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Dataq DI-4718B User Manual

8-channel usb or ethernet data logger for di-8b modules
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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
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
8-Channel USB or Ethernet Data Logger for DI-8B Modules
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
Fax: 330-666-5434
Designed and manufactured in the
United States of America
DI-4718B
User's Manual
Manual Revision B

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Summary of Contents for Dataq DI-4718B

  • 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.

  • 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

    DI-4718B Series Hardware Manual Table of Contents Warranty and Service Policy ........................ iii 1. Introduction ............................1 Features .............................. 1 Analog Inputs ............................ 1 Digital I/O ............................1 Software ............................. 2 WinDaq® Recording and Playback Software ................2 Help ............................. 2 2.
  • Page 6 DI-4718B Series Hardware Manual 6. Dimensional Drawing ......................... 27 7. DI-8B Modules ............................ 29 DI-8B30/31 Analog Voltage Input Modules, 3Hz Bandwidth ............29 DI-8B32 Analog Current Input Modules ................... 30 DI-8B33 True RMS Input Modules ....................31 DI-8B34 Linearized 2- or 3-Wire RTD Input Modules ..............32 DI-8B35 Linearized 4-Wire RTD Input Modules ................

  • Page 7: Introduction

    DI-4718B Series Hardware Manual 1. Introduction This manual contains information designed to familiarize you with the features and functions of the DI-4718B data acquisition systems. Features DI-4718B series instruments are extremely versatile with multiple interface options, high resolution, expandability with ChannelStretch™, and fast throughput rates. Features include: •...

  • Page 8: Software

    Dataq Instruments Hardware Manager (when configuring the instrument for Stand-alone operation). Software All software required to record and playback waveforms is included with the purchase of any DI-4718B data acquisi- tion system. Software is located on the USB thumb drive included with your instrument or via the internet at run.dataq.com.

  • Page 9: Specifications

    DI-4718B Series Hardware Manual 2. Specifications Analog Inputs Number of Channels: 8 configured for signal conditioned inputs Channel Configuration: Defined by DI-8B Module Measurement range per channel: Defined by DI-8B Module Accuracy: ±0.25% FSR (at 1800 S/s, averaging mode) Input impedance:...
  • Page 10 DI-4718B Series Hardware Manual Calibration Calibration cycle: One year Ethernet Interface Type: 10/100Base-T Connector: RJ-45 Protocol: TCP/IP Server Type: DHCP or Fixed IP Removable Memory Type: MLC, pSLC, or SLC flash memory (with USB SD card reader); USB thumb drive...
  • Page 11 Power Requirements: USB: 9 to 36 VDC, 2 watts + 8B modules Ethernet: 9 to 36 VDC, 2.5 watts + 8B modules Software Support software: OS support: Check online at http://www.dataq.com/products/windaq/ windows-compatability/ Programming: Instrument Protocol, .NET class, ActiveX Control Specifications...

  • Page 13: Installation

    A USB flash drive with WinDaq software. Can also be used for stand-alone data logging. If an item is missing or damaged, call DATAQ Instruments at 330-668-1444. We will guide you through the appropri- ate 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.
  • Page 14 Installation. You may now connect the device to your PC and 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 subnet.

  • Page 15: Instrument Controls, Indicators, And Connections

    Indicators, and Connections Instrument Front Panel The front panel of DI-4718B instruments provide screw terminal connection ports for analog input signal leads. The front panel also provides remote events and stop/start remote recording control features via a built-in remote control jack.

  • Page 16: Installing Di-8B Modules

    Installing DI-8B Modules DI-4718B Series instruments can accept up to eight DI-8B modules. Modules are installed to the DI-8B backplane located on the instrument circuit board. You must remove the front panel and bezel and the ground lug on the rear of the instrument to access the DI-8B backplane.

  • Page 17: Enabling Cjc For Thermocouple Modules

    Install a jumper onto the board for each channel that uses a thermocouple module. Eight jumpers are provided with the DI-4718B for this purpose. Note: If you are not using a Thermocouple Input Module on that channel be sure the jumper is disabled (removed or installed on only one pin) because this will affect the input signal.

  • Page 18: Connecting Signals

    DI–4718B Series Hardware Manual Connecting Signals Use the removable screw terminal blocks located on the front of the instrument to connect your analog input signals. Refer to the Screw Terminal Access sticker on the top of the instrument for pinout. Insert the stripped end of a signal lead into the desired terminal directly under the screw.

  • Page 19: Resolution As A Function Of Sample Rate

    Resolution as a Function 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), and the number of enabled analog channels (C):...

  • Page 20: Built-In Remote Control Jack

    DI–4718B Series Hardware Manual Built-In Remote Control Jack The built-in remote control jack located on the front panel of the DI-4718B accepts a standard 3.5mm stereo phone plug (provided) and provides access to remote events and stop/start remote recording control features in WinDaq.

  • Page 21: Windaq Remote Storage

    DI–4718B Series 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). Remote Storage Once the switch closure or TTL signal is connected, activate Remote Storage (Record) through W Acquisition Software.

  • Page 22: Instrument Rear Panel

    DI–4718B Series Hardware Manual Instrument Rear Panel The rear panel of DI-4718B instruments provide access to power and interface connections, ground, status LED, and USB drive port. The rear panel can vary depending on your model. USB Models Button Power...

  • Page 23: Control Button

    Switching between LibUSB and CDC Modes The native communication mode of the DI-4718B is LibUSB but it can be switched to the USB CDC (Communication Device Class). CDC mode allows the USB port of DI-4718B devices to appear like a traditional RS- 232 port, which is common across most operating systems and development languages.

  • Page 24: Apply Ethernet And Stand-Alone Configuration To Device

    DI–4718B Series Hardware Manual Format your USB thumb drive using your PC. Confirm device is in Idle mode for USB Flash Drive (mode LED blinks Green/Yellow). Push and hold the Control button. Plug the formatted (empty) thumb drive into the device (Drive) while holding the button in. Release the button when the mode LED changes to Red/Black.
  • Page 25 DI–4718B Series Hardware Manual Idle The device is connected to and communicating with your PC through the Ethernet port or the device is in Stand-alone mode. The USB inter- Ethernet or USB face is not accessible. Drive Connected Blinking Green/ Yellow Acquiring Data WinDaq Acquisition Software is running and the device is acquiring...

  • Page 26: Windaq Dashboard

    DI–4718B Series Hardware Manual WinDaq Dashboard The WinDaq Dashboard allows you to run WinDaq Data Acquisition software, sync the device clock with your PC, modify Ethernet 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.

  • Page 27: Channelstretch

    WinDaq Dashboard to learn more. ChannelStretch™ Expand the channel count of your DI-4718B with ChannelStretch. Both the DI-4718B-U and the DI-4718B-E can synchronize with other USB devices via the USB interface. The DI-4718B-E can also synchronize with other Ethernet instruments via the Ethernet interface.

  • Page 28: Connection

    Power as required *DATAQ Instruments 7-port USB hub (part number 2000310). Cascade for a higher port count. PC must reside in the same subnet. *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 29: Channel Selection

    DI–4718B Series Hardware Manual 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 connected before starting WinDaq. Instrument Controls, Indicators, and Connections...

  • Page 31: Unlock Windaq

    DI-4718B Series Hardware Manual 5. Unlock WinDaq An unlock code is required to record more than a single channel to the USB flash drive or to use ChannelStretch™ to synchronize multiple instruments (unlock code required for each unit to be synchronized). 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...

  • Page 33: Dimensional Drawing

    DI-4718B Series Hardware Manual 6. Dimensional Drawing SIDE VIEW 4/40 MOUNTING HOLE (4 PLACES ) 1.125" 0.750" 0.120" 0.230" 1.000" 4.000" 5.000" 5.230" FRONT VIEW 1.485" 4.140" Dimensional Drawing...
  • Page 34 DI-4718B Series Hardware Manual Dimensional Drawing...

  • Page 35: Di-8B Modules

    DI–4718B Series Hardware Manual 7. DI-8B Modules DI-8B30/31 Analog Voltage Input Modules, 3Hz Bandwidth Each DI-8B30 or DI-8B31 module isolates, filters and amplifies a voltage input signal and provides an analog voltage output. Signal filtering is accomplished with a three-pole filter optimized for time and frequency response which provides 70dB of normal-mode-rejection at 60Hz.

  • Page 36: Di-8B32 Analog Current Input Modules

    DI–4718B Series Hardware Manual DI-8B32 Analog Current Input Modules Each DI-8B32 module isolates, filters and amplifies a process current input signal and provides an analog voltage output. Current to voltage conversion is accomplished internal to the module to ensure high accuracy. Signal filtering is accomplished with a three-pole filter optimized for time and frequency response which provides 70dB of normal-mode-rejection at 60Hz.

  • Page 37: Di-8B33 True Rms Input Modules

    DI–4718B Series Hardware Manual DI-8B33 True RMS Input Modules Each DI-8B33 True RMS input module provides a single channel of AC input which is converted to its true RMS DC value, filtered, isolated, amplified, and converted to a standard process voltage or current output. The field voltage or current input signal is processed through a pre-amplifier and RMS converter on the field side of the isolation barrier.

  • Page 38: Di-8B34 Linearized 2- Or 3-Wire Rtd Input Modules

    DI–4718B Series Hardware Manual DI-8B34 Linearized 2- or 3-Wire RTD Input Modules Each DI-8B34 module isolates, filters, amplifies, and linearizes a single channel of temperature input from an RTD and provides an analog voltage output. RTD excitation is provided from the module using two matched current sources. When using a 3-wire connection, this method allows equal currents to flow through the sensor leads, cancelling the effects of lead resistances.

  • Page 39: Di-8B35 Linearized 4-Wire Rtd Input Modules

    DI–4718B Series Hardware Manual DI-8B35 Linearized 4-Wire RTD Input Modules In RTD temperature measurement applications requiring a very high level of accuracy, the DI-8B35 4-Wire RTD input module offers a significant advantage over 3-wire measurement techniques (see block diagram). The DI-8B35 measures only the voltage dropped across the RTD and almost completely ignores the resistance or length of the RTD lead wires.

  • Page 40: Di-8B36 Potentiometer Input Modules

    DI–4718B Series Hardware Manual DI-8B36 Potentiometer Input Modules Each DI-8B36 module isolates, filters and amplifies a single channel of potentiometer input and provides an analog voltage output. Excitation for the potentiometer is provided by using two matched current sources. When using a 3-wire connection, this method allows equal currents to flow through the sensor leads, cancelling the effects of lead resistances.

  • Page 41: Di-8B38 Strain Gage Input Modules, Narrow & Wide Bandwidth

    DI–4718B Series Hardware Manual DI-8B38 Strain Gage Input Modules, Narrow & Wide Bandwidth Each DI-8B38 module isolates, filters and amplifies a full-bridge strain gage input signal and provides an analog volt- age output. The 8B38 can interface to transducers with a nominal resistance of 100 to 2k. Bridge excitation is provided from the module with a stable 10.00V or 3.33V source.

  • Page 42: Di-8B40/41 Analog Voltage Input Modules, 1Khz Bandwidth

    DI–4718B Series Hardware Manual DI-8B40/41 Analog Voltage Input Modules, 1kHz Bandwidth Each DI-8B40 and DI-8B41 module isolates, filters, and amplifies a voltage input signal and provides an analog volt- age output. Signal filtering is accomplished with a multiple pole filter optimized for time and frequency response which provides 70dB of normal-mode-rejection at 60Hz.

  • Page 43: Di-8B42 2-Wire Transmitter Interface Modules

    DI–4718B Series Hardware Manual DI-8B42 2-Wire Transmitter Interface Modules Each DI-8B42 module provides power to a current transmitter, then isolates, filters and amplifies the resulting pro- cess current input signal and provides an analog voltage output. Current to voltage conversion is accomplished internal to the module to ensure high accuracy. Signal filtering is accomplished with a three-pole filter optimized for time and frequency response which provides 60dB per decade of normal-mode rejection above 100Hz.

  • Page 44: Di-8B43 Dc Lvdt Input Modules

    DI–4718B Series Hardware Manual DI-8B43 DC LVDT Input Modules Each 8B43 module isolates, filters, and amplifies a voltage input signal and provides an analog voltage output. The 8B43 can interface to transducers that will operate on a 10V excitation voltage and up to 20mA of excitation cur- rent.

  • Page 45: Di-8B45 Frequency Input Modules

    DI–4718B Series Hardware Manual DI-8B45 Frequency Input Modules Each DI-8B45 module isolates and conditions a frequency input signal and provides an analog voltage output. The frequency input signal can be either a TTL level or zero crossing with as little as ±100mV amplitude. Input cir- cuitry for each signal type has built-in hysteresis to prevent spurious noise from corrupting the module output.

  • Page 46: Di-8B47 Linearized Thermocouple Input Modules

    DI–4718B Series Hardware Manual DI-8B47 Linearized Thermocouple Input Modules Each DI-8B47 module isolates, filters, amplifies, and linearizes a single channel of temperature input from a thermo- couple and provides an analog voltage output. Linearization is accomplished using a four breakpoint piece wise linear approximation. The DI-8B47 can interface to industry standard thermocouple type J, K, and T and has an output signal of 0V to +5V.

  • Page 47: Di-8B50/51 Analog Voltage Input Modules, 20Khz Bandwidth

    DI–4718B Series Hardware Manual DI-8B50/51 Analog Voltage Input Modules, 20kHz Bandwidth Each DI-8B50 and DI-8B51 module isolates, filters, and amplifies a voltage input signal and provides an analog volt- age output. Signal filtering is accomplished with a multiple pole filter optimized for time and frequency response which provides 70dB of normal-mode-rejection at 60Hz.

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