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Somat eDAQlite User Manual

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Summary of Contents for Somat eDAQlite

  • Page 1 User Manual Espanol Deutsch English lite Somat eDAQ with TCE Software...
  • Page 2 Somat eDAQ HBM: public I2773-4.4 en...

  • Page 3: Table Of Contents

    Overview lite Layers 1.1.1 eDAQ Equipment 1.2.1 Provided Equipment 1.2.2 Support Equipment Setting Up the System 1.3.1 Installing Somat Test Control Environment (TCE) lite System 1.3.2 Getting Familiar with the eDAQ lite 1.3.3 Setting Up the eDAQ Test Process lite...
  • Page 4 Somat eDAQ Data Storage 2.4.1 Data Formats 2.4.2 Data Storage Options lite /eDAQ Systems Networking eDAQ 2.5.1 Hardwired Network 2.5.2 Wireless Network Test Control Environment (TCE) TCE User Interface 3.1.1 Setup Windows 3.1.2 Pull Down Menus 3.1.3 Toolbar 3.1.4 Status Bar TCE Preferences 3.2.1 Communications...
  • Page 5 Somat eDAQ Calibrating Input Channels 4.2.1 Calibration Modes 4.2.2 Calibration Control 4.2.3 Calibration Specifications Running a Test 4.3.1 Initializing a Test 4.3.2 Prerun Options 4.3.3 Previewing a Test Run 4.3.4 Starting a Test Run 4.3.5 Using Interactive Triggers 4.3.6 Stopping a Test Run 4.3.7 Ending a Test...
  • Page 6 5.3.1 ELDIO Available Inputs and Outputs 5.3.2 ELDIO Configuration Options ELBRG (Bridge Layer) ELHLS (High Level Analog Layer) ELNTB (Non-Isolated Thermocouple Layer) EGPS-5HZ (Somat GPS Receiver) 5.7.1 Available Inputs 5.7.2 Configuration Options EGPS-200 (Precision GPS Module) 5.8.1 Available Inputs 5.8.2 Configuration Options Vehicle Bus Module 5.9.1 VBM Available Inputs...
  • Page 7 Somat eDAQ 5.11.1 Network Camera Available Inputs 5.11.2 Network Camera Configuration 5.11.3 Network Camera Troubleshooting Input Channels Common Input Channel Parameters 6.1.1 Desired Measurement 6.1.2 Output Sample Rate 6.1.3 Full-Scale Values 6.1.4 Output Data Type 6.1.5 Calibration Table 6.1.6 Prerun Rezero 6.1.7 Display Control...
  • Page 8 Somat eDAQ Simulation Input Channels 6.8.1 Simulation File 6.8.2 Simulation Function Generator 6.8.3 Simulation Message Computed Channels Common Computed Channel Parameters Arithmetic Computed Channels 7.2.1 Desk Calculator 7.2.2 Engineering Scaler 7.2.3 Integer Scaler 7.2.4 Integrator 7.2.5 Pulse Counter 7.2.6 Directional Velocity 7.2.7 State Mapper...
  • Page 9 Somat eDAQ 7.4.2 Time Base Shifter 7.4.3 Down Sampler 7.4.4 Up Sampler 7.4.5 Smoothing Filter 7.4.6 Digital Filter Tracking Computed Channels 7.5.1 Max Track 7.5.2 Min Track 7.5.3 Range Track 7.5.4 Anomaly Detect 7.5.5 Triggered Latch 7.5.6 Over Range Detector 7.5.7 Valid Data Gate...
  • Page 10 Somat eDAQ 8.4.5 Time at Level (Multidimensional) Digital Output lite Web Interface eDAQ Main Page System Tab 9.2.1 System Setup 9.2.2 System Status 9.2.3 System Maintenance Hardware Tab 9.3.1 Hardware Table 9.3.2 Manage Network Cameras 9.3.3 Select Storage Device...
  • Page 11 Somat eDAQ Data Types Cable Pinouts 12.1 ELCPU (Main Processor) 12.1.1 Communications Cable 12.1.2 Power Cable 12.2 ELCOM (Vehicle Communications Layer) 12.3 ELHLS (High Level Analog Layer) 12.4 ELBRG (Bridge Layer) 12.5 ELDIO (Digital I/O Layer) 12.6 Vehicle Bus Modules (VBM) 12.6.1 Transducer Cable for VPW Interface...
  • Page 12 Somat eDAQ 14.2 Analog Channel Synchronization 14.2.1 ELHLS and ELBRG Channel Synchronization 14.3 Digital Channel Synchronization 14.4 Resampled Channel Synchronization 14.4.1 Bus-Oriented Channel Synchronization 14.4.2 Thermocouple Channel Synchronization lite /eDAQ System Synchronization 14.5 Networked eDAQ 14.5.1 Hardwired Network Synchronization 14.5.2 Wireless Network Synchronization...

  • Page 13: Safety Information

    Somat eDAQ Safety Information Safety Rules The supply connection, as well as the signal and sense leads, must be installed in such a way that electromagnetic interference does not adversely affect device functionality. Automation equipment and devices must be covered over in such a way that adequate protection or locking against unintentional actuation is provided (such as access checks, password protection, etc.).
  • Page 14 Somat eDAQ • When cleaning, ensure that no liquid gets into the equipment or connections. Remaining dangers The scope of supply and performance of the data acquisition system covers only a small area of measurement technology. In addition, equipment planners, installers and...
  • Page 15 Conversions and modifications lite HBM’s express consent is required for modifications affecting the Somat eDAQ design and safety. HBM does not take responsibility for damage resulting from unauthorized modifications. In particular, any repair or soldering work on motherboards is prohibited. When exchanging complete assemblies, it is essential to use original HBM parts only.
  • Page 16 Somat eDAQ HBM: public I2773-4.4 en...

  • Page 17: Getting Started

    The eDAQ lite also comes with Somat Test Control Environment (TCE) software. NOTE If any items do not arrive as expected, contact your system supplier, nearest HBM sales representative or HBM immediately.

  • Page 18: Support Equipment

    An example of an adequate power supply is a charged nominal 12-volt vehicle battery system that reliably supplies around 13.5 volts. Additionally, an optional Somat AC Power Supply (1-E-AC-2 or 1-E-AC/18-2) is available. NOTE...

  • Page 19: Setting Up The System

    To continue using a common folder, uninstall the previous TCE version before starting the new installation. Change the installation program default folder name to the common folder name (previously, “C:\Program Files\Somat\Tce_eDAQ”) during the installation process. To keep TCE preference settings, be sure to save the “TceMS.ini” file before uninstalling the previous version of TCE.

  • Page 20: Setting Up The Edaq Lite

    Setting Up the eDAQ lite and establish communications with its support PC: To power the eDAQ 1. Connect the 26-pin D-Sub connector of a Somat Communications Cable to the Comm connector on the eDAQ lite . For Ethernet communication, connect the RJ-45 connector either directly to the PC or to an Ethernet hub, depending on the communications table.

  • Page 21: Test Process

    Use TCE or the web interface to upload the acquired test data. The web interface also offers simple data displays. For more advanced data display and analysis, use Somat InField™. For more information on InField, refer to the InField User’s Manual.
  • Page 22 Somat eDAQ HBM: public I2773-4.4 en...

  • Page 23: Using The Edaq Lite

    Somat eDAQ lite 2 Using the eDAQ lite including the The following chapter describes the setup and operation of the eDAQ lite communications, power LED status indicators, updating firmware, eDAQ lite networking. considerations, data storage and eDAQ eDAQ lite Base System 2.1.1...

  • Page 24: Edaq Lite Layers

    Powered down. 4 Hz 4 Hz System layers powered down. See “eDAQ Death Spiral” on page For more information on error and status flags, see “eDAQlite Flags” on page 184. lite Layers 2.1.2 eDAQ Adding a Layer CAUTION Read through this section in its entirety prior to performing any steps. If any portion of...
  • Page 25 Somat eDAQ Layer Addressing lite stack is configured at the factory with the layer address jumpers The eDAQ lite stack. properly set. Follow the guidelines below to reconfigure an eDAQ lite layers except the ELCPU, there is a set of three jumper locations On all eDAQ used to assign a physical layer address.
  • Page 26 Somat eDAQ Checking Current Layer Addresses lite log. Select Upload FCS Log from the FCS Diagnostics To check the current layer addresses, use TCE to upload the eDAQ sub-menu of the FCS Setup menu. Choose to view the file in Microsoft® Notepad and then scroll to the end of the log file where there is a list of the installed hardware and their jumper address.

  • Page 27: Updating Firmware

    TCE version numbers must be identical (e.g., 3.11). numbers of the eDAQ After running the installer on the support PC to copy the files to the Somat directory, lite firmware. Always update the ELCPU follow the steps below to upgrade the eDAQ firmware before updating any layer level firmware.

  • Page 28: Communications

    2. Open the eDAQ lite web interface, see column for the MPB. For more information on the eDAQ “eDAQlite Web Interface” on page 175. 3. Browse to the correct firmware file on the PC and click Update. Wait for the eDAQ lite to return to the ready state.

  • Page 29: Changing The Edaq Lite Ip Address And Host Name

    The support PC must be configured to allow continued eDAQ lite communications as noted in step 2 above. For more information on the eDAQ lite web interface, see “eDAQlite Web Interface” on page 175. I2773-4.4 en HBM: public...

  • Page 30: Power Considerations

    Somat eDAQ Using a Serial Connection To change the IP address and host name using a serial connection: lite and connect the serial communications cable to a PC 1. Power down the eDAQ COM port. 2. Open the HyperTerminal application in Windows® and follow the setup, entering a name for the connection and selecting the COM port.

  • Page 31: Input Power Voltage

    Somat eDAQ 2.3.1 Input Power Voltage Maximum Input Power Voltage The maximum input power voltage is 55 volts for the ELCPU-PLUS processor and 18 volts for the ELCPU processor. Exceeding the maximum input voltage for the eDAQ lite causes a programmed shutdown.

  • Page 32: Battery Power

    Somat eDAQ eDAQ Death Spiral If the eDAQ must toggle between the main power supply and its internal backup battery ten times over a period of five seconds or less, the eDAQ powers down the layers to prevent the internal backup battery from draining quickly. This situation...

  • Page 33: Power Save Mode

    Somat eDAQ If not using remote power, ensure that the red and black wires are either fully insulated from each other or solidly connected to each other to prevent accidentally turning the power off. If the wires are connected to each other and there is any chance of magnetic induction, do not coil the cable in a loop.

  • Page 34: Powering An Edaq Lite From A Vehicle

    This causes test runs to take about two seconds longer than usual to start. The delay allows the eDAQlite ICP excitation circuit time to internally stabilize before being applied to the transducer. Even with a two-second delay, some ICP accelerometer channel data may have small offsets, such as having data values of around 0.1 g or more over a long term test with the...
  • Page 35 Somat eDAQ 8GJKENG TGF /CKP 2QYGT $CVVGT[ 5#%'294 DNCEM 2QYGT DNCEM G&#3 4GOQVG 2QYGT TGF 8GJKENG HKTGYCNN Figure 2-2: Vehicle battery connection for non-switching battery to ground. An alternate method, shown below, uses a vehicle electrical system or harness which may be a switching supply such as an ignition or a relay-type device.
  • Page 36 Somat eDAQ Negative Battery Terminal Switching For a system with a switched power system that removes the negative battery terminal from the equipment chassis ground, carefully follow the illustrated recommendation. CAUTION Failure to follow these suggestions may result in blown fuses and/or permanent lite .

  • Page 37: Data Storage

    Somat eDAQ 8GJKENG TGF /CKP 2QYGT $CVVGT[ 5#%'294 5#%'2 DNCEM 2QYGT DNCEM DNCEM G&#3 4GOQVG 2QYGT QYGT TGF 8GJKENG HKTGYCNN 8GJKENG HKTGYCNN Figure 2-5: Improper vehicle battery connection for switching battery to ground. Data Storage 2.4.1 Data Formats lite offers two formats for storing recorded data: SIE and SIF. Select which The eDAQ data format to use in the TCE network setup window.

  • Page 38: Data Storage Options

    Somat eDAQ lite files option in the web interface to navigate to the files, use the explore eDAQ hd/eDAQ directory. This is not recommended except under the advise of HBM support. 2.4.2 Data Storage Options The ELCPU contains several options for data storage including the RAM disk, an internal CompactFlash card and DRAM memory.

  • Page 39: Networking Edaq Lite /Edaq Systems

    The master eDAQ lite /eDAQ supplies the clock and distributes it to each slave through the Somat SAC-ESYNC Networking Sync Cables (1-SAC-ESYNC-2). For the each of the end units, connect one side of this tee to a Somat SAC-ESYNCTERM Networking Termination Connector (1-SAC-ESYNCTERM-2).

  • Page 40: Wireless Network

    Somat eDAQ  G&#3 G&#3 G&#3P %QOO %QOO %QOO 5#%'5;0% 5#%'5;0% 6'4/ 6'4/ 5#%'5;0%#&#26 5#%'5;0%#&#26 'VJGTPGV JWD Figure 2-6: Cable connections for networking multiple eDAQs. 2.5.2 Wireless Network lite to With a GPS module in an ELDIO layer, it is possible to configure the eDAQ generate the MSR clock synchronized with the GPS timing signal.

  • Page 41: Test Control Environment (Tce)

    Somat eDAQ 3 Test Control Environment (TCE) lite , is The Somat Test Control Environment (TCE) software, provided with the eDAQ lite and the support PC. Use TCE to: an interface between the eDAQ • Create test setup files that define transducer channels, computed channels and DataModes™...
  • Page 42 Hardware” on page 60. For more information on the configuration options for specific hardware, see “eDAQlite Hardware” on page Transducer Channel Setup Use the transducer channel window to define and modify the transducer configuration required for the test. This includes defining transducer identification information, user-programmable settings and calibration methods and parameters.
  • Page 43 Somat eDAQ Option Description Add a new transducer definition to the setup. TCE adds the new transducer above the selected entry. Delete the selected transducer channels. Edit Modify the selected transducer channel definitions. Edit a single transducer definition or a group of transducers of the same channel type.

  • Page 44: Pull Down Menus

    Somat eDAQ Option Description Add a new computed channel definition to the setup. TCE adds the new computed channel above the selected entry. Delete the selected computed channels. Edit Modify the selected computed channel definition. Copy Copy the selected computed channel definition into a new computed channel.
  • Page 45 Somat eDAQ Menu Menu Option Description Section File New Setup [CTRL+N] Create a new setup file. Open Setup [CTRL+O] Open an existing setup file. 4.1.4 Save Setup [CTRL+S] Save the currently open setup file. Save Setup As Save the current setup file with a new name and/or location.
  • Page 46 Somat eDAQ Menu Menu Option Description Section Test Control Control Panel [CTRL+0] Open the TCE control panel. lite . Get Test Status [CTRL+1] Check the current test status of the eDAQ Initialize Test [CTRL+2] Initialize the eDAQ lite in preparation for the test run.
  • Page 47 Somat eDAQ Menu Menu Option Description Section FCS Setup Set Master Sample Rate Specify the master sample rate (MSR) as either 100000 Hz, the lite , or 98304 Hz, provided to support standard MSR for the eDAQ power of two sample rates. Data sample and data storage rates must be integer divisors of the MSR.

  • Page 48: Toolbar

    Somat eDAQ Menu Menu Option Description Section View Toolbar Show/hide the TCE toolbar. 3.1.3 Status Bar Show/hide the TCE status bar. 3.1.4 Test ID/Network Setup Show/hide the test ID/network setup window. 3.1.1 Hardware Setup Show/hide the hardware setup window.

  • Page 49: Status Bar

    Somat eDAQ Button Command Button Command Open computed channel setup Upload test data. [CTRL+7] window. [F4] Open DataMode setup window. End test. [CTRL+E] [F3] Open control panel. [CTRL+0] Get eDAQ lite log. [CTRL+L] Get test status. [CTRL+1] Call Infield/EASE/DataXplorer.

  • Page 50: Communications

    Somat eDAQ 3.2.1 Communications Connect Timeout Period Specify the desired timeout period in seconds for initiating communications with the eDAQ lite . The default value of five seconds should work well for dedicated ethernet communications with an eDAQ lite that is not on a network hub. Longer timeouts may...
  • Page 51 Somat eDAQ Prompt user for run descriptions on test run starts Force TCE to issue a prompt for a test run description at the start of every test run. As this option is the only method of entering test run descriptions, deselecting it ensures blank test run description fields.

  • Page 52: Fcs Specific

    Somat eDAQ Option Description If channel is not used Issue a warning when any defined channel is not either used a in a DataMode or computed channel or stored in a DataMode. computed channel If channel is not used...
  • Page 53 Somat eDAQ Option Description SIE (delete old SIE Collect data in the SIE file format and limit the number of SIE files on files on test init) the eDAQ lite to one, emulating the behavior of SIF files. Collect data in the SIE file format and allow multiple SIE files on the eDAQ lite at the same time.

  • Page 54: Remote Test Run Control

    Somat eDAQ Use PC Card memory for remote RAM disk storage Store the static part of the RAM disk file on the PC Card. This effectively limits the size of the RAM disk file and helps prevent a situation where the RAM disk memory fills up before the PC Card memory.
  • Page 55 Somat eDAQ Option Description Disable Do not use remote control. Enable Use remote control for all subsequent tests. Query Choose whether to use remote control at each test initialization. Input bit assignment Select the desired run/stop control bit. If the line for this bit is high (logical 1), a test run starts;...

  • Page 56: Scope And Spectrum Display

    Somat eDAQ 3.2.5 Scope and Spectrum Display The scope and spectrum display options allow changes in the color schemes and other presentation parameters for both run-time displays and the original displays used when a test is not running. For more information on scope and spectrum displays, see “Viewing Channel Displays”...

  • Page 57: Group Dvm Display

    Somat eDAQ Option Description Normal The signal trace begins again at the left side of the plot. Scroll The signal trace scrolls continuously to the left at the rate at which data is received and with the current value at the right edge.
  • Page 58 Somat eDAQ There are also options provided to auto range the full-scale definitions based on the minimum and maximum values reported for each channel for any given run. To use this functionality, highlight the desired channels in the list box complete the following control fields.

  • Page 59: Using Tce

    Somat eDAQ 4 Using TCE The following chapter provides detailed information on performing the various tasks available using TCE. These include defining a test setup, calibrating transducer inputs, lite status and transducer inputs before, during running a full test, monitoring eDAQ and after test runs, uploading test data for analysis, configuring remote control lite /eDAQ systems.

  • Page 60: Configuring The Hardware

    (Master, GPS Master, or Megadac Master) in the test setup file. There can be any number of slaves. For more information on networking using TCE, see “Networking eDAQlite /eDAQ Systems” on page Network Mode Description...

  • Page 61: Creating Channels And Datamodes

    Several of the hardware layers and modules offer user-configurable settings while others only show characterization details. For information on specific configuration settings available for each layer or module, see “eDAQlite Hardware” on page NOTE The thermocouple layer (ELNTB) and the power controller do not offer any configuration options.

  • Page 62: Using Existing Setup Definitions

    Somat eDAQ Copying Channels and DataModes When creating many channels or DataModes with similar properties, use the Copy option available in each window. For computed channels and DataModes, TCE only allows the creation of one copy at a time.

  • Page 63: Calibrating Input Channels

    Somat eDAQ Notes on Using Setup Files from Previous TCE Versions Consider the following when using setup files from previous versions of TCE. • Serial bus channels defined in TCE setup files prior to V3.8.2 are invalid. Delete these channels from the setup file and add them from the new serial bus databases provided with later releases.
  • Page 64 Somat eDAQ which represents the linear relationship of engineering units to the input signal. Define either two calibration points (values) or one calibration point (value) and a calibration slope (span). With the two calibration steps properly defined, select Calibrate to perform the actual calibration.
  • Page 65 Somat eDAQ Channel Additional Modes ELBRG 50-kilohm span, 100-kilohm span, 200-kilohm span, 500-kilohm span Strain SMART 50-kilohm span, 100-kilohm span Module These options define the slope of the calibration line. Enter the engineering units lite internally applies the selected shunt resistor equivalent for the span.
  • Page 66 Somat eDAQ For a shunt calibration based on a known shunt, enter the shunt resistor and corresponding engineering value (e.g., a 33.2-kilohm shunt that produces a 2200-pound output). TCE initially highlights the shunt resistor that results in the closest engineering value.

  • Page 67: Calibration Control

    Somat eDAQ fit to determine the best linear fit calibration slope and offset. Once the calibration is completed, TCE creates two defined values based on the user-defined full-scale min and max. Defined mV/V The defined mV/V calibration mode is available only for low level signal conditioner transducers (ELBRG and Strain SMART Module).

  • Page 68: Calibration Specifications

    Somat eDAQ NOTE lite resets the internal counter value to For quadrature decoder channels, the eDAQ zero before performing a zero adjust. Delete Calibration Delete the calibration to clear the calibration date field and modify calibration-related parameters before recalibrating the channel.

  • Page 69: Initializing A Test

    Somat eDAQ Figure 4-1: TCE Control Panel for quick access to test run tasks. Running a test using the existing test setup definition consists of the following steps. 4.3.1 Initializing a Test The initialization process prepares the eDAQ lite for a test run. Select Initialize from the Test Control menu or toolbar to begin initialization which consists of the following steps.

  • Page 70: Previewing A Test Run

    Test Control menu or toolbar. 4.3.4 Starting a Test Run To start a test run, select Start Run from the Test Control menu or toolbar. The Somat eDAQ lite supports multiple test runs for an initialized test. Start a new test run anytime after a previous run stops or during a preview run.

  • Page 71: Using Interactive Triggers

    Somat eDAQ The data acquired on multiple runs is stored in a single SIF data file. Each channel of acquired data is tagged with the designated run number. Run descriptions are stored in a fixed 2048 character record of the SIF data file allocated when the test is initialized.

  • Page 72: Viewing Channel Displays

    Somat eDAQ Category Indicator Description lite . Test Run Status Test Initialized Indicates that a test is initialized on the eDAQ Remote Control If a test is initialized, indicates the status of the remote control mode as either disabled, enabled or suspended.

  • Page 73: Displays Overview

    Somat eDAQ 4.5.1 Displays Overview Channel displays are available before initialization, as a prerun option and as run-time displays during a test run. NOTE When applicable, always define the excitation circuitry before displaying the transducer signal. • Pre-Initialization —Before initialization, TCE can display transducer channels lite uses the user-defined sample rate and before or after calibration.

  • Page 74: Common Display Options

    Somat eDAQ Display Pre-Init Prerun Run-time Max Chs. 16 or 256 Scope Plot Spectrum Plot Digital Readout Bar Chart Strip Chart NOTE The maximum number of channels allowed for a group DVM display depends on the display mode selected in the Group DVM Display Preferences. For more information on these preferences, see “Group DVM Display”...

  • Page 75: Dvm

    Somat eDAQ View Select one of the two view modes available for each display. View Mode Description Scan Update data in the display as it is received. Hold Do not update the display. For some displays, the Hold mode allows access to certain display options.
  • Page 76 Somat eDAQ Figure 4-3: A TCE DVM signal display for a group of channels. Rate Adjust the rate scroll bar to change the rate at which TCE updates the display. NOTE A DVM for a single digital input channel offers the option to read bits. When using this...

  • Page 77: Scope Plot

    Somat eDAQ 4.5.4 Scope Plot The scope plot display is similar to that of an analog oscilloscope except that the lite acquires all of the data samples and display is not updated until the eDAQ transfers them to TCE which creates a delay in the data presentation. The scope plot is available for a single channel at pre-initialization, as a prerun option and as a run-time display.

  • Page 78: Spectrum Plot

    Somat eDAQ 4.5.5 Spectrum Plot The spectrum plot display shows the frequency content of the signal. TCE scales the x-axis from 0 Hz to the Nyquist frequency (i.e., half the sample rate) and the log y-axis to cover up to six decades. The data points are the approximate sine amplitude of the signal components at each frequency.

  • Page 79: Digital Readout

    Somat eDAQ 4.5.6 Digital Readout The digital readout display continuously shows two sets of minimum and maximum readings in a digital format for up to 16 channels. The last reading min and max columns display the minimum and maximum values from the latest reading. The since reset min and max columns show the overall minimum and maximum values since the start of the display or the last reset.

  • Page 80: Bar Chart

    Somat eDAQ 4.5.7 Bar Chart The bar chart display uses solid horizontal bars to continuously show the most recent minimum and maximum data values for up to 16 channels. TCE uses an arrow head to point to the bar when the bar is very thin. The chart also uses cross-hatched horizontal bars to show the overall minimum and maximum values since the start of the display or the last reset.

  • Page 81: Strip Chart

    Somat eDAQ 4.5.8 Strip Chart The strip chart display shows the minimum and maximum readings for up to four channels as a sequence of solid vertical bars along the x-axis. The chart displays up to 400 most recent min-max readings. The strip chart is available as a run-time display only.

  • Page 82: Uploading Test Data

    Somat eDAQ Plot Mode Description Normal When the plot reaches the end of the x-axis, TCE erases the display and draws the next vertical bar at the beginning of the x-axis. Scroll The vertical bars continuously scroll from left to right after the plot reaches the end of the x-axis for the first time.

  • Page 83: Extracting Data From Sie Or Sif Files

    Somat eDAQ lite temporarily or Ethernet connections broken temporarily. If lost to the eDAQ necessary, abort the communications loop using the Abort option in the upload progress window. NOTE To increase data analysis performance, chain frame demultiplexing to the upload process using TCE General Preferences.
  • Page 84 Somat eDAQ Keyword Data Set Description lite . Reference Shunt Check Info Not applicable to the eDAQ Run Rezero File Extract the run number indexed TCE transducer rezero ASCII file to a PC file. The run number index starts from 1. The first line of the file specifies the run number.

  • Page 85: Using Remote Control Operation

    Somat eDAQ Example PC Message Channel Files • ASCII Message Channel: # msg_ascii@simmsg_asc.RN_1 (Sim Msg simmsg_asc) RX 10.0000000: 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50 51 52 53 54 55 56 57 58 59 5A 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50 51 (and so on...)

  • Page 86: Networking Edaq Lite /Edaq Systems

    For information on setting up the networked systems, see “Networking eDAQlite /eDAQ Systems” on page NOTE lite is configured as either a master or a slave and a power failure or...

  • Page 87: Using Remote Control With A Network

    Somat eDAQ lite /eDAQ, which results in the the test run or preview on the master eDAQ de-assertion of the MSR clock source. When this occurs, each slave detects the loss of the MSR clock source and stops the test run or preview synchronously.
  • Page 88 Somat eDAQ HBM: public I2773-4.4 en...

  • Page 89: 5 Edaqlite Hardware

    ELCPU such as battery power, Ethernet eDAQ communications and on-board memory, see “Using the eDAQlite” on page 5.1.1 ELCPU Available Inputs The ELCPU includes a serial port (Comm) which can be used as an input for serial bus data.
  • Page 90 Somat eDAQ Pipe Frame Rate lite test engine pipe frame rate. As data samples are collected from Select the eDAQ lite places them in blocks of data (i.e., data the transducer channels, the eDAQ frames) and routes (i.e., pipes) them into computed channels and DataModes. In the flow of data from the transducer inputs through the DataModes, the data frames are referred to as pipe frames.

  • Page 91: Elcom (Vehicle Network Communications Layer)

    GPS communications port. The ELCOM layer supports up to 254 vehicle bus channels per input. The layer comes with many predefined databases such as J1939. The GPS communications port is designed to work with Somat GPS devices. %#0  %#0 ...

  • Page 92: Eldio Configuration Options

    Somat eDAQ ELDIO Digital Input/Output There are 12 digital input/output lines available for the ELDIO. Use TCE to configure the lines on the |1-4| and |5-8| connectors as either inputs or outputs. The input lines can be sampled individually to generate logical (i.e., Boolean) data streams for triggering or other logical operations.
  • Page 93 Somat eDAQ Vehicle Module Usage (bank) The vehicle bus module usage parameter displays what type of vehicle bus module, if any, is defined in the current hardware setup. Input/Output Configuration (bank) Configure the eight channels on connectors |1-4| and |5-8| as either inputs or outputs.

  • Page 94: Elbrg (Bridge Layer)

    Somat eDAQ GPS Clock Interface Select the GPS clock interface option to open another dialog window with the enable GPS clock generation option. Select the GPS clock generation option to enable GPS-based master sample rate clock generation. Only one GPS-based clock generation source can be defined in a test setup.

  • Page 95: Elhls (High Level Analog Layer)

    Somat eDAQ Figure 5-4: Diagram of the M8 connectors on an ELBRG layer. Each independent channel contains programmable excitation, an eight-pole Butterworth analog guard filter, a 16-bit A/D converter, software selectable digital filtering and output sample rate options of up to 100 kHz.

  • Page 96: Egps-5Hz (Somat Gps Receiver)

    To generate the differential temperature, use a simple Desk Calculator computed channel. Use a Down Sampler computed channel to achieve the desired data storage rate. EGPS-5HZ (Somat GPS Receiver) The EGPS-5HZ is a commercial WAAS-enabled GPS receiver with a fixed 5 Hz navigational update rate.

  • Page 97: Available Inputs

    GPS channel to the test setup. EGPS-200 (Precision GPS Module) The EGPS-200 module, part of the Somat Sensors product line, is a GPS receiver designed for non-contact speed measurements in vehicle testing applications such as braking and acceleration.

  • Page 98: Available Inputs

    Somat eDAQ use with an external GPS antenna and a TNC connection that allows for external triggering. The receiver has a serial interface connection routed to the ELDIO or ELCOM. Another feature available with the EGPS-200 receiver is GPS-based master sample rate clock generation.

  • Page 99: Vehicle Bus Module

    Somat eDAQ Vehicle Bus Module The ELDIO and ELCOM layers support vehicle bus modules (VBM). For the ELDIO, only connectors |1-4| and |5-8| support a VBM. Use a SAC-EXT-VB Extension Cable lite . If using an additional extension (1-SAC-EXT-VB-2) to connect the VBM and eDAQ...

  • Page 100: Importing A2L Files

    Somat eDAQ Hardware Specifics Configure parameters that are applicable to specific vehicle bus hardware interfaces. Option VB Interface(s) Description Baud Rate CAN, PWM, Specify the desired baud rate. ISO9141/KW2000 Transducer Power ELCOM dedicated Specify the desired transducer power in the CAN ports only range of 3 to 24 volts (±10%)

  • Page 101: Smart Modules

    Somat eDAQ 5.10 SMART Modules SMART module adapters act as an interface between a transducer and an ELHLS input channel which powers the module. Each SMART module provides specialized signal conditioning as a front end to the ELHLS signal conditioning and includes independent self-identification capabilities and self-calibration parameters.

  • Page 102: Network Camera Devices

    Somat eDAQ 5.11 Network Camera Devices 5.11.1 Network Camera Available Inputs Camera Message Channel The camera message channel is a sequence of JPEG images from a networked Axis lite timestamps the images as it receives them at a maximum rate camera.
  • Page 103 Somat eDAQ Necessary Equipment The TCE software supports the following network camera devices: Device Compatible TCE Version Axis 211 Network Camera TCE 3.14 or later Axis M7001 Video Encoder TCE 3.15 or later Axis P1311 Network Camera TCE 3.15 or later Axis P1344 HD Network Camera TCE 3.15 or later...
  • Page 104 Somat eDAQ 3. Click on the hardware tab and then Manage Network Cameras beneath the hardware table to navigate to the camera setup page. 4. Click the Find Network Cameras button under Available Networked Cameras to add the networked camera. The new entry is named “Misconfigured Camera.”...

  • Page 105: Network Camera Troubleshooting

    If the problem persists: • Consult with the local IT department to resolve any network issues. • Contact HBM Somat customer service. Please carefully record all troubleshooting results before contacting HBM Somat. Troubleshooting After Configuration To troubleshoot a previously configured camera: 1.
  • Page 106 Somat eDAQ HBM: public I2773-4.4 en...

  • Page 107: Input Channels

    Somat eDAQ 6 Input Channels This chapter details all of the available input channels and their parameters. To acquire data during a test, define input channels for each input signal in the transducer setup window. Input channels can be transducer channels, message channels or data channels derived from various message-oriented data sources.

  • Page 108: Output Sample Rate

    Somat eDAQ 6.1.2 Output Sample Rate Output Sample Rate Select the sample rate for the input channel. The sample rate options are factors of the defined master sample rate (100 kHz or 98.04 kHz). The sample rate should be at least two times the maximum frequency content of the input signal to ensure that the bandwidth of the signal is completely characterized.

  • Page 109: Prerun Rezero

    Somat eDAQ Engineering Value Specify the calibration value in engineering units. Input Signal Value Specify the corresponding signal value for the defined value and defined span calibration modes. Calibrate Select calibrate to begin calibration for the selected channel. If the transducer is already calibrated, TCE presents more calibration options.

  • Page 110: Display Control

    Somat eDAQ Value Specify the engineering value associated with the transducer when rezeroed. NOTE There is a limitation on rezeroing low level signal conditioners when using high level input levels. If the rezero results in the situation where the full-scale values exceed the voltage limits of the signal conditioner, a calibration error occurs before the test run starts.

  • Page 111: Pulse Counter

    Somat eDAQ 6.2.2 Pulse Counter lite allows two pulse counter channels on each of the three For the ELDIO, the eDAQ connectors (i.e., bits |1-4|, |5-8| and |9-12|). Note that the quadrature decoder mode requires two adjacent input bits (i.e., 1-2 or 3-4 for the first connector) and the odd numbered input connector pin is typically designated encoder output A, while the even numbered input connector pin is typically designated encoder output B.
  • Page 112 Somat eDAQ Mode Description Pulse Time Period Output the pulse period in microseconds. The unsigned 32-bit counter can measure pulse widths from 200 nanoseconds to approximately 850 seconds. Because this mode is the most efficient from a processing point of view, consider using it for measuring the same...

  • Page 113: Analog Input Channels

    Somat eDAQ Pulse Frequency Mode Notes Consider the following when using a pulse counter in frequency mode. • Because the ELDIO uses a 32-bit counter, it has an effective working range in this mode of less than 0.002 Hz.
  • Page 114 Somat eDAQ Output Data Type Select an output data type of 16-bit signed, 32-bit float or 8-bit signed. The fundamental data type for bridge channels is 16-bit signed, which consumes the least amount of data storage while maintaining full 16-bit data resolution. The 32-bit float data type adds a great deal of computational overhead and is not recommended for high rate data collection.
  • Page 115 Somat eDAQ Bridge Type Select the bridge type to match the transducer or select the differential amplifier option if the transducer does not use a bridge. The available types are full bridge, half bridge, quarter bridge and differential amplifier.

  • Page 116: Simultaneous High Level

    Somat eDAQ To accurately measure the leadwire resistance, use the four-wire resistance measurement method. Nominal resistance values for transducer cable wires can help to estimate the leadwire resistance (see “Cable Resistances” on page 223). However, since contact resistances at mechanical connections are difficult to estimate, measure the leadwire resistance for optimum accuracy.
  • Page 117 Somat eDAQ Break Frequency Specify the break frequency in hertz for the selected digital filter. For a Butterworth filter, this is the approximate frequency at which the signal attenuation is 3 dB or 70.7% of the unfiltered signal voltage at that frequency. For a linear phase filter, the field is named the roll off start frequency and is the approximate frequency at which the signal starts to attenuate.

  • Page 118: Smart Module Input Channels

    Somat eDAQ NOTE To supply power greater than 400 milliwatts to a single transducer, define multiple channels and tie their power sources together. All the channels used for a single transducer must have the same voltage settings. SMART Module Input Channels Add a SMART module channel to any ELHLS connector with an installed SMART module.
  • Page 119 Somat eDAQ millivolts for the nominal gain of 10 or ±18 millivolts for the nominal gain of 100. For a 10-volt excitation range, the inputs are limited to ±360 millivolts for the nominal gain of 10 or ±36 millivolts for the nominal gain of 100.
  • Page 120 Somat eDAQ Leadwire Resistance Correction Select the leadwire resistance correction option to compensate for leadwire resistance effects when using the defined span or external span calibration modes. NOTE lite always performs leadwire resistance correction for shunt calibrations The eDAQ and transducers calibrated using the defined span or external span calibration modes.

  • Page 121: Smitc (Thermocouple Smart Module)

    Somat eDAQ 6.4.2 SMITC (Thermocouple SMART Module) NOTE lite uses the full-scale min and max values defined in the ELHLS parent The eDAQ channel to configure the converter that outputs analog voltage as a function of computed thermocouple temperature. To optimize the temperature measurement accuracy, set the full-scale values as close as possible to the temperature extremes expected in the test.

  • Page 122: Common Bus Channel Parameters

    “Serial Bus” on page • GPS - Add up to 128 GPS channels to an ELCOM or ELDIO GPS receiver. For more information on the GPS receivers, see “EGPS-5HZ (Somat GPS Receiver)” on page 96 “EGPS-200 (Precision GPS Module)” on page •...

  • Page 123: Vehicle Bus Message Channel

    Somat eDAQ Stale Data Expiration Set the data expiration time period in seconds. If the specified time elapses before the lite flags the data as invalid. receipt of a data update on the input channel, the eDAQ NOTE lite...

  • Page 124: Network Camera Input Channel

    Somat eDAQ Network Camera Input Channel Use the network camera message channel to acquire input from an Axis 211 network camera. The camera must be properly configured as outlined in “Network Camera Configuration” on page 102. NOTE To find the channel configuration options specific to the network camera, click the Message Channel Specifics button on the channel configuration window.

  • Page 125: Simulation Input Channels

    Somat eDAQ NOTE When using a Time History DataMode to enable plotting in Infield, ensure that the Time History sample rate is higher than the camera frame rate. For the maximum frame rate of 30 Hz, the Time History sample rate must be at least 100 Hz and is recommended to be 500 Hz or higher.

  • Page 126: Simulation Function Generator

    Somat eDAQ File Name Specify the full path name of the desired ASCII input file. Use the Browse button to select the desired file. Use the Check File option to parse the ASCII file and verify that the format is valid.

  • Page 127: Simulation Message

    Somat eDAQ Period Set the waveform period in terms of the number of samples. The waveform frequency (in Hz) is defined as the sample rate divided by the period. For example, a period of 100 samples at a sample rate of 1000 results in a 10 Hz signal.
  • Page 128 Somat eDAQ HBM: public I2773-4.4 en...

  • Page 129: Computed Channels

    Somat eDAQ 7 Computed Channels This chapter details the available computed channels and their associated parameters. A computed channel is a data channel derived from one or more transducer channels or from previously defined computed channels. For example, a...

  • Page 130: Arithmetic Computed Channels

    Somat eDAQ Input Channel Select the desired input channel(s) to the computation. The number of input channels permitted depends on the computed channel type. Output Data Type Depending on the channel type, the eDAQ lite provides several data type options.
  • Page 131 Somat eDAQ Desk Calculator Expression Build the Desk Calculator expression using keyboard entry or by double clicking an input channel or operation to add it to the expression. Syntax for the Desk Calculator expression is modeled after the standard C programming language and follows the same operator precedence rules.
  • Page 132 Somat eDAQ Category Operator Syntax Return a > b a is greater than b ; else FALSE. Logical > TRUE if a >= b a is greater than or equal to b ; else FALSE. >= TRUE if <...

  • Page 133: Engineering Scaler

    Somat eDAQ NOTE The subsecond time functions return the fractional part of a second at a resolution dependent on the sample rate of the Time Channel input. For example, a sample rate of 100 Hz results in a resolution of 0.01 seconds and a sample rate of 1000 Hz results in a resolution of 0.001 seconds.

  • Page 134: Integrator

    Somat eDAQ Input Channel The input channel data type must be 32-bit float. Output Data Type The output data type must be 8-bit integer, 8-bit unsigned, 16-bit integer, 16-bit unsigned, 32-bit integer, or 32-bit unsigned. 7.2.4 Integrator The Integrator channel generates an output channel that is the integral of the input channel.
  • Page 135 Somat eDAQ Reset on Sum Exceed Select the reset on sum exceed option to reset the integrator to the initial value when the absolute value of the integrator sum exceeds the value specified in the sum exceed value field.

  • Page 136: Pulse Counter

    Somat eDAQ Using the Integrator to Measure Accumulated Pulse Counts The use of the Integrator computed channel to yield accumulated counts varies based on the selected output data type. • 32-Bit Unsigned: The most efficient way to use the Integrator computed channel is with this data type; the integrator can then accumulate up to 4294967295 counts.

  • Page 137: Directional Velocity

    Somat eDAQ Minimum Frequency Limit Specify the desired minimum frequency limit for the Pulse Counter. If there is no new pulse within the period (1/ ), the channel outputs this frequency value. NOTE The minimum frequency limit parameter provides a solution when a pulse train stops.

  • Page 138: State Mapper

    Somat eDAQ Pulse Counter Application Note: Quadrature Encoder This Directional Velocity channel was developed primarily to provide a signed RPM output channel using a quadrature encoder connected to a EDIO layer. Configure one of the two pulse trains from the quadrature encoder as a pulse frequency transducer channel to yield the unsigned velocity input channel.

  • Page 139: Statistical Analysis

    Somat eDAQ ASCII File Specify the full path name of the ASCII file that defines the mapping conditions. Use the Browse button to select the desired file. Use the Check File option to parse the ASCII file and verify that the format is valid.
  • Page 140 Somat eDAQ Statistic Algorithm Mean Standard deviation Kurtosis Skewness Xth-percentile TCE sorts the data samples in the analysis window in ascending order and interpolates as required between the array element data values that border the exact Xth-percentile array element. For more...

  • Page 141: Damage Equivalent Load

    Somat eDAQ 7.2.9 Damage Equivalent Load The Damage Equivalent Load channel generates an accumulated equivalent load range value as a function of the user-defined damage slope parameter and the associated accumulated rainflow cycle count for the selected input channel.

  • Page 142: Fatigue Damage

    Somat eDAQ Application Note: Load-Life Fatigue Damage If the input channel is a linear function of load, the outputs of this channel can translate to a simple load-life fatigue damage assessment for the test run. For example, assuming that a load-life relationship is given by m is the damage slope.
  • Page 143 Somat eDAQ Sum Damage Only When TRUE Select the sum damage only when TRUE option to filter out input data samples that are not to be used in the fatigue damage accumulation processing. Trigger Channel Specify the trigger channel used in the sum on trigger feature. The trigger channel can be any logical channel that has the same sample rate as the input channel.
  • Page 144 Somat eDAQ NOTE Existing material databases may be defined in terms of either reversals to failure P /2) or stress amplitude ( S /2). Convert to the required ), load amplitude ( parameters as necessary. Edit Model Parameters Depending on the model selected, several parameters used in the computation are available for modification by clicking the Edit Model Parameters button.

  • Page 145: Triggering Computed Channels

    Somat eDAQ Triggering Computed Channels Trigger computed channels generate a logical channel data stream useful for triggering DataModes or other computed channels. 7.3.1 Interactive Trigger The Interactive Trigger channel provides a means to trigger DataModes and computed channels directly from TCE. Up to eight Interactive Triggers are supported. For more information on interactive triggering, see “Using Interactive Triggers”...

  • Page 146: Timed Trigger

    Somat eDAQ Off Period Specify the off period in seconds. The output switches back to the on state after this period. 7.3.3 Timed Trigger The Timed Trigger computed channel generates a logical output based on a logical input and user-defined timing parameters.

  • Page 147: Triggered Zero Suppression

    Somat eDAQ Sustain Period When using the sustain option, specify the desired sustain period in seconds. The maximum value for the sustain period is 4294967295 times the sample period. Sustain Conditional Mode Select one of two available sustain modes to conditionally set the output channel state based on the behavior of the input channel during the sustain period.

  • Page 148: Bitmap Trigger

    Somat eDAQ Suppression Value Define the desired suppression value. The default suppression value is zero. Keep in mind that if the input channel is a 32-bit float, the suppression value is in engineering units, but if the input channel is either a 32-bit integer or a 32-bit unsigned, the suppression value is in integer counts.

  • Page 149: Test Run Stopper

    Somat eDAQ 7.3.6 Test Run Stopper The Test Run Stopper channel stops a test run when the input channel becomes TRUE. NOTE To automatically start a test run after the Test Run Stopper stops a run, use the remote control option with the run control switch always in the run position.

  • Page 150: Time, Sample Rate And Filter Computed Channels

    Somat eDAQ NOTE Only one Power Saver channel is permitted per eDAQ network node. The Power Saver channel outputs a logical channel that indicates if power is applied to all layers. When a test run starts, before a switch to power save mode is triggered, the channel outputs TRUE.

  • Page 151: Time Base Shifter

    Somat eDAQ Input Channel The input channel can be any data type. Output Data Type Select an output data type of 32-bit float or 32-bit unsigned. NOTE Time channels are unique in that the selected data type determines the data type used in the DataModes.

  • Page 152: Up Sampler

    Somat eDAQ Figure 7-1: An illustration of the Down Sampler computed channel. NOTE Use the Down Sampler only when data values in the input channel change slowly and the possibility of losing significant data is minimal. Input Channel The input channel can be any data type.

  • Page 153: Smoothing Filter

    Somat eDAQ Figure 7-2: An illustration of the Up Sampler computed channel. NOTE Storing the output in memory increases the memory required for test data proportional to the up factor. Using the output only for intermediate calculations does not affect data storage memory.

  • Page 154: Digital Filter

    Somat eDAQ Filter Length Specify the desired length of the boxcar filter. The number must be an odd number between 3 and 201. 7.4.6 Digital Filter The Digital Filter computed channel generates an FIR digitally filtered output channel based on an ASCII file. The file format conforms to the conventions used by MATLAB®...

  • Page 155: Tracking Computed Channels

    Somat eDAQ Normalize Select the normalize tap coefficients option to normalize all tap coefficients for a unity gain. Tracking Computed Channels 7.5.1 Max Track The Max Track channel generates an output channel that tracks the maximum value of the input channel. A logical channel specified as a trigger can reset the output channel tracking.

  • Page 156: Range Track

    Somat eDAQ Enable Triggered Reset Select the triggered reset option to enable triggered resets of the tracker. NOTE Resetting the tracker sets the minimum value to the current sample value. Trigger Channel If using the reset enable feature, specify the desired trigger channel.

  • Page 157: Anomaly Detect

    Somat eDAQ Trigger Mode Description When TRUE Reset when the trigger channel is TRUE. On FALSE-TRUE edge Reset when the trigger transitions from FALSE to TRUE. On TRUE-FALSE edge Reset on the sample after the trigger channel transitions from TRUE to FALSE.

  • Page 158: Triggered Latch

    Somat eDAQ Drift Detect Select the drift detect routine to enable drift detection. TCE sets the reference mean as the mean value of the first window for each test run. If the difference between the current window mean and the reference mean exceeds the specified mean gate, bit 2 of the output byte is set to 1.

  • Page 159: Over Range Detector

    Somat eDAQ Invert Trigger Select the invert trigger option to reverse the default logic of the trigger. Over Range Detector 7.5.6 To use the Over Range Detector computed channel, fill in the information required for each of the sections described below. This computed channel is used to generate a logical channel data stream at the pipe frame rate.

  • Page 160: Valid Data Gate

    Somat eDAQ • %=90, FSMax = 100, FSMin = -100. The output is set to logic TRUE if value > 90 or if value < -90 • %=90, FSMax = 200, FSMin = -100. The output is set to logic true if value > 180 or if value <...

  • Page 161: Datamodes

    Somat eDAQ 8 DataModes™ This chapter details the available DataModes and their associated parameters and discusses data storage and memory considerations. DataModes determine how the lite stores and displays test data. A DataMode definition consists of a list of...
  • Page 162 Somat eDAQ • contain only valid characters (i.e., letters (a-z, A-Z), digits (0-9), and the underscore (_) character) • start with a letter • are not duplicates of system reserved names (sin, cos, log, etc.) Input Channel Select the input channel or channels to the DataMode. The total number of input channels for any DataMode is limited to 256.

  • Page 163: Sequential Datamodes

    Somat eDAQ Data Storage Select whether to store test data on the RAM disk or on the PC Card media (DRAM or internal Flash) as selected in the web interface. For more information on data storage options, see “Data Storage Options” on page NOTE lite does not support storing SIE data on the RAM Disk.

  • Page 164: Burst History

    Somat eDAQ Data Type For 32-bit float input channels, select one of three available formats for data storage and conversion. Data Type Description 32-bit float No conversion is necessary. Use the 32-bit float mode for computed channels where full-scale estimates are uncertain or unknown.
  • Page 165 Somat eDAQ Data Type Description 32-bit float No conversion is necessary. Use the 32-bit float mode for computed channels where full-scale estimates are uncertain or unknown. 16-bit integer Maintain the resolution of both the 12-bit and 16-bit A/D converters.
  • Page 166 Somat eDAQ DRAM Buffering Selecting the DRAM buffering mode allocates the circular buffer used for burst data lite allocates the circular buffer capture in DRAM memory. Otherwise, the eDAQ directly on the Linux file system media. DRAM buffering is only available when using the internal CompactFlash memory for data storage.

  • Page 167: Event Slice

    Somat eDAQ Application Note: Guidelines for Setting the DRAM Buffering Option If the total DRAM allocation for all Burst History channels for a single burst record is 500 kB or less, selecting the DRAM option is advised for maximum throughput efficiency. If the total DRAM allocation is 4 MB or more, then selecting the DRAM option...

  • Page 168: Message Logger

    Somat eDAQ Time Input Channel Optionally, select a Time Channel computed channel from the provided list. For more information on the Time Channel computed channel, see “Time Channel” on page 150). Store Initial State Set the store initial state parameter to yes to always store the initial state at the start of each test run.

  • Page 169: Peak Valley Slice

    Somat eDAQ Hysteresis Specify the desired hysteresis level for the peak valley processing algorithm. 8.3.6 Peak Valley Slice The Peak Valley Slice DataMode stores a set of master channels and a set of slave channels in the output data file. The set of master channels provides a peak/valley...

  • Page 170: Histogram Datamodes

    Somat eDAQ Plateau Size Specify the criterion for storing a peak or valley candidate slice as a plateau event. The size refers to the minimum number of peak and valley slices in the holding queue that lite stores the blocking peak or valley candidate slice as a must exist before the eDAQ plateau event.

  • Page 171: Peak Valley Matrix

    Somat eDAQ 8.4.2 Peak Valley Matrix The Peak Valley Matrix DataMode stores multiple channels of peak valley reversal lite acquires peaks and valleys from histograms in the output data file. The eDAQ triggered or un-triggered time history data streams using the user-specified hysteresis value and the peak valley processing algorithm.

  • Page 172: Time At Level (One Dimensional)

    Somat eDAQ Histogram Mode Select one of three available histogramming modes. Mode Description Range-Mean Accumulate cycle counts in bins with both a cycle range dimension and a cycle mean value dimension. Range Only Accumulate cycle counts in bins with only a cycle range dimension.

  • Page 173: Digital Output

    Somat eDAQ Digital Output A Digital Output is a pseudo-DataMode. Digital outputs are compatible with the first eight bits of the ELDIO. For more information on ELDIO digital outputs, see “ELDIO Digital Input/Output” on page Use the Digital Output definition window to define all desired digital outputs. For each desired output target bit, specify the associated logical control channel, output mode, initial state and stop run action.
  • Page 174 Somat eDAQ Stop Run Action For each digital output, select the desired action when the test run stops. Stop Run Action Description No Action Do not change the output line when the test run stops. Set Hi Set the output line to high (TRUE) when the test run stops.

  • Page 175: Edaq Lite Web Interface

    Somat eDAQ lite Web Interface 9 eDAQ lite web interface provides controls to activate saved test initializations, The eDAQ start and stop test runs, monitor test status, and end initialized tests. The web interface can also perform a number of system configuration and other utility operations, including formatting PC Cards, modifying ethernet and serial communication settings, lite firmware with new version releases.

  • Page 176: System Setup

    Somat eDAQ lite web interface. Figure 9-2: System tab of the eDAQ 9.2.1 System Setup The system setup group of pages provide methods to modify the network configuration parameters, RS-232 communication parameters, remote user name and password and the time zone in which the eDAQ lite resides.

  • Page 177: System Status

    Somat eDAQ Remote Username and Password Setup lite Set the usernames and passwords that are allowed remote access to the eDAQ through a dial-up connection. To make changes to this setup, modify the file as needed. In the default configuration shown below, “ppp” is the remote username and “123”...

  • Page 178: Hardware Tab

    Somat eDAQ Hardware Tab lite The Hardware tab contains information about the hardware contained in the eDAQ stack including the network node associated with the hardware, the type of layer and its serial number, the version number of the code contained in the flash memory and information about the PC Card (if installed).

  • Page 179: Manage Network Cameras

    Somat eDAQ Code The code column displays the version of the code (i.e., firmware) that controls the layer. To update the code from the web interface, click the hyperlink. For layers that place more than one entry in the hardware list, only one of the entries allows an update to the firmware.

  • Page 180: Select Storage Device

    Somat eDAQ lite and update the Click the Update eDAQ hardware list button to reset the eDAQ hardware list on the hardware tab to include the selected cameras shown in the table. Click the Cancel Changes button to clear the selected network cameras table without adding any cameras to the hardware list.

  • Page 181: Data Tab

    Somat eDAQ View eDAQ Logbook lite unit. This file contains information on View the log file maintained on the eDAQ lite events (e.g., resets, test initializations, etc.) and the values of significant eDAQ lite state variables. It is available primarily for HBM internal pertinent eDAQ development and field service troubleshooting.

  • Page 182: Sif Test Data

    Somat eDAQ When viewing a table of channels, click on Plot in the plot column to view a simple plot of the channel data as a function of time. Click the name of the channel in the name column to view basic channel information and the actual data collected during the test run.

  • Page 183: 10 Troubleshooting

    PC, get the test status using TCE or the web interface. Note any error or status flags and check the eDAQlite Flags section for their meaning. In a few cases, the flags may provide sufficient information to understand the problem.

  • Page 184: Known Problems

    Somat eDAQ 10.2 Known Problems Test data lost or corrupted after power cycling If the eDAQ lite data file is lost or corrupted after a power cycle, the main backup battery is most likely not properly charged. Test for a proper charge by turning on the eDAQ lite and disconnecting the power source.
  • Page 185 Somat eDAQ MathException The MathException flag indicates a floating point math exception such as taking the square root of a negative number in a Desk Calculator computed channel. While not a fatal error in itself, it does indicate a situation that is most likely undesirable.

  • Page 186: Error Flags

    This may occur when many channels are taking data at very high sample rates or large numbers of computed channels are defined. For a thorough discussion of this problem, see Tips on Eliminating eDAQlite OverFlow Errors. Internal The Internal error flag indicates that a serious error condition exits on the eDAQ lite unit most likely resulting from a hardware failure or a software deficiency.

  • Page 187: Corrupt Sif File Data Recovery

    This may occur when many channels are taking data at very high sample rates or large numbers of computed channels are defined. For a thorough discussion of this problem, see Tips on Eliminating eDAQlite OverFlow Errors. RAMDiskCorrupt The RAMDiskCorrupt flag indicates a corruption of the RAM Disk memory. Transfer any existing test data files to the PC and reformat the RAM Disk.

  • Page 188: Tips On Eliminating Edaq Lite Overflow Errors

    Somat eDAQ Data stored in the SIF format can be corrupted in the unlikely event of one or more power failures during a test run when there is insufficient charge in the backup battery. Understanding that these corruptions do happen, HBM does attempt to evaluate and, if possible, recover SIF data file contents.
  • Page 189 /eDAQ systems. For more information on networking, see eDAQ “Networking eDAQlite /eDAQ Systems” on page 39 “Networking eDAQlite /eDAQ Systems” on page Reduce the scope of the test As a last resort, reduce the scope of the test by reducing sample rates, reducing channel counts or eliminating computed channels and DataModes.
  • Page 190 Somat eDAQ HBM: public I2773-4.4 en...

  • Page 191: 11 Data Types

    Somat eDAQ 11 Data Types lite supports the following data types: The eDAQ • 32-bit float • 32-bit integer • 32-bit unsigned • 16-bit integer • 16-bit signed • 16-bit unsigned • 8-bit integer • 8-bit signed • 8-bit unsigned (logic, bitmap, message) The following table summarizes the data types supported by each input channel, computed channel and DataMode.
  • Page 192 Somat eDAQ Category Channel Type Input Data Type Output Data Type Computed Channel Anomaly Detect 32-bit float 8-bit unsigned (bmp) Bitmap Trigger 8-bit unsigned (bmp) 8-bit unsigned (logic) Damage Equivalent Load 32-bit float 32-bit float Desk Calculator Based on specific operators (below)
  • Page 193 Somat eDAQ Category Channel Type Input Data Type Output Data Type Computed Channel Range Track 32-bit float 32-bit float for 32-bit float input, (continued) 16-bit integer 16-bit unsigned for 16-bit integer input Smoothing Filter 32-bit float same as input...
  • Page 194 Somat eDAQ Category Channel Type Input Data Type Output Data Type DataMode Burst History Digital Output 8-bit unsigned (logic) Event Slice Message Logger 8-bit unsigned (msg) Peak/Valley 8-bit integer 16-bit integer 32-bit float Peak/Valley Matrix 32-bit float 16-bit integer*...

  • Page 195: 12 Cable Pinouts

    Somat eDAQ 12 Cable Pinouts 12.1 ELCPU (Main Processor) 12.1.1 Communications Cable lite is compatible with several different communications cables each of The eDAQ lite Comm port. which provide a 26-pin D-Sub connector for connection to the eDAQ The following table lists the communications cables and their connectors.
  • Page 196 Somat eDAQ RJ-45 Ethernet Connector 26-Pin RJ-45 Wire Color Wire Color Function D-Sub (X/O) (HUB) 10/100 BASE-T Receive + Orange/White Green/White 10/100 BASE-T Receive - Orange Green 10/100 BASE-T Transmit + Green/White Orange/White 10/100 BASE-T Transmit - Green Orange...

  • Page 197: Power Cable

    Somat eDAQ 12.1.2 Power Cable The Somat EPWR15 Power Cable (1-EPWR15-2) has a 15-pin D-Sub connector for lite and two sets of pigtail wires: one for connection to the Power port on the eDAQ main power and one for remote power. The following table lists the pinouts for the EPWR15 cable.

  • Page 198: Elhls (High Level Analog Layer)

    ELBRG (Bridge Layer) ELBRG Transducer Cable The ELBRG layer uses a Somat SAC-TRAN-MP Transducer Cable (SAC-TRAN-MP) with an M8 connector and a set of color-coded pigtail wires. The following table lists the pinouts for the SAC-TRAN-MP cable when used for an ELBRG input.

  • Page 199: Eldio (Digital I/O Layer)

    A and B. 12.6 Vehicle Bus Modules (VBM) The vehicle bus modules use the Somat SAC-TRAN-MP Transducer Cable (1-SAC-TRAN-MP-2-2 or 1-SAC-TRAN-MP-10-2) with an M8 connector and a set of color-coded pigtail wires. The following sections list the pinouts for the SAC-TRAN-MP cable when used with each available VBM interface.

  • Page 200: Transducer Cable For J1708 Interface

    Somat eDAQ Function Wire Color VPW_bus White AGnd bare wire +12 V REF 12.6.2 Transducer Cable for J1708 Interface The following table lists the pinouts for the SAC-TRAN-MP when used with the J1708 interface. NOTE Always provide the +12 volt REF voltage for the J1708 module to function.

  • Page 201: Transducer Cable For Iso9141/Kw2000 Interface

    Somat eDAQ Function Wire Color Brown CANH White AGnd bare wire Power +12 V REF Red (SWC) CANL Green 12.6.4 Transducer Cable for ISO9141/KW2000 Interface The following table lists the pinouts for the SAC-TRAN-MP cable when used with the ISO9141/KW2000 interface.
  • Page 202 Somat eDAQ HBM: public I2773-4.4 en...

  • Page 203: 13 Device Wiring

    13.1 ELDIO (Digital I/O Layer) 13.1.1 ELDIO Digital Input Use the Somat SAC-TRAN-MP Transducer Cable (1-SAC-TRAN-MP-2-2 or 1-SAC-TRAN-MP-10-2) to wire ELDIO digital inputs. Preferred Switch Whenever possible, a single-pole, double-throw switch, wired as shown below, should be used for switched inputs. This circuit solidly switches the input line to either ground or +5 volts and prevents coupling of the input line to other digital input lines.

  • Page 204: Eldio Digital Output

    Somat eDAQ 13.1.2 ELDIO Digital Output Use the Somat SAC-TRAN-MP Transducer Cable (1-SAC-TRAN-MP-2-2 or 1-SAC-TRAN-MP-10-2) to wire ELDIO digital outputs. Operating a 12-volt Incandescent Bulb The following diagram shows an incandescent bulb (3 watts maximum) used as an indicator in the digital output circuit. An external 12-volt DC power supply provides power for the bulb.

  • Page 205: Elhls (High Level Analog Layer)

    Somat eDAQ 13.2 ELHLS (High Level Analog Layer) 13.2.1 ELHLS Analog Input Use the Somat SAC-TRAN-MP Transducer Cable (1-SAC-TRAN-MP-2-2 or 1-SAC-TRAN-MP-10-2) to wire ELHLS analog inputs. NOTE Do not use this wiring diagram for ELBRG channels. 5KIPCN YJKVG '.*.5...

  • Page 206: Elbrg (Bridge Layer)

    SMSTRQB), the white lead wire is routed to the internal completion resistor. 13.3 ELBRG (Bridge Layer) 13.3.1 ELBRG Bridge Transducers Use the Somat SAC-TRAN-MP Transducer Cable (1-SAC-TRAN-MP-2-2 or 1-SAC-TRAN-MP-10-2) to wire ELBRG bridge transducer inputs. HBM: public I2773-4.4 en...
  • Page 207 Somat eDAQ 'ZEKVCVKQP TGF '.$4) 5#%64#0/2  5KIPCN ITGGP  'ZEKVCVKQP DNCEM 5KIPCN YJKVG Figure 13-9: Wiring diagram for a full-bridge configuration on an ELBRG layer. 'ZEKVCVKQP TGF '.$4) 5#%64#0/2  5KIPCN ITGGP  'ZEKVCVKQP DNCEM Figure 13-10: Wiring diagram for a half-bridge configuration on an ELBRG layer.

  • Page 208: Elbrg Analog Input

    Somat eDAQ 13.3.2 ELBRG Analog Input Use the Somat SAC-TRAN-MP Transducer Cable (1-SAC-TRAN-MP-2-2 or 1-SAC-TRAN-MP-10-2) to wire ELBRG analog inputs. NOTE Do not use this wiring diagram for ELHLS channels. 5KIPCN YJKVG '.$4) 5#%64#0/2  5KIPCN ITGGP 5JKGNF)TQWPF DCTG Figure 13-12: Wiring diagram for a standard analog input on an ELBRG layer.

  • Page 209: 14 Data Synchronization

    Somat eDAQ 14 Data Synchronization This section describes the limitations on the synchronization of the data samples. lite data acquisition synchronization across channels is accomplished by using eDAQ a single master clock source that drives the data acquisition hardware. The term lag indicates that, in a Time History plot, the data appears later than it should while the term lead indicates that the data appears earlier than it should.

  • Page 210: Elhls And Elbrg Channel Synchronization

    Somat eDAQ Sample Rate (Hz) Channel 25000 10000 2500 32768 8192 2048 HLSS_1.c01 0.00 0.00 0.00 0.00 0.00 0.00 HLSS_1.c02 0.37 0.37 0.37 0.37 0.40 0.38 HLSS_1.c03 -0.09 -0.10 -0.05 -0.09 -0.07 -0.06 HLSS_1.c04 -0.08 -0.09 -0.09 -0.09 -0.07 -0.05...

  • Page 211: Digital Channel Synchronization

    Somat eDAQ Figure 14-1: Typical data skew distribution of 64 EHLS channels for several sample rates. 14.3 Digital Channel Synchronization The ELDIO digital input channels are synchronized to the analog channels as closely lite reads the state of the digital input status register for each as possible.

  • Page 212: Bus-Oriented Channel Synchronization

    Somat eDAQ 14.4.1 Bus-Oriented Channel Synchronization The vehicle bus, serial bus, and GPS messages are time stamped as they are lite . The time stamps are synchronized to the same eDAQ lite received by the eDAQ MSR clock used for all other inputs. As such, the inherent skew (always a lag) for...

  • Page 213: 15 Digital Filtering

    Somat eDAQ 15 Digital Filtering The following sections provide information on the user-configurable digital filtering available for ELHLS and ELBRG channels. For information on the analog filtering for each layer, refer to layer data sheet. 15.1 Signal Aliasing In the process of converting analog input signals to digital data representations, signal aliasing can occur if the digital sample rate is too low compared to the frequency content of the analog signal.

  • Page 214: Elhls And Elbrg Digital Filters

    Somat eDAQ The linear-phase filter provides superior performance and is recommended over the Butterworth filter. Use the Butterworth filters when it is required to match results with other test systems. The characteristics of these filters are shown in the following sections according to the input channel type.
  • Page 215 Somat eDAQ      6JGQTGVKECN (+4 #RRTQZKOCVKQP   +PRWV (TGSWGPE[ M*\ Figure 15-2: Phase response of an approximate eight-pole Butterworth filter Note that the phase error is reasonably small up to the break frequency (1500 Hz). The phase match between any two ELHLS channels using this filter is exact.
  • Page 216 Somat eDAQ 6JGQTGVKECN (+4 #RRTQZKOCVKQP 5CORNG 0WODGT Figure 15-3: Unit step response of an eight-pole Butterworth filter approximated by a 35-coefficient FIR filter. The unit step response closely resembles that of an analog Butterworth filter. Linear-Phase Filter The linear phase filter is designed using the well-known Remez algorithm. This filter provides a much sharper attenuation curve than the corresponding curve for the Butterworth filter.
  • Page 217 Somat eDAQ  F$   F$   +PRWV (TGSWGPE[ M*\ Figure 15-4: Frequency response of a typical equiripple, linear-phase FIR filter. The filter used for the frequency response is a 37-tap filter used twice to achieve 96 dB attenuation in the stop bands.
  • Page 218 Somat eDAQ  5CORNG 0WODGT Figure 15-5: Unit step response of a typical linear-phase filter achieved by using a 37-tap equiripple FIR filter twice Notice that the unit step response of the filter has less overshoot than that of the Butterworth filter.

  • Page 219: 16 Xth-Percentile Benchmark Tests

    Somat eDAQ 16 Xth-Percentile Benchmark Tests lite processing The following benchmark tests give an indication of the eDAQ limitations for the special case of using the Xth-percentile mode of the Statistical Analysis computed channel. The primary reason for this benchmark testing is that sorting large arrays can become very time consuming as the size of the arrays increase.
  • Page 220 Somat eDAQ Test Bridge Sample Rate Analysis Window Size Test 1 2000 Hz 20000 samples Test 2 2000 Hz 50000 samples Test 3 5000 Hz 20000 samples Test 4 5000 Hz 50000 samples lite can handle All of the tests were run for several minutes to determine if the eDAQ the processing load.

  • Page 221: 17 Data Processing Algorithms

    Somat eDAQ 17 Data Processing Algorithms 17.1 Peak Valley Processing Algorithm There are three states in the peak valley processing algorithm. The algorithm starts in the initialize state. Thereafter it toggles between the peak search and valley search states. These states are detailed as follows.
  • Page 222 Somat eDAQ HBM: public I2773-4.4 en...

  • Page 223: 18 Cable Resistances

    Somat eDAQ 18 Cable Resistances The following table lists measured resistances for a selection of Somat cables. Length Resistance Cable Order Number (Ohms) Transducer Cable 1-SAC-TRAN-MP-2-2 0.27 1-SAC-TRAN-MP-10-2 1.25 Extension Cable 1-SAC-EXT-MF-0.4-2 0.06 1-SAC-EXT-MF-2-2 0.23 1-SAC-EXT-MF-5-2 0.61 1-SAC-EXT-MF-10-2 1.20 1-SAC-EXT-MF-15-2 1.84...
  • Page 224 Somat eDAQ HBM: public I2773-4.4 en...

  • Page 225: 19 Ce Compliance

    Somat eDAQ 19 CE Compliance lite The following section provides important notes on the CE compliance of the eDAQ hardware and cables. 19.1 eDAQ lite Hardware CAUTION eDAQ lite systems are CE compliant with new hardware only. Do not remove any CE-labeled component or modify a CE-labeled component from its original condition.

  • Page 226: Cables

    Somat eDAQ 19.2 Cables CAUTION HBM cannot ensure the CE compliance of any cable that has been modified from its original condition. The following cables have been recently modified to be CE compliant. All other cables are also CE compliant.
  • Page 227 Somat eDAQ I2773-4.4 en HBM: public...
  • Page 228 Europe, Middle East and Africa HBM GmbH Im Tiefen See 45 64293 Darmstadt, Germany Tel: +49 6151 8030 • Email: info@hbm.com The Americas HBM, Inc. 19 Bartlett Street Marlboro, MA 01752, USA Tel: +1 800-578-4260 • Email: info@usa.hbm.com Asia-Pacific HBM China 106 Heng Shan Road Suzhou 215009 Jiangsu, China...

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