HSD High Speed Data Acquisition
Contents
1. illustrated below DT321 Board The analogue output to be data logged connect to the front panel of the terminal box using the 8 BNC connectors labelled INPUT1 INPUT 8 External trigger channel and encoder input connect to the back panel of the terminal box The External trigger channel connects to the BNC connector The signal connected to the external channel must be a TTL 0 5V signal The encoder input allows connection of a TTL encoder The pin layout of the connector is illustrated below ie 3 Pt a 4 O O 1 3 ka ff Pin 1 is connected to 5V output of the terminal box and can be used as a supply voltage for an encoder Pin 2 is the ground signal Pin 4 is connected to the external trigger input of the terminal box therefore channel A or Z of an encoder can be connected to this input to trigger an acquisition on encoder pulses Pin 4 is also link to the external trigger BNC connector therefore no signal must be connected to the external trigger BNC input when signal is connected to pin 4 of the encoder input Pin 5 is connected to Input 1 of the terminal box so either channel A or Z of an encoder can be connected to the analogue input to be data logged No signal should be connected to the Input 1 BNC connector on the front panel of the terminal box when a signal is connected to the pin 5 of the encoder input connector Operation Once the software has been successfully set up the main COMPEND window will be similar to th2. HSD High Speed Data Acquisition General Description The high speed data acquisition system consists of a DT321 PCI board and a terminal box The system allows acquisition with a resolution of 16 bits of 8 analogue inputs in the range of 10V at a frequency up to 250 kHz Installation The software for the DT321 board needs to be loaded on the computer by performing the following steps 1 Insert the Data Acquisition OMNI CD into your CD ROM drive If the Data Acquisition Software set up program starts automatically proceed to step 4 2 Click Start from the Task Bar then click Run The Run dialog box appears 3 In the Command Line edit box enter X LAUNCH EXE where X is the letter of your CD ROM drive Click Ok The Data Acquisition Software set up program starts 4 Click Install Products A list of software products that you can install appears 5 Click Device Drivers The DT Open Layers Data Acquisition software wizard appears 6 Click Next You are then prompted to provide the destination location 7 Change the directory path and or name using Browse or accept the default directory then click Next 8 You are prompted to select the software components to install 9 Select DT300 Series then click Next 10 You are prompted for the program folder name 11 Change the program folder name or accept the default program folder name then click Next 12 The files are copied to the destination directory 13 Click Finish Th
3. aterial from the board It is recommended that you save the original packing material in the unlikely event that your board requires servicing in the future 3 Hold the board by its edges and do not touch any of the components on the board 4 Position the board so that the cable connectors are facing the rear of the computer as shown os Rear of Computer DT300 Series Board PCI Expansion Slot Bus Connector 5 Carefully lower the board into the PCI expansion slot using the card guide to properly align the board in the slot CAUTION DO NOT FORCE THE BOARD INTO PLACE MOVING THE BOARD FROM SIDE TO SIDE DURING INSTALLATION MAY DAMAGE THE BUS CONNECTOR IF YOU ENCOUNTER RESISTANCE WHEN INSERTING THE BOARD REMOVE THE BOARD AND TRY AGAIN 6 When the bottom of the board contacts the bus connector gently press down on the board until it clicks into place 7 Secure the board in place at the rear panel of the system unit using the screw removed from the slot cover 8 Power up the computer If you installed the DT300 Series software as described above the DT300 Series device driver is automatically loaded If you have not installed the software ensure that you do so now Once you have installed the DT300 Series driver from the Data Acquisition OMNI CD installed a DT300 Series board and powered up the host computer the New Hardware Found dialog box appears Perform the following steps to load the device driver in Win
4. ayed the test records high speed data during Step 3 indicated by RUN in the HSD Start column To select the RUN command when editing the TSF right click on the empty cell and tick the RUN option and click on the Ok button Select Digital Output S Ed Dutput State C Of Onj RUN However in order to be able to record data the DTHSD unit must first be set up In this case this has been done in Step 1 Clicking on the Samples cell allows the user to set the desired number of samples in this case 10000 The number of channels is selected by clicking on the number of channels cell and entering the required value Finally clicking on the Frequency cell reveals a window containing the five available modes Select the required mode and click the Ok button Select High Speed Data Mode Ioj Xx Mode Number Int Tra Scan Int Paced Ext Trg Scan Ext RTg Ext Ta RATa No change Data are recorded into an ASCII file The file name is automatically generated and hyperlink created in the main COMPEND data file Advanced Set up By changing parameters in the COMPEND INI file parameters such as input range and calibration may be modified The INI file is read by COMPEND at start up thus any changes made to the INI file will only take effect when COMPEND is closed and restarted Changes to the INI file should only be performed with advice from Phoenix Tribology as they may affect the functioning of the machine Th
5. dows XP Click Next Click Search for a suitable driver for my device recommended Click Specify a location and click Next Browse to Windows System32 Drivers DT300 Inf then click Open Click Ok Click Next The files are copied Click Finish Open the Control Panel Double click the Open Layers Control Panel icon Select the DT300 Series board to configure then click Advanced By default the prompt Handles Overloaded Bus is checked When you are finished click Close SO SO OO Ge Roo me Finally the DT321 board needs to be set up in Control Panel to be able to communicate with COMPEND software 1 Open the windows Control Panel 2 Launch the Open Layers Control Panel The open layers control panel will be displayed on the screen 3 Left click on the board name to highlight it and click on Edit Name and change the name of the board to DT321 4 Click on Close 5 Close the Windows Control Panel Setting up COMPEND for High Speed Data Acquisition The systems is delivered with a COMPEND Installation CD To install the software perform the following steps 1 Insert the COMPEND CD into your CD ROM drive if the installation software set up program starts automatically proceed to step 5 2 Click Start from the Task Bar then click Run The Run dialog box appears 3 Inthe Command Line edit box enter X install setup EXE where X is the letter of your CD ROM drive proceed to step 8 4 Click O
6. e re check that the data in the INI file were correctly changed If the box is still not displayed or has the wrong background colour contact Phoenix Tribology for further assistance Once the COMPEND INI file has been successfully modified the configuration file needs to be set up to display the high speed control parameters 1 Start COMPEND 2 In the File menu select Edit Setup The Setup mode should then be active and the 40 boxes of the first page should be displayed on the screen 3 Using the Page Up or Page Down key find a page with 5 free boxes 26 27 28 29 Right click on the tile of the first box and select Properties The properties window appears on the screen with the general properties displayed Enter HSD Channels in the Description field set the Units field blank then left click on the grey box opposite Box Colour and select the red colour and then click on Ok Click on In Use Click on the Connection tab The connection properties are then displayed on the screen On the left part of the window display scroll down and select DTHSD 1 then on the right part of the window select Channels as illustrated then click on Apply Then click on the Calibration tab The calibration properties will then be displayed on the screen ij Channel 30 Properties xi General Connection Cahbration Analog Ouiput Digital In Out Default Aliris Marna Channel D nyed Channel On the calibration window enter 0 in Unit
7. e DT Data Acquisition Software set up program reappears 14 Click Main Menu 15 Click Exit Once the software has been successfully loaded the DT321 board can be fitted inside the computer 1 To set up the computer perform the following steps 2 Turn off the computer 3 Turn off all peripherals printer modem monitor machine and control cabinet connected to the computer 4 Unplug the computer and all peripherals 5 Remove the cover from you computer Refer to your computer s user manual for instructions Once you have set up the computer set up an expansion slot by performing the following steps 1 Select a 32 bit or 64 bit PCI expansion slot PCI slots are shorter than ISA or EISA slots and are usually white or ivory Commonly three PCI slots one of which may be a shared ISA PCI slot are available If an ISA board exists in the shared slot you cannot use the slot for a PCI board If a PCI board exists in the shared slot you cannot use the slot for an ISA board 2 Remove the cover plate from the selected expansion slot Retain the screw that held it in place you will use it later to install the board Once you have set up an expansion slot perform the following steps to insert the DT300 Series board into the computer 1 Discharge any static electricity by holding the wrapped board in one hand while placing your other hand firmly on a metal portion of the computer chassis 2 Carefully remove the antistatic packing m
8. e one displayed below with DTHSD box displayed in the status bar with a green background and the five channels for Data Mode Frequency Samples Channels and Start displayed in the main window EE COMPEND 2000 Ver 2 07 TE77FR_HT Loix Fie Calibration TestSequence DataFile Graph Tools Arrange Help est stopped Force Input Specimen Temp Heater Block Temp 1 97 Volts 60 C 60 C m Total Cycles 0 HSD Channels HSD Frequency HSD Samples A 1 150 000 kHz 5000 HSD Mode HSD Start a a Int Paced If the DTHSD box in the status window is not present or the background colour is NOT green check that the INI file is set up correctly and that the board has been install successfully If the problem persists contact Phoenix Tribology for further assistance The box HSD Channels is used to specify the number of channels to data log Up to 8 channels can be recorded The box HSD Samples is used to set the number of data points to be taken for every burst of high speed data The box HSD Frequency is used to set the sample frequency depending on the HSD Mode used the frequency may be ignored when used with an external clock The box HSD Start is used to start the high speed acquisition The box HSD Mode is used to set the type of high speed data acquisition desired There are four different modes With Int Paced mode the high speed acquisition is triggered as soon as HSD Start channel is activated and the acquisition is re triggered a
9. e parameters affecting the High Speed Data Acquisition system are all displayed in the HSD_ADC group The Gain parameter can be set for each individual channel DT321 board provides gains of 1 2 4 and 8 and these can be set in the INI file Effective ranges are as follows GAIN INPUT RANGE 1 10V 2 5V 4 2 5V 8 1 25V For each channel choose the gain that has the smallest effective range for the signal you want to measure For example if the range of your analogue input 2 signal is 1 5 V specify a gain of 4 for the channel 2 by writing GAIN2 4 in the INI file the effective input range for this channel is then 2 5 V which provides the best sampling accuracy for that channel The calibration of each channel can also be modified The raw data collected are displayed automatically in volts in the data file The user must multiply these results for each individual channel by a factor entered in the CALX parameter where X is the number of the input for each channel An offset may also be applied by entering appropriate values in OFFSETX When data is acquired manually from the main COMPEND window the data is stored in a file located in the data directory of COMPENDX The name of the file is set by default to DTHSD This name is set in the parameter DEFAULT FILE in the INI file By default the board is set to accept differential inputs If single ended inputs are required set DIFFERENTIAL FALSE in t
10. he INI file High Speed Graph This is provided by a free standing application installed in the main COMPEND application directory It uses the same resources as COMPEND and is invoked from the Graph menu by selecting High Speed Graph Data Snapshot PHOENIX TRIBOLOGY Ltd HSGRAPH Ver 1 4 DEV DER File Scale Time 4 45 Speed 271 266 Friction 2 068 High speed data using 100 Hz Trigger Frequency 13 33 13 31 10 2005 100 2 m o oO gt ms Time secs The application polls the COMPEND data directory once a second and looks for the presence of high speed data files A copy of the latest high speed file is read analyzed and graphed A range menu is provided for adjusting the scaling of each data channel displayed The resulting graph is displayed on the screen and remains in view until updated by the next high speed data file The graph may be printed and updating is suspended during the printing process The graph is lost once updated but the original data is of course retained in the relevant high speed data file While the graph is being displayed placing the mouse over a given point will provide a reading of the sample time and the current data values This is activated from the High Speed Graph menu bar click on Results to activate data point values 102
11. ion field set the Units field to blank then left click on the grey box opposite Box Colour and select the red colour and then click on Ok Click on In Use Click on the Connection tab The connection properties are then displayed on the screen On the left part of the window displayed scroll down and select DTHSD 1 then on the right part of the window select Samples then click on Apply Then click on the Calibration tab The calibration properties will then be displayed on the screen On the calibration window enter 0 in Units Low and 1000000 in Units High then enter 0 in Bits Low and 1000000 in Bits High Then Click on the Analogue Output Tab The analogue output properties will then be displayed on the screen On the Analogue Output window set Increment to 100 and Default Value to 1000 then click on Ok Right click on the tile of the fourth box and select Properties The properties window appears on the screen with the general properties displayed Enter HSD Mode in the Description field set the Units field to blank then left click on the grey box opposite Box Colour and select the red colour and then click on Ok 4 30 Click on In Use 31 Click on the Connection tab The connection properties are then displayed on the screen 32 On the left part of the window displayed scroll down and select DTHSD 1 then on the right part of the window select Data Mode then click on Apply Then click on the Calibration tab The calibration p
12. k The Data Acquisition Software set up program starts In the web page displayed Click Install A window prompting if you want to save or run the program appears 6 Click Run A window appears telling that the publisher is unknown 7 Click Run The COMPEND installation window is displayed on the screen 8 Change the directory path and or name using Browse or accept the default directory then click Next You are prompted to start the installation of the software 9 Click Next 10 When the installation is successfully finished press the Finish button to quit the installation software Wr If the installation CD is not supplied or if an existing COMPEND configuration needs to be modified to accommodate a high speed acquisition system COMPEND can also be set up manually by doing the following Firstly the COMPENDX INI file has to be modified so that COMPEND detects the board at start up 1 Start COMPEND 2 In the Tools menu select System Files and click on INI File The COMPENDX INI file will then be displayed in the Windows Notepad 3 Using the mouse scroll down to GROUP 15 4 Enter the following parameters DEVICE_TYPE DTHSD NUM_DEVICES 1 NUM_ACTIVE 1 COM_PERIOD 100 COM_PORT 6 COM_SPEC BUSDEVICE In the File menu click on Save Close the Notepad 7 Close COMPEND an Next time COMPEND will open a box displaying DTHSD should be displayed in the COMPEND status bar This box should have a green background If this is not the cas
13. ogged increases Number of Channel Maximum Sampling Frequency 165 kHz 99 5 kHz 71 2 kHz 55 4 kHz 45 3 kHz 38 3 kHz 33 2 kHz 29 3 kHz SININ Rl WlNtRe The frequency of the external trigger signal must not exceed the maximum sampling frequency Once the Data logging is started the DTHSD box in the status bar changes colour from green to cyan while the acquisition is active and then from cyan to violet while the data is transferring from memory to the data file When the high speed acquisition is activated manually from the COMPEND main screen using the HSD Start box the data is stored in the file DTHSD tsv located in the subdirectory DATA of the COMPENDX directory Five more columns corresponding to the five set up boxes of DTHSD are displayed in the TSF ae ae ioe Terea Freque oe Motor aceri ey HSD HSD fiso i SP B Se heal hann Freque cue Mode f AB DISAB DI aE ae a Paced f a cee DISAB a a 3 i f i 0 D DISAB DISAB DISAB 0R a 5 RUN 4 5 0 10 0 0 0 DISAB DISAB DISAB OR OR OR OR 5 amp 0 10 0 D 0 DISAB DISAB DISAB OR OR OR OR 6 7 0 10 0 0 a DISAB DISAB DISAB OR 0R 0R OR J7 8 0 10 10 0 0 DISAB DISAB DISAB 0R OR OR OR 8 3 i0 10 0 0 10 DISAB DISAB DISAB OR OR 0R 0R 3 100 10 0 0 0 DISAB DISAB DISAB OR j OR j OR OR 10 Exit 10 10 0 0 0 DISAB DISAB DISAB OR OR OR OR In the example displ
14. roperties will then be displayed on the screen 33 On the calibration window enter 1 in Units Low and 4 in Units High then enter 1 in Bits Low and 4 in Bits High Then Click on the Analogue Output Tab The analogue output properties will then be displayed on the screen 34 On the Analogue Output window set Increment to 1 and Default Value to 1 then click on Ok 35 Right click on the tile of the fifth box and select Properties The properties window appears on the screen with the general properties displayed 36 Enter HSD Start in the Description field set the Units field to blank then left click on the grey box opposite Box Colour and select the red colour and then click on Ok 37 Click on In Use 38 Click on the Connection tab The connection properties are then displayed on the screen 39 On the left part of the window displayed scroll down and select DTHSD 1 then on the right part of the window scroll down and select Start then click on Apply Then click on the Digital In Out tab The Digital properties will then be displayed on the screen 40 On the digital properties window leave Off Text blank set ON Text to RUN and set Default State to 0 select Momentary Action then click on Ok Once the configuration file has been successfully modified the changes have to be saved by selecting in the File menu Save Setup Connections The terminal box connect to the J1 connector of the DT321 board with cable terminated by the 68 way D Type is
15. s Low and 8 in Units High then enter 0 in Bits Low and 8 in Bits High Then Click on the Analogue Output Tab The analogue output properties will then be displayed on the screen On the Analogue Output window set Increment to 1 and Default Value to 1 then click on Ok Right click on the tile of the second box and select Properties The properties window appears on the screen with the general properties displayed Enter HSD Frequency in the Description field set the Units field to kHz then left click on the grey box opposite Box Colour and select the red colour and then click on Ok Click on In Use Click on the Connection tab The connection properties are then displayed on the screen On the left part of the window displayed scroll down and select DTHSD 1 then on the right part of the window select Frequency then click Apply Then click on the Calibration tab The calibration properties will then be displayed on the screen On the calibration window enter 0 in Units Low and 250 in Units High then enter 0 in Bits Low and 250 in Bits High Then Click on the Analogue Output Tab The analogue output properties will then be displayed on the screen On the Analogue Output window set Increment to 1 and Default Value to 1 then click on Ok Right click on the tile of the third box and select Properties The properties window appears on the screen with the general properties displayed Enter HSD Samples in the Descript
16. t the frequency set in HSD Frequency The maximum sampling rate achievable is 250 kHz for 1 channel the maximum sampling rate will decrease as the numbers of channel data log increases Number of Channel Maximum Sampling Frequency 250 kHz 125 kHz 83 3 kHz 62 5 kHz 50 kHz 41 6 kHz 35 7 kHz 31 25 kHz CON DA MN BY WI NM Ext Trig Scan is identical to Int Paced except that the acquisition will not be triggered as soon as the HSD Start channel is activated The acquisition will be triggered as soon as an external trigger signal is detected This external signal can be connected to the back of the connection cabinet either on the External Trigger BNC connector or the encoder input on the 5 way DIN socket This signal must be TTL type and will trigger the acquisition on a rising edge With Ext Retrig the acquisition is triggered by the HSD Start channel and the frequency set in HSD Frequency is ignored Instead an external signal connected to either the external trigger connector or the encoder input is used as a sampling signal This signal must be TTL type and will trigger on a rising edge Ext Tg Rtg is similar to the Ext Retrig mode except that the acquisition is not triggered by the HSD Start Channel but by an external trigger channel When Ext Trig Scan Ext Retrig or Ext Tg Rtg mode are used the maximum sampling frequency that can be used also decreases as the number of channels data l
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