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Sensing & Measurement

LED light source for machine vision

SCHOTT's Fiber Optics Division has debuted the next generation of its LLS (LED Light Source) designed to bring a new level of performance to machine vision devices. This new generation LLS offers several advantages over other types of fiber optic light sources including longer lifetime, low power consumption, small form factor, and very low heat generation. The new version of SCHOTT's LLS generates approximately twice the intensity of light output for all colors (red, green, blue and white) as compared to the previous generation. Ethernet connectivity was added for increased flexibility for machine vision applications.

The new SCHOTT LLS consumes less than 25 watts of power and has a lifetime of up to 50,000 hours. Another new feature is an internal light feedback function, which provides stabilized light output for the most demanding machine vision applications.

The LLS also features a fast triggered strobe mode with a maximum 1KHz pulse rate, maximum pulse width of 1msec, and a duty cycle of 1/10. Light outputs available include red, green, blue and white.

The LLS offers four different modes of control interfaces - a continuous intensity control knob, Ethernet, RS-232 and analog (0 - 5 Volt). The auto-sensing inputs eliminate the need to switch manually between the modes. The unit also features a user control lock-out through Ethernet or RS-232 SCHOTT supplied software. In addition, it possesses a non-volatile memory for storing operating parameters, which allows it to automatically restore operating conditions on power up.