Dataq DI-500 Series Manual de usuario

The way PC-based instrumentation should be

DI-500/510 Series

Portable Analog and Digital I/O System

DI-750/760 Series

Desktop/Rackmount Analog and Digital I/O System

User's Manual

Manual Revision F

Software Release Level 1

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

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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 one year 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.

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DI-500/510 Series and DI-750/760 Series Hardware Manual

Table of Contents

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

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

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

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

Signal Connections ............................................................................................................................ 3

Interface Characteristics .................................................................................................................... 3

Analog Channels ................................................................................................................................ 3

All Analog Inputs .............................................................................................................................. 3

High Level Analog Inputs ................................................................................................................. 3

Signal Conditioned Analog Inputs .................................................................................................... 3

Analog Outputs .................................................................................................................................. 4

Digital Input/Output .......................................................................................................................... 4

Input Scan List ................................................................................................................................... 4

Output Scan List ................................................................................................................................ 4

Triggering .......................................................................................................................................... 4

Power Requirements .......................................................................................................................... 4

Physical/Environmental ..................................................................................................................... 4

3. Getting Started ................................................................................................................................... 5

Unpacking .......................................................................................................................................... 5

Connecting the Instrument to your Computer ................................................................................... 5

Applying Power ................................................................................................................................. 6

Connecting Your Signals ................................................................................................................... 6

Analog Inputs .............................................................................................................................. 7

Connecting a Differential Amplifier ........................................................................................... 7

Ground-referenced Signal Sources ............................................................................................. 7

Signal Cable and the Differential Amplifier ............................................................................... 9

Labeling Analog Input Channels ................................................................................................ 9

Increasing the Total Analog Input Channel Capacity ................................................................. 10

The DI-500 Series Instrument ........................................................................................................... 12

ANALOG INPUTS ..................................................................................................................... 12

SIGNAL CONDITIONING MODULE INTERFACE ............................................................... 12

SIGNAL CONDITIONING MODULE CHANNEL REFERENCE .......................................... 13

PRINTER PORT ......................................................................................................................... 13

STATUS LAMPS ....................................................................................................................... 13

POWER SWITCH ...................................................................................................................... 13

POWER INPUT JACK ............................................................................................................... 13

EXPANSION IN and EXPANSION OUT or AUXILIARY PORT and EXPANSION Conns . 13

Installing the Software ....................................................................................................................... 14

4. Enabling Channels for Acquisition ................................................................................................. 15

DI-500-16 and DI-750-16 Instruments Used Alone .......................................................................... 15

All Other DI-500/510 and DI-750/760 Series Instruments ............................................................... 16

DI-500-16 and DI-750-16 Instruments Used with “Slaves” ....................................................... 16

DI-500-32 and DI-750-32 Instruments ....................................................................................... 18

DI-510-32 and DI-760-32 Instruments ....................................................................................... 19

DI-510-48 and DI-760-48 Instruments ....................................................................................... 20

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DI-500/510 Series and DI-750/760 Series Hardware Manual

Table of Contents

DI-510-64 and DI-760-64 Instruments ....................................................................................... 21

DI-500-32-X and DI-750-32-X Instruments ............................................................................... 22

DI-510-32-X and DI-760-32-X Instruments ............................................................................... 23

DI-510-64-X and DI-760-64-X Instruments ............................................................................... 23

5. 5B Modules ......................................................................................................................................... 25

DI-5B30/31 Analog Voltage Input Modules, Narrow Bandwidth .................................................... 25

DESCRIPTION ........................................................................................................................... 25

Ordering Information .................................................................................................................. 25

DI-5B32 Analog Current Input Modules ........................................................................................... 26

DESCRIPTION ........................................................................................................................... 26

Ordering Information .................................................................................................................. 26

DI-5B33 Isolated True RMS Input Modules ..................................................................................... 27

DESCRIPTION ........................................................................................................................... 27

Ordering Information .................................................................................................................. 27

DI-5B34 Linearized 2- or 3-Wire RTD Input Modules ..................................................................... 28

DESCRIPTION ........................................................................................................................... 28

Ordering Information .................................................................................................................. 28

DI-5B35 Linearized 4-Wire RTD Input Modules ............................................................................. 30

DESCRIPTION ........................................................................................................................... 30

Ordering Information .................................................................................................................. 31

DI-5B36 Potentiometer Input Modules ............................................................................................ 32

DESCRIPTION ........................................................................................................................... 32

Ordering Information .................................................................................................................. 32

DI-5B38 Strain Gage Input Modules, Narrow & Wide Bandwidth ................................................. 33

DESCRIPTION ........................................................................................................................... 33

Ordering Information .................................................................................................................. 34

DI-5B40/41 Analog Voltage Input Modules, Wide Bandwidth ........................................................ 35

DESCRIPTION ........................................................................................................................... 35

Ordering Information .................................................................................................................. 35

DI-5B42 2-Wire Transmitter Interface Modules .............................................................................. 36

DESCRIPTION ........................................................................................................................... 36

Ordering Information .................................................................................................................. 36

DI-5B43 Isolated DC Transducer Amplifier Input Module ............................................................. 37

DESCRIPTION ........................................................................................................................... 37

Ordering Information .................................................................................................................. 37

DI-5B45 Frequency Input Modules .................................................................................................. 39

DESCRIPTION ........................................................................................................................... 39

Ordering Information .................................................................................................................. 39

DI-5B47 Linearized Thermocouple Input Modules ......................................................................... 40

DESCRIPTION ........................................................................................................................... 40

Ordering Information .................................................................................................................. 40

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DI-500/510 Series and DI-750/760 Series Hardware Manual

Introduction

1. Introduction

Congratulations on your purchase of a DI-500/510 or DI-750/760 Series data acquisition/measurement system. These

instruments permit data acquisition on IBM personal computers and compatibles from the Windows environment.

This manual describes how to connect and use the DI-500/510 and DI-750/760 Series instruments. From an opera-

tional point of view, all of the instruments are approximately the same. Throughout the majority of this manual,

enough similarity exists to describe each instrument with the same procedure. The conventions used to describe these

universal applications are “DI-500 Series” (which means that the procedure/information applies equally to the DI-

500-16, DI-500-32, DI-510-32, DI-510-48, DI-510-64, or any of the channel expansion instruments), “DI-750

Series” (applying to the DI-750-16 and DI-750-32) and “DI-760 Series” (applying to the DI-760-32, DI-760-48, and

DI-760-64). In cases where the resemblance is not equal, separate procedures/descriptions exist for each instrument.

Features

The DI-500/510 and DI-750/760 Series offers the following features:

• Complete portability. Connects to the parallel port of any desktop, transportable, notebook, or laptop PC-compat-

ible computer.

• Per channel software-configurable settings: Input gain; Signal Averaging; Input and output measurement range.

• 250kHz burst sampling to minimize channel skew.

• Eight each digital input and output lines.

• A/D subsystem provides 14-bit resolution.

• D/A subsystem provides 14-bit resolution.

• Programmed I/O (PIO) data transfers.

• Signal averaging of up to 32,768 consecutive readings per channel.

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DI-500/510 Series and DI-750/760 Series Hardware Manual

Specifications

2. Specifications

Signal Connections

All portable instruments allow dual-access analog input signal connections. Connect your input signals to the

sheathed banana jacks or to the screw terminals. Digital inputs and outputs are accessible from the 37-pin AUXIL-

IARY PORT connector on DI-500-16, DI-750-16, DI-510-48 and DI-760-48 instruments only.

All desktop and rack-mounted instruments support screw terminal input signal connections only (no sheathed

banana jacks).

Interface Characteristics

Compatible computer architecture Any PC architecture. Connects to computer via the parallel (or printer)

port. Supports standard, bi-directional, or EPP parallel ports.

Analog Channels

DI-500-16, DI-750-16: 16 signal-conditioned channels

DI-500-32, DI-750-32: 32 high-level channels

DI-510-32, DI-760-32: 32 signal-conditioned channels

DI-510-48, DI-760-48: 16 signal-conditioned channels and 32 high-level channels

DI-510-64, DI-760-64: 64 high-level channels

(Note: all instruments are expandable to 240 channels)

All Analog Inputs

Analog resolution 14-bit, 1 part in 8192

Sample throughput rate

standard parallel port: 40,000 samples/second max

bi-directional parallel port: 80,000 samples/second max

enhanced parallel port (EPP): 250,000 samples/second max

Gain ranges 1, 2, 4, 8 (software selectable per channel)

Isolation 300V channel-to-channel; 600V input-to-output

High Level Analog Inputs

Type Differential

Measurement range full scale (intended) ±10VFS @ Av=1

Maximum analog input without damage 30V

Common mode rejection 80 db min @ Av=1

Gain accuracy < 0.05%

Input offset voltage ±5 ADC counts

Input settling time 4µs to 0.01% at all gains

Input impedance 30kΩwith power on; 20kΩwith power off

Signal Conditioned Analog Inputs

Measurement range full scale ±5V if DI-5B module is bypassed - otherwise defined by DI-5B module

All other specs Defined by DI-5B modules (module dependent)

Maximum analog input without damage 240V

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DI-500/510 Series and DI-750/760 Series Hardware Manual

Specifications

Analog Outputs

Number of channels Two

Resolution 14-bit; 1 part in 8192

Update rate 500,000 samples/second max

Output voltage ranges ±10V

Current drive/impedance ±5mA/0.3Ω

Output settling time to 0.01% 4µs

Digital Input/Output

Capacity 8 each input and output

Compatibility TTL compatible

Max source current 0.4mA @ 2.4V

Max sink current 8mA @ 0.5V

Digital input termination 4.7kΩpull-up to +5VDC

Input Scan List

Capacity 240 elements

Output Scan List

Capacity 16 elements

Triggering

Pre-trigger length 64k samples

Post-trigger length 64k samples

Trigger channel Any channel

Trigger level hysteresis 8-bit (256 counts)

Power Requirements

DI-500 and DI-750 Series instruments 700mA @ 12VDC typical, excluding 5B modules

DI-510 and DI-760 Series instruments 1000mA @ 12VDC typical, excluding 5B modules

Power supply voltage range 9 to 36VDC

Physical/Environmental

Box dimensions Portable Models: 15¼"D by 19½"W by 7½"H (500 models)

20½"D by 24"W by 8¼"H (510 models)

Desktop Models: 16.7"D by 16.88"W by 3.5"H (both models)

I/O connector 1 male, 1 female 37-pin D-type

Operating environment

Component temperature: 0º to 70º C

Relative humidity: 5% to 90% non condensing

Storage environment Temperature: -55º to 150º C

Relative humidity: 5% to 90% non condensing

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