Digital CMOS Laser Sensor detects hard-to-see targets.
November 9, 2007 -
Designed for automatic, in-line sensing, GV Series uses DATUM Algorithm to stably detect shiny targets with multiple reflections as well as light absorbing materials. This tri-modal, optical triangulation sensor detects target presence/absence based on surface characteristics or target height and provides GO/NG output. Up to 4 sets of sensors and amplifiers can be utilized for each application. IP67-rated series includes models with detection ranges of 1.77, 5.12, 17.72, and 39.37 in.
Datum Algorithm Increases Laser Sensor's Detection Reliability
The Keyence GV Series Digital CMOS Laser Sensor uses a newly developed, innovative DATUM Algorithm to stably detect targets that conventional sensors cannot reliably detect. The GV, an optical triangulation sensor, excels in detecting shiny targets with multiple reflections as well as light absorbing materials such as black rubber.
Designed for automatic, in-line sensing applications, the GV detects target presence or absence based on surface characteristics or target height and provides a GO/NG output. Up to four sets of sensors and amplifiers can be utilized for each application. The GV Series includes four IP67 rated sensor head models with detection ranges of 45mm (1.77"), 130mm (5.12"), 450mm (17.72") and 1000mm (39.37").
The GV uses a larger CMOS pixel size than conventional systems. This enables the sensor to receive a greater quantity of light resulting in highly stable detection and faster response speeds. The GV DATUM Algorithm utilizes an innovative calibration technique in which the received light waveform pattern from a target or background is used to set upper and lower received light limits. Detection is stable even when the targets are moving or the background is unstable causing conditions where the target-to-sensor distance varies.
Three detection modes are selectable on the GV Amplifier: An Edge Hold Mode (patent pending) detects sudden changes in workpiece height, a Surface Detection Mode detects the nearest surface, and a Clamp Function which ignores targets too close to the sensor head.
The GV Series Amplifier panel incorporates a dynamic, multi-segment bar LED display. The number of Individual LED bars that display red or green confirm the instantaneous detection status. Bars display green when detection is within limits. The number of red bars increase when detection is nearing or is out of the calibration range. For GV Sensor details, specs and applications click here: www.keyence.com/prs
For further information, contact Phil Melore, Engineering Manager, Keyence Corporation of America, 50 Tice Boulevard, Woodcliff Lake, NJ 07677. Tel: 888-539-3623 ext 70703, Fax: 201-930-1883 Email: KeyencePR@keyence.com
Contacts:
Engineering:
Phil Melore Engineering Manager
USA
Phone: 888-539-3623 ext 70703
FAX: 201-930-1883 E-mail this person Company Information: Name: Keyence Corporation of America Address: 50 Tice Boulevard City: Woodcliff Lake State: NJ ZIP: 07675 Country: USA Phone: 201 930 1400 FAX: 201 930 1883 http://www.keyence.com
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