Advantech USB-4718 Manual do Utilizador descarregar pdf (Página 14)

Industrial USB I/O Modules

18-14

Features

RoHS

COMPLIANT

2002/95/EC

USB-4761

8-ch Relay and 8-ch Isolated

Digital Input USB Module

Speciﬁcations

Isolated Digital Input

 Channels 8

 Input Voltage Logic 0: 2 V max.

Logic 1: 5 V min. (30 V max.)

 Isolation Protection 2,500 V

 Opto-Isolator Response 25 μs

Relay Output

 Channels 8

 Relay Type SPDT (8 x Form C)

 Contact Rating 240 V

@ 0.25 A, or 30 V

@ 1 A

 Relay on Time 5 ms max.

 Relay off Time 4 ms max.

 Life Span 2 x 10

 Resistance Contact: 50 mΩ

Insulation: 1 GΩ min. (at 500 V

)

General

 Bus Type USB 1.1/2.0

 I/O Connectors Onboard screw terminal

 Dimensions (L x W x H) 132 x 80 x 32 mm

 Power Consumption Typical: 5 V @ 60 mA

Max.: 5 V @ 400 mA

 Operating Temperature 0 ~ 60° C (32 ~ 140° F) (IEC 68-2-1, 2)

 Storage Temperature -20 ~ 70° C (-4 ~ 158° F)

 Storage Humidity 5 ~ 95 % RH, non-condensing (IEC 68-2-3)

Ordering Information

 USB-4761 8-ch Relay/Isolated Digital Input USB Module

 1960004544 Wallmount Bracket

 1960005788 VESA Mount Bracket

Introduction

The USB-4761 is a relay actuator and isolated digital input module for USB bus. It provides 8 optically-isolated digital inputs with isolation protection of 2,500 V

for collecting

digital inputs in noisy environments and 8 relay actuators for serving as on/off control devices or small power switches. For easy monitoring, each relay is equipped with one red LED

to show its on/off status. The USB-4761’s eight optically-isolated digital input channels are ideal for digital input in noisy environments or with ﬂoating potentials.

Rugged Protection

The USB-4761 digital input channels feature a rugged isolation protection for industrial, lab and machinery automation applications. It durably withstands voltage up to 2,500 V

protecting your host system from any incidental harms. If connected to an external input source with surge-protection, the USB-4761 can offer up to a maximum of 2,000 V

ESD

(Electrostatic Discharge) protection.

 Compatible with USB 1.1/2.0

 Portable

 Bus-powered

 8 relay output channels and 8 isolated digital input channels

 LED indicators to show activated relays

 8 Form C type relay output channels

 High-voltage isolation on input channels (2,500 V

)

 High ESD protection (2,000 V

)

 Wide input range (5 ~ 30 V

)

 Interrupt handling capability

 Detachable screw terminal on modules

 Suitable for DIN-rail mounting

 One lockable USB cable for secure connection included

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