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Summary of Contents for EMX Industries CNTX Series
- Page 1 CNTX C o n t r a s t S e n s o r 4564 Johnston Parkway, Cleveland, Ohio 44128 P. 800 426 9912 F. 216 518 9884 Sales Inquiries: salessupport@emxinc.com Technical Support: technical@emxinc.com www.emxinc.com...
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Page 2: Table Of Contents
Contents Cautions and Warnings Product Overview Specifications Operation Controls and Indicators Connections Ordering Information CNTX Operating Instructions Document no. 10140104... -
Page 3: Cautions And Warnings
Cautions and Warnings SET-UP DISTANCE ADJUSTMENT: As a general rule, the sensor should be fixed at a 15° to 20° angle from directly perpendicular to the target surface. This will prevent direct reflected signal from glossy surfaces. To obtain maximum tolerance to distance variation, place the target at the greatest distance it is likely to be in the application, for example, flat against a guide surface. -
Page 4: Product Overview
Product Overview The CNTX sensor combines small spot size and fast response to achieve high-speed contrast detection capable of detecting a wide variety of marks and objects. The CNTX effectively detects contrast differences between many colors on various surfaces over a range of 50 grayscale levels. modulated white light source in the CNTX is focused to a 2.5 to 3mm spot and directed toward a target. -
Page 5: Specifications
Specifications Specifications White light source Broad spectrum LED. Min. 100.000 hours Sensing distance 26mm Spot size (dia.) 0.5 or 3mm Depth of field +/- 3mm from focal point (approx 28mm) Response time 25uS Switching Frequency 40kHz LED Intensity 3 Levels Relative Intensity Display Range 00 to 50 Sensitivity... -
Page 6: Operation
Operation QUICKSTART GUIDE 1. The display range is 00 through 50. The decimal points indicate the LED intensity level. The RED LED above the display indicates that the intensity level exceeds the threshold setting. 2. Connect cable to power supply observing correct polarity. Reference wiring diagram. 3. - Page 7 Operation (Continued) Threshold When the relative intensity level exceeds the threshold setting the red status LED will turn on and the discrete output will activate, indicating detection of the target. When the relative intensity level drops below the threshold (as determined by the hysteresis setting), the red LED will extinguish and the discrete output will de-activate.
- Page 8 Operation (Continued) Discrete Output Configuration This setting allows the user to select either normal open (no) or normally closed (nc) configuration. The normally open configuration de-activates the output during normal un- detect operation, and activates the output upon detect. The normally closed configuration activates the output during normal un-detect operation, and de-activates the output upon detect.
- Page 9 Operation (Continued) Teach Function The teach function allows the user to set the threshold by placing a representative target located at the required distance and allowing the sensor to determine the optimum LED intensity and setting of the threshold level. 1.
- Page 10 Operation (Continued) Analog Output The analog output is 0-5V with 20mV resolution (8-bit). Any standard analog input channel typically available on a PLC may monitor this output. The analog output signal is useful in applications where simply triggering on the threshold is insufficient. For example, constant real-time monitoring of intensity in process allows minor fluctuations or trends to be detected permitting corrective action to be taken.
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Page 11: Controls And Indicators
Controls and Indicators Indicators Green LED Threshold Mode while in Undetect Red LED Detect Yellow LED Threshold Mode while in Detect Display decimal points None illuminated LED low intensity One illuminated LED medium intensity Two illuminated LED high intensity CNTX Operating Instructions Document no. -
Page 12: Connections
Connections M12 Connector Wire Color Description Pin 1 Brown Power 10 to 24VDC Pin 2 White Discrete output, PNP/NPN, NO/NC Pin 3 Blue Ground Pin 4 Black Analog (0-5V) Pin 5 Yellow Remote lock CNTX Operating Instructions Document no. 10140104... -
Page 13: Ordering Information
Ordering Information CNTX-30-0 Contrast sensor, 3mm spot size CNTX-05-0 Contrast sensor, 0.5mm spot size Accessories UVX300-BRKT UVX 300-C Bracket 5 meter cable with M12 5-pin connector CNTX Operating Instructions Document no. 10140104... - Page 14 EMX Industries option of a part or parts found not conforming to the warranty. In no event shall EMX Industries Inc. be liable for damages, including but not limited to damages resulting from non-conformity, defect in material or workmanship.
- Page 15 4564 Johnston Parkway Cleveland, Ohio 44128 United States of America www.emxinc.com Technical Support: (216) 834-0761 technical@emxinc.com Sales: (216) 518-9888 Fax: (216) 518-9884 salessupport@emxinc.com CNTX Test Pattern Revision 1.6 3.7.2018 CNTX Operating Instructions Document no. 10140104...
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