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Copyright © 2020 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.
DATAQ, the DATAQ logo, and W
8-Channel High Speed USB Data Acquisition System with Programmable Gain
D
are registered trademarks of DATAQ Instruments, Inc. All rights reserved.
IN
AQ
DATAQ Instruments, Inc.
241 Springside Drive
Akron, Ohio 44333 U.S.A.
Telephone: 330-668-1444
Designed and manufactured in the
United States of America
T h e w a y P C - b a s e d i n s t r u m e n t a t i o n s h o u l d b e
Fax: 330-666-5434
DI-2108-P
User's Manual
Manual Revision G
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Summary of Contents for Dataq Instruments DI-2108-P
- Page 1 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.
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Page 3: Warranty And Service Policy
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 1 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. -
Page 5: Table Of Contents
Connect the Instrument to Your Computer ..................8 4. Controls, Indicators, and Connections ..................... 9 Mini-B USB Connection ........................9 Screw Terminals ..........................9 DI-2108-P Signal Connections ....................10 Connecting Signal Leads ......................10 Analog Inputs ..........................11 Digital Ports ..........................13 WinDaq Remote Events (D0 Event) .................. -
Page 7: Introduction
Digital I/O The DI-2108-P contains seven digital ports, that may be used individually as a general-purpose digital input or for a specific function as designated on the device. Digital port D0 may be used for WinDaq Events; Digital port D1 may be used for WinDaq remote Start/Stop;... -
Page 8: Software
DI-2108-P Hardware Manual Software All software required to record and playback waveforms is included with the purchase of any DI-2108-P data acqui- sition system. WinDaq Dashboard The WinDaq Dashboard utility allows you to start WinDaq software, configure and start stand-alone data logging, and set the instrument clock to your PC. -
Page 9: Specifications
DI-2108-P Hardware Manual 2. Specifications Analog Inputs Number of Channels: Channel Configuration: Differential Measurement range per channel: Programmable ±2.5, ±5, ±10, 0-5, 0-10 Volts Input impedance: 800 k differential DC accuracy: ±0.05% of range 25°C, excluding common mode error Absolute maximum input without damage: ±150 V dc or peak ac (normal mode + common mode) Common mode range: ±228 V dc or peak ac... - Page 10 Channel skew between any 2 units: 10 µS, typical Setup constraints: Syncs only with other model DI-2108-P instruments. Same number of enabled channels per synced unit (type does not matter) Same sample throughput rate per synced unit. All units connected to the same USB controller using one or more hubs.
- Page 11 DI-2108-P Hardware Manual Physical Characteristics Enclosure: Polycarbonate ABS, 0.080 inch thickness Mounting: Desktop; bulkhead Dimensions: 6.68D × 3.28W × 1.13H in. (169.67D × 83.31W × 28.7H cm.) Weight: 5.7 oz. (162 grams) Software Support software: OS support: Check online at http://www.dataq.com/products/windaq/...
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Page 13: Installation
DI-2108-P Hardware Manual 3. Installation The following items are included with each DI-2108-P USB Data Acquisition System. Verify that you have the fol- lowing: • A DI-2108-P USB data acquisition instrument. • 6-foot USB cable. • A DATAQ Instruments screwdriver for signal lead connections. -
Page 14: Connect The Instrument To Your Computer
Connect the Instrument to Your Computer DI-2108-P 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 instrument port and the other to your PC’s port. -
Page 15: Controls, Indicators, And Connections
DI-2108-P Hardware Manual 4. Controls, Indicators, and Connections Digital Ports 0-6 +5V Out Ground USB Drive Even Marker 0-25V Max Push Button +5V GnD Drive Event Record Rate Count Model DI-2108-P Button Bulkhead Bulkhead www.dataq.com mounting ear mounting ear Status Status LED ±150V Max... -
Page 16: Di-2108-P Signal Connections
D2 Rate — Rate Input (or general-purpose) D3 Count — Counter Input (or general-purpose) D4 and D5 — General-purpose digital ports D6 Ext Trig — General-purpose for DI-2108-P +5V: +4.75V out. Max current = 100mA. GnD: Ground. Connecting Signal Leads Connect signal leads to the DI-2108-P: Insert the stripped end of a signal lead into the desired terminal directly under the screw. -
Page 17: Analog Inputs
+5V GnD Event Record Rate Count Event Record Rate Count Ext Trig Model DI-2108-P Button Model DI-2108-P High Speed DAQ Button www.dataq.com www.dataq.com Status Download software at run.dataq.com ±300V Max ±150V Max Signal + Signal - Controls, Indicators, and Connections... - Page 18 DI-2108-P Hardware Manual Specify a full scale range for the channel in the menu item Edit > Channel Settings. ±2.5, ±5, and ±10 Volts are available. Select Unipolar for ranges of 0-5V or 0-10V. Scroll through all enabled channels with the Next and Previous buttons.
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Page 19: Digital Ports
D2 Rate is for Rate measurements: 10Hz to 50kHz. D3 Count is for Counter/Timer measurements up to 65,536. D4 and D5 are general-purpose digital inputs. D6 Ext Trig is a general-purpose digital input on the DI-2108-P. Equivalent Digital I/O Circuit: 3.3V 4.7K... -
Page 20: Windaq Remote Events (D0 Event)
Event input. Event markers may also be placed in your data file manually by pressing the push button on the DI-2108-P Instru- ment. You must enable Remote Events in W to use the button (use the menu command Options >... - Page 21 DI-2108-P Hardware Manual An example event marker in a W data file is shown below. *Please Note: Event Markers do not display in the real-time W acquisition software - they only display in the playback software (WWB). Controls, Indicators, and Connections...
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Page 22: Windaq Remote Storage (D1 Record)
DI-2108-P Hardware Manual Remote Storage (D1 Record) To use a switch closure or TTL signal to begin recording data remotely, connect signal leads to the appropriate Remote Control Record terminals on the DI-2108-P as shown below. Signal + Signal -... - Page 23 Rate channel. Click on the Channel 10 channel box to enable/disable Rates. The Channel 10 channel box will display an “R” when enabled. Connect any TTL pulse stream (25 VDC max) to the D2 Rate channel on the DI-2108-P. Signal +...
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Page 24: Windaq Counter (D3 Count)
DI-2108-P Hardware Manual frequency at that rate is 100 Hz, you would choose the 100 Hz range setting. A range setting of 200 Hz full scale sac- rifices half of the instrument's resolution at 200 gallons per minute, and a range of 50 Hz allows measurements to only 50 gallons per minute full scale. - Page 25 DI-2108-P Hardware Manual Acquisition menu to open the Channel Selection grid. Channel 11 is the designated Count channel. Click on the Channel 11 channel box to enable/disable Counts. The Channel 11 channel box will display a “C” when enabled. The counter channel accumulates counts over time whether recording or in standby mode as soon as the Counter channel is enabled.
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Page 26: General Purpose Digital Inputs
DI-2108-P Hardware Manual Connect any TTL pulse stream (25 VDC max) to the D3 Count channel on the DI-2108-P. Signal + Signal - 0-25V Max 0-25V Max +5V GnD Drive +5V GnD Event Record Rate Count Event Record Rate Count... -
Page 27: General Purpose Digital Outputs
DI-2108-P Hardware Manual Channel 9 records and displays all the digital inputs, even the state of the Rate and 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 using WinDaq. -
Page 28: 4-20Ma Current Loop Measurements
+5V GnD Event Record Rate Count Event Record Rate Count Ext Trig Model DI-2108-P Button Model DI-2108-P High Speed DAQ Button www.dataq.com www.dataq.com Status Download software at run.dataq.com ±300V Max ±150V Max Shunt Resistor Model R250 4-20 mA current source... -
Page 29: Led Status Indicator
You can also associate these values to a physical measurement such as pressure, load, flow, torque, etc. Read the Help files for more information regarding Engineering Units Settings. LED Status Indicator The DI-2108-P provides a multicolor LED for instrument status and notification. Use the table below for a detailed description of each available state. State... -
Page 30: Usb Drive Port
DI-2108-P Hardware Manual Recording Data The device is acquiring data and recording to your USB thumb drive. Do not remove power - power interruption could result in data file cor- to USB thumb ruption. Drive Blinking Blue/ Green Armed The device is acquiring data and waiting for a trigger condition to begin recording to your USB thumb drive. -
Page 31: Stop Recording To Usb Thumb Drive
Switching between LibUSB and CDC Modes The native communication mode of the DI-2108-P is LibUSB but it can be switched to the USB CDC (Communication Device Class). CDC mode allows the USB port of DI-2108-P devices to appear like a traditional RS-232 port, which is common across most operating systems and development languages. -
Page 32: Apply Stand-Alone Configuration To Device
DI-2108-P Hardware Manual Apply Stand-alone Configuration to Device Load stand-alone configuration settings using the Control Button. Stand-alone configurations can also be applied via the Dashboard (preferred method). Device must be in Idle mode for USB thumb Drive (mode LED blinks green/ yellow). -
Page 33: Channelstretch
ChannelStretch™ Connect up to 16 DI-2108-P devices with a powered USB hub (or multiple cascaded/connected powered USB hubs) to record more than 8 channels of data to a single WinDaq file. This provides a total of up to 128 analog channels and 112 digital ports at a maximum throughput rate of 480 kHz. -
Page 34: Connection
Analog Inputs (±2 to 100 VFS, 120V rms max) Reserved (no connection) *DATAQ Instruments 7-port USB hub (part number 2000310). Cascade for a higher port count. *Please Note: Because of the way Windows operating systems manage USB controllers, the only way to be absolutely sure you are on the same controller is to use a powered USB hub. -
Page 35: Channel Selection
DI-2108-P Hardware Manual Channel Selection Devices are listed in the Channel Selection grid in alpha-numeric order of the serial numbers of the device. Devices must be connected to the USB hub before starting WinDaq. Enable the same number of channels in each device you would like to record data from. -
Page 36: Sample Rate
DI-2108-P Hardware Manual Sample Rate The sample rate for DI-2108-P devices is set as a per device throughput rate or “Sample Rate/Device.” Select Edit > Sample Rate in the main menu or press F3. The sample rate per channel is displayed in the lower left corner of the WinDaq screen at S/s/CHAN: (samples per second per channel). -
Page 37: Unlock Windaq Or Stand-Alone Operation
Operation The DI-2108-P will record up to four channels using WinDaq/Lite software and a single channel to the USB thumb drive. An unlock code is required to record more than 4 channels using WinDaq software or to the USB thumb drive. - Page 38 DI-2108-P Hardware Manual Select your device and click the menu item Configure > Stand Alone Setup. Click on the Yes button to enter your code. Click on the No button to go to Stand-alone configuration for a single channel. Enter the Key in the appropriate dialog boxes.
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Page 39: Dimensional Drawing
DI-2108-P Hardware Manual 6. Dimensional Drawing Top View Side View All dimensions in inches Dimensional Drawing... - Page 42 DATAQ Instruments, 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 Acquisition | Data Logger...
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