Cognex debuts Checker 200 inspection sensors
-- Test & Measurement World, 5/15/2007 6:51:00 AM
Cognex has announced its next-generation Checker inspection sensors—the Checker 200 models, which offer built-in lighting, variable working distance, and inspection rates faster than 6000 parts per minute.
The new Checker can detect parts by finding an actual feature such as a product graphic, can find features such as a code printed on a label, can inspect multiple part features simultaneously, and can accommodate varying part positions on a line without requiring precise part handling. All Checker 200 sensors feature an IP67 housing and quick disconnect cables as well as USB connectivity. The Checker 200 series includes the Checker 201 for part finding and inspection and the Checker 202, which adds ladder-logic capability to support custom configurations. Base price: $1495.
“Checker 101 set the standard for inspection sensors and eliminated the hassles associated with wiring and precisely mounting multiple photoelectric sensors,” said Justin Testa, Cognex senior VP and group business manager. “The Checker 200 series is small, smart, simple, and powerful enough to solve even more challenging sensing applications, and delivers extremely reliable inspection results. They are ideal for food, beverage, and consumer product package inspection and automotive and electronics part inspection.”
Cognex positions the Checker line within the “inspection sensors” category, which an end user can deploy to solve detection and checking problems (but not gauging). Inspection sensors typically feature simple optical and lighting configurations and generate pass/fail signals. They can replace limit switches as well as photoelectric, inductive, and other sensors.
In contrast, products in the “machine vision” category typically offer a range of optics and lighting options and generally require a systems integrator to deploy. Machine-vision systems typically generate data that must be post-processed; they solve GIGI (guidance, inspection, gauging, identification) problems.
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