Dataq DI-725/E, DI-78B, DI-75B, DI-720-USB, DI-730-EN User Manual

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The way PC-based instrumentation should be

DI-720 Series

32 Channel USB, Ethernet, or Printer Port Data Acquisition System

DI-722 Series

Extended Measurement Range Data Acquisition System

DI-730 Series

High Voltage Range Data Acquisition System

DI-725/E

Channel Expander

DI-78B

8B Module Channel Expander

DI-75B

5B Module Channel Expander

User's Manual

Manual Revision AJ

Copyright © 2009 by DATAQ Instruments, Inc. The Information contained herein is the exclusive property of 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 company. 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 reasonably be expected to cause significant injury to humans.

DATAQ, the DATAQ logo, and W

241 Springside Dr.

Akron, Ohio 44333 U.S.A.

Telephone: 330-668-1444

Fax: 330-666-5434

Designed and manufactured in the

United States of America

M-100763

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 Instruments 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-prepaid 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 freigh t prep aid. Out of wa rranty repairs will be returned with freight prepaid and added to the service invoice.

CAUTION

Device

Under

Test

Signal +

Signal -

Common

Digital Voltmeter

Data

Acquisition

Device

To PC

Ground

READ BEFORE CONNECTING INPUT SIGNALS

The data acquisition device you have purchased and are about to use contains input channels that are NOT ISOLATED (all channels on DI-72x products are not isolated; only the expansion channels of DI-730 instruments are not isolated). This means that it is susceptible to common mode voltages that could cause damage to the device. SUCH DAMAGE IS NOT COVERED BY THE PRODUCT’S W ARRANTY. Please read the following carefully before

deploying the product. Contact DATAQ Instruments Support at 330-668-1444 for all questions. This product can tolerate a maximum applied voltage of only ±20V peak without damage. Although you may be cer-

tain that the signal you want to measure is lower than this level, a common mode voltage (CMV) with an unknown value may combine with your signal of interest to exceed this ±20V limit. In such instances, the product will be damaged. Verify a CMV does not exist before connecting signals and acquiring data with your device. Use the following procedure to check for CMV:

1. DO NOT connect your data acquisition device to the device under test. If the device under test is connected to your data acquisition device, disconnect it.

2. Connect your data acquisition device to the appropriate interface on your PC (USB, Ethernet, RS-232 Serial, or Parallel Printer Port).

3. Apply power to your data acquisition device, your PC, and the device under test.

4. Use a digital voltmeter to make the following measurements: a. Measure the voltage (both the AC and DC range) between the ground terminal of your data acquisiti on

device and Signal+ of the device under test. This measurement should not exceed the Full Scale Range of your data acquisition device.

b. Measure the voltage (both the AC and DC range) between the ground terminal of your data acquisition

device and Signal- of the device under test. This measurement should be at or very near 0 Volts.

c. Measure the voltage (both the AC and DC range) between the ground terminal of your data acquisiti on

device and Common of the device under test. This measurement should be at or very near 0 Volts.

5. Should ANY of these measurements exceed their recommendation DO NOT CONNECT SIGNALS to the data acquisition device. A common mode voltage may exist that could destroy the instrument. You MUST determine the source of the CMV and eliminate it before taking any measurements.

Measured signal is not to exceed the Full Scale Range of your data acquisition device.

Measured signal must be at or very near 0 volts.

Connect to AGD (Analog Ground) port on DI-72x (all input channels), and DI-730 (expansion channels only) instruments.

DI–720/DI–722/DI–730 Series User Manual

Table of Contents

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

CAUTION ........................................................................................................................................... v

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

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

Analog Input ...................................................................................................................................... 1

Analog Output ................................................................................................................................... 2

Digital Input and Output (DI-720 Series Only) ................................................................................. 2

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

3. Getting Started ................................................................................................................................... 7

Unpacking .......................................................................................................................................... 7

Applying Power to the DI-7xx Series Instrument ............................................................................. 7

Printer Port Instrument Installation ................................................................................................... 8

USB Instrument Installation .............................................................................................................. 10

Ethernet Instrument Installation ........................................................................................................ 12

Installing an Ethernet Device Directly Connected to your PC or Connected via a Hub/Switch where

ONLY DI-72x, DI-730, or DI-78x Products are Installed .......................................................... 13

Installing an Ethernet device via a distributed network without a DHCP server where one or more DATAQ Instruments devices will coexist with other Ethernet devices, and where static IP address

are individually assigned ............................................................................................................. 15

Installing an Ethernet device via a distributed network with a DHCP server ............................. 17

Connecting your Ethernet Instrument to your PC or Network ................................................... 17

Installing WinDaq software for Ethernet Products ..................................................................... 18

Daisy-Chaining Multiple Ethernet Products ............................................................................... 19

TCP/IP Manager (Ethernet Models Only) .................................................................................. 20

WinDaq Waveform Navigator (Ethernet models only) .............................................................. 21

4. Instrument Controls, Indicators, and Connectors .......................................................................... 23

DI-720 Series Instrument Front Panel ............................................................................................... 23

DI-722 Series Instrument Front Panel ............................................................................................... 25

DI-730 Series Instrument Front Panel ............................................................................................... 27

DI-720, DI-722, and DI-730 Series Instrument Rear Panel .............................................................. 28

5. Calibration Verification ..................................................................................................................... 31

Required Equipment .......................................................................................................................... 31

A/D Calibration (For DI-720, DI-722, and DI-730 Series Instruments) .................................... 31

D/A Calibration (DI-720 Instruments Only) ............................................................................... 31

A/D Calibration Verification (DI-720, DI-722, and DI-730 Series Instruments) ............................. 31

D/A Calibration (DI-720 Series Only) .............................................................................................. 32

Offset Calibration Verification (DI-720 and DI-722 Instruments Only) .......................................... 33

Full Scale (Span) Calibration Verification (DI-720 and DI-722 Instruments Only) ......................... 33

Offset Calibration Verification (DI-730 Instruments only) ............................................................... 34

Full Scale (Span) Calibration Verification (DI-730 Instruments Only) ............................................ 34

6. Block Diagram..................................................................................................................................... 35

DI-720 Series ..................................................................... ................................................................ 35

DI-722 Series ..................................................................... ................................................................ 36

DI-730 Series (Analog Input) ............................................................................................................ 37

Ethernet Instruments .......................................................................................................................... 38

Table of Contents

vii

DI–720/DI–722/DI–730 Series User Manual

7. Accessories .......................................................................................................................................... 39

The DI-705: Signal Input/Output Option .......................................................................................... 40

General ........................................................................................................................................ 40

Input Signal Configuration .......................................................................................................... 40

The DI-205: Signal Input/Output Panel ............................................................................................. 41

General ........................................................................................................................................ 41

DI-205 Input/Output Panel Interconnections .............................................................................. 41

Input Signal Configuration .......................................................................................................... 41

Connecting a Single-ended Amplifier .................................................................................. 42

Connecting a Differential Amplifier ..................................................................................... 42

DI-725(E) Channel Expansion Unit .................................................................................................. 46

Connecting the DI-725 to the Host Instrument ........................................................................... 46

Features, Controls, and Indicators ............................................................................................... 46

DI-725 Front Panel ..................................................................... ..... .... ................................. 46

DI-725 Rear Panel ............................................................................................. .... ..... .......... 47

Configuring Channels with the DI-725 ....................................................................................... 48

DI-400 Host Instruments ...................................................................................................... 49

DI-720 Host Instruments ...................................................................................................... 50

DI-730 Host Instruments ...................................................................................................... 51

DI-78B 8B Module Channel Expander ............................................................................................. 52

Connecting the DI-78B to the Host Instrument .......................................................................... 52

Applying Power to the DI-78B ................................................................................................... 52

Features, Controls, and Indicators ............................................................................................... 53

DI-78B Front Panel .............................................................................................................. 53

DI-78B Rear Panel ................................................................................................................ 54

Installing DI-8B Modules ........................................................................................................... 54

Enabling CJC for Thermocouple Modules ................................................................................. 56

Configuring DI-78B Channels in WinDaq ................................................................................. 56

DI-720 Host Instruments ...................................................................................................... 57

DI-730 Host Instruments ...................................................................................................... 58

Configuring DI-78B Channel Gain (you MUST configure gain for proper readings) ......... 58

DI-8B Modules .................................................................. .... ..... ....................................................... 60

DI-8B30/31 Analog Voltage Input Modules, 3Hz Bandwidth ................................................... 60

DI-8B32 Analog Current Input Modules .................................................................................... 61

DI-8B34 Linearized 2- or 3-Wire RTD Input Modules .............................................................. 62

DI-8B35 Linearized 4-Wire RTD Input Modules ....................................................................... 63

DI-8B36 Potentiometer Input Modules ....................................................................................... 64

DI-8B38 Strain Gage Input Modules, Narrow & Wide Bandwidth ............................................ 65

DI-8B40/41 Analog Voltage Input Modules, 1kHz Bandwidth ................................................. 66

DI-8B42 2-Wire Transmitter Interface Modules ........................................................................ 67

DI-8B45 Frequency Input Modules ............................................................................................ 68

DI-8B47 Linearized Thermocouple Input Modules .................................................................... 69

DI-8B50/51 Analog Voltage Input Modules, 20kHz Bandwidth ............................................... 70

DI-75B 5B Module Channel Expander ............................................................................................. 71

Connecting the DI-75B to the Host Instrument .......................................................................... 71

Applying Power to the DI-75B ................................................................................................... 71

Features, Controls, and Indicators ............................................................................................... 72

DI-75B Front Panel .............................................................................................................. 72

DI-75B Rear Panel ................................................................................................................ 73

Configuring Channels with the DI-75B ...................................................................................... 74

Table of Contents

viii

DI–720/DI–722/DI–730 Series User Manual

DI-72x Host Instruments ...................................................................................................... 75

DI-730 Host Instruments ...................................................................................................... 76

Configuring Host Instrument Channel Gain ............................................................................... 77

DI-5B Modules .................................................................................................. .... ..... ....................... 78

DI-5B30/31 Analog Voltage Input Modules, Narrow Bandwidth .............................................. 78

DI-5B32 Analog Current Input Modules .................................................................................... 79

DI-5B33 Isolated True RMS Input Modules .............................................................................. 80

DI-5B34 Linearized 2- or 3-Wire RTD Input Modules .............................................................. 81

DI-5B35 Linearized 4-Wire RTD Input Modules ....................................................................... 83

DI-5B36 Potentiometer Input Modules ....................................................................................... 85

DI-5B38 Strain Gage Input Modules, Narrow & Wide Bandwidth ........................................... 86

DI-5B40/41 Analog Voltage Input Modules, Wide Bandwidth ................................................. 88

DI-5B42 2-Wire Transmitter Interface Modules ........................................................................ 89

DI-5B43 Isolated DC Transducer Amplifier Input Module ........................................................ 90

DI-5B45 Frequency Input Modules ............................................................................................ 92

DI-5B47 Linearized Thermocouple Input Modules .................................................................... 93

DI-5B48 Accelerometer Input Modules ..................................................................................... 95

Table of Contents

DI–720/DI–722/DI–730 Series User Manual

1. Introduction

Congratulations on your purchase of a DI-720, DI-722, or DI-730 Series data acquisition instrument. This manual describes how to connect and use all of the instruments in the DI-720, DI-722, and DI-730 Series plus the available accessories and expanders. Throughout the majority of this manual, enough similarity exists to describe all instruments with the same procedure. The convention used to annotate this similar ity is “DI-7xx Series.” In cases where the resemblance is not the same, separate procedures/descriptions exist for each instrument.

Features

The DI-7xx Series has the following features:

• All instruments connect to the printer port of any PC-compatible computer. Most communicate in standard,

bi-directional or EPP mode. Models DI-720-EN, DI-722-EN, and DI-730-EN add optional Ethernet commu-

nication. DI-720-USB, DI-722-USB, and DI-730-USB add optional USB communication.

• Per channel software-configurable settings including input gain, sample rate, intelligent oversampling

modes (signal averaging, maximum value, minimum value, and last point), and single-ended or differential

input.

• DI-720 Series Instruments offer 32 single-ended/16 differential (software selectable per channel) general

purpose inputs (±10V Full Scale).

• DI-722-16 Series Instruments offer 16 fixed differential extended measurement range (±20V Full Scale)

inputs and 16 single-ended/8 differential (software selectable per channel) general purpose (±10V Full

Scale) inputs.

• DI-722-32 Series Instruments offer 32 extended measurement range differential inputs (±20V Full Scale).

• DI-730 Series Instruments offer 8 fixed isolated high voltage range (±1000V Full Scale) differential inputs

and 16 general-purpose (±10V Full Scale) non-isolated inputs (available through the EXPANSION (USB

and PP models) or Channel Expansion (EN models) connector on the rear of the instrument). General pur-

pose inputs are connected directly to a multiplexer. Each channel can be configured for single-ended or dif-

ferential operation on a channel-by-channel basis. General-purpose inputs can have gain factors of 1, 2, 4 or

8 applied on a channel-by-channel basis.

• Ethernet Instruments provide synchronous distributed data acquisition through CAT-5 Ethernet cables (con-

nected through the Expansion port).

• Flexible power requirements. All instruments operate from any standard 60Hz, 120V AC wall outlet with

the supplied power adapter. Alternately, you may power the instrument from any +9 to +36 volt DC source.

• High sample throughput rates. The DI-720 can record at up to 200KHz throughput. The DI-722 Series can

record at up to 50KHz throughput. The DI-730 Series can record at up to 150KHz throughput. See “Analog

Inputs” on page 3 for full sample rate specifications.

• Analog-to-Digital converters. DI-720 and DI-722 Series provide 16-bit A/D converters for high-resolution

measurement accuracy (14 bits maximum resolution using W

bit A/D converter.

• Supports analog pre- and post-triggering of data acquisition based on the level and slope of a specified chan-

nel.

INDAQ software). DI-730 Series provide a 14-

Analog Input

32 single-ended/16 differential analog inputs (on DI-720 Series instruments), 16 singled-ended/24 differential analog inputs (on DI-722-16 Series instruments), 32 differential analog inputs (on DI-722-32 Series instruments) or 8 fixed

Introduction

DI–720/DI–722/DI–730 Series User Manual

differential analog inputs plus 16 general purpose non isolated inputs (on DI-730 Series instruments) allow your analog signals to be converted into 14-to-16-bit digital data via the on board A/D converter.

DI-720 Series Instruments feature software-programmable input measurement ranges of ±10V, ±5V, ±2.5V, and ±1.25V full scale with gain ranges of 1, 2, 4, and 8 for all channels.

DI-722 Series Instruments feature software programmable input measurement ranges of ±20V , ±10V, ±5V, and ±2.5V full scale with gain ranges of 1, 2, 4, and 8 for all fixed differential extended measurement range inputs. General-purpose inputs feature software-programmable input measurement ranges of ±10V, ±5V, ±2.5V, and ±1.25V full scale with gain ranges of 1, 2, 4, and 8.

DI-730 Series Instruments feature software programmable input measurement ranges of ±10mV, ±100mV, ±1V, ±10V, ±100V and ±1000V full scale with gain ranges of 1, 10, 100, 1000, 10000, and 100000 for the 8 fixed isolated high voltage range differential inputs. General-purpose inputs feature software-programmable input measurement ranges of ±10V, ±5V, ±2.5V, and ±1.25V full scale with gain ranges of 1, 2, 4, and 8.

Analog Output

On DI-720 and DI-722 instruments, the D/A subsystem features two buffered, 12-bit D/A converters for outputting analog data. DI-730 instruments have one 12-bit D/A converter. DI-7xx Series instruments feature a software-programmable output range of ±10V and feature an on-board 16-entry output counter list that allows you to write analog or digital output at the maximum conversion rate of the instrument.

Note: Analog output is not available in DI-7xx Ethernet and USB modules while Analog Input is being used.

Digital Input and Output (DI-720 Series Only)

The DI-720-P contains 8 digital input and 8 digital output lines for input/output op erati ons. These lines provide an interface for the transfer of data between user memory and a peripheral device connected to the instrument. Digital inputs can monitor alarms or sensors with TTL outputs, while digital outputs can drive TTL inputs on control or measurement equipment. The DI-720-EN and DI-720-USB have 8 digital input and 4 digital output lines available.

Introduction

DI–720/DI–722/DI–730 Series User Manual

2. Specifications

Signal Connections

Make signal connections to the two 37-pin, D-type connectors on the front panel of DI-720/722 Series instruments or to the banana jacks on the front panel of DI-730 Series instruments. On DI-720 Series instruments, signal connections can also be made with the DI-205 (optional) general purpose signal interface providing convenient banana jacks for analog input signals. See “The DI-205: Signal Input/Output Panel” on page 41 for more information. Note: the DI-205 is an extra-cost option and is not included with the purchase of a DI-720 Series instrument.

Interface Characteristics

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

port. Supports standard, bi-directional, or EPP communication modes. Optional communication interfaces include Ethernet and Universal Serial Bus (USB).

Analog Inputs

Number of input channels: DI-720 Series 32 single-ended/16 differential (software selectable per channel) DI-722-16 Series 24 differential, 16 single-ended (software selectable on channels 17-32) DI-722-32 Series 32 differential DI-730 Series 8 isolated fixed differential plus 16 non-isolated general purpose inputs

(16 single ended or 8 differential)

Converter resolution: DI-72x: 16-bit; 14-bit when used with W

DI-730: 14-bit

Common mode rejection ratio: DI-72x: 80 dB minimum @ A

DI-730: 120 dB minimum @ DC to 60Hz

Accuracy: V

Crosstalk: -75 dB @100kHz (50 KHz for DI-722) into 100 Ω unbalanced Sample throughput rate (max samples/second; software selectable per channel): Standard Printer Port DI-720, DI-722, and DI-730: 40,000 samples/second max Bi-directional Printer Port DI-720: 80,000 samples/second max

EPP Printer Port DI-720: 200,000 samples/second max

USB DI-720: 200,000 samples/second max

Ethernet DI-720: 180,000 samples/second max

<= 800V ±(0.25% of full-scale range ±100µv)

> 800V ±(0.5% of full-scale range)

DI-722: 50,000 samples/second max DI-730: 80,000 samples/second max

DI-722: 50,000 samples/second max DI-730: 150,000 samples/second max

INDAQ software

Specifications

DI–720/DI–722/DI–730 Series User Manual

Maximum analog measurement range (software selectable per channel): DI-720 Series and DI-722/DI-730 gen-

eral purpose channels

DI-722 Series Amplified ±20 V full scale at a gain of 1

DI-730 Series ±10mV full scale

Maximum Input without Damage (either input to ground):

Gain error: 1 bit max @ 1kHz sample rate Input offset voltage: 1 bit max @ 1kHz sample rate Input settling time: 4µs to 0.01% at all gains Input impedance: DI-720: 1 MΩ resistor tied to GND on the input channel

Maximum jitter between synchronized units: 5 microseconds

±10V full scale at a gain of 1 ±5V full scale at a gain of 2 ±2.5V full scale at a gain of 4 ±1.25V full scale at a gain of 8

±10 V full scale at a gain of 2 ±5 V full scale at a gain of 4 ±2.5 V full scale at a gain of 8

±100mV full scale ±1V full scale ±10V full scale ±100V full scale ±1000V full scale

DI-720: ±30VDC or Peak AC DI-722: 120V RMS DI-730: ±1500VDC or Peak AC (8 high voltage channels only)

DI-722: 1 MΩ DI-730: 10 MΩ

Analog Outputs

Number of channels: DI-720: Two buffered analog outputs

DI-722: None

DI-730: One analog output Resolution: 12-bit; 1 part in 4,096 @ 250kHz Output voltage range: ±10V full scale Output impedance: 0.1Ω - output current should not exceed 1mA (10KΩ load or lighter) Maximum Sample rate (samples/second):

(software selectable per channel)

Output offset voltage: 1 bit max @ 1kHz sample rate

standard port: 40,000

bi-directional port: 80,000

EPP: 150,000

Digital Input/Output (DI-720 Series Only)

Capacity: 8 input and 8 output Compatibility: TTL compatible Max source current: 0.4mA @ 2.4V Max sink current: 8mA @ 0.5V Digital input termination: 4.7kΩ pull-up to +5VDC

Specifications

DI–720/DI–722/DI–730 Series User Manual

Timing Input/Output

Number of counters: 240 input, 16 output Resolution: 1 part in 32,768 Base clock accuracy: 0.005% or 50ppm Counter input frequency: 16 MHz

Scan Lists

Input Scan List: USB: Capacity—128 elements

Printer Port and Ethernet: Capacity—240 elements

Output Scan List: Capacity—16 elements

Triggering

Pre-trigger length and Post-trigger length: Printer Port and Ethernet products: (Pre-trigger points + Post-trigger

points) × the number of enabled channels must be less than or equal to 64,000 USB products: (Pre-trigger points + Post-trigger points) × the number

of enabled channels must be less than or equal to 15,000 Trigger channel: Any channel Trigger level hysteresis: 8-bit (256 counts)

On-board DSP

Type: Analog Devices ADSP2181, 32 MIPS Clock frequency: 16 MHz external, 64 MHz internal Data memory: 16k words Program memory: 16k words

Physical/Environmental

Box dimensions: 7.29"W × 9"L × 1.52"H I/O connector: DI-720: 37-pin ma le D-t ype

DI-722: 37-pin male D-type

DI-730: Banana jacks Weight: approx. 3 lbs. Operating environment: Component temperature 0º to 70º C Relative humidity 0% to 90% non-condensing Storage environment: Temperature -40º to 100º C Relative humidity 0% to 90% non-condensing

Power Supply Voltage and Power Consumption

Voltage: 9-36 VDC

Specifications

DI–720/DI–722/DI–730 Series User Manual

Power: DI-720: 4.5 Watts

DI-722: 10 Watts DI-730: 14 Watts

Specifications

DI–720/DI–722/DI–730 Series User Manual

Power Adapter

To power supply (outlet)

Rear Panel

Power Adapter Cable

DI-720 or DI-730 Series Instrument

3. Getting Started

Unpacking

The following items are included with each DI-720, DI-722, or DI-730 Series instrument. Verify that you have the following:

• Your DI-720, DI-722, or DI-730 Series In strument.

• Printer Port communications cable to connect the DI-7xx Series instrument to your computer's printer port.

• A USB cable (models DI-720-USB, DI-722-USB, or DI-730-USB only). Ethernet models do not include an Ethernet cable.

• The W

If an item is missing or damaged, call DATAQ Instruments at 330-668-1444. DA TAQ support will guide you through the appropriate steps for replacing missing or damaged items. Save the original packing material in the unlikely event that your unit must, for any reason, be sent back to DATAQ Instruments.

INDAQ Resource CD. The WINDAQ Resource CD contains all software required to run your instrument.

If you ordered W sticker with a password on the sleeve of your CD-ROM. This password will give you access to that software. If you did not order W ware will be available to you for free without a password.

INDAQ/Pro or WINDAQ/Pro+ recording software (an extra-cost option), there will be a

INDAQ/Pro or WINDAQ/Pro+ recording software, the WINDAQ/Lite recording soft-

Applying Power to the DI-7xx Series Instrument

Use the following procedure to apply power to your DI-7xx Series instrument:

1. Plug the five-pin DIN end of the power adapter cable into the five-pin jack labeled POWER on the rear panel of the instrument.

Getting Started

DI–720/DI–722/DI–730 Series User Manual

+9 to +36 V

Common

To printer port on PC

Rear Panel

Printer Port Cable

DI-720 or DI-730 Series Instrument

2. Plug the appropriate end of the supplied power cord into the power adapter and the other end into any standard 120VAC, 60Hz, single-phase outlet. If an alternate power source is to be used, refer to the following pin-out diagram for power requirements:

3. Turn the POWER switch on.

Printer Port Instrument Installation

All DI-7xx Series instruments can use your computer's parallel (or printer) port to interface digital and analog signals to your computer. Ethernet/USB models provide Ethernet or USB communication ports (cannot be used concurrently with the printer port).

1. Plug the appropriate end of the supplied parallel communications cable to the 25-pin male connector labeled PRINTER PORT on the rear panel of the DI-7xx Series instrument.

2. Connect the other end of this cable to your computer's parallel (printer) port. Note the LPT port number to which you connected your device (LPT1, LPT2, etc.).

3. Set up your computer’s Printer Port operating mode. The parallel port may be set up in Standard, Bi-directional, or EPP mode to communicate with your instrument. Choose a parallel port mode based on the desired samp le rate:

Parallel Port Mode Maximum Data Throughput*

*Maximum stream-to-disk rate using W running Windows 98. Triggered storage rates will be faster . Contact DATAQ Instruments to

determine expected maximum sample rates for other machine speeds and operating systems.

Standard DI-720, DI-722, and DI-730: 40,000 samples/second

Bi-directional (PS/2)

EPP

DI-720 and DI-730: 80,000 samples/second

DI-722: 50,000 samples/second

DI-720: 200,000 samples/second

DI-722: 50,000 samples/second

DI-730: 150,000 samples/second

INDAQ software on a 350 MHz Pentium II machine

Getting Started

DI–720/DI–722/DI–730 Series User Manual

For example, if you will record five channels at 20 Hz each, then the Standard mode will be more than adequate (5 channels @ 20 Hz = 100 Hz throughput, which is well within the DI-7xx Series 40KHz standard mode throughput). If, however, you plan to record at a much higher sample rate (for example, five channels at 10KHz each) the Standard mode will not reliably record your data gap-free — this throughput rate exceeds the DI-7xx's standard mode maximum throughput (5 channels @ 10KHz = 50KHz). To reliably record data gap-free at this sample rate, your computer's parallel port must be operated in something other than standard mode.

Access your computer's CMOS setup routine to change the printer port operating mode. This usually can be accomplished by pressing a certain key (or keys) on your keyboard at the beginning of your computer's boot-up process. A message telling you which key to press is usually displayed on your monitor at the beginning of the boot-up process. If you do not see such a message, consult your computer documentation for CMOS setup information.

4. Apply power to the DI-7xx instrument. Windows must be running. Close all other applications.

5. Install W a. Insert the The W

INDAQ Software. All software is included in The WINDAQ Resource CD.

INDAQ Resource CD into your CD-ROM drive. The Windows auto run feature should start

the installation program. If the Windows auto run feature is not enabled on your PC, run the setup.exe program located on the root of the CD directory.

b. In the “What do you want to do?” dialog box select the Install Software radio button and click OK. c. In the “Installing Software” dialog box select the Install Software for all other products radio button and

click OK.

d. In the “Specify the product” dialog box you must choose the version of W

you purchased W purchase software, choose the W

INDAQ/Pro or Pro+ software, select the appropriate option and click OK. If you did not

INDAQ/Lite option and click OK.

INDAQ you would like to install. If

e. In the “Specify the Instrument” dialog box select the DI-720/740/730HV Portable Instruments radio but-

ton and click OK.

f. In the “Specify the Instrument” dialog box select the Parallel Port (Printer Port) radio button and click

OK.

g. Read the warning information and follow any instructions relevant to your situation in the “Welcome” dia-

log box. Click OK to continue the installation.

h. Read through the Software License agreement carefully and either Accept and Continue or Cancel to exit

the installation.

i. Enter your Registration Information in the appropriate text boxes and click OK. j. Select the destination directory where you would like all folders and files to reside on your hard drive. We

recommend you accept the default path, but you can name this new directory anything you like. Simply substitute the desired drive and directory in the Destination Directory text box. Once you have chosen the directory click OK.

k. The “Make Backups?” dialog box provides the option of creating backup copies of any files that may be

replaced during installation. This is a safety courtesy; backup copies are not required. Click on No if you don't want to make backups. Click on Yes to create backups. If you decide to create backups, you will be prompted to specify a backup file directory.

Getting Started

DI–720/DI–722/DI–730 Series User Manual

To USB port on PC

Rear Panel

USB Cable

DI-720 or DI-730 Series Instrument

l. Specify the instrument you are installing. If you are installing a DI-720 or DI-722 select the DI-720/DI-740/

DI-722/DI-5001 Portable Unit radio button. If you are installing a DI-730 select the DI-730HV Portable Unit radio button. Click OK to continue.

m. Choose the Printer Port you connected your instrument to (LPT1, LTP2, or LPT3). Click OK to continue. n. Select the program manager group you would like to place the program shortcuts in your Windows pro-

grams. The default is recommended, but you can specify any program group or create a new one. Click OK to continue.

o. The “Installation Option” dialog box allows you to specify access to W

INDAQ for multiple users on the same

PC. If you are the only user or you would like to allow access to all users click Yes. If there are multiple users and you would like to be the only one able to access W

INDAQ click No. Click Cancel to abort the

installation. p. Select the desired options for installation of W q. Installation is complete. Re-start your PC to enable W

INDAQ/XL and Advanced CODAS.

INDAQ device drivers for the printer port.

6. Run WinDaq software from the program group designated in Step 5n above (default is Start > Programs >

WINDAQ > WinDaq Pro(version of the software installed - Lite/Pro/Pro+) Data Acq DI-7xx(model number) LPT. For help running W inDaq Acquisition and Playback software please see the help files inside the application

(F1 for context-sensitive help or use the Help menu).

USB Instrument Installation

USB instruments require driver installation before they can communicate with your PC. Your USB device may be installed and run as a Printer Port device if desired (see “Printer Port Instrument Installation” on page8 to install and run as a Printer Port device). The USB and Printer Port communications interfaces cannot be used concurrently.

1. Apply power to the DI-7xx-USB instrument and your computer. Windows must be running. Close all other applications.

2. Plug the appropriate end of the supplied USB communications cable into the USB port (labeled USB) on the rear panel of the instrument. Connect the other end of this cable to your computer's USB port.

Getting Started

DI–720/DI–722/DI–730 Series User Manual

3. The addition of this new hardware will be “sensed” by Windows and the “Add New Hardware Wizard” will automatically be launched, anticipating the installation of a device driver for the new hardware. Insert the W

INDAQ

Resource CD-ROM into your CD-ROM drive. The root directory of the CD contains all USB drivers.

4. From the initial “Add New Hardware Wizard” screen click Next to get started, then choose the “search for best driver option (recommended)” and click Next.

5. Specify the CD-ROM drive that contains the W

INDAQ Resource CD-ROM as the search location and click Next.

6. Follow the on-screen prompts. Depending on how Windows was originally installed on your computer, you may need additional files from your Windows distribution CD-ROM to complete the driver installation. When you see the following dialog box, Windows has located the necessary device driver and is ready to install the required files. Click Next to continue.

7. Install W

INDAQ Software. All software is included in The WINDAQ Resource CD.

a. Insert the The W

INDAQ Resource CD into your CD-ROM drive. The Windows auto run feature should start

the installation program. If the Windows auto run feature is not enabled on your PC, run the setup.exe program located on the root of the CD directory.

click OK.

d. In the “Specify the product” dialog box you must choose the version of W

you purchased W purchase software, choose the W

INDAQ/Pro or Pro+ software, select the appropriate option and click OK. If you did not

INDAQ/Lite option and click OK.

INDAQ you would like to install. If

e. In the “Specify the Instrument” dialog box select the DI-720/740/730HV Portable Instruments radio but-

ton and click OK.

f. In the “Specify the Instrument” dialog box select the Universal Serial Bus (USB) radio button and click

OK.

g. The “Welcome!” dialog box allows you to cancel the installation. Click OK to continue installation or Can-

cel to abort.

h. Read through the Software License agreement carefully and either Accept and Continue or Cancel to exit

the installation.

Getting Started

DI–720/DI–722/DI–730 Series User Manual

i. Enter your Registration Information in the appropriate text boxes and click OK. j. Select the destination directory where you would like all folders and files to reside on your hard drive. We

k. The “Make Backups?” dialog box provides the option of creating backup copies of any files that may be

l. Select the program manager group you would like to place the program shortcuts in your Windows pro-

grams. The default is recommended, but you can specify any program group or create a new one. Click OK to continue.

m. Enter the ID address of your instrument. Every DI-720-USB, DI-722-USB or DI-730-USB is initially

assigned an ID address of 0. If you are adding only one DI-720-USB, DI-722-USB or DI-730-USB to your system or if this is the first USB instrument you are installing, do not change the ID address. If this is not the first DI-720, DI-722 or DI-730 USB device, change the ID address. The second device installed should have an ID address of 1, the third device installed should have an ID address of 2, etc. Click OK to continue installation.

n. The “Installation Option” dialog box allows you to specify access to W

INDAQ for multiple users on the same

PC. If you are the only user or you would like to allow access to all users click Yes. If there are multiple users and you would like to be the only one able to access W

INDAQ click No. Click Cancel to abort the

installation.

o. Select the desired options for installation of W

INDAQ/XL and Advanced CODAS.

p. Installation is complete. If you are installing multiple devices, run through the installation for each device

making sure to change the ID address in step m above. This does not install multiple versions of the software.

8. Run WinDaq software from the program group designated in Step 7n above (default is Start > Programs >

WINDAQ > WinDaq Pro(version of the software installed - Lite/Pro/Pro+) Data Acq DI-7xx(model number) USBx(ID address - usually 0). For help running WinDaq Acquisition and Playback software please see the help

files inside the application (F1 for context-sensitive help or use the Help menu).

Ethernet Instrument Installation

Your Ethernet device may be inst alled and run as a Printer Port device if desired (see “Printer Port Instrument Installation” on page 8 to install and run as a Printer Port device). The Ethernet and Printer Port communications interfaces cannot be used concurrently. If you are installing multiple devices in a daisy chain for the purpose of synchronous distributed data acquisition please see “Daisy-Chaining Multiple Ethernet Products” on page 19 before installing the software. You may only access one device per network outside your subnet.

Getting Started

DI–720/DI–722/DI–730 Series User Manual

Standard CAT-5 Cable

100M Max

Your PC

DI-720/722/730/785/788

CAT-5 Cable

100M Max

Your PC

Hub

DI-720/722/730/785/788

Installing an Ethernet Device Directly Connected to your PC or Connected via a Hub/Switch where ONLY DI-72x, DI-730, or DI-78x Products are Installed

Installation of an Ethernet device directly connected to the network card on your computer requires you to change the IP address of your network card.

Installation of an Ethernet device via a hub/switch containing ONL Y DI-720/722/730/785/788 products also requires you to change the IP address of your network card.

1. Find the Network Connections on your computer (usually in the Control Panel).

2. Double-click on the Local Area Connection icon.

3. Click on the Properties button.

Getting Started

DI–720/DI–722/DI–730 Series User Manual

4. Select Internet Protocol (TCP/IP) in the “This connection uses the following items” window and click on the Properties button.

5. Click on the General tab.

6. Select the radio button Use the following IP address.

7. Enter 169.254.0.1 in the space provided for the IP address.

8. Enter 255.255.0.0 in the space provided for the Subnet mask.

Getting Started

DI–720/DI–722/DI–730 Series User Manual

CAT-5 Cable

100M Max

Your PC

Hub

CAT-5 Cable

100M Max

Hub

More Nodes

As Needed

DI-720/722/730/785/788

9. Click on the OK button to close the Intern et Protocol (TCP/IP) Properties dialog box then click on the OK but-

ton in the Local Area Connection Properties dialog box for the changes to take effect.

Note: If you unplug your device and connect your PC to a network or router you should change the TCP/IP properties back to their original state.

10. Install W

INDAQ software (see “Installing WinDaq software for Ethernet Products” on page 18).

11. Run the TCP/IP Manager software (default location is Start > Programs > WINDAQ > IP Manager).

12. Connect the device (see “Connecting your Ethernet Instrument to your PC or Network” on page 17) to your PC or hub.

13. Apply power the device (see “Applying Power to the DI-7xx Series Instrument” on page 7).

Note: Always start the TCP/IP Manager software BEFORE powering the device to avoid extended delays resolving IP addresses.

Installing an Ethernet device via a distributed network without a DHCP server where one or more DATAQ Instruments devices will coexist with other Ethernet devices, and where static IP address are individually assigned

Installation of an Ethernet device connected to a distribu ted network that does not have a DHCP server or where the DHCP server is turned off requires you to set a static IP to the device after installation to drastically reduce the amount of time it takes for the TCP/IP Manager to find the device.

Note: In the illustration above, the Hubs could instead be routers with DHCP turned off (i.e., a static IP assigned network). Contact your system administrator for details about your network.

1. Have the system administrator designate an IP address for your device.

2. Install W

INDAQ software (see “Installing WinDaq software for Ethernet Products” on page 18) entering the

device’s MAC address at S tep 14.

Getting Started

DI–720/DI–722/DI–730 Series User Manual

3. Run the TCP/IP Manager software (default location is Start > Programs > WINDAQ > IP Manager).

4. Connect the device to your network (see “Connecting your Ethernet Instrument to your PC or Network” on page 17).

5. Power the device (see “Applying Power to the DI-7xx Series Instrument” on page 7).

6. In the TCP/IP Manager main window, select the device you have installed.

7. Select the Change IP Address drop down command.

8. Select the Set a static IP Address radio button.

9. Enter the IP address provided by your system administrator in Step 1 above. Do not check the Remote Device checkbox.

10. Click on the OK button for the change to take effect.

Note: These instructions change the settings inside the device. If you move the device to a DHCP-enabled network (i.e., where IP addresses are assigned automatically by a DHCP server or router) you will need to change the device settings using the Dataq TCP/IP Manager . See the Dataq Instruments TCP/IP Manager help file for complete details.

Getting Started

DI–720/DI–722/DI–730 Series User Manual

Your PC

Local Area Network

(LAN)

World Wide

Web

DHCP Router

DI-720/722/730/785/788

Installing an Ethernet device via a distributed network with a DHCP server

Installation of an Ethernet device connected to a distributed network that has a DHCP server (i.e., a DHCP router automatically assigns IP addresses to each device connected to the network) requires no extra setup.

Note: If you are unsure whether your network is DHCP-enabled or not, check with your system administrator before installing W

1. Install W

INDAQ.

INDAQ software (see “Installing WinDaq software for Ethernet Products” on page 18).

2. Connect your Ethernet device to your Local Area Network (see “Connecting your Ethernet Instrume nt to your PC or Network” on page 17).

3. Run the TCP/IP Manager software (default location is Start > Programs > WINDAQ > IP Manager).

4. Apply power to the device (see “Applying Power to the DI-7xx Series Instrume nt ” on pa ge 7).

Connecting your Ethernet Instrument to your PC or Network

1. Connect one end of a CAT-5 Ethernet cable to the Toward PC port on the rear of the instrument.

Getting Started

DI–720/DI–722/DI–730 Series User Manual

To Ethernet port on PC or Network

DI-720 or DI-730 Series Instrument

Rear Panel

CAT-5 Ethernet Cable

(up to 100 meters)

To Toward PC port on device

2. Connect the other end of the CAT-5 Ethernet cable to an Ethernet port on your PC or to a port on an accessible network.

Note: DO NOT connect the Expansion port back to your network or PC. These Ethernet products use an Ethernet switch. Looping any Ethernet switch will cause your network or PC to crash.

Installing WINDAQ software for Ethernet Products

All software is included in The WINDAQ Resource CD.

1. Insert the The W installation program. If the Windows auto run feature is not enabled on your PC, run the setup.exe program located on the root of the CD directory.

2. In the “What do you want to do?” dialog box select the Install Software radio button and click OK.

3. In the “Installing Software” dialog box select the Install Software for all other products radio button and click OK.

4. In the “Specify the product” dialog box you must choose the version of W purchased W software, choose the W

5. In the “Specify the Instrument” dialog box select the DI-720/740/730HV Portable Instruments radio button and click OK.

6. In the “Specify the Instrument” dialog box select the Ethernet radio button and click OK.

7. Check the sticker located on the bottom of your instrument and note the model number. In the “Select a device” dialog select the model number of your device and click OK.

8. The “W elcome!” dialog box allows you to cancel the installation. Click OK to continue installation or Cancel to abort.

INDAQ Resource CD into your CD-ROM drive. The Windows auto run feature should start the

INDAQ you would like to install. If you

INDAQ/Pro or Pro+ software, select the appropriate option and click OK. If you did not purchase

INDAQ/Lite option and click OK.

9. Read through the Software License agreement carefully and either Accept and Continue or Cancel to exit the installation.

10. Enter your Registration Information in the appropriate text boxes and click OK.

Getting Started

DI–720/DI–722/DI–730 Series User Manual

11. Select the destination directory where you would like all folders and files to reside on your hard drive. We recommend you accept the default path, but you can name this new directory anything you like. Simply substitute the desired drive and directory in the Destination Directory text box. Once you have chosen the directory click OK.

12. The “Make Backups?” dialog box provides the option of creating backup copies of any files that may be replaced during installation. This is a safety courtesy; backup copies are not required. Click on No if you don't want to make backups. Click on Yes to create backups. If you decide to create backups, you will be prompted to specify a backup file directory.

13. Select the program manager group you would like to place the program shortcuts in your Windows programs. The default is recommended, but you can specify any program group or create a new one. Click OK to continue.

14. You must know either the MAC address or the IP address of the device to continue. The MAC address is located on the sticker on the bottom of your device. IP addresses must be retrieved from the system administrator. Enter the MAC address or IP address in the text box provided in the “MAC or IP address of the device” dialog box. If you are installing a device that is not connected to your Local Area Network, you should enter the IP address here. The software will go to that IP address and retrieve the MAC address for you. This will save further setup in the TCP/IP Manager. Click OK to continue. Note: If you enter the wrong MAC addr ess you will have to r e-run

this installation program with the correct MAC address to access the device.

15. Click Yes in the “More ethernet devices to install” dialog box if you are installing multiple Ethernet devices.

16. Repeat Steps 14 and 15 until all Ethernet devices’ MAC addresses have been entered. Click No to continue installation.

17. The “Installation Option” dialog box allows you to specify access to W

INDAQ for multiple users on the same PC.

If you are the only user or you would like to allow access to all users click Yes. If there are multiple users and you would like to be the only one able to access W

18. Select the desired options for installation of W

19. Installation is complete. Run the TCP/IP Manager via the Windows program group specified during W

INDAQ click No. Click Cancel to abort the installation.

INDAQ/XL and Advanced CODAS.

INDAQ

Software installation (default is Start > Programs > WINDAQ > IP Manager) to access the device and run W

INDAQ Acquisition Software

Daisy-Chaining Multiple Ethernet Products

Multiple Ethernet products may be daisy-chained together to allow for one synchronous distributed data acquisition system. Multiple DI-720, DI-722, and/or DI-730 instruments may be placed in the same daisy chain. To maintain synchronicity, Ethernet hubs and switches cannot be used between units. Make sure to enter each MAC address during installation. Daisy-chains must be installed to your Local Area Network (LAN) — you cannot access more than one device per IP address outside of your subnet. If you are not sure whether or not the devices are in your subnet see your system administrator before installation. You may acquire data from only one daisy chain at a time (i.e., the same PC cannot access two daisy chained groups at the same time).

Note: If you are installing a daisy-chained group of instruments for the purpose of synchronous distributed data acquisition, do not allow any other units or daisy chains to be installed to your subnet. Running other devices on the same subnet will cause the synced units to become unsynced.

1. Connect one end of a CAT-5 Ethernet cable to the Toward PC port of the first Ethernet device.

2. Connect the other end of the same CAT-5 Ethernet cable to the Ethernet port on your PC or LAN.

3. Connect one end of another CAT-5 Ethernet Cable to the Expansion port on the rear of the first Ethernet device.

4. Connect the other end of the same CAT-5 Ethernet cable to the Toward PC port on the second Ethernet device.

Getting Started

DI–720/DI–722/DI–730 Series User Manual

First DI-720 or DI-730

Second DI-720 or DI-730

Connect to Ethernet port on PC or Network (up to 100 meters)

Connect to Toward PC port on next

DI-720 or DI-730 (up to 100 meters)

CAT-5 Ethernet Cables

(each cable can be up

to 100 meters long)

5. Continue installing more Ethernet devices by connecting a CAT-5 Ethernet cable to the Expansion port of the last device in the chain and the Toward PC port on the next device you are adding to the chain. Up to 32 devices may be installed in a single daisy chain. Each device may be 100 meters apart. Use the illustration below for reference.

Note: DO NOT connect the Expansion port on the last product in the chain back to your network or PC. These Ethernet products use an Ethernet switch. Looping any Ethernet switch will cause your network or PC to crash.

Use the TCP/IP Manager to run W page 20). W

INDAQ Acquisition Software provides data acquisition and recording capabilities. Daisy-chained units

INDAQ Acquisition Software (see “TCP/IP Manager (Ethernet Models Only)” on

record separate files synchronously (one file for each unit) and place them in a user-defined Session folder. The user may define which units to use in a daisy-chain so not all units have to be used for a recording session.

Use the WWB Navigator to playback and analyze multiple data files in a Session folder (see “WinDaq Waveform Navigator (Ethernet models only)” on page 21) synchronously. The user may choose which files to view and analyze so not all data files in a session have to be viewed at the same time. Individual files may be independently opened using W

INDAQ Playback Software (WINDAQ Waveform Browser).

TCP/IP Manager (Ethernet Models Only)

The TCP/IP Manager allows you to easily manage all DI-720, DI-722 and DI-730 Ethernet Instruments installed on your PC. The TCP/IP manager is installed when installing W Windows program group specified during W

INDAQ Software installation (default is Start > Programs > WINDAQ >

IP Manager). For help with TCP/IP settings and the TCP/IP Manager see the help files accessible in the application (press F1 to access context-sensitive help or use the Help menu).

The main TCP/IP window shows all Ethernet devices installed on your PC. Devices could be busy or unavailable if there are multiple users. If you entered the wrong MAC address during installation, the status of the device will be “Off Line.” “UnSynced” devices are all single units installed to your network (units that are not daisy-chained). Synced Groups are daisy-chained instruments. There is one Synced Group for each daisy chain. Each Synced Group is named using the first device in the chain (in parentheses).

Use the drop down command menu to change the description of a device. All commands are performed by first selecting a device, then using the drop down command menu. Multiple devices in the same Synced Group may be

INDAQ Software. Access the TCP/IP Manager via the

Getting Started

DI–720/DI–722/DI–730 Series User Manual

selected for a recording session by using the Shift or Control key. Multiple Synced Groups cannot be accessed by the same PC at the same time.

INDAQ Acquisition software must be initiated from the TCP/IP Manager for all DI-720, DI-722, and DI-730 instru-

ments. To begin a recording session select a single device or a group of daisy-chained devices (using the Control or Shift key) and click the Start W

INDAQ button. Each device will open an instance of WINDAQ Acquisition software.

Change channel settings, calibration, and display options independently for each device using each instance of W

INDAQ. Most WINDAQ menu items are available when recording synced devices with the following exceptions:

The Open and Record menu items in the File Menu are not available; The Triggered Mode, Triggered Storage, and Remote Storage menu items in the Options Menu are not available.

WINDAQ Waveform Navigator (Ethernet models only)

The WINDAQ Waveform Browser Navigator allows you to display and scroll through data recorded synch ronously using multiple daisy-chained DI-720, DI-722, and/or DI-730 Ethernet instruments.Access the applicatio n via th e Windows program group specified during W WWB Navigator). Select multiple files from a Session folder to open them in the W the scroll bar to navigate through all the data files synchronously.

For help with the W

INDAQ Waveform Navigator see the help files accessible in the application (press F1 to access

context-sensitive help or use the Help menu).

INDAQ Software installation (default is Start > Programs > WINDAQ >

INDAQ Waveform Navigator. Use

Getting Started

DI–720/DI–722/DI–730 Series User Manual

Connect 16 single-ended or 8 differential

inputs directly to each of these connectors.

4. Instrument Controls, Indicators, and Connectors

Connect most signal leads to the front panel of DI-720, DI-722, and DI-730 Series instruments. Power, communications, and expansion connectors can be found on the rear of the instrument.

DI-720 Series Instrument Front Panel

The 37-pin male “D” connector on the left is used to interface analog input channels 1 through 16, digital inputs 1-8, and digital outputs 1-8. The analog inputs are labeled CH1 through CH16, the digital inputs are labeled DI0 through DI7, and the digital outputs are labeled DO0 through DO7. Other items include DAC2, which is a digital to analog converter that serves as a general-purpose analog output accessible through W analog grounds labeled AGD.

Note: When using your DI-720-USB as a printer port device, Digital Output ports DO1, DO2, and DO3 are unavailable. If you have an expander (excluding the DI-78B and DI-75B) connected via th e rear panel of the DI-720-USB, Digital Output is not available. When using your DI-720-USB as a USB device the digital outputs are moved to the second 37 pin D-sub connector (on the right hand side of the instrument).

Read “CAUTION” on page v before connecting input signals. DI-720 Series instruments can accept 32 high-level or preconditioned analog inputs in single-ended configuration or 16 high-level or preconditioned analog in put s in a differential configuration. High-level inputs are typically low impedance, no-conditioning-required signals in the

INDAQ and SDK software, and two

Getting Started

DI–720/DI–722/DI–730 Series User Manual

Signal Leads

Channel 1 configured for single-ended operation

Signal Leads

Channel 2 configured for differential operation

+ input

- input

range of ±1.25 to ±10 volts full scale. Single-ended inputs are configured by connecting one signal lead to the desired channel and the other signal lead to analog ground (AGD).

Differential inputs occupy two channels (e.g., these channel pairs constitute a differential input: 1 and 9, 2 and 10, 3 and 11, 4 and 12, 5 and 13, 6 and 14, 7 and 15, 8 and 16, etc.), with the lowest numbered channel in the pair assuming the positive (+) input and the channel number. For example, say we have channels 2 and 10 configured as a differential input. Channel 2 is the positive (+) input, channel 10 is the negative (-) input, and the pair is referred to as “channel 2 differential.”

The 37-pin male “D” connector on the right provides access to analog input channels 17 through 32

This connector also includes DAC1, which is a second digital-to-analog converter that serves as a general purpose analog output; R. START/STOP, which allows you to remotely start and stop data storage to disk with a switch or

Getting Started

DI–720/DI–722/DI–730 Series User Manual

A B

Signal Leads

+ input

- input

Applies to differential connectors A, C, and D - Channel 1

TTL level signal; EVNT, which allows you to remotely trigger event markers with a switch or TTL level signal; and two analog grounds labeled AGD.

DI-722 Series Instrument Front Panel

The 37-pin male “D” connectors on the DI-722-32 (labeled C and D) and the one on the left of the DI-722-16 (labeled A) are used to interface analog input channels to the DI-722 Series instrument. The analog inputs are labeled CH1+, CH1- through CH16+, CH16- for the DI-722-16 and CH1+, CH1- through CH32+, CH32- for the DI-722-32. The analog grounds are labeled AGD.

Read “CAUTION” on page v before connecting input signals. The DI-722-16 can accept 16 high-level or preconditioned analog inputs in single-ended configuration or 16 high-level or preconditioned analog inputs in differential configuration (through the 37-pin D connector labeled B above). High-level inputs are typically low impedance, no-

Getting Started

DI–720/DI–722/DI–730 Series User Manual

Signal Leads

+ input

- input

conditioning-required signals in the range of ±1.25 to ±10 volts full scale. Single-ended inputs are configured by connecting one signal lead to the desired channel and the other signal lead to analog ground (AGD):

Differential inputs occupy two channels (e.g., these channel pairs constitute a differential input: 17 and 25, 18 and 26, 19 and 27, 20 and 28, 21 and 29, 22 and 30, 23 and 31, 24 and 32), with the lowest numbered channel in the pair assuming the positive (+) input and the channel number. For example, say we have channels 18 and 26 configured as a differential input. Channel 18 is the positive (+) input, channel 26 is the negative (-) input, and the pair is referred to as “channel 18 differential.”

The 37-pin male “D” connector on the DI-722-16 (labeled B in the graphic of the front panel) provides access to analog input channels 17 through 32

Getting Started

DI–720/DI–722/DI–730 Series User Manual

TTL level signal; EVNT, which allows you to remotely trigger event markers with a switch or TTL level signal; and two analog grounds labeled AGD.

DI-730 Series Instrument Front Panel

DI-730 Series instruments can accept any eight differential analog inputs within a range of ±10mV to ±1000VDC (or peak AC). Its ±1000V of channel-to-channel and input-to-output isolation protects delicate control circuits, computer equipment, and personnel from high common mode voltages.

Use the EXPANSION (USB and PP devices) or Channel Expansion (EN devices) port on the rear of the instrument with optional CABL-7 (part number 100679) to access the 16 general-purpose (±10V Full Scale) analog inputs. Use the following diagram for pinout (see also “DI-720, DI-722, and DI-730 Series Instrument Rear Panel” on page 28).

Be sure to read “CAUTION” on page v before connecting signals to the Expansion port of your DI-730 device.

Getting Started

DI–720/DI–722/DI–730 Series User Manual

Instrument Rear Panel

Instrument Rear Panel with Ethernet Option

Instrument Rear Panel with USB Option

DI-720, DI-722, and DI-730 Series Instrument Rear Panel

The rear panel options are the same for DI-720, DI-722, and DI-730 Series in struments:

PRINTER PORT—Connects your instrument to the Printer Port of your PC using the supplied Printer Port Cable. All DI-720, DI-722, and DI-730 Series instruments support standard, bi-directional and enhanced (EPP) printer port communication modes (Ethernet and USB models only support bi-directional and EPP modes).

ACTIVE—DI-7xx-P instruments: Glows red when the instrument is stream in g data. This includ es all digital input/

output (where applicable), analog output and analog input functions. DI-7xx-EN instruments: Glows red whenever data is sent back to the host computer. DI-7xx-USB instruments: Glows when the USB control-

ler is enabled. POWER—This indicator glows green when power is applied to the DI-720, DI-722, or DI-730 Series instrument. POWER INPUT JACK—Allows you to apply power to the instrument. Power can be applied with the included

power adapter or you can use an alternate source, as long as it is suitable (+9 to +36VDC @ 3A maximum). POWER SWITCH—Controls power to the DI-720, DI-722, or DI-730 Series instrument. 1 is on, 0 is off. CAT-5 Ethernet (EN models)—In addition to printer port communications, models DI-720-EN, DI-722-EN, and DI-

730-EN add Ethernet communication capability with this 10baseT port. Connect the Toward PC port to an Ethernet port on your PC or Network. Use the Expansion port to daisy-chain multiple units together (see “Daisy-Chaining Multiple Ethernet Products” on page 19). Note that the Ethernet communication interface cannot be used concurrently with the printer port.

Getting Started

DI–720/DI–722/DI–730 Series User Manual

1 +5V PWR

3 Reserved

5 Reserved

7 Reserved

9 Reserved

11 R. Start/Stop

13 PWR GND

15 Reserved

17 DAC1

19 Reserved

21 CH32

23 CH31

25 CH30

27 CH29

29 CH28

31 CH27

33 CH26

35 CH25

37 AGND

39 Reserved

Reserved 2

Reserved 4

Reserved 10

Reserved 8

Reserved 6

R. Events 12

Reserved 14

Reserved 16

AGND 18

Reserved 20

CH24 22

CH23 24

CH22 26

CH21 28

CH20 30

CH19 32

CH18 34

CH17 36

Reserved 38

Reserved 40

USB (USB models)—In addition to printer port communications, models DI-720-USB, DI-722-USB, and DI-730USB add Universal Serial Bus (USB) communication capability. Note that the USB communication interface cannot be used concurrently with the printer port.

EXPANSION (USB and PP models) or Channel Expansion (EN models) —When being used for expansion, models DI-78B, DI-75B, DI-725 and DI-725E are plugged directly into this connector. The input signals are then connected to the DI-78B, DI-75B, DI-725 or DI-725B expansion instrument. Use the following diagram for pinout.

Getting Started

DI–720/DI–722/DI–730 Series User Manual

5. Calibration Verification

This section provides calibration verification procedures for the A/D and D/A subsystems of the DI-7xx unit. Your instrument is calibrated before it is shipped and, therefore, does not need immediate calibration. Should your unit not comply with the calibration guidelines presented below, arrange to have DATAQ Instruments recalibrate your instrument.

Required Equipment

A/D Calibration (For DI-720, DI-722, and DI-730 Series Instruments)

• A precision DVM with resolution as a function of the input range being calibrated: minimum DVM resolution = Instrument FSR x 0.1%

For example, suppose we have a DI-720-P and we want to calibrate the ±10 volt range (the DI-720 delivers ±10 volts at a gain of 1):

10V x 0.1% = 10mV

So we would need a DVM with a resolution of 10V or more to calibrate the ±10 volt range.

• A stable voltage source with a stability specification equal to or greater than the minimum DVM resolution,

as calculated above, required to calibrate the instrument at the highest desired gain.

• An alternative is to use a voltage calibrator with enough resolution, as calculated above, to calibrate the

instrument at the highest desired gain.

D/A Calibration (DI-720 Instruments Only)

• A precision DVM with resolution of at least 1mV.

A/D Calibration Verification (DI-720, DI-722, and DI-730 Series Instruments)

Calibration verification of DI-720 Series instruments' A/D subsystem is performed on channel 1, with all other channels returned to analog common. Calibration of DI-730 Series instrument 's A/D subsystem is performed on a channel-by-channel basis for the 8 wide range inputs and on channel 17 for the general-purpose channels. The following figures illustrate the necessary connections:

Calibration Verification

DI–720/DI–722/DI–730 Series User Manual

CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 CH9

CH30 CH31 CH32 S.GND (signal ground)

Voltage

Source

DVM

Voltage

Source

++--

CH1 CH2 CH3 CH8

++++

-- - -

CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 CH9

CH30 CH31 CH32 S.GND (signal ground)

Voltage

Calibrator

Voltage

Calibrator

CH1 CH2 CH3 CH8

-- - -

DVM

DAC1/DAC2

SGND (signal ground)

DI-720 Series Instruments And

16 DI-730 General-Purpose Channels

DI-722 and DI-730 Series 8 Wide-Range Channels (accessible from the front panel). Channels should be measured in isolation and not in groups with the shortest lead possible.

Or if you are using the alternative voltage calibrator, the following figure illustrates the necessary connections:

DI-720 Series Instruments

16 DI-730 General-Purpose Channels

DI-722 and DI-730 Series 8 Wide-Range Channels (accessible from the front panel). Channels should be measured in isolation and not in groups with the shortest lead possible.

D/A Calibration (DI-720 Series Only)

D/A calibration involves adjusting the analog outputs to the correct full-scale range using the analog data value. The following figure illustrates the necessary connections:

When the above circuit is connected, the calibration program can be initiated by typing “DI720CAL” at the DOS prompt. D/A calibration is accomplished by following the on screen prompts.

Calibration Verification

DI–720/DI–722/DI–730 Series User Manual

Offset Calibration Verification (DI-720 and DI-722 Instruments Only)

1. Connect your voltage calibrator, or combination DVM and voltage source to your DI-7XX instrument as shown above. Apply zero volts to the instrument (or short the instrument's analog channel input to ground).

2. Open the W Since all channels are adjusted together, any channel may be selected. Enable a maximum burst sample rate of 50,000 Hz by selecting EDIT-PREFERENCES- MAX SAMPLE RATE. Enable a W Set the Acquisition Mode to AVERAGE and the gain factor to 1 through W menu for the selected channel.

3. Referring to W given in the OFFSET column of TABLE (1) for the selected gain factor.

4. Repeat steps 2 and 3 using a gain of 2, 4 and 8 for the selected channel.

5. If any readings are out of the acceptable ranges described in TABLE (1) arrange to have your instrument recalibrated by DATAQ Instruments.

INDAQ/Lite/Pro/Pro+ data acquisition screen. Enable the channel you will use to quantify offset.

INDAQ sample rate of 50 Hz.

INDAQ’s CHANNEL SETTINGS

INDAQ software's voltage display for the channel you're evaluating, compare this value to that

Full Scale (Span) Calibration Verification (DI-720 and DI-722 Instruments Only)

1. Referring again to TABLE (1) set the instrument's gain to 1 and apply the voltage indicated by the SPAN VOLTAGE column of TABLE (1) to the selected channel. Note that since all channels are calibrated together, any channel may be selected. **NOTE: For DI-722 general purpose channels, refer to TABLE 1. For DI-722 differ- ential channels, refer to TABLE 2.

2. Verify the reading by comparing the value displayed by W SPAN ACCURACY column.

INDAQ software with the value of TABLE (1) in the

3. Repeat for gain selections of 2, 4, and 8.

4. If any readings are out of the acceptable ranges described in TABLE (1) arrange to have your instrument recalibrated by DATAQ Instruments.

TABLE 1

Gain Factor Offset @ 0V Span Voltage Span Accuracy*

1 0V ±20mV 9.800V 9.800V ±25mV 2 0V ±10mV 4.900V 4.900V ±12.5mV 4 0V ±5mV 2.400V 2.400V ±6.25mV 8 0V ±5mV 1.200V 1.200 ±3.125mV

* Excludes offset errors.

TABLE 2 (Only applicable for DI-722 differential channels)

Gain Factor Offset @ 0V Span Voltage Span Accuracy*

1 0V ±40mV 19.600V 19.600V ±50mV 2 0V ±20mV 9.800V 9.800V ±25mV 4 0V ±10mV 4.800V 4.800V ±12.5mV 8 0V ±10mV 2.400V 2.400 ±6.25mV

* Excludes offset errors

Calibration Verification

DI–720/DI–722/DI–730 Series User Manual

Offset Calibration Verification (DI-730 Instruments only)

1. Connect your voltage calibrator, or combination DVM and voltage source to your DI-730 instrument as shown above. Apply zero volts to the instrument (or short the instrument's analog channel input to ground).

2. Open the W

INDAQ/Lite/Pro/Pro+ data acquisition screen. Enable the channel you want to verify. Enable a maxi-

mum burst sample rate of 50,000 Hz by selecting EDIT-PREFERENCES-MAX SAMPLE RATE. Enable a W

INDAQ sample rate of 50 Hz. Set the Acquisition Mode to AVERAGE select the 10mV range through

INDAQ's CHANNEL SETTINGS menu for the selected channel.

3. Referring to W

INDAQ software's voltage display for the channel you're evaluating, compare this value to that

given in the OFFSET column of TABLE (2) for the selected range.

4. Repeat steps 2 and 3 using for each measurement range.

5. Select the next channel, and repeat steps 2 through 4.

6. If any readings are out of the acceptable ranges described in TABLE (2) arrange to have your instrument recalibrated by DATAQ Instruments.

Full Scale (Span) Calibration Verification (DI-730 Instruments Only)

1. Referring again to TABLE (2) select the 10mV range and apply the voltage indicated by the SPAN VOLTAGE column of TABLE (2) to the selected channel.

2. Verify the reading by comparing the value displayed by W SPAN ACCURACY column.

3. Repeat steps 1 and 2 for all ranges.

INDAQ software with the value of TABLE (2) in the

4. Repeat steps 1 through 3 for all channels.

5. If any readings are out of the acceptable ranges described in TABLE (1) arrange to have your instrument recalibrated by DATAQ Instruments.

TABLE (2)

Channel Group Range Offset @ 0V Span Voltage Span Accuracy*

1 through 8 10mV 0 ±0.04mV 9mV 9mV ±0.025mV**

100mV 0 ±0.4mV 90mV 90mV ±0.25mV**

1V 0 ±4mV 900mV 900mV ±2.5mV

10V 0 ±10mV 9V 9V ±25mV

100V 0 ±100mV 90V 90V ±250mV

1000V 0 ±1V 700V 700V ±2.5V

17 through 32 10V 0 ±5mV 9V 9V ±25mV

5V 0 ±3mV 4.5V 4.5V ±12.5mV

2.5V 0 ±2mV 2V 2V ±6.25mV

1.25V 0 ±1mV 1V 1V ±3.125mV *Excludes offset errors.

** These low-level measurements require an environment free from electrical noise.

Calibration Verification

6. Block Diagram

DI-720 Series

DI–720/DI–722/DI–730 Series User Manual

Block Diagram

DI–720/DI–722/DI–730 Series User Manual

DI-722 Series

Block Diagram

DI-730 Series (Analog Input)

I S O L A T

I O N

DI–720/DI–722/DI–730 Series User Manual

Block Diagram

DI–720/DI–722/DI–730 Series User Manual

Clock In

Clock Out

Sync In

Sync Out

Clock In

10/100

BaseT

Sync Out

Sync In

Clock Out

Interrupt

Synchronous Clock

Synced ADC Clock

Command,

Status,

Data,

Address

Link

RJ45

Toward PC

RJ45

Expansion

Sync Start

Encoder/Decoder

PLL Clock

Reconstruction

Ethernet

Controller

Ethernet

Switch

Interface

Controller

DSP

ADC

Ethernet Interface

DI-720 or DI-730

Link

Ethernet Instruments

Block Diagram

DI–720/DI–722/DI–730 Series User Manual

7. Accessories

This section describes hardware products that may be used with DI-720, DI-722, and DI-730 Series instruments.

The DI-705: Signal Input/Output Option .......................................................................................... 40

The DI-205: Signal Input/Output Panel ............................................................................................. 41

DI-725(E) Channel Expansion Unit .................................................................................................. 46

DI-78B 8B Module Channel Expander ............................................................................................. 52

DI-8B Modules .................................................................................................. .... ..... ....................... 60

DI-8B30/31 Analog Voltage Input Modules, 3Hz Bandwidth ................................................... 60

DI-8B32 Analog Current Input Modules .................................................................................... 61

DI-8B34 Linearized 2- or 3-Wire RTD Input Modules .............................................................. 62

DI-8B35 Linearized 4-Wire RTD Input Modules ....................................................................... 63

DI-8B36 Potentiometer Input Modules ....................................................................................... 64

DI-8B38 Strain Gage Input Modules, Narrow & Wide Bandwidth ........................................... 65