background image

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

DI-4718B

8-Channel USB or Ethernet Data Logger for DI-8B Modules

User's Manual

Manual Revision B

Copyright © 2019 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

IN

D

AQ

 are registered trademarks of DATAQ Instruments, Inc. All rights reserved.

DATAQ Instruments, Inc.

241 Springside Drive

Akron, Ohio 44333 U.S.A.

Telephone: 330-668-1444

Fax: 330-666-5434

Designed and manufactured in the

United States of America

Summary of Contents for DI-4718B

Page 1: ...al 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...

Page 2: ......

Page 3: ...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 Instrumen...

Page 4: ......

Page 5: ...12 Low pass Filter 12 Resolution as a Function of Sample Rate 13 Built In Remote Control Jack 14 WinDaq Remote Events 14 WinDaq Remote Storage 15 General Purpose Digital Inputs 15 Instrument Rear Pane...

Page 6: ...Wire RTD Input Modules 32 DI 8B35 Linearized 4 Wire RTD Input Modules 33 DI 8B36 Potentiometer Input Modules 34 DI 8B38 Strain Gage Input Modules Narrow Wide Bandwidth 35 DI 8B40 41 Analog Voltage In...

Page 7: ...ssion through their PC then record data in the field to removable flash memory via the USB drive port without being connected to their PC ChannelStretch not supported in stand alone mode Stand alone d...

Page 8: ...creen It operates displays and records data in real time when connected to your PC An optional unlock code is available to sync multiple units into a single WinDaq file WINDAQ Waveform Browser playbac...

Page 9: ...r sampling Stand alone None CJC Error 1 5 C plus 8B Module Isolation via DI 8B Modules Input to Output 1000VDC Peak AC Channel to Channel 500VDC Peak AC Digital Inputs Ports 2 Maximum drain voltage 25...

Page 10: ...for status indication Power Connector USB 9 to 36 VDC 2 watts 8B modules Ethernet 9 to 36 VDC 2 5 watts 8B modules Ethernet Connector RJ45 Optional PoE Front Panel Connections Input connectors Two rem...

Page 11: ...ating Temperature 0 C to 50 C 32 F to 122 F Operating Humidity 0 to 90 non condensing Storage Temperature 20 C to 60 C 4 F to 140 F Storage Humidity 0 to 90 non condensing Physical Characteristics Enc...

Page 12: ......

Page 13: ...l packing material in the unlikely event that your unit must for any reason be sent back to DATAQ Instruments Install WINDAQ Software and the WinDaq Dashboard All software for the DI 4718B can be inst...

Page 14: ...d apply power All DI 4718B versions can be connected to your com puter s USB port using the provided USB cable for configuration Ethernet models can also be connected to your computer anywhere on your...

Page 15: ...Connections The two 16 port screw terminals on the front of the instrument are used to interface analog input channels 1 through 8 Each channel has four terminals In In Ex and Ex for input signals and...

Page 16: ...uit board apart from the casing to reveal the DI 8B backplane 7 Plug the DI 8B module firmly into one of the channel positions clearly labelled on the backplane and secure with the set screw DI 8B mod...

Page 17: ...own CJC enable jumper located in front of each channel position on the instrument circuit board 1 Unplug the device and make sure there is no power to the instrument 2 Remove the front panel and beze...

Page 18: ...the pressure flap tightens only against the signal wire and not the wire insulation Do not over tighten 3 Tug gently on the signal lead to ensure that it is firmly secured When an input signal is con...

Page 19: ...cy are permanently disabled for the DI 4718B as are Input Types Nonlinear and Thermocouple and selections for Unipolar and Fahrenheit Resolution as a Function of Sample Rate The resolution of the DI 4...

Page 20: ...ents Once the switch closure or TTL signal is connected activate Remote Events through WINDAQ Acquisition Software Events may be automatically placed on the rising or falling edge of the trigger signa...

Page 21: ...on the rising or falling edge of the trigger signal 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 O...

Page 22: ...rt allows you to connect the instrument to your PC via Ethernet cable When in Ethernet mode the USB connection is inactive Mini B USB Port The Interface port allows you to connect the instrument to yo...

Page 23: ...rument is in Error mode mode LED is solid red some action must be taken to fix the error before you can use it Generally the Control But ton can be used to make the instrument operational again when i...

Page 24: ...configuration 1 Save configuration files to your USB thumb drive 2 Confirm device is in Idle mode for USB Flash Drive mode LED blinks Green Yellow 3 Push and hold the Control button 4 Plug the thumb d...

Page 25: ...uiring data and waiting for a trigger condition to begin recording to your USB thumb drive Do not remove power or the USB thumb drive either could result in data file corruption Blinking Blue Cyan Re...

Page 26: ...settings configure your instrument for stand alone data logging to record data to a USB flash drive and access the USB thumb drive via the Ethernet interface Devices in a ChannelStretch Group can syn...

Page 27: ...other USB devices via the USB interface The DI 4718B E can also synchronize with other Ethernet instruments via the Ethernet interface Connect up to 16 DI 4718B DI 1120 DI 4108 and or DI 4208 devices...

Page 28: ...as the PC that is recording the data 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 power...

Page 29: ...l Instrument Controls Indicators and Connections 23 Channel Selection Devices are listed in the Channel Selection grid in alpha numeric order of the serial numbers of the device All devices must be co...

Page 30: ......

Page 31: ...ed Go to https www dataq com products di 4718b di 4718b u html or https www dataq com products di 4718b di 4718b e html to purchase the unlock code under Accessories or call 330 668 1444 Once purchase...

Page 32: ......

Page 33: ...DI 4718B Series Hardware Manual Dimensional Drawing 27 6 Dimensional Drawing SIDE VIEW 0 750 1 125 1 000 4 000 5 000 0 230 5 230 0 120 4 40 MOUNTING HOLE 4 PLACES FRONT VIEW 1 485 4 140...

Page 34: ...DI 4718B Series Hardware Manual Dimensional Drawing 28...

Page 35: ...anti aliasing and the other two are on the system side A special input circuit on the DI 8B30 and DI 8B31 modules provides protection against accidental connection of power line voltages up to 240VAC...

Page 36: ...frequency response which provides 70dB of normal mode rejection at 60Hz One pole of this filter is on the field side of the isolation barrier for anti aliasing and the other two are on the system sid...

Page 37: ...then chopped by a proprietary chopper circuit and transferred across the transformer isolation barrier suppressing transmission of common mode spikes and surges The computer side circuitry reconstruc...

Page 38: ...a three pole filter optimized for time and frequency response which provides 70dB of normal mode rejection at 60Hz One pole of this filter is on the field side of the isolation barrier for anti alias...

Page 39: ...tion current does not flow in the input signal leads which allows RTD measurements to be made independent of lead resistance The excitation cur rents are small 0 25mA which minimizes self heating of t...

Page 40: ...self heating of the potentiometer Signal filtering is accomplished with a three pole filter optimized for time and frequency response which provides 70dB of normal mode rejection at 60Hz One pole of...

Page 41: ...e of the isolation barrier for anti aliasing and the other four are on the system side A special input circuit on the DI 8B38 module provides protection against accidental connection of power line vol...

Page 42: ...system side A special input circuit on the DI 8B40 and DI 8B41 modules provides protection against accidental connection of power line voltages up to 240VAC Clamp Circuits on the I O and power termin...

Page 43: ...se which provides 60dB per decade of normal mode rejection above 100Hz One pole of this filter is on the field side of the isolation barrier for anti aliasing and the other two are on the system side...

Page 44: ...r for anti aliasing and the other four are on the system side A special input circuit on the 8B43 modules provides protection against accidental connection of power line voltages up to 240VAC Clamp ci...

Page 45: ...rs The excitation is available on the EXC terminal with return on the terminal A special input circuit on the DI 8B45 modules provides protection against accidental connection of power line volt ages...

Page 46: ...mode rejection at 60Hz One pole of this filter is on the field side of the isolation barrier for anti aliasing and the other two are on the system side A special input circuit on the DI 8B47 module pr...

Page 47: ...e system side A special input circuit on the DI 8B50 and DI 8B51 modules provides protection against accidental connection of power line voltages up to 240VAC Clamp circuits on the I O and power termi...

Page 48: ......

Reviews: