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L-3 status indicator features no-power hold state

Posted: 09 Sep 2002 ?? ?Print Version ?Bookmark and Share

Keywords:l3 communications? electrodynamics? status indicator? ci75?

The CI75 series of large display status indicators from L-3 Communications/Electrodynamics Inc. features a visible, dual color internal flag that stays magnetically-locked when the indicator coil is pulsed.

Available in single and dual coil models, the 19.05mm (x) display device requires no bulbs or power when latched in either position. The CI75 is targeted at industrial fault warning applications that demand large displays while subjected to outdoor elements.

Standard fault or set display flags are available in orange and red, while the reset color is black.

When the indication coil is energized by a 50ms (or longer) pulse, the color display flips 1800 and latches to the coil core. The display will remain magnetically locked to the core in the position last pulsed. Even if the signal is removed, the indicator will "remember" the signal instruction.

Reset to black is accomplished electrically by pulsing a separate reset coil or by reversing polarity in the single coil unit. The display then remains magnetically locked to the core and remains black.

The case is molded plastic with a clear viewing lens. The indicator panel mounts with a supplied sprint retainer. The device has a minimum lifespan of 10,000 cycles.

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