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Data Translation DT9847 Series User Manual

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UM-24847-L
DT9847 Series
User's Manual

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Summary of Contents for Data Translation DT9847 Series

  • Page 1 Title Page UM-24847-L DT9847 Series User’s Manual...
  • Page 2 Copyright Page Trademark and Copyright Information Measurement Computing Corporation, InstaCal, Universal Library, and the Measurement Computing logo are either trademarks or registered trademarks of Measurement Computing Corporation. Refer to the Copyrights & Trademarks section on mccdaq.com/legal for more information about Measurement Computing trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies.
  • Page 3 Changes or modifications to this equipment not expressly approved by Data Translation could void your authority to operate the equipment under Part 15 of the FCC Rules.

  • Page 5: Table Of Contents

    Configuring the DT9847 Series Device Driver ........
  • Page 6 Triggering Acquisition on Multiple Modules ........78 Synchronizing Acquisition on Multiple DT9847 Series Modules ..... 79...
  • Page 7 Contents Chapter 6: Supported Device Driver Capabilities......85 Data Flow and Operation Options..........87 Buffering .
  • Page 8 Contents Appendix B: Connector Pin Assignments and LED Status Indicators ..127 Digital I/O and External Trigger Connector ........128 External USB Connector .

  • Page 9: About This Manual

    About this Manual The first part of this manual describes how to install and set up your DT9847 Series module and device driver, and verify that your module is working properly. The second part of this manual describes the features of the DT9847 Series modules, the capabilities of the DT9847 Series Device Driver, and how to program the DT9847 module using the DT-Open Layers for .NET Class Library...

  • Page 10: Conventions Used In This Manual

    Appendix “Register-Level Programming,” describes how to write to the registers of the DT9847 Series modules to change the default settings that are defined in the Open Layers Control Panel programmatically. • An index completes this manual. Conventions Used in this Manual The following conventions are used in this manual: •...

  • Page 11: Where To Get Help

    About this Manual Where To Get Help Should you run into problems installing or using a DT9847 Series module, the Technical Support Department is available to provide technical assistance. Refer to Chapter 7 for more information. If you are outside the United States or Canada, call your local distributor, whose...
  • Page 12 About this Manual...

  • Page 13: Chapter 1: Overview

    Overview Hardware Features............Supported Software .

  • Page 14: Hardware Features

    Chapter 1 Hardware Features DT9847 Series modules are high-accuracy, dynamic signal acquisition modules for the USB (Ver. 2.0 or Ver. 1.1) bus. These modules are ideal for acoustic measurements due to their AC coupling and frequency characteristics. Figure 1 shows the DT9847-3-1 module.

  • Page 15: Key Features Of The Dt9847-1-1

    • Internal clock source (shared between the analog input and analog output subsystems) • Four digital input lines and 4 digital output lines • Sync Bus (RJ45) connector for synchronizing acquisition on up to four DT9847 Series modules...

  • Page 16: Key Features Of The Dt9847-2-2

    • Internal clock source (shared between the analog input and analog output subsystems) • Sync Bus (RJ45) connector for synchronizing acquisition on up to four DT9847 Series modules • Requires use of an external +5 VDC to +24 VDC power supply...

  • Page 17: Key Features Of The Dt9847-3-1

    • Internal clock source (shared between the analog input and analog output subsystems) • Sync Bus (RJ45) connector for synchronizing acquisition on up to four DT9847 Series modules • Requires use of an external +5 VDC to +24 VDC power supply...

  • Page 18: Supported Software

    The DT Omni installer includes the following software for use with the DT9847 Series modules: • DT9847 Series Device Driver – The DT9847 Series Device Driver allows you to use a DT9847 Series module with any of the supported software packages or utilities.
  • Page 19 Overview • QuickDAQ FFT Analysis Option – When enabled with a purchased license key, the QuickDAQ FFT Analysis option includes all the features of the QuickDAQ Base version plus basic FFT analysis features, including the following:  The ability to switch between the Data Logger time-based interface and the FFT Analyzer block/average-based interface.
  • Page 20 • DT-Open Layers for .NET Class Library – Use this class library if you want to use Visual C# or Visual Basic for .NET to develop your own application software for a DT9847 Series module using Visual Studio 2003-2012; the class library complies with the DT-Open Layers standard.

  • Page 21: Supported Accessories

    Overview Supported Accessories The following optional accessories are available for the DT9847 Series: • STP15 screw terminal panel – A screw terminal panel that accepts digital input signals and an external trigger input signal and provides connections for digital output signals.
  • Page 22 • EP386 panel – The EP388 panel, shown in Figure 3, contains four RJ45 connectors that are wired in parallel, making it useful when attaching up to four DT9847 Series modules together using the Sync Bus connector. Refer to page 79 for more information on using this panel.

  • Page 23: Getting Started Procedure

    Overview Getting Started Procedure The flow diagram shown in Figure 5 illustrates the steps needed to get started using a DT9847 Series module. This diagram is repeated in each Getting Started chapter; the shaded area in the diagram shows you where you are in the getting started procedure. Set Up and Install the Module (see Chapter 2...
  • Page 24 Chapter 1...

  • Page 25: Getting Started Procedure

    Part 1: Getting Started...

  • Page 27: Chapter 2: Setting Up And Installing The Module

    Computer..........Configuring the DT9847 Series Device Driver...
  • Page 28 Chapter 2 Set Up and Install the Module (this chapter) Wire Signals (see Chapter 3 starting on page Verify the Operation of the Module (see Chapter 4 starting on page...

  • Page 29: Unpacking

    To power the module, you must use a 5 V to 24 V external power supply (not included). If an item is missing or damaged, contact Data Translation. If you are in the United States, call the Customer Service Department at (508) 956-5100. An application engineer will guide you through the appropriate steps for replacing missing or damaged items.

  • Page 30: System Requirements

    Chapter 2 System Requirements For reliable operation, ensure that your computer meets the following system requirements: • Processor: Pentium 4/M or equivalent • RAM: 1 GB • Screen Resolution: 1024 x 768 pixels • Operating System: Windows 10, Windows 8, Windows 7, Windows Vista (32- and 64-bit) •...

  • Page 31: Applying Power To The Module

    The DT9847-1-1 module runs on USB power and does not use an external power supply. The DT9847-2-2 and DT9847-3-1 modules require an external power supply and are shipped with an EP394 +5V power supply and cable. Note: If you are using the OEM version of a DT9847 Series module, refer to Appendix C starting on page 133 for information on powering the module.

  • Page 32: Attaching Modules To The Computer

    Your application may take a few seconds to recognize a module once it is plugged back in. The DT9847 Series modules use less than 500 mA; therefore, they do not require an external power supply. You must install the device driver for your module before connecting the module(s) to the host computer.
  • Page 33 The Windows Security dialog box appears. c. Click Install this driver software anyway. Note: Windows 7, Windows 8, and Windows 10 find the device automatically. 3. Repeat these steps to attach another DT9847 Series module to the host computer, if desired.

  • Page 34: Connecting To An Expansion Hub

    Connecting to an Expansion Hub Expansion hubs are powered by their own external power supply. The practical number of DT9847 Series modules that you can connect to a single USB port depends on the throughput you want to achieve. To connect multiple DT9847 Series modules to an expansion hub, do the following: 1.
  • Page 35 Setting Up and Installing the Module DT9847-2-2 or DT9847-3-1 DT9847-2-2 or DT9847-3-1 Module USB Cables Module Power Supply for Module Host Computer USB Cable USB Cable Power Supply Expansion Hubs for Hub Power Supply for Hub DT9847-2-2 or DT9847-3-1 DT9847-2-2 or Module DT9847-3-1 Module...

  • Page 36: Configuring The Dt9847 Series Device Driver

    Windows (64-bit) C:\Windows\SysWOW64\Dtolcpl.cpl To configure the device driver for a DT9847 Series module, do the following: 1. If you have not already done so, power up the host computer and all peripherals. 2. From the Windows Start menu, select Settings|Control Panel.

  • Page 37: Chapter 3: Wiring Signals

    Wiring Signals Preparing to Wire Signals ............Connecting Analog Input Signals .
  • Page 38 Chapter 3 Set Up and Install the Module (see Chapter 2 starting on page Wire Signals (this chapter) Verify the Operation of the Module (see Chapter 4 starting on page...

  • Page 39: Preparing To Wire Signals

    • Connect all unused analog input channels to analog ground. Warm-Up Time The DT9847 Series is ideal for acoustic measurements due to its AC coupling and frequency characteristics. It is not designed for DC stability; therefore, ensure that you allow the module to warm up for 15 minutes before use.

  • Page 40: Connecting Analog Input Signals

    (or IEPE sensors) to the BNC connectors on the module. Internally, these signals are connected in single-ended mode. The DT9847 Series modules support an input signal range of ±10 V (using a gain of 1) or ±1 V (using a gain of 10).

  • Page 41: Connecting An Analog Output Signal

    Wiring Signals Connecting an Analog Output Signal The DT9847-1-1 and DT9847-3-1 modules provide one analog output channel. The DT9847-2-2 modules provides two analog input channels. The output channels have an output range of ±3 V. Figure 12 shows how to connect an analog output signal to the DT9847-1-1 or DT9847-3-1 module.
  • Page 42 Chapter 3 DT9847-2-2 Module Analog Out 0 Load Analog Out 1 Note that the connectors automatically connect the Analog Ground signal appropriately. Figure 13: Connecting Analog Output Signals to the DT9847-2-2 Module...

  • Page 43: Connecting Digital I/O Signals

    Digital I/O and External Trigger Connector Figure 15: Connecting the STP15 to the DT9847 Series Module The STP15 contains one 15-pin connector and two screw terminal blocks (TB1 and TB2). The 15-pin connector provides access to the signals from the Digital I/O and External Trigger connector on the DT9847 module.
  • Page 44 DGND/ OUT0 TRIGGER *These signal are not used on the DT9847 Series modules. Figure 16: Layout of the STP15 Screw Terminal Panel IN refers to digital input signals, OUT refers to digital output signals, DGND refers to digital ground signals, and TRIGGER refers to the external trigger signal. STROBE and +5 V are not used on the DT9847 Series modules.
  • Page 45 Wiring Signals Figure 18 shows how to connect a digital output (line 0, in this case) to terminal block TB2 of the STP15 screw terminal panel. 1 Out = LED On STP15, TB2 OUT0 From  Digital Out 0  DT9847 DGND Digital Ground...
  • Page 46 Chapter 3...

  • Page 47: Chapter 4: Verifying The Operation Of A Module

    Verifying the Operation of a Module Select the Device ............. . Acquire Data from an Analog Output Channel .
  • Page 48 QuickDAQ allows you to acquire and analyze data from all Data Translation USB and Ethernet devices, except the DT9841 Series, DT9817, DT9835, and DT9853/54. This chapter describes how to verify the operation of a DT9847 Series module using the QuickDAQ base version.

  • Page 49: Select The Device

    USB devices in the drop-down list. If you want to refresh this list to determine if other devices are available, click Refresh. 4. Select the module name for the DT9847 Series module that you want to use from the list of Available Devices, and click Add.
  • Page 50 Note: Only one device can be the clock and trigger master. If you are using a single device, the application automatically configures the device as the master. DT9847 Series modules support that capability of synchronizing up to four devices. If you are using more than one of these devices, ensure that you connect the devices together using network cables and the Sync Bus (RJ45) connector on each device.
  • Page 51 Verifying the Operation of a Module...

  • Page 52: Acquire Data From An Analog Output Channel

    Chapter 4 Acquire Data from an Analog Output Channel The following steps describe how to use the QuickDAQ application to monitor the output of the analog output signal using an analog input channel. In this example, a 3 V sine wave is output on analog output channel 0 of a DT9847-1-1 module. The analog output channel is connected to analog input channel 0 on the DT9847-1-1 module.

  • Page 53: Configure The Analog Input Channel

    Verifying the Operation of a Module 2. Select the Enable checkbox to enable the analog output channel on the module. 3. For the Waveform type, select Fixed. 4. For Peak Voltage, enter 3 to output a ±3 V signal. 5. For Offset, enter 0. 6.
  • Page 54 Chapter 4 7. Under the Current Source column, select whether to enable or disable use of the 4 mA current source on the data acquisition device. Since this example is monitoring a voltage input, the Current Source checkbox is not checked (disabled) for the analog input channel.

  • Page 55: Configure The Recording Settings

    Verifying the Operation of a Module Configure the Recording Settings For this example, configure the recording settings as follows: 1. Click the Recording tab of the Acquisition Config window. 2. For Filename generation, use the default Filename option. 3. For Filename, use the default name for the data file. 4.

  • Page 56: Configure The Acquisition Settings

    Chapter 4 Configure the Acquisition Settings For this example, configure the acquisition settings as follows: 1. Click the Acquisition tab of the Acquisition Config window. 2. For the Per Channel Sampling Frequency text box, enter 2000. The application snaps the value to closest sampling frequency. The sampling rate, sample interval, and number of scans are displayed.

  • Page 57: Start The Operation

    Verifying the Operation of a Module Start the Operation Once you have configured the channels and the application parameters, click the Record toolbar button ( ) or press the F5 key to start the operation. Results similar to the following are displayed in the Channel Plot window, showing the output of analog output channel 0 as measured by analog input channel 0.
  • Page 58 Chapter 4...
  • Page 59 Part 2: Using Your Module...

  • Page 61: Chapter 5: Principles Of Operation

    ........Synchronizing Acquisition on Multiple DT9847 Series Modules...
  • Page 62 Chapter 5 Figure 19 shows a block diagram of the DT9847-1-1 module. +18 Volts 4 mA 24-Bit A/D PLL USB 2.0 Programmable USB 2.0 x1 / 10 High Speed Clock Ain 0 AC - DC Interface Coupling D/A PLL Programmable Clock Control Logic RJ45...
  • Page 63 Principles of Operation Figure 21 shows a block diagram of the DT9847-3-1 module. +18 Volts 4 mA 24-Bit A/D PLL USB 2.0 Programmable USB 2.0 x1 / 10 High Speed Clock Ain 0 AC - DC Interface Coupling +18 Volts D/A PLL Programmable 4 mA...

  • Page 64: Analog Input Features

    Input Ranges and Gains The DT9847 Series modules provide an input range of ±10 V and software-selectable gains of 1 and 10. This provides effective input ranges of ±10 V (when the gain is 1) and ±1 V (when the...

  • Page 65: Iepe Functions

    Input Clock Source The DT9847 Series modules support a 48 MHz internal clock source, which is derived from the 24 MHz USB crystal oscillator. The same internal 48 MHz clock signal is used for the both the analog input and analog output subsystems.

  • Page 66: Configuration Delay

    Configuration Delay Due to the design of the A/D converter on the DT9847 Series, you may notice a delay after you configure the sampling frequency on the module (when the Config command is called).

  • Page 67: Single-Values Operations

    Single-values operations stop automatically when finished; you cannot stop a single-values operation. Continuous Scan Mode Continuous scan mode takes full advantage of the capabilities of the DT9847 Series modules. You can specify a channel list, clock source, start trigger, reference trigger, post-trigger scan count, and buffer using software.
  • Page 68 Pre-trigger data acquired 3 Post-trigger samples acquired Start Trigger occurs Reference Trigger occurs Figure 22: Continuous Scan Mode on the DT9847 Series Modules Using a Start and Reference Trigger Note: The USB LED, shown in Figure 34 on page 132, blinks amber while the module is acquiring data.

  • Page 69: Input Triggers

    A trigger is an event that occurs based on a specified set of conditions. On the DT9847 Series modules, you can specify a start trigger source and a reference trigger source. Pre-trigger data acquisition starts when the start trigger event occurs. When the reference trigger event occurs, pre-trigger data acquisition stops and post-trigger acquisition starts.

  • Page 70: Reference Trigger Sources

    DT9837 Series or DT9838 modules) are connected together using the Sync Bus (RJ45) connector, you can set the reference trigger of a slave DT9847 Series module to Sync Bus if you want to receive a Sync Bus trigger from one of the other modules to stop pre-trigger acquisition and start post-trigger acquisition.

  • Page 71: Data Format And Transfer

    Data is written to multiple allocated input buffers continuously; when no more empty buffers are available, the operation stops. The data is gap-free. Note: DT9847 Series modules have an 8 kSample input FIFO that is used to store the acquired data before it is sent to the host.

  • Page 72: Analog Output Features

    The analog output channel powers up to a value of 0 V ±10 mV. Output Ranges and Gains The DT9847 Series modules can output bipolar analog output signals in the range of ±3 V or ±10 V. The output range is software programmable. The gain is 1.

  • Page 73: Output Conversion Modes

    Due to the group delay of the Delta-Sigma D/A converter, the DT9847 Series modules require 36 clock pulses once the analog output sample clock is started before the first D/A conversion is completed.

  • Page 74: Continuous Analog Output Operations

    • Specify a software trigger source, described in the next section The DT9847 Series hardware supports the ability to mute the output voltage to 0 V. Muting the output does not stop the analog output operation; instead, the analog output voltage is reduced to 0 V over 1020 samples.

  • Page 75: Output Trigger

    The DT9847 Series hardware supports the ability to mute the output voltage to 0 V. Muting the output does not stop the analog output operation; instead, the analog output voltage is reduced to 0 V over 1020 samples.

  • Page 76: Data Format And Transfer

    79 for more information. • Sync Bus trigger – When multiple DT9847 Series modules (or multiple DT9847 Series and DT9837 Series or DT9838 modules) are connected together using the Sync Bus (RJ45) connector, you can use the Sync Bus trigger as the start trigger of the slave module by setting the synchronization mode of module to Slave.

  • Page 77: Digital I/O Features

    • Operation modes, described below Digital I/O Lines The DT9847 Series modules support one digital input port, consisting of 4 digital input lines (lines 0 to 3) and one digital output port, consisting of 4 digital output lines (lines 0 to 3). The resolution is fixed at 4 bits;...

  • Page 78: Triggering Acquisition On Multiple Modules

    Sync Bus (RJ45) connector, described on page The internal clock on the DT9847 Series modules when the synchronization mode is none (see page 79), is derived from the USB clock and provides the timing for both the analog input and analog output subsystems on the module.

  • Page 79: Synchronizing Acquisition On Multiple Dt9847 Series Modules

    Synchronizing Acquisition on Multiple DT9847 Series Modules DT9847 Series modules provide a Sync Bus (RJ45) connector that you can use to connect and synchronize multiple DT9847 Series modules. Note: Note that you can also connect DT9837A, DT9837B, DT9837C, and/or DT9838 modules to a DT9847 Series module in this configuration.
  • Page 80 4 inches away from the RJ45 distribution panel. Figure 25: Synchronizing Four DT9847 Series Modules Using the EP386 RJ45 Distribution Panel (Shown Using an External Trigger) When synchronizing multiple modules, start the slave modules before starting the master module.

  • Page 81: Triggering Dt9847 And Dt9837 Series Modules Using The Sync Bus

    Sync Bus connectors. Triggering DT9847 and DT9837 Series Modules Using the Sync Bus If you are connecting the DT9847 Series module to a DT9837 Series module using the Sync Bus connector, be aware of triggering limitations.
  • Page 82 Figure 26: Synchronizing a Master DT9847 Series Module and a Slave DT9837 Series Module Using the Sync Bus Connector In this case, the start trigger on the master DT9847 Series module can be a software trigger, external digital trigger, or threshold trigger. The reference trigger on the master DT9847 Series module can be an external digital trigger or threshold trigger.
  • Page 83 The reference trigger on the master DT9837 Series module can be the threshold trigger. The start trigger on the slave DT9847 Series module is ignored, since the Sync Bus is used as the start trigger. The reference trigger on the slave DT9847 Series module can be an external...
  • Page 84 Chapter 5...

  • Page 85: Chapter 6: Supported Device Driver Capabilities

    Supported Device Driver Capabilities Data Flow and Operation Options..........Buffering .

  • Page 86: Options

    The tables in this chapter summarize the features available for use with the DT-Open Layers for .NET Class Library and the DT9847 Series modules. The DT-Open Layers for .NET Class Library provides properties that return support information for specified subsystem capabilities.

  • Page 87: Data Flow And Operation Options

    Muting and Unmuting the Output Voltage SupportsMute Auto-Calibrate Support SupportsAutoCalibrate a. The DT9847 Series modules support continuous analog output operations in addition to waveform mode. b. The DT9847 Series modules support the ability to start continuous A/D and continuous D/A operations simultaneously.

  • Page 88: Buffering

    Chapter 6 Buffering Table 4: Buffering Options DT9847 Series Modules DOUT TACH QUAD Buffer Support SupportsBuffering Single Buffer Wrap Mode Support SupportsWrapSingle Inprocess Buffer Flush Support SupportsInProcessFlush Triggered Scan Mode Table 5: Triggered Scan Mode Options DT9847 Series Modules DOUT...

  • Page 89: Channels

    Supported Device Driver Capabilities Channels Table 7: Channel Options DT9847 Series Modules DOUT TACH QUAD Number of Channels NumberOfChannels 1, 2, or 3 1 or 2 SE Support SupportsSingleEnded SE Channels MaxSingleEndedChannels 1, 2, or 3 1 or 2 DI Support...

  • Page 90: Ranges

    Chapter 6 Ranges Table 9: Range Options DT9847 Series Modules DOUT TACH QUAD Number of Voltage Ranges NumberOfRanges Available Ranges SupportedVoltageRanges ±10 V ±3 V or ±10 V a. By applying a gain of 1, the effective input range is ±10 V. By applying a gain of 10, the effective input range is ±1 V.

  • Page 91: Thermocouple, Rtd, And Thermistor Support

    Supported Device Driver Capabilities Thermocouple, RTD, and Thermistor Support Table 12: Thermocouple, RTD, and Thermistor Support Options DT9847 Series DOUT TACH QUAD Thermocouple Support SupportsThermocouple RTD Support SupportsRTD Thermistor Support SupportsThermistor Voltage Converted to Temperature SupportsTemperatureDataInStream Supported Thermocouple Types ThermocoupleType...

  • Page 92: Iepe Support

    Chapter 6 IEPE Support Table 13: IEPE Support Options DT9847 Series DOUT TACH QUAD IEPE Support SupportsIEPE Software Programmable AC Coupling SupportsACCoupling Software Programmable DC Coupling SupportsDCCoupling Software Programmable External Excitation Current Source SupportsExternalExcitationCurrentSrc Software Programmable Internal Excitation Current Source...

  • Page 93: Start Triggers

    0, 1, 2 (DT9847-3-1) a. If you choose a threshold trigger for the start trigger on the DT9847 Series module, you can program the threshold level as a value between ±10 V for a gain of 1 or ±1 V for a gain of 10, and any of the supported analog input...

  • Page 94: Reference Triggers

    SupportsPostTriggerScanCount a. If you choose a threshold trigger for the reference trigger on the DT9847 Series module, you can program the threshold level as a value between ±10 V for a gain of 1 or ±1 V for a gain of 10, and any of the supported analog input channels can be used as the threshold channel.

  • Page 95: Clocks

    Supported Device Driver Capabilities Clocks Table 17: Clock Options DT9847 Series DOUT TACH QUAD Internal Clock Support SupportsInternalClock External Clock Support SupportsExternalClock Simultaneous Input/Output on a Single Clock Signal SupportsSimultaneousClocking Base Clock Frequency BaseClockFrequency 13.824 MHz 27.648 MHz Maximum Clock Divider...

  • Page 96: Counter/Timers

    Chapter 6 Counter/Timers Table 18: Counter/Timer Options DT9847 Series DOUT TACH QUAD Cascading Support SupportsCascading Event Count Mode Support SupportsCount Generate Rate Mode Support SupportsRateGenerate One-Shot Mode Support SupportsOneShot Repetitive One-Shot Mode Support SupportsOneShotRepeat Up/Down Counting Mode Support SupportsUpDown Edge-to-Edge Measurement Mode Support...

  • Page 97: Tachometers

    Supported Device Driver Capabilities Tachometers Table 19: Tachometer Options DT9847 Series DOUT TACH QUAD Tachometer Falling Edges SupportsFallingEdge Tachometer Rising Edges SupportsRisingEdge Tachometer Stale Data Flag SupportsStaleDataFlag...
  • Page 98 Chapter 6...

  • Page 99: Chapter 7: Troubleshooting

    Troubleshooting General Checklist ............Technical Support.

  • Page 100: General Checklist

    Chapter 7 General Checklist Should you experience problems using a DT9847 Series module, do the following: 1. Read all the documentation provided for your product, including any "Read this First" information. 2. Check the DT Omni software for any README files and ensure that you have used the latest installation and configuration information available.
  • Page 101 Chapter The module is out of calibration. DT9847 Series modules are calibrated at the factory. If you want to readjust the calibration of the analog input or analog output circuitry, refer Chapter USB 2.0 is not...

  • Page 102: Technical Support

    Chapter 7 Technical Support If you have difficulty using a DT9847 Series module, Data Translation’s Technical Support Department is available to provide technical assistance. To request technical support, go to our web site at http://www.mccdaq.com and click on the Support link.

  • Page 103: If Your Module Needs Factory Service

    Troubleshooting If Your Module Needs Factory Service Most hardware models can be functionally tested, evaluated for repairs (if needed), and calibrated to factory specifications. An RMA# must be obtained from Applications Engineering in advance of sending any product back to Measurement Computing (Data Translation is a Measurement Computing company).
  • Page 104 Chapter 7...

  • Page 105: Chapter 8: Calibration

    Calibration Using the Calibration Utility ..........Calibrating the Analog Input Subsystem .
  • Page 106 Chapter 8 DT9847 Series modules are calibrated at the factory and should not require calibration for initial use. We recommend that you check and, if necessary, readjust the calibration of the analog input and analog output circuitry every six months using the DT9847 Series Calibration Utility.

  • Page 107: Using The Calibration Utility

    3. Select the module to calibrate, and then click OK. Note: When you first run the DT9847 Series Calibration Utility, you may notice a delay before you can start using the utility. This is the configuration delay that is related to the...

  • Page 108: Calibrating The Analog Input Subsystem

    To calibrate the analog input circuitry, you need to connect an external +9.3750 V precision voltage source to the DT9847 Series module. Connect the precision voltage source to the first channel you want to calibrate; for example, Analog In 0 (AD Ch0).

  • Page 109: Using The Manual Calibration Procedure

    Calibration Note: At any time, you can click Restore Factory Settings to reset the A/D calibration values to their original factory settings. This process will undo any auto or manual calibration settings. Using the Manual Calibration Procedure If you want to manually calibrate the analog input circuitry instead of auto-calibrating it, do the following for each channel: 1.

  • Page 110: Calibrating The Analog Output Subsystem

    Calibrating the Analog Output Subsystem To calibrate the analog output circuitry, you need to connect an external precision voltmeter to the analog output channels of the DT9847 Series module. Do the following to calibrate the analog output circuitry: 1. Select the D/A Calibration tab of the calibration utility.

  • Page 111: Appendix A: Specifications

    Specifications Analog Input Specifications ........... Analog Output Specifications.

  • Page 112: Analog Input Specifications

    Appendix A Analog Input Specifications Table 21 lists the specifications for the analog input subsystem on the DT9847 Series modules. Unless otherwise noted, specifications are typical at 25  Table 21: Analog Input Subsystem Specifications Feature DT9847 Specifications Number of analog input channels...
  • Page 113 Specifications Table 21: Analog Input Subsystem Specifications (cont.) Feature DT9847 Specifications DC Accuracy Offset error 1.5 mV   Offset error temperature coefficient V/C x Gain) + 400 Gain error Gain of 1: ±0.02% Gain of 10: ±0.5% Gain error temperature coefficient 150 ppm//C Dynamic Performance Gain of 1...
  • Page 114 Appendix A e. Effective Number of Bits (ENOB) is calculated from the SINAD value with adjustment for level below full-scale of the input signal.   SINAD 1.76 – IBFS ENOB ---------------------------------------------------------- - 6.02 where, IBFS is a positive value in dB, representing the ratio of a full-scale signal to the input signal. f.
  • Page 115 DT9847 Series module as measured by QuickDAQ. In this example, a 1 dB input signal is connected to the DT9847 Series module and is sampled at 216 kHz using a gain of 1. The effective number of bits (ENOB) is 14.62.
  • Page 116 In this example, a 10 dB input signal is connected to the DT9847 Series and is sampled at 50 kHz. You can clearly see the harmonics pulled out of the noise; the noise floor is below 150 dB.

  • Page 117: Analog Output Specifications

    Specifications Analog Output Specifications Table 22 lists the specifications for the analog output subsystem on the DT9847 Series modules. Unless otherwise noted, specifications are typical at 25  Table 22: Analog Output Subsystem Specifications Feature DT9847 Series Specifications Number of analog output channels...

  • Page 118: Analog Output Specifications

    Appendix A Table 22: Analog Output Subsystem Specifications (cont.) Feature DT9847 Series Specifications Gain error temperature coefficient ±3 V range ±10 V range 30 ppm/C 55 ppm/C Power fault and reset Goes to 0 V ±0.5 mV if the USB cable is removed, external...

  • Page 119: Digital I/O Specifications

    Specifications Digital I/O Specifications Table 23 lists the specifications for the digital I/O subsystems on the DT9847 Series modules. Table 23: Digital I/O Specifications Feature Specifications Number of digital I/O lines 8 (4 in, 4 out) Number of ports 2 (4 bits each)

  • Page 120: Trigger Specifications

    Appendix A Trigger Specifications Table 24 lists the specifications for the trigger on the DT9847 Series modules. Table 24: Trigger Specifications Feature DT9847 Specifications Trigger sources Internal software trigger: Software-initiated External digital trigger: Software-selectable Analog threshold trigger: Software-selectable External digital trigger...

  • Page 121: Master Oscillator Specifications

    Specifications Master Oscillator Specifications Table 25 lists the specifications for the master oscillator on the DT9847 Series modules. Table 25: Master Oscillator Specifications Feature Specifications Frequency 48 MHz Accuracy at 25 C ±30 ppm Drift over temperature 0 to 70C (Total) ±50 ppm...

  • Page 122: Power, Physical, And Environmental Specifications

    Appendix A Power, Physical, and Environmental Specifications Table 26 lists the power, physical, and environmental specifications for the DT9847 Series modules. Table 26: Power, Physical, and Environmental Specifications DT9847 Series Feature Specifications Power DT9847-1-1 and DT9847-1-1-OEM: 5 V ±0.30 V@ 600 mA...

  • Page 123: Regulatory Specifications

    Specifications Regulatory Specifications The DT9847 Series is CE-compliant. Table 27 lists the regulatory specifications for the DT9847 Series modules. Table 27: Regulatory Specifications Feature DT9847 Series Specifications Emissions (EMI) FCC Part 15, Class A EN55011:2007 (Based on CISPR-11, 2003/A2, 2006)

  • Page 124: Connector Specifications

    Appendix A Connector Specifications Table 28 lists the connector specifications for the DT9847 Series modules. Table 28: Connector Specifications Feature Specifications Analog I/O BNC connectors TE Connectivity 5227161-9 External power supply Jack on the module: Switchcraft #L722RA Mating plug assembly, 0.08 inch: Switchcraft #S761K...

  • Page 125: External Power Supply Specifications

    Specifications External Power Supply Specifications Table 29 lists the specifications for the EP394 +5 V external power supply that is used with the DT9847 Series modules. Table 29: External Power Supply (EP394) Specifications Feature Specifications Type FRIWO medical power supply (GPP 10) Input voltage 100 to 240 V AC (±10%)
  • Page 126 Appendix A...

  • Page 127: Appendix B: Connector Pin Assignments And Led Status Indicators

    Connector Pin Assignments and LED Status Indicators Digital I/O and External Trigger Connector ........External USB Connector .

  • Page 128: Digital I/O And External Trigger Connector

    Digital I/O and External Trigger Connector Figure 30 shows the layout of the 15-pin Digital I/O and External Trigger connector on the DT9847 Series modules. Figure 30: Layout of the Digital I/O and External Trigger Connector Table 30 lists the pin assignments for the Digital I/O and External Trigger connector on the DT9847 Series modules.

  • Page 129: External Usb Connector

    Connector Pin Assignments and LED Status Indicators External USB Connector Figure 31 shows the layout of the external USB connector on the DT9847 Series modules. Figure 31: Layout of the USB Connector Table 31 lists the pin assignments for the USB connector on the DT9847 Series modules.

  • Page 130: External Power Connector

    Appendix B External Power Connector Figure 32 shows the layout of the external +5 V to +24 VDC power connector (barrel connector) on the DT9847-2-2 and DT9847-3-1 modules. Note: The DT9847-1-1 module operates on USB power; therefore, the external power connector is not provided on that module.

  • Page 131: Stp15 Screw Terminal Panel

    STROBE* DGND/ OUT0 TRIGGER *These signal are not used on the DT9847 Series modules. Figure 33: Layout of the STP15 Screw Terminal Panel Note: The dark filled circles in Figure 33 represent holes that you can use to mount the STP15 on a DIN rail.

  • Page 132: Led Status Indicators

    Appendix B LED Status Indicators The DT9847 Series has a two bi-color LEDs on the module, shown in Figure Trigger LED DT9847 Series Module USB LED Figure 34: LEDs on DT9847 Series Modules These LEDs are described in Table Table 33: LED Status Indicators on the DT9847 Series Modules...

  • Page 133: Appendix C: Powering Oem Modules

    Powering OEM Modules Powering the DT9847-1-1-OEM Module ........Powering the DT9847-2-2-OEM or DT9847-3-1-OEM Module .

  • Page 134: Powering The Dt9847-1-1-Oem Module

    Appendix C Powering the DT9847-1-1-OEM Module The DT9847-1-1-OEM module can be powered with USB power using the EP399 USB-Y cable, as shown in page By default, jumper W3, shown in Figure 35, is installed on the module when it is shipped from the factory to select USB power.
  • Page 135 Powering OEM Modules +5 V Groun Shield (Chassis Ground) On the DT9847-1-1-OEM, ensure that the maximum voltage of the external supply is +5 V ±0.30 V @ 600 mA. Higher voltages will destroy the module. Figure 37: Connecting an External Power Supply to Screw Terminal TB1 on the Module...

  • Page 136: Powering The Dt9847-2-2-Oem Or Dt9847-3-1-Oem Module

    Appendix C Powering the DT9847-2-2-OEM or DT9847-3-1-OEM Module The DT9847-2-2-OEM or DT9847-3-1-OEM module must be externally powered with a +5 V to 24 V @ 5 W power supply. You can connect an external power supply either to the barrel power connector on the module, as shown on page 31, or to the three-position screw terminal block (TB1) on the...

  • Page 137: Appendix D: Register-Level Programming

    Register-Level Programming Writing to the EEPROM Register..........

  • Page 138: Writing To The Eeprom Register

    Data Acq SDK function olDiagWriteReg to write to the EEPROM register of the module. On the DT9847 Series modules, the Open Layers Control Panel has controls for setting the following parameters, which are stored in 8 consecutive bytes of EEPROM: •...
  • Page 139 Register-Level Programming // For example, to read the current source power-up default for // channel 2,use the following code: ULONG Channel_2_Current_Source; OLSTATUS olStatus = olDiagReadReg(m_hDev, EEPROM_MEM_BASE + EEPROM_OFFSET_CURRENT_SOURCE_2, &Channel_2_Current_Source, 1); // For example, to set the coupling power-up default for channel 0 // to AC, use the following code: OLSTATUS olStatus = olDiagWriteReg(m_hDev, EEPROM_MEM_BASE + EEPROM_OFFSET_COUPLING_0, (ULONG) AC, 1);...
  • Page 140 Appendix D...

  • Page 141: Index

    Index Index digital inputs and outputs AC coupling accessories BNC DIN Rail Kit base clock frequency EP337 cable BaseClockFrequency EP386 panel binary data encoding STP15 screw terminal panel BNC DIN Rail Kit administrator privileges buffers aliasing inprocess flush analog input single wrap mode calibrating channels...
  • Page 142 C/T clock Device Selection window internal retrigger clock digital I/O lines operation modes single-value operations gain subsystem specifications actual available wiring analog output digital trigger number of DT9847 Series Calibration Utility programmable DT-Open Layers for .NET Class Library group delay...
  • Page 143 Index multiple modules, triggering muting the output voltage hardware features hot-swapping negative threshold trigger number of IEPE features gains IEPE support I/O channels inprocess buffers resolutions input scans per trigger channels single-ended channels configuration, single-ended voltage ranges ranges NumberOfChannels resolution NumberOfRanges input FIFO NumberOfResolutions...
  • Page 144 Index preparing to wire signals software trigger specifications analog input analog output Quick DataAcq application connector QuickDAQ digital I/O Advanced FFT Analysis option environmental Base version external power supply FFT Analysis option master oscillator physical power regulatory ranges triggers analog input start trigger analog output analog threshold trigger...
  • Page 145 Index Sync Bus trigger synchronization modes Visual Basic for .NET programs SynchronizationMode Visual C# programs system requirements voltage ranges number of TB1 screw terminal block technical support W2 jumper threshold trigger W3 jumper channel warm-up time negative wiring signals threshold trigger, positive analog inputs throughput analog output...
  • Page 146 Index...

This manual is also suitable for:

Dt9847-1-1Dt9847-3-1Dt9847-2-2

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