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Channel Link RS-644 Advances as Standard

Photonics Spectra
May 2000
Fourteen machine vision manufacturers met in Rosemont, Ill., to create a camera-to-frame-grabber cable and connector standard. The meeting, which was hosted by Pulnix America Inc. of Sunnyvale, Calif., focused on the adoption of Santa Clara, Calif.-based National Semiconductor's Channel Link RS-644 low-voltage differential signaling technology. The companies hope that adoption of the standard will simplify production and improve customer support.

Channel Link allows data rates of more than 400 Mb/s with a differential output of 250 to 450 mV. With clock support of 66 MHz, the technology improves signal transmission cable length by 30 to 100 ft and reduces electromagnetic interference.

machine vision
Interpretation of an image of an object or scene through the use of optical noncontact sensing mechanisms for the purpose of obtaining information and/or controlling machines or processes.
Businesslight speedmachine vision

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