Advantech PCI-1761 Instrukcja Użytkownika Pobierz pdf (Strona 8)

PCI-1761 User Manual 2

1.1 Introduction

Thank you for buying the Advantech PCI-1761. The Advantech PCI-1761 is a 8-

channel relay actuator and 8-channel isolated digital input card for the PCI bus. Its

eight on-board SPDT relays are ideal for applications such as device ON/OFF control

or small power switched. For easy monitoring, each relay is equipped with one red

LED to show its ON/OFF status.

The PCI-1761's eight optically-isolated digital input channels are ideal for digital input

in noisy environments or with floating potentials. The following sections of this chap-

ter will provide further information about features, installation guide, together with

some brief information on software and accessories for the PCI-1761 card.

1.2 Features

 8 relay output channels and 8 isolated digital input channels

 LED indicators to show activated relays

 4 Form A-type and 4 Form C-type relay output channels

 Output status read-back

 Keep relay output values when hot system reset

 High-voltage isolation on input channels (3,750 V

)

 High ESD protection (2,000 V

)

 High over-voltage protection (70 V

)

 Wide input range (10 ~ 50 V

)

 Interrupt handling capability

 Board ID

The Advantech PCI-1761 offers the following main features:

Robust Protection

The PCI-1761 digital input channels feature a robust isolation protection for indus-

trial, lab and machinery automation applications. It durably withstands voltage up to

3,750 V

, preventing your host system from any incidental harms. If connected to

an external input source with surge-protection, the PCI-1761 can offer up to a maxi-

mum of 2,000 V

ESD (Electrostatic Discharge) protection. Even with an input volt-

age rising up to 70 V

, the PCI-1761 can still manage to work properly albeit only

for short period of time.

Wide Input Range

The PCI-1761 has a wide range of input voltage from 10 to 50 V

, and it is suitable

for most industrial applications with 12 V

, 24 V

and 48 V

input voltage.

Reset Protection Fulfills Requirement for Industrial Applications

When the system has undergone a hot reset (i.e. without turning off the system

power), the PCI-1761 can either retain outputs values of each channel, or return to its

default configuration as open status, depending on its on-board jumper setting. This

function protects the system from wrong operations during unexpected system

resets.

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