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104-AO12-4 - PC/104 Analog Output Board, PC/104 4-channel 12-bit AO, 24 DIO, up to 100KHz, pacer clock, counter timers

Acces I/O

104-AO12-4

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Product Datasheet

This product is RoHS-compliant

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104-AO12-4 PC/104 Analog Output Board 4 channels, 12-bit resolution. Digital Input/Output: 24 parallel bits (two 8 bit ports, two 4 bit ports). Timer/Counter: Type 82C54 (3x16 bit). Two Industry Standard 50 pin header I/O connectors.

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 OUTPUTS

Output ranges of 0-5V, 0-10V, ±5V and ±10V, are field selectable with jumpers. Note that four conversions may take place at once and that, since the D/As are double buffered, data for the next conversion may be loaded simultaneously.

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 (Windows 95/98/Me/NT4/2000/XP and 2003). Full register-level support for use in custom real-time or embedded operating systems.