Dataq DI-1110 Manual de usuario

The way PC-based instrumentation should be

DI-1110

8-Channel USB Data Acquisition Starter Kit

User's Manual

Manual Revision C

DATAQ Instruments, Inc., except as otherwise indicated and shall not be reproduced, transmitted, transcribed, stored

in a retrieval system, or translated into any human or computer language, in any form or by any means, electronic,

mechanical, magnetic, optical, chemical, manual, or otherwise without expressed written authorization from the com-

pany. The distribution of this material outside the company may occur only as authorized by the company in writing.

DATAQ Instruments' hardware and software products are not designed to be used in the diagnosis and treatment of

humans, nor are they to be used as critical components in any life-support systems whose failure to perform can rea-

sonably be expected to cause significant injury to humans.

DATAQ Instruments, Inc.

241 Springside Drive

Akron, Ohio 44333 U.S.A.

Telephone: 330-668-1444

Fax: 330-666-5434

Designed and manufactured in the

United States of America

iii

Warranty and Service Policy

Product Warranty

DATAQ Instruments, Inc. warrants that this hardware will be free from defects in materials and workmanship under

normal use and service for a period of 90 days from the date of shipment. DATAQ Instruments' obligations under this

warranty shall not arise until the defective material is shipped freight prepaid to DATAQ Instruments. The only

responsibility of DATAQ Instruments under this warranty is to repair or replace, at its discretion and on a free of

charge basis, the defective material.

This warranty does not extend to products that have been repaired or altered by persons other than DATAQ Instru-

ments employees, or products that have been subjected to misuse, neglect, improper installation, or accident.

DATAQ Instruments shall have no liability for incidental or consequential damages of any kind arising out of the

sale, installation, or use of its products.

Service Policy

1. All products returned to DATAQ Instruments for service, regardless of warranty status, must be on a freight-pre-

paid basis.

2. DATAQ Instruments will repair or replace any defective product within 5 days of its receipt.

3. For in-warranty repairs, DATAQ Instruments will return repaired items to the buyer freight prepaid. Out of war-

ranty repairs will be returned with freight prepaid and added to the service invoice.

DI-1110 Hardware Manual

Table of Contents

Warranty and Service Policy ................................................................................................................ iii

1. Introduction ........................................................................................................................................ 1

Features .............................................................................................................................................. 1

Analog Inputs .................................................................................................................................... 1

Digital Inputs ..................................................................................................................................... 1

Software ............................................................................................................................................. 1

WinDaq Dashboard ..................................................................................................................... 2

WinDaq® Recording and Playback Software ............................................................................ 2

Help ............................................................................................................................................. 2

2. Specifications ...................................................................................................................................... 3

3. Installation .......................................................................................................................................... 5

Install WinDaq Software ................................................................................................................... 5

Connect the Instrument to Your Computer ....................................................................................... 6

4. Controls, Indicators, and Connections ............................................................................................. 7

Mini-B USB Connection ................................................................................................................... 7

Screw Terminals ................................................................................................................................ 7

DI-1110 Signal Connections ....................................................................................................... 8

Connecting Signal Leads ............................................................................................................ 8

Analog Inputs .............................................................................................................................. 9

Digital Ports ................................................................................................................................ 9

WinDaq Remote Events (Evnt/D0) ...................................................................................... 10

WinDaq Remote Storage (Rcrd/D1) .................................................................................... 12

WinDaq Rate (Rate/D2) ....................................................................................................... 12

WinDaq Counter (Cnt/D3) ................................................................................................... 14

General Purpose Digital Inputs ............................................................................................ 16

General Purpose Digital Outputs .......................................................................................... 17

4-20mA Current Loop Measurements ............................................................................................... 18

LED Indicator .................................................................................................................................... 19

5. Unlock WinDaq .................................................................................................................................. 21

6. Dimensional Drawing ......................................................................................................................... 23

DI-1110 Hardware Manual

Introduction

1. Introduction

This manual contains information designed to familiarize you with the features and functions of the DI-1110 USB

data acquisition starter kit. These high-end Starter kits contain features and functionality normally reserved for more

expensive data acquisition systems.

Features

The DI-1110 data acquisition instrument is a portable data recording module that communicates through your com-

puter's USB port. Power is derived from the interface port so no external power is required. Features include:

• 4 or 8 fixed differential analog inputs protected to ±100V (transient).*

• ±10V full scale measurement range.

• 12-bit analog-to-digital resolution.

• 7 digital ports* protected to +25V: Two dedicated for WINDAQ remote control operations; One dedicated to

WINDAQ rate measurements; and One dedicated to WINDAQ counter measurements.

• Up to 160 kHz maximum throughput sampling rate.

• A push-button to tag remote events in WINDAQ software.

• LED indication for easy notification of system status.

• Free WinDaq/Lite data acquisition recording software.

• Included .Net Class supports programming the DI-1110 under any .Net programming language.

• Fully documented instrument protocol for programming the device in operating systems other than Windows.

* WinDaq/Unlock required to record more than four total channels when using WinDaq software.

Analog Inputs

The DI-1110 features eight differential channel inputs (WinDaq/Unlock required to record more than four total chan-

nels when using WinDaq software) located on a single sixteen-position screw terminal block for easy connection and

operation (other terminals used for digital I/O or reserved). Note: The DI-1110 does not support Gain.

Utilize the functionality of WINDAQ software to experience all the features encased in these small, inexpensive

instruments.

Digital Inputs

The DI-1110 contains seven digital ports (WinDaq/Unlock required to record more than four total channels when

using WinDaq software), which may be used as a general-purpose digital inputs or for a specific function as desig-

nated on the device. Digital port D0 is reserved for WinDaq Events; Digital port D1 is reserved for WinDaq remote

Start/Stop; Digital port D2 is reserved for rate measurements; Digital port D3 is reserved for counts; Please Note:

Digital outputs are not supported in WinDaq software. Each port may be configured as a switch using third-party

software.

Software

All software required to record and playback waveforms is included with the purchase of any DI-1110 data acquisi-

tion starter kit via download.

DI-1110 Hardware Manual

Introduction

WinDaq Dashboard

The WinDaq Dashboard utility allows you to start WinDaq software with your Dataq devices. Units available for syn-

chronized recording using ChannelStretch™ are shown in compatible blocks of devices (the DI-1110 does not sup-

port ChannelStretch or stand-alone data logging).

WINDAQ®Recording and Playback Software

WINDAQ Acquisition and WINDAQ Waveform Browser allow you to record and playback data acquired through your

instrument. WINDAQ software is an invaluable resource to record and analyze your data and is available for free from

our web site (www.dataq.com).

WINDAQ Acquisition software can be used to record waveforms directly and continuously to disk while monitoring a

real time display of the waveforms on-screen. It operates, displays, and records waveform signals in real time at the

full sample rate of the DI-1110.

WINDAQ Waveform Browser playback software (also known as “WWB”) offers an easy way to review and analyze

acquired waveforms. A built-in data file translator allows the user to display multiple waveforms acquired by

WINDAQ Acquisition software or any of a wide range of data acquisition packages. The software’s disk-streaming

design allows data files of any length to be graphically displayed rapidly, in normal or reverse time directions. Seven

standard cursor-based measurements, frequency domain, and statistical analysis functions help simplify waveform

analysis and interpretation. WINDAQ Waveform Browser is free and installed when installing WINDAQ Software.

Help

All WINDAQ software utilizes context-sensitive help. Help may be accessed through the Help menu or by pressing

the F1 key with any pull-down menu item selected. This will take you directly to the Help topic most relevant to that

particular function or feature. Help topics discuss in detail each function available in the software.

DI-1110 Hardware Manual

Specifications

2. Specifications

Analog Inputs

Number of Channels: 8

Channel Configuration: Differential

Full Scale Range: ±10 V

Input impedance: 1M

Absolute accuracy:

@ 25°C, excluding common mode error

±12.5 mV @ 25°C

Absolute maximum input without damage:

±75 V peak, continuous

±100 V peak, one minute or less

System noise: 7.8 mV rms

Max common mode voltage: ±10 V

Common mode rejection ratio: 40 dB (dc - 60 Hz)

Channel-to-channel crosstalk rejection: -80 dB

Digital Ports

Number of Ports: 7

Type: MOSFET switch

Configuration: Programmable as digital input or switch

Programmed as a Switch

Maximum drain voltage: 25 V

Maximum sink current: 100 mA

Count/Rate/Inputs

Internal pull-up value: 4.7 k

Input high voltage threshold: 2.4V

Input low voltage threshold: 0.8V

Terminal count: 65,535

Maximum rate frequency: 50 KHz with one enabled channel, 20 KHz with 2-4 enabled channels, 10

KHz with 5-8 enabled channels, else 5 KHz.

Minimum rate frequency: 0.5Hz

Maximum count frequency: 50 kHz

Absolute maximum applied voltage (V): +25V

Reserved Digital Inputs

D0: WINDAQ remote events

D1: WINDAQ remote start/stop

D2: Rate input

D3: Count input

DI-1110 Hardware Manual

Specifications

ADC Characteristics

Resolution: 12-bit

Above zero ADC counts: 2,047

Below zero ADC counts: 2,048

Voltage resolution (excluding noise): 4.86 mV

4-20 mA resolution (excluding noise): 818 adc counts with 250 shunt

Max. sample throughput rate: 160 kHz

Min. sample throughput rate: Hardware only: 20 Hz

WinDaq software: 2.2 samples per hour

Sample rate timing accuracy: 50 ppm

Indicators and Connections

Interface: USB 2.0 (mini-B style connector)

Indicator light: 3 LEDs; Power, Active, Event

Input connections: Two 16-position screw terminal strips

Power

Power Consumption: <1.0 Watt, via USB interface

Environmental

Operating Temperature: 0°C to 50°C (32°F to 122°F)

Operating Humidity: 0 to 90% non-condensing

Storage Temperature: -20°C to 60°C (-4°F to 140°F)

Storage Humidity: 0 to 90% non-condensing

Physical Characteristics

Enclosure: Polycarbonate ABS, 0.080 inch thickness

Mounting: Desktop; bulkhead

Dimensions: 2.625D × 5.5W × 1.53H in.

(6.67D × 13.97W × 3.89H cm.)

Weight: 5.7 oz. (162 grams)

Software Support

WINDAQ software: OS support: Check online at http://www.dataq.com/products/windaq/

windows-compatability/

Programming: DATAQ .NET Class, Instrument protocol, ActiveX Control

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