Pending Incorrect operation Minute changes are detected reliably. Area output function can be used for range judgement. (Advanced Twin-output Models) Remote input function can control the Sensor remotely. (Advanced External-input Models) Provides high-speed response for miniature workpieces, such as chip parts and devices with short tact times. Operations that required multiple Sensors, such as height measurement, can be performed with just one Sensor. Two threshold levels can be set to easily output within-range and out-of-range outputs. A counter function is built-in, so the number of workpieces can be counted without a sep- arate counter or small PLC that used to be required. Input signals can make various remote settings, such as teaching operations, power tuning, and emitter OFF. This model is ideal for diverse needs, such as checking Sensor operation remotely before operation or making settings remotely because teaching has to be performed often for frequent workpiece model changes. Fastest in the Industry Three kinds of timer functions are supported. The timers can be set between 1 ms and 5 s. A one-shot timer is supported in addition to the ON-delay and OFF-delay timers. The Amplifier's ON time can be fixed, which is useful during high-speed workpiece detection. Discriminating Tablet Lengths Detecting Seals Detecting Leads on Electronic Parts Detecting Chip Components 6 7 This operation mode uses a special OMRON algorithm to compensate for slight light level changes due to dirt or temperature variations and detect only the light level changes due to the workpiece. Area output Incident level Time Counter Time Up Counter Down Counter Counter Counter value Time Threshold level Output when count reaches SV. Output when count reaches 0. Alarm output threshold Alarm output Long-term stability Slight light level changes can be detected with stability and precision, eliminating the need for time-consuming manual ad- justments for light level changes. Compensate for the effects of contaminants and temperature variation with differential operation mode. (Advanced Models) Detecting marks in a dusty environment Detecting knots in thread |
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