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PC/104 Digital Boards Provide 48 Isolated Digital Outputs

Tue, 07/17/2007 - 9:27am

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ACCES I/O’s 104-DID-48 Series PC-104 isolated digital I/O boards feature 48 individually optically isolated digital inputs and are suited for use in control and instrumentation applications where high-voltage protection is required. Individual channel-to-channel isolation allows every channel to be physically and electrically separated from the others. Enabled inputs feature a change-of-state detection capability (denoted by a "C" at the end of the model number) which provides a means to automatically interrupt the host computer in real time. When one or more input bits change state, an interrupt is generated to automatically wake up your application. This can greatly simplify an application program and eliminate the need to continuously poll inputs. Each input is rectified by photo-coupler diodes, and is therefore polarity-insensitive - positive, negative, and AC voltage inputs are all acceptable. Zero crossings and glitches are eliminated by input filters. The input range is up to 60V DC or ACrms at frequencies of 40 Hz to 10 kHz.


ACCES I/O
858-550-9559, www.accesio.com

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