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Dataq DI-2108, User Manual

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DI-2108 Hardware Manual

Controls, Indicators, and Connections

23

4-20mA Current Loop Measurements

Use the following diagram for 4-20mA current loop measurement connections.

The shunt resistor should be placed on the low side of the circuit as shown below:

Status

D0

D1

D2

D3

D4

D5

D6

Model DI-2108

USB

Button

+5V GnD

CH8

CH7

CH6

CH5

CH4

CH3

CH2

CH1

±100V Max

0-25V Max

Count

Rate

Record

Event

Drive

www.dataq.com

±10V  F.S.

Shunt Resistor 

Model R250

+

-

4-20 mA 

current source

Ÿ

Shunt Resistor

I

4-20mA

Current Loop 

Transmitter

Loop Power 

Supply

To DI-2108

Analog Input Channel

+

-

+

-

Summary of Contents for DI-2108

Page 1: ...mical 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 I...

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Page 3: ...o 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 Instrume...

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Page 5: ...lter 12 Resolution as a Function of Sample Rate 13 Digital Ports 14 WinDaq Remote Events D0 Event 15 WinDaq Remote Storage D1 Record 17 WinDaq Rate D2 Rate 17 WinDaq Counter D3 Count 19 General Purpos...

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Page 7: ...o removable flash memory via the USB drive port without being connected to their PC Stand alone data log ging requires Unlock code to record more than 1 channel to removable flash memory Low pass filt...

Page 8: ...an easy way to review and analyze acquired waveforms A built in data file translator allows the user to display multiple waveforms acquired by WINDAQ Acquisition software or any of a wide range of da...

Page 9: ...ital input or switch Pull up value 4 7 k Input high voltage threshold 2 4V Input low voltage threshold 0 8V Absolute maximum applied voltage V 25V Reserved Digital Inputs Port 1 WINDAQ remote events P...

Page 10: ...Number of Channels 1 Unlock code required for 2 or more Indicators and Connections Interface USB 2 0 mini B style connector Indicator light Multi color LED USB A Connector Drive USB drive for Stand al...

Page 11: ...DI 2108 Hardware Manual Specifications 5 Software Support WINDAQ software OS support Check online at http www dataq com products windaq windows compatability Programming Instrument Protocol...

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Page 13: ...e original packing material in the unlikely event that your unit must for any reason be sent back to DATAQ Instruments Install WINDAQ Software All software for the DI 4718B can be installed via a down...

Page 14: ...strument to Your Computer DI 2108 instruments can be connected to your computer s USB port using the provided USB cable No external power is required Connect one end of the communications cable to the...

Page 15: ...following for screw terminal port identification Ch Analog channels 1 8 10VFS 100V transient max Status D0 D1 D2 D3 D4 D5 D6 Model DI 2108 USB Button 5V GnD CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH1 100V Max 0...

Page 16: ...Max current 100mA GnD Ground Connecting Signal Leads Connect signal leads to the DI 2108 1 Insert the stripped end of a signal lead into the desired terminal directly under the screw 2 Tighten the pr...

Page 17: ...10V CH1 to CH8 Designed to withstand 100 V dc or peak ac Use the following diagram to connect Analog Input Channel 1 100K Ref AIN 100K 10K 10K AIN Status D0 D1 D2 D3 D4 D5 D6 Model DI 2108 USB Button...

Page 18: ...response is optimized when sampling frequency is set to ten times the highest frequency of interest When choosing an acquisition method in WinDaq menu item Edit Channel Settings Last Point Maximum and...

Page 19: ...tion of Sample Rate The resolution of the DI 4718B is a function of sample rate The lower the sample rate the higher the resolution ADC resolution R is a function of selected sample rate per channel F...

Page 20: ...ts also provide specific functionality in WINDAQ or a third party program D0 Event is for WINDAQ Remote Events This bit inserts an event marker in your data D1 Record is for WINDAQ Remote Storage This...

Page 21: ...to high transitions of the Event input Use the menu command Options Remote Events to set WINDAQ to place event markers on high to low transi tions of the Event input Event markers may also be placed...

Page 22: ...Indicators and Connections 16 An example event marker in a WINDAQ data file is shown below Please Note Event Markers do not display in the real time WINDAQ acquisition software they only display in t...

Page 23: ...nal Use the menu command Options Remote Storage 1 to set WINDAQ to begin recording on low to high transitions of the Record input Use the menu command Options Remote Storage 0 to set WINDAQ to begin r...

Page 24: ...nnel 10 in the channel display then select Edit Channel Settings in the menu to specify a full scale range for the Rate channel Ranges of 10 20 50 100 200 500 1000 2000 5000 10000 20000 and 50000 Hz a...

Page 25: ...ond the measurement interval remains the same Tachometer measurements in units of RPM revolutions per min ute is just one example that benefits from selecting this option For example if the 100 Hz ran...

Page 26: ...count value is 65 535 before the counter resets to zero automatically Use the Edit Reset Count command in WINDAQ Acquisition software to reset counts immediately to zero This feature is available in...

Page 27: ...on Edit Channels in the WINDAQ Acquisition menu to open the Channel Selection grid Channel 9 is the designated Digital Input channel Click on the Channel 9 channel box to enable disable the digital i...

Page 28: ...Count inputs if those channels are enabled With Channel 9 selected in the display window click Scaling Digital Plot to show a digital display and make the data more meaningful on screen General Purpo...

Page 29: ...esistor should be placed on the low side of the circuit as shown below Status D0 D1 D2 D3 D4 D5 D6 Model DI 2108 USB Button 5V GnD CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH1 100V Max 0 25V Max Count Rate Record...

Page 30: ...s a multicolor LED for instrument status and notification Use the table below for a detailed description of each available state Vol t EU EU Tag Upper Level 5 20 mA Lower Level 1 4 State Mode Descript...

Page 31: ...cording to your USB thumb drive Do not remove power power interruption could result in data file cor ruption Blinking Blue Green Armed USB thumb Drive is waiting for a trig ger condition The device is...

Page 32: ...ite and is in Idle mode push and hold the Control button This must be com pleted within five seconds after the device is in Idle mode 4 When the mode LED turns red release the Control button 5 The Mod...

Page 33: ...on 4 Plug the thumb drive into the device Drive while holding the button in 5 Release the button when the mode LED changes to Red Black 6 The device will read and load the configuration files to the d...

Page 34: ...tand alone setup window Select and configure all channels available on your device select a sampling interval and setup recording Trigger conditions The Stand alone configuration also allows you to Sa...

Page 35: ...dataq com products di 2108 to purchase the unlock codes go to Accessories or call 330 668 1444 Once purchased you will be given a Key code to enter into WinDaq or the WinDaq Dashboard WinDaq Unlock A...

Page 36: ...t your device and click the menu item Configure Stand Alone Setup 3 Click on the Yes button to enter your code Click on the No button to go to Stand alone configuration for a single channel 4 Enter th...

Page 37: ...DI 2108 Hardware Manual Dimensional Drawing 31 6 Dimensional Drawing Top View Side View All dimensions in inches...

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Page 40: ...nts Inc 241 Springside Drive Akron Ohio 44333 Telephone 330 668 1444 Fax 330 666 5434 Submit a support ticket to www dataq com ticket Direct Product Links click on text to jump to page Data Acquisitio...

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