Dataq DI-700 Bedienungsanleitung
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DI-700
Software-Configurable USB Recording Instrument
User's Manual
Manual Revision E
Software Release Level 1
Copyright © 2004 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 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.
241 Springside Dr.
Akron, Ohio 44333 USA
www.dataq.com
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–700 Series User Manual
Table of Contents
v
Table of Contents
Warranty and Service Policy ................................................................................................................ iii
1. Introduction ........................................................................................................................................ 1
Features .............................................................................................................................................. 1
Analog Input ...................................................................................................................................... 1
Digital Input and Output .................................................................................................................... 1
2. Specifications. ..................................................................................................................................... 3
Signal Connections ............................................................................................................................ 3
Interface Characteristics .................................................................................................................... 3
Analog Inputs .................................................................................................................................... 3
Digital Input/Output .......................................................................................................................... 3
Input Scan List ................................................................................................................................... 3
On-board Micro Controller ................................................................................................................ 4
Physical/Environmental ..................................................................................................................... 4
3. Getting Started ................................................................................................................................... 5
Unpacking .......................................................................................................................................... 5
Connecting the DI-700 Instrument to your Computer and Installing the Driver .............................. 5
DI-700 Instrument Controls and Indicators ....................................................................................... 7
Instrument Rear Panel ................................................................................................................. 7
Instrument Front Panel ................................................................................................................ 8
4. Accessories .......................................................................................................................................... 9
The DI-705: Signal Input/Output Option .......................................................................................... 9
General ........................................................................................................................................ 9
Input Signal Configuration .......................................................................................................... 9
The DI-75B: 5B Module Expander ................................................................................................... 9
CABL-4: Female 37-pin “D” to 16 BNC Connectors ....................................................................... 9
CABL-5: Male to Female 37-pin “D” ............................................................................................... 10
5. Block Diagram .................................................................................................................................... 11
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DI–700 Series User Manual
Introduction
1
1. Introduction
Congratulations on your purchase of the DI-700 data acquisition instrument. It permits data acquisition through the
USB port on IBM personal computers and compatibles running Windows 98 Operating System or higher.
This manual describes how to connect and use the DI-700. It does not describe any software in detail other than the
installation software.
Features
The DI-700 provides the following features:
• It connects to the USB port of any desktop, transportable, notebook, or laptop PC-compatible computer.
• Per channel software-configurable settings:
Single-ended or differential input.
Input gain.
• Power is derived from the USB port, no external power is required.
• 975 samples/second maximum sampling rate.
• 16-bit A/D converter, for high resolution measurement accuracy.
• 16-entry input scan list allows you to scan any sequence of input channels at any available gain.
The following provides a brief overview of the major subsystems of the DI-700:
Analog Input
16 single-ended or 8 differential analog inputs allow your analog signals to be converted into 16-bit digital data via
the onboard A/D converter.
The DI-700 features the following software-programmable input measurement ranges:
Digital Input and Output
The DI-700 contains 8 input and 8 output lines for input/output operations. 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 equip-
ment.
PGL Models PGH Models
±10V full scale measurement range at a gain of 1 ±10V full scale measurement range at a gain of 1
±1V full scale measurement range at a gain of 10 ±5V full scale measurement range at a gain of 2
±100mV full scale measurement range at a gain of 100 ±2.5V full scale measurement range at a gain of 4
±10mV full scale measurement range at a gain of 1000 ±1.25V full scale measurement range at a gain of 8
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DI–700 Series User Manual
Specifications
3
2. Specifications.
Signal Connections
Signal connections are made directly to the 37-pin, D-type connector on the front panel of the instrument. Signal
connections can also be made with the DI-705, which is an optional, screw terminal signal interface that plugs into
the 37-pin connector and allows you to connect bare-wire analog input signals to the DI-700. Refer to chapter 5
Accessories in this manual for complete DI-705 details. Note that the DI-705 is an extra-cost option that is not
included with the purchase of a DI-700 instrument
Interface Characteristics
Compatible computer architecture: Connects to computer via the USB (universal serial bus) port.
Analog Inputs
Number of input channels: 16 single-ended, 8 differential (software selectable per channel)
Converter resolution: 16-bit
Common mode rejection ratio: 60 dB minimum, 1kW unbalance @ 60 Hz
Accuracy: ±0.25% of full scale range
Crosstalk: 60 dB @ 975Hz sample rate
Sample throughput rate: 975 samples/second max
Maximum analog measurement range (software selectable per channel):
PGL Models: PGH Models:
±10V full scale at a gain of 1 ±10V full scale at a gain of 1
±1V full scale at a gain of 10 ±5V full scale at a gain of 2
±100mV full scale at a gain of 100 ±2.5V full scale at a gain of 4
±10mV full scale at a gain of 1000 ±1.25V full scale at a gain of 8
Gain error 1 bit max @ 1kHz sample rate
Input offset voltage 1 bit max @ 1kHz sample rate
Input settling time 1ms to 0.01% at all gains
Input impedance 1 MW
Digital Input/Output
Capacity 8 each input and output
Compatibility TTL compatible
Max source current 0.4mA @ 2.4V
Max sink current 7.2mA @ 1V
Digital input termination 4.7kW pull-up to +5VDC
Input Scan List
Capacity 16 elements
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DI–700 Series User Manual
Specifications
4
On-board Micro Controller
Type Cypress 7C63411 @ 6MHz
Physical/Environmental
Box dimensions 4"W by 5.5"L by 1.52"H
I/O connector 37-pin male D-type
Weight 1 lb
Operating environment:
Component temperature 0º to 70º C
Relative humidity 0% to 90% non condensing
Storage environment:
Temperature -55º to 150º C
Relative humidity 0% to 90% non condensing
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