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Article | February 4, 2012
Cognex Corporation: Barcode reader increases read rates
Cognex Corporation’s advanced fixed-mount industrial ID reader, the DataMan 300, is designed to handle the most difficult ID code-reading applications on even the highest speed lines by using new algorithms.
With a new 1DMax+ algorithm, the DataMan 300 dramatically increases barcode read rates and speed. incorporating new “Hotbars” technology. For 2-D matrix and difficult-to-read DPM (Direct Part Mark) codes, reading performance has also been significantly improved from a major upgrade of 2DMax to the 2DMax+ algorithm. With the DataMan 300, set up and deployment is easy, with modular, controllable lighting options and a unique intelligent tuning system.
DataMan 300 series offers two models. The DataMan 300 provides standard resolution of 800 x 600 pixels and the DataMan 302 is the high-resolution model at 1280 x 1024 pixels. The DataMan 302 is designed for reading very small DPM codes on small components to ensure full part traceability. 1DMax+ uses Hotbars technology, which uses texture to locate barcodes at any orientation, and then extracts high-resolution 1-D signals for decoding. The 2-DMax+ offers enhancements in handling damaged codes at high line rates and poorly-marked or extremely-damaged codes. The algorithms both models use allow for very high read rates. The DataMan 300 series also offers the flexibility of integrated and controllable modular lighting and optics. Users can purchase just one model and choose the appropriate lens for their required working distance and field of view. The controllable, field changeable lighting modules allow users to create the best possible lighting for their part, ensuring optimal read rates.
Because 2-D DPM code reading is inherently difficult due to the normal manufacturing processes that parts undergo, the DataMan 300 adds a new tuning feature to help form the best possible image of each part. This intelligent tuning technology automates the settings of the integrated lighting to find the optimal light setup for the part.
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