Omega-engineering OME-A8111 Manual do Utilizador descarregar pdf (Página 6)

1. Introduction

1.1 General Description

The OME-A-8111 is a high performance, multifunction (analog and digital I/O) board

for the PC AT compatible computer with the ISA bus. The OME-A-8111 provides

programmable gain (1, 2, 4, 8 and 16). The OME-A-8111 contains a 12-bit ADC with up to 8

single-ended analog inputs. The maximum sample rate of the A/D converter is about 30K

sample/sec. There is a 12-bit DAC with voltage outputs, 16 channels of TTL-compatible

digital input, and 16 channels of TTL-compatible digital output.

1.2 Features

z The maximum sample rate of the A/D converter is about 30 K sample/sec

z Software selective input ranges

z PC AT compatible ISA bus

z A/D trigger mode: software trigger, pacer trigger

z 8 single-ended analog input channels:

Programmable gain: 1, 2, 4, 8, 16

Input range: ±5 V, ±2.5 V, ±1.25 V, ±0.625 V, ±0.3125 V

z 1 output channel: 12-bit D/A voltage output, 0~5 V or 0~10 V

z 16 digital inputs /16 digital outputs (TTL compatible)

z Interrupt handling

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