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104-AI12-8 - PC/104, 8-in 12-bit D/A, 24 DIO, up to 100KHz, pacer clock, counter timers

Acces I/O

104-AI12-8

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Product Datasheet

This product is RoHS-compliant

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104-AI12-8 PC/104 Analog Input Board, 8 channels, 12-bit resolution. Digital Input/Output: 24 parallel bits (2-8 bit ports, two 4 bit ports).

FLEXIBILITY

The following functions are available in many configurations giving the user the ability to specify exactly what inch™s needed. Interrupts are individually or globally enabled or disabled via software. A status register is provided to determine the interrupt source.

ANALOG INPUTS

The Analog Inputs feature software programmable gain with ranges of 0-5V, 0-10V, ±5V, and ±10V. The configuration employs an instrumentation pre-amplifier per channel which allows for differential inputs, 200V Common Mode Rejection, high input impedance, and optional factory channel by channel pre-settable gain (1-200) to accommodate low-level inputs from sensors. Inputs 4-20mA are available as a factory-installable option.

COUNTER TIMERS

The circuit uses an 82C54 (3 sixteen bit counter/timers). The user has access to each counter/timer inch™s gate, clock, and output signals. The output of counter two can be used to generate an interrupt. The software package supports counting events, frequency output, pulse and frequency measurement.

DIGITAL I/O

The circuit uses an 82C55A PPI with mode 0 supported. Ports A and B (16 lines) are buffered and pulled up to 5V. Port C features Change of State detection.

SOFTWARE

The package includes a setup program detailing all jumper settings. Also included are IRQ drivers, samples for DOS, and utilities for Windows operating systems (XP/2003/2008/7/8/8.1). Full register-level support for use in custom real-time or embedded operating systems.