Advantech PCI-1720 Bedienungsanleitung PDF herunterladen (Seite 6)

2 PCI-1720 User's Manual

1.1 Introduction

The PCI-1720 is an isolated digital-to-analog output card for the PCI

bus. It provides four 12-bit analog output channels with isolation

protection of 2500 V

between the outputs and the PCI bus. This is

ideal for industrial applications where high-voltage protection is

required.

Keeping the Output Settings and Values

after System Reset

Users can set the four outputs independently to different ranges: 0 to

+5 V, 0 to +10 V, ±5 V, ±10 V, 0 to 20 mA (sink) or 4 to 20 mA (sink).

When the system is hot reset (the power is not shut off), the PCI-1720

can either retain the last analog output settings and values, or return

to its default configuration based on the jumper setting. This

practical function eliminates danger caused by misoperation during

unexpected system resets.

PCI-bus Plug and Play

The PCI-1720 uses a PCI controller to interface the card to the PCI

bus. The controller fully implements the PCI bus specification Rev

2.1. All bus relative configurations, such as base address and inter-

rupt assignment, are automatically controlled by software.

1.2 Features

* Four 12-bit D/A output channels

* Multiple output ranges

* 2500 V

isolation between the outputs and the PCI bus

* Keeps the output settings and values after system reset

* One 37-pin D-type connector for easy wiring

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Advantech PCI-1720 Bedienungsanleitung Seite 6