Advantech USB-4718 User Manual download pdf (Page 7)

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Features

10 kS/s, 12-bit, 8-ch Multifunction

DAQ USB Module

48 kS/s, 14-bit, 8-ch Multifunction

DAQ USB Module

RoHS

COMPLIANT

2002/95/EC

USB-4702

USB-4704

Introduction

USB-4702/4704 are low-cost USB data acquisition modules. You no longer need to open the chassis to install DAQ modules. Just plug in the module, then get the data. It’s easy

and efﬁcient. Reliable and rugged enough for industrial applications, yet inexpensive enough for home projects, USB-4702/4704 are the perfect way to add measurement and control

capability to any USB capable computer. It obtains all required power from the USB port, so no external power connection is ever required. With the features of USB-4702/4704, they

are your most cost effective choice of lab or production line test & measurement tool.

 Supports USB 2.0

 Portable

 Bus-powered

 8 analog input channels

 12-bit (USB-4702), 14-bit (USB-4704) resolution AI

 Sampling rates up to 10 kS/s (USB-4702), 48 kS/s (USB-4704)

 8-ch DI/8-ch DO, 2-ch AO and one 32-bit counter

Speciﬁcations

Analog Input

 Channels 8 single-ended/4 differential (software programmable)

 Resolution USB-4702: Single-ended: 11 bits

Differential: 12 bits

SUB-4704: Single-ended: 13 bits

Differential: 14 bits

 Max. Sampling Rate USB-4702: 10 kS/s max.

USB-4704: 48 kS/s max.

Note: The sampling rate for each channels will be affected by used channel number.

For example, if 4 channels of USB-4702 are used, the sampling rate is 10k/4 = 2.5 kS/s per

channel.

 FIFO Size 512 samples

 Overvoltage Protection 30 Vp-p

 Input Impedance 127 k:

 Sampling Modes Software, onboard programmable pacer, and external

 Input Range (V, software programmable) & Absolute Accuracy

Single Ended ±10 N/A N/A N/A N/A N/A N/A N/A N/A

Differential N/A ±1 ±1.25 ±2 ±2.5 ±4 ±5 ±10 ±20

Absolute

Accuracy

(% of FSR)*

USB-

4702

0.2 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15

USB-

4704

0.15 0.1 0.1 0.1 0.1 0.1 0.1 0.15 0.15

*: ±1 LSB is added as the derivative for absolute accuracy

Analog Output

 Channels 2

 Resolution 12 bits

 Output Rate Static update

 Output Range (V, software programmable) 0~5

 Slew Rate 0.7 V/μs

 Driving Capability 5 mA

 Output Impedance 51 :

 Operation Mode Single output

 Accuracy Relative: ±12 LSB

Differential non-linearity: ±5 LSB

Digital Input

 Channels 8

 Compatibility 3.3 V/5 V/TTL

 Input Voltage Logic 0: 0.8 V max.

Logic 1: 2.0 V min.

Digital Output

 Channels 8

 Compatibility 3.3 V/TTL

 Output Voltage Logic 0: 0.4 V max.@ 4 mA (sink)

Logic 1: 3.5 V min.@ 4 mA (source)

Counter

 Channels 1

 Resolution 32 bits

 Compatibility 3.3 V/TTL

 Max. Input Frequency 5 MHz

General

 Bus Type USB 2.0

 I/O Connector USB-4702: 1 x DB37 female connector

USB-4704: Onboard screw terminal

 Dimensions (L x W) USB-4702: 70 x 70 mm (2.76" x 2.76")

USB-4704: 132 x 80 x 32 mm (5.2" x 3.15" x 1.26")

 Power Consumption Typical: 5 V @ 100 mA

Max.: 5 V @ 500 mA

 Operating Temperature 0 ~ 55°C (32 ~ 131°F)

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

 Storage Humidity 5 ~ 95% RH non-condensing

Ordering Information

 USB-4702-AE 10 kS/s, 12-bit, 8-ch Multi. USB Module

 USB-4704-AE 48 kS/s, 14-bit, 8-ch Multi. USB Module

Accessories

 PCL-10137-1E DB37 Cable, 1m

 PCL-10137-2E DB37 Cable, 2m

 PCL-10137-3E DB37 Cable, 3m

 ADAM-3937-BE DB37 DIN-rail Wiring Board

 1960004544 Wallmount Bracket

 1960005788 VESA Mount Bracket

USB-4704USB-4702

21-7

DAQ Boards

Signal Conditioning

Industrial USB I/O

Modules

1 2 3 4 5 6 7 8 9 10 11 12 13 14

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Advantech USB-4718 User Manual Page 7

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