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Bustec ProDAQ 3411, User Manual

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Bustec ProDAQ 3411 User Manual Download Page 6

3411-XX-UM 

ProDAQ 3411 24-Ch. ADC Function Card User Manual 

 

 

Page 6 of 40 

Copyright, 

 1998-2009 Bustec Production Ltd. 

Reference Documents 

 

Title 

Number 

ProDAQ 3120 Hardware Manual 

3120-XX-HM 

ProDAQ 3150 Hardware Manual 

3150-XX-HM 

 

 

 

Glossary 

 

ADC 

  Analog-to-Digital Converter 

OTD 

  Open Thermocouple Detection 

MB 

  Motherboard 

FC 

  Function Card 

 

   

 

   

 

   

 

   

 

   

 

   

 

   

 

   

 

   

 

   

 

   

 

   

 

   

 

   

 

   

 

   

 

   

 

   

 

   

 

   

 

   

 

Summary of Contents for ProDAQ 3411

Page 1: ...nhanced ADC Function Card PUBLICATION NUMBER 3411 XX UM 0100 Copyright 1998 2009 Bustec Production Ltd Bustec Production Ltd World Aviation Park Shannon Co Clare Ireland Tel 353 0 61 707100 FAX 353 0 61 707106 User Manual ...

Page 2: ...other than Bustec Production Ltd The information herein has been developed at private expense and may only be used for operation and maintenance reference purposes or for purposes of engineering evaluation and incorporation into technical specifications and other documents which specify procurement of products from Bustec Production Ltd This document is subject to change without further notificati...

Page 3: ...___ 19 4 2 The Soft Front Panel ___________________________________________________ 19 4 2 1 Configuration ______________________________________________________ 20 4 2 2 Data Acquisition ____________________________________________________ 21 4 2 3 The Graph Controls _________________________________________________ 22 5 Programming the ProDAQ 3411 ______________________________________23 5 1 Con...

Page 4: ...________________________________________ 35 A 1 9 PATA Register _____________________________________________________ 35 A 1 10 PATB Register ___________________________________________________ 36 A 1 11 GAIFIL Register __________________________________________________ 36 Appendix C Specifications ____________________________________________37 ...

Page 5: ...________________ 17 Figure 7 Function Card Selection ________________________________________________________ 19 Figure 8 ProDAQ 3411 Soft Front Panel User Interface_______________________________________ 20 Figure 9 Front End Configuration Dialog __________________________________________________ 20 Figure 10 Data Acquisition Configuration Dialog____________________________________________ 21 Fig...

Page 6: ...6 of 40 Copyright 1998 2009 Bustec Production Ltd Reference Documents Title Number ProDAQ 3120 Hardware Manual 3120 XX HM ProDAQ 3150 Hardware Manual 3150 XX HM Glossary ADC Analog to Digital Converter OTD Open Thermocouple Detection MB Motherboard FC Function Card ...

Page 7: ... filter settings to choose from A 16 bit Analog to Digital Converter sampling with 100 kHz converts the signal The result can be used directly or buffered in an on board FIFO for asynchronous operation For calibration the internal ground as well as the voltage reference bus from the ProDAQ motherboard can be included in the measurement as a 25 th and 26 th channel The ProDAQ 3411 function card is ...

Page 8: ...3411 XX UM ProDAQ 3411 24 Ch ADC Function Card User Manual Page 8 of 40 Copyright 1998 2009 Bustec Production Ltd ...

Page 9: ... part of your VXIbus chassis before removing the module from the package Remove the ProDAQ module from its carton preserving the factory packaging as much as possible Inspect the ProDAQ module for any defect or damage Immediately notify the carrier if any damage is apparent 2 2 Reshipment Instructions Use the original packing material when returning a ProDAQ module to Bustec Production Ltd or cali...

Page 10: ...er remove the one countersunk screw in the back and the two panhead screws towards the front panel that hold the cover in place Remove the cover by sliding it out of its position towards the VXIbus connectors and up Take special care about the hooks holding it into place Try not to lift the cover straight up See Figure 1 for the location of the screws To re install the cover slide it back into its...

Page 11: ...unction cards Choose the stack and position lower or upper where you want to mount the function card If the stack in which the function card should be installed is covered by a double filler panel you have to remove it before installing the function card Remove the three 2 5mm panhead screws and the crinkle washers from the stack s standoffs Fig 2 Pos 9 and 10 for example If you want to install a ...

Page 12: ...ight 1998 2009 Bustec Production Ltd 2 10 9 8 7 11 1 3 5 6 4 1 2 5mm Panhead Screws 2 2 5mm Panhead Screws 3 Module Handle 4 Ring 5 Mounting Angle 6 2 5mm Panhead Screws 7 Standoff 8 Spacer 9 Crinkle Washer 10 2 5mm Panhead Screw 11 2mm Spacer Figure 2 The ProDAQ Module Assembly ...

Page 13: ...l care when removing the function card s not to bend the motherboard connectors After removing the function card s install the correct combination of spacers on the standoffs If a stack is populated with only one function card each of the standoffs needs to be mounted with both spacers to cover the distance between the cards as well as the PCB thickness of the missing card If a stack is populated ...

Page 14: ...3411 XX UM ProDAQ 3411 24 Ch ADC Function Card User Manual Page 14 of 40 Copyright 1998 2009 Bustec Production Ltd ...

Page 15: ...ct gains of 1 10 100 and 1000 The filter stage can be switched to provide filter frequencies of 10Hz 100Hz and 1000Hz In addition a bypass setting allows to directly feed the signal into the ADC without filtering Remark Even with the filter stage switched to bypass the multiplexer and gain stage need a minimum settling time of 51 microseconds to allow the signal at the ADC input to be stable to wi...

Page 16: ...ective channel setting a bit to zero 0 disables the channel 3 3 2 Scanning When the data acquisition is started the control logic switches the input multiplexer to the first channel enabled in the channel mask waits for a specified time to allow the gain and filter stage to settle to this new signal level and starts the ADC to convert the signal The resulting data word is moved into the on board F...

Page 17: ...he start of the ADC conversion can be adjusted using the DELAY field in the DIVCLK register Figure 6 Multiple Channel Timing The internal clock for the scan rate timing is generated using a binary counter running at 312 5 kHz or 9 765 kHz This allows the sample rate to be programmed either in multiples of 3 2 µs or 102 4 µs resulting in frequencies of 10416 667 Hz down to 38 147 Hz The scan timing...

Page 18: ...s event For applications constantly acquiring data the usage of either the FIFO half full or the FIFO almost full flag is recommended During a scan no data is generated for channels not enabled in the data acquisition Therefore the number of scans fitting into the FIFO before any of the signals is generated depends on the number of channels enabled 3 4 Trigger The ProDAQ 3411 can receive trigger s...

Page 19: ... purpose of soft front panel application is to demonstrate the instrument s abilities After the start of the soft front panel application the user will be presented with a dialog box showing all available ProDAQ 3411 instruments in a system allowing the selection of one instrument to connect to see Figure 7 Function Card Selection The soft front panel is not designed to handle more then one instru...

Page 20: ...ontrols in the ProDAQ 3411 Front End Cfg dialog are equivalent to the function call bu3411_setFEconf as implemented by the driver see 5 2 Setting Gain and Filter Figure 9 Front End Configuration Dialog In addation the button Calibrate allows you to start the calibration of the ProDAQ 3411 as implemented by the driver function bu3411_calibrate The button DAQ opens the ProDAQ 3411 SFP DAQ Configurat...

Page 21: ... the source for the scan clock Input Trigger and to adjust the acquisition timing 4 2 2 Data Acquisition The data acquisition is started by selecting the button Start in the DAQ Control field The soft front panel will use the function bu3411_acquireWaveforms with the parameter defined in the DAQ configuration dialog to acquire waveforms for the selected channels and displays them Figure 11 Data Di...

Page 22: ...rol Description Switches the X scale of the display to autoscale mode Switches the Y scale of the display to autoscale mode Displays a pull down menu allow to select the format and precision of the labels on the X scale Displays a pull down menu allow to select the format and precision of the labels on the Y scale Displays a pull down menu allowing to enable interactive zoom either in horizontal o...

Page 23: ...as an argument the session established via the function bu3411_init the function card number and a boolean value specifying whether to reset the selected function card see Figure 12 Figure 12 Opening a Session For your convenience the driver contains a new function called bu3411_paramInit which combines the functionality of the bu3411_init and bu3411_fcSelect functions by extending the argument li...

Page 24: ...hould be used see Figure 13 5 3 Acquiring single Samples The VXIplug play driver for the ProDAQ 3411 24 Ch ADC function card provides two functions for acquiring single samples from the inputs For acquiring a sample from a single channel the function bu3411_sampleChannel is used It takes a channel number and returns the measured value in volts The function bu3411_sampleChannels can be used to acqu...

Page 25: ...annel a sample rate and an output array used to store the waveform s Figure 14 Acquiring a Waveform The function bu3411_acquireWaveforms has an additional argument specifying the arrangement of the data in the output array The ADC is performing scans by switching the input multiplexer to each channel with the speed defined by the given sample rate So the arrangement of the data as read from the on...

Page 26: ... data The timing for this asynchronous read out depends on the amount of data in the FIFO The driver function bu3411_startAcquisition can be used to configure the card for scanning and starting the acquisition The parameter channelMask defines which channels should be enabled for scanning The parameter inputTriggerSource selects the source for the scan clock If the internal clock is chosen the par...

Page 27: ..._acquireWaveform and bu3411_acquireWaveforms It also returns the actual number of scans read and the number of scans still in the on board FIFO See the example AsynchAcquisition coming with the driver for a complete example how to use these functions 5 6 Calibration The driver provides the function bu3411_calibrate to calibrate the ADC using the on board ground reference and the motherboard voltag...

Page 28: ...3411 XX UM ProDAQ 3411 24 Ch ADC Function Card User Manual Page 28 of 40 Copyright 1998 2009 Bustec Production Ltd ...

Page 29: ...llowing pin out Signal Pin Signal Trigger out 1 26 Trigger in CH24 2 27 CH24 CH23 3 28 CH23 CH22 4 29 CH22 CH21 5 30 CH21 CH20 6 31 CH20 CH19 7 32 CH19 CH18 8 33 CH18 CH17 9 34 CH17 CH16 10 35 CH16 CH15 11 36 CH15 CH14 12 37 CH14 CH13 13 38 CH13 CH12 14 39 CH12 CH11 15 40 CH11 CH10 16 41 CH10 CH9 17 42 CH9 CH8 18 43 CH8 CH7 19 44 CH7 CH6 20 45 CH6 CH5 21 46 CH5 CH4 22 47 CH4 CH3 23 48 CH3 CH2 24 4...

Page 30: ...3411 XX UM ProDAQ 3411 24 Ch ADC Function Card User Manual Page 30 of 40 Copyright 1998 2009 Bustec Production Ltd ...

Page 31: ...ID register for automatic board identification 1 4 Not used 2 8 GCSR RWC General control and status register 3 C FCLEN RO Size of installed FIFO 2048 or 16384 kWords 4 10 Not used 5 14 OTRI RW Output trigger control 6 18 ITRI RW Input trigger control 7 1C DIVCLK RW Clock divider for use in the stand alone mode 8 20 MODE RW Operation mode register 9 24 REPCOUNT RW Repetition Counter A 28 RW Not use...

Page 32: ... has stopped START Writing a one 1 to this bit starts the data acquisition The bit is automatically cleared when the data acquisition is finished or has been stopped ENA Enables the data acquisition TRG_START Enables the data acquisition to react on the trigger selected by the ITRI register SINGLE Writing a one 1 to this bit will start the data acquisition for one scan only FIFO_FF A one 1 indicat...

Page 33: ...ce ADCconv A one 1 enables the start of the conversion to generate a signal DAQstart A one 1 enables the start of the acquisition to generate a signal iSel A one 1 enables the internal trigger selector DivC A one 1 enables the system clock divider as the trigger source MBT A one 1 enables the trigger from the motherboard SWT software trigger OMB A one 1 enables the trigger output to the motherboar...

Page 34: ...utput to the front panel POL Sets the polarity of the output A 1 6 DIVCLK Register This register holds the divider value for deriving the sample clock from the internal clock source Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Operation RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW Initial 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Content DIVCLK DELAY DELAY defines the time between the input multiplexer swit...

Page 35: ...bles the data acquisition in continuous mode ADAI Enables the data acquisition to run infinitive Otherwise it will stop after the number of scans programmed in the REPCOUNT register FIDD Disable the FIFO drop mode enabled by default FIDC enable FIFO clock A 1 8 REPCOUNT Register This register holds the repetition counter for the data acquisition Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Operation ...

Page 36: ...X X X X X X 0 0 0 0 0 0 0 0 0 0 Content not used VREF GND CH24 CH23 CH22 CH21 CH20 CH19 CH18 CH17 A 1 11 GAIFIL Register Holds the settings for gain filter and open thermocouple detection Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Operation RW RW RW RW RW RW RW RW Initial X X X X X X X X 0 0 0 0 0 0 0 0 Content not used OTD F2 F1 F0 G3 G2 G1 G0 G3 G1 Gain selection G3 G2 G1 G0 Gain 0 0 0 0 1 0 0 0 ...

Page 37: ...ibrated 0 02 calibrated using ProDAQ 3201 Note measured at 25 C 1 C Settling Time minimum 51µs to 0 01 Input Impedance 10M 25 pF Input Protection max 35V Input Coupling DC Input Offset Voltage 1 mV typ Gain 1 5 mV max Gain1 CMRR 110 dB 1kHz typ 80 dB 1 kHz min Thermal Drift 1 LSB 10 C Noise 1µV RMS Gain 1000 Filter 10 Hz FIFO 2 kWord AA or 16 kWord AB Trigger Input Motherboard or Front Panel Trigg...

Page 38: ...Ch ADC Function Card User Manual Page 38 of 40 Copyright 1998 2009 Bustec Production Ltd Operating Temperature 0 C to 50 C Storage Temperature 40 C to 70 C Warm up Time 30 min MTBF 121980 Hrs Software Support VXIplug play Driver ...

Page 39: ...ProDAQ 3411 24 Ch ADC Function Card User Manual 3411 XX UM Copyright 1998 2009 Bustec Production Ltd Page 39 of 40 ...

Page 40: ...tec Production Ltd World Aviation Park Shannon Co Clare Ireland Tel 353 0 61 707100 FAX 353 0 61 707106 Bustec Inc 17820 Englewood Dr 14 Middleburg Hts OH 44130 U S A Tel 1 440 826 4156 Fax 1 440 826 4184 ...

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