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AVME9420 Series VMEbus Digital Input Board -- AVME9422-i-L -- View Larger Image
AVME9420 Series VMEbus Digital Input Board -- AVME9422-i-L-Image

These boards provide an economical method for isolating and interfacing DC voltage digital input signals to the VMEbus.

Built-in optocouplers eliminate the expense of external relay panels and simplify installations. Individual channels are optically isolated from each other (channel-to-channel) and from the VMEbus to offer maximum flexibility for field connections.

Interrupts are available on eight front access or P2 channels. This allows the user to take advantage of the VMEbus’s ability to service interrupts for a group of critical channels at high speed.

Input channel debounce circuitry offers a selectable time delay to eliminate false signals resulting from contact bounce commonly experienced with mechanical relays and switches. Optional LEDs provide visual indication of 64 channels’ status.



Product Category
VME, VPX, and VXI Bus Interfaces and Adapters
VME System / Form Factor
Technology
VME

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