"user manual"
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1. RO RW ko FCCSR RWC WO General control and status pes tas w rororo pve 5 test Rw Testiterace win VXIbus e sow rw _ setchannasiorFFO scan Ca o rew iw laaa cona e Frosts no Number ot samples n FIFO memoy a o Frome wo sariro ennenen Cso ro resus ro fse ooo Pore re Fosen Ro upper ERS ot soral number o FF Fosen Ro Lower t te sane All registers are 16 bit wide Copyright 2007 2008 Bustec Production Ltd Page 27 of 46 3511 XX UM ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual A2 Detailed Register Description A 1 1 FCID Register The function card ID register contains a unique number used to identify the card Operation se a Initial Content Function Card ID 0x3511 A 1 2 FCVER This register contains the PCB version number and the FPGA version number Bit 15 4 3 2 io 9 e 7i e s 4 32 0 Operation Initial Major Minor Content l FPGA version PCB version A 1 3 FCCSR Function card control and status register Initial Zii Not Used UpdateChannel Sian Filter Value MainDACReset Resets the function card to a known status After reset all outputs are switched to ground via the output relays Content FIFOEmptyError FIFOFullError Simultaneous MainDACBusy MainDACReset nn O c UU lS D 5 CT O nn LL Write 0 no effect 1 reset Read 0 reset is fin2. No effect Read 0 FIFO less than half full 1 FIFO half full The bit indicates that the FIFO is full Write No effect Read 0 FIFO not full 1 FIFO full The remaining 2 most significant bits of the 18 bit FIFO_TRG register Write Selects FIFO threshold Read No effect The remaining 2 most significant bits of the 18 bit FIFO_STATUS register Write No effect Read Amount of samples stored in FIFO memory Copyright 2007 2008 Bustec Production Ltd Page 37 of 46 3511 XX UM ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual A 1 12 FIFO_TRG Selects the threshold at which the FIFO level generates a trigger nr Content E Ti FIFOTrg This register selects a threshold below which a trigger is generated Setting the FIFOTrigEn bit in the TRIG register can activate the trigger Write Selects FIFO threshold less significant 16 of total 18 bits Read No effect A 1 13 MAIN_DAC These eight registers allow setting the output DACs directly Content DACValue ne DACValue Value to be sent to the corresponding DAC Write Sixteen bits DAC value range 0 65535 Read No effect Note Before issuing new MAIN DAC value poll the status of the bit MainDACBusy in FCCSR register Note The registers are not accessible if Generation bit in FCCSR register is set Table 2 9 2 13 Output Voltage Versus Input Code Input Code Unipolar Configuration Bipolar Configu
3. 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM Read Returns previously written value A 1 9 FREQ Sets the update rate of DAC outputs uj wm o s 7 el s 4 3 24 0 Operation RW RW RW RW RW RW RW Initial 0 0 0 0 0 0 0 FPClockEdg FPCIKOUtEn FreqSource O Content FreqValue FreqValue Selects one of the following update rates for DAC outputs in generation mode range 0 101 Write 100 kHz 50 kHz 20 kHz 10 kHz kHz 2 kHz 1 kHz 500 Hz 200 Hz 100 Hz J O O1 BR D D 1 Sz oO 1 Read No effect Note the update rate is common for all DAC channels FreqSource The bit selects the clock source for a generation process Write 0 clock generated onboard frequency set by FreqValue 1 clock incoming from the front panel connection Read Returns previously written value Note If the clock source from front panel is out of range too fast then the card generates an error and sets the FrequencyError bit in FCCSR register Note It is possible to select the polarity of the incoming clock from the front panel by setting the FPClockEage bit Copyright 2007 2008 Bustec Production Ltd Page 35 of 46 3511 XX UM ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual FPClkOutEn The bit allows the on board clock to be connected to the front panel Write 0 disconnects clock default 1 connects clock Read Returns previously wr
4. Figure 4 ProDAQ 3511 Block Diagram Figure 5 Trigger Routing Scheme Figure 6 ProDAQ 3511 Soft Front Panel Application Figure 7 Write Channel Page Figure 8 Opening a Session Figure 9 Using Direct Write to Channels Figure 10 Limited Waveform Generation Figure 11 Continuous Waveform Generation with Polling 3511 XX UM 10 12 15 17 19 20 21 22 24 25 Copyright 2007 2008 Bustec Production Ltd Page 5 of 46 3511 XX UM ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual Reference Documents Te T Number O ProDAQ 3120 Hardware Manual 3120 XX HM ProDAQ 3150 Hardware Manual 3150 XX HM ProDAQ 3180 Hardware Manual 3180 XX HM Glossary DAC FIFO Sample Motherboard Digital to Analog Converter First in First out Memory 16 bit number representing an analog value ProDAQ Motherboard or Carrier featuring function card slots to install ProDAQ function cards in Page 6 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM 1 Introduction The ProDAQ 3511 8 Ch 200 kS s DAC Function Card provides eight independent DAC channels per card Each channel is equipped with its own 16 bit DAC gain offset correction filter and output buffer The output of each channel can be updated with up to 200 kSamples per second either direct or from an on board FIFO The on board FIFO has a depth of 256 kSamples A trigger signal an
5. accesses to the registers are first stored in the function card controller Upon accessing a certain channel which can be selected upfront the controller updates all channels simultaneously 3 3 Waveform Generation To generate a waveform the FIFO can be used to store data to update the channels automatically by the on board controller Eleven update rates between 100 Hz and 200 kHz can be chosen 100Hz 200Hz 500HzZ 50KHz 100 kHz 200 kHz The update rate is common to all channels During the waveform generation the application can re fill the FIFO to generate a continuous waveform To do so either it can poll the number of samples left in the FIFO or it can react on a trigger signal and or interrupt which can be generated if the number of samples in the FIFO has fallen below a programmed level During waveform generation no direct write operation to a channel can be performed Waveform generation can be started either direct on a software command write to a register or can be armed to start after detecting a trigger 3 4 Trigger The ProDAQ 3511 can receive trigger signals via the function card trigger input from the motherboard MB Trigger Input or from the trigger input on the front panel connector FP Trigger Input A received trigger can be used to start the generation of a continuous waveform Generation Trigger In addition such a trigger can be generated by software SoftTrig The trigger signal rece
6. channel 1 and 3 if status bu3511 generateWaveforms session 0x05 1000 bu3511 CLK INTERNAL 50KHZ bu3511 FILT 20KHZ bu3511 GROUP BY CHANNEL data lt VI SUCCESS Figure 10 Limited Waveform Generation Page 24 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM 5 3 2 Continuous Waveform Generation To generate a continuous waveform the FIFO must be refilled during the generation To allow this the driver features a set of functions which allow the application to react on the remaining amount of data in the FIFO either by polling a status or by receiving an interrupt Figure 11 shows an example of continuous waveform generation using polling First the data array is filled with two waveforms each with a length of 100000 samples Both waveforms are sine waves one with an amplitude of 2 volts no offset the other one with an amplitude of 1V and an offset of 1V The data is sorted by scans see Figure 11 ViSession session Viint32 i 1 fifo status nsamples ViReal64 data 256 1024 LE Las E Fill the array with waveform data for two channels sorted by scan k 1 lt 100000 1 2 0 PI 1 100 2 0 PI 1 100 0 channel 1 0 channel 3 sin a O s datali Sain d dg Write the data into the FIFO and start waveform generation on channels 1 amp 3 if status bu3511 startContWaveform se
7. the driver files in the directory tree defined by the VXIPNPPATH environment variable and the shortcuts into the VXIPNP program group of the start menu To choose a different path and or custom installation options is not recommended and may result in malfunctioning of the soft front panel and any application trying to use the driver 4 2 The Soft Front Panel The 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 3511 instruments in a system allowing the selection of one instrument to connect to The soft front panel is not designed to handle more then one instrument at a time If there is only one instrument available the dialog box will not appear and the soft front panel application will automatically establish the communication to this instrument If no ProDAQ 3511 is available in your system the soft front panel application can be run in demo mode allowing to operate all controls as if connected to a function card a ProDAQ 3511 Soft Front Panel ro ie ProDAQ 3511 300 8 Ch DAC FC bustec Waveform Generation Write Channel Chi ch2 chs cha ch5 che ch p Select Channel JV Channel 1 3 ES ui ial AI T Channel 2 T Channel 3 Amplitude 10 00 2 Offset ooo T Channel 4 T Channel5 m Common Settings T Channel 6 T Channel 7 DAC Update F
8. 256 kS lL 16bit DAC Filter Buffer gt __ Ch7 16bit DAC Filter Buffer gt __ Ch8 ProDAQ Bus Trig Out Trig In Clock Out Clock In Figure 4 ProDAQ 3511 Block Diagram The per channel filter is a programmable two pole Sallen and Key Bessel filter The cut off frequencies can be programmed to be 200 Hz 2 kHz 20 kHz or bypass The cut off frequency Copyright 2007 2008 Bustec Production Ltd Page 15 of 46 3511 XX UM ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual setting is common to all channels Each channel is equipped with a reed relay directly at the output which allows to switch the output pin on the connector between the output of the buffer and ground to disconnect the output and provide a defined level for equipment connected to the output pin The gain and offset correction for each channel individually is done in hardware by two 10 bit DACs per channel The calibration data gain and offset correction coefficients is stored in an on board EEPROM when the card is calibrated in the factory and applied at start up 3 2 Direct Write to Channel Each of the eight DACs can be addressed individually via a register in the function card s address space Two update modes are available sequential and simultaneous If the sequential update mode is selected a write access to each one of the registers updates the corresponding DACs setting immediately In simultaneous mode all write
9. Ch 200 kS s DAC Function Card User Manual ViSession session ViInti6 ty 1 7 ViReal64 data 2000 peer mss Create ten periods sine wave in the buffer Each period has a length of 100 samples and the sine wave will have an amplitude of 2V Lo for i 0 i lt 1000 i data i 2 0 sin 2 0 PI i 100 Write the data into the FIFO and start waveform generation on channel 1 if status bu3511 generateWaveform session bu3511 CHAN 1 1000 bu3511 CLK INTERNAL 20KHZ bu3511 FILT 2KHZ data lt VI SUCCESS bu3511 error message rm session status descr printf Error bu3511 generateWaveform failed due to s n descr return 1 wait for the first waveform generation to finish do if bu3511 getStatus session fifo status NULL lt VI SUCCESS PX aas KY while fifo status bu3511 FIFO EMPTY stop the generation if status bu3511 stopWaveformGeneration session lt VI SUCCESS R mas EA Create in addition a square wave with an amplitude of 2 5V To generate a waveform on multiple channels all data sets must have the same length XI for i 1000 i lt 2000 for 5 2 02 J lt 507 aa data it 2 5 for 3 07 J lt 507 itt data i 2 5 NS FF F OF Now we have data for two channels in the array sorted by channel data chl data ch3 Write the data into the FIFO and start waveform generation on
10. Inspection The ProDAQ module is shipped in an antistatic package to prevent any damage from electrostatic discharge ESD Proper ESD handling procedures must always be used when packing unpacking or installing any ProDAQ module ProDAQ plug in module or ProDAQ function card Ground yourself via a grounding strap or similar e g by holding to a grounded object Discharge the package by touching it to a grounded object e g a metal part of your VXlbus 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 calibration or servicing The original shipping carton and the instrument s plastic foam will provide the necessary support for safe reshipment If the original anti static packing material is unavailable wrap the ProDAQ module in anti static plastic sheeting and use plastic spray foam to surround and protect the instrument Reship in either the original or a new shipping carton Copyright 2007 2008 Bustec Production Ltd Page 9 of 46 3511 XX UM ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 2 3 Preparing the ProDAQ Module To install a ProDAQ Function Card into one of the ProDAQ M
11. Q Function Card 11 2 5 Removing a ProDAQ Function Card 13 3 Theory of Operation 15 3 1 General Description 15 3 2 Direct Write to Channel 16 3 3 Waveform Generation 16 3 4 Trigger 16 4 The VXlplug amp play Driver 19 4 1 Installation 19 4 2 The Soft Front Panel 19 4 2 1 Waveform Generation 20 4 2 2 Direct Write to Channel 20 5 Programming the ProDAQ 3511 21 5 1 Connecting to the Function Card 21 5 2 Using Direct Write to Channels 22 5 3 Waveform Generation 23 5 3 1 Limited Waveform Generation 23 5 3 2 Continuous Waveform Generation 25 Appendix A Register Description 27 A 1 Address Map 27 A2 Detailed Register Description 28 A 1 1 FCID Register 28 A 1 2 FCVER 28 A 1 3 FCCSR 28 A4 TRIG 31 A 1 5 TEST 33 A 1 6 CALIB DAC 33 A 1 7 SCAN 34 A 1 8 RELAY 34 A 1 9 FREQ 35 A 1 10 FIFO_STATUS 36 A 1 11 FIFO CTRL 36 A 1 12 FIFO_TRG 38 A 1 13 MAIN DAC 38 A 1 14 EE DATA 39 A 1 15 EE CTRL 39 A 1 16 FCSUB 39 Copyright 2007 2008 Bustec Production Ltd Page 3 of 46 3511 XX UM ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual A 1 17 FCSERH 39 A 1 18 FCSERL 39 A 1 19 FIFO 40 Appendix B Front Panel Connector 41 Appendix C Specifications 43 Page 4 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual Table of figures Figure 1 ProDAQ 3511 Function Card Figure 2 Removing the ProDAQ Module Cover Figure 3 The ProDAQ Module Assembly
12. USER MANUAL ProDAQ Data Acquisition Function Cards ProDAQ 3511 8 Channel 200 kS s 16 Bit DAC Function Card PUBLICATION NUMBER 3511 XX UM 0102 bustec Copyright 2014 Bustec Production Ltd Bustec Production Ltd Bustec House Shannon Business Park Shannon Co Clare Ireland Tel 353 0 61 707100 FAX 353 0 61 707106 PROPRIETARY NOTICE This document and the technical data herein disclosed are proprietary to Bustec Production Ltd and shall not without express written permission of Bustec Production Ltd be used in whole or in part to solicit quotations from a competitive source or used for manufacture by anyone 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 notification Bustec Production Ltd reserves the right to change both the hardware and software described herein ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM Table of Contents 1 Introduction 7 2 Installation 9 2 1 Unpacking and Inspection 9 2 2 Reshipment Instructions 9 2 3 Preparing the ProDAQ Module 10 2 4 Installing a ProDA
13. ay down Fix the function card by mounting the three 2 5mm pan head screws and the crinkle washers onto each standoff If you install a function card in the lower position of a stack you need first to mount both spacers Fig 2 Pos 11 onto each standoff Re mount the modules front panel If there is only one function card mounted in a stack cover the remaining opening in the front panel by a single filler panel Re mount the modules top cover Copyright 2007 2008 Bustec Production Ltd Page 11 of 46 3511 XX UM ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 1 2 5mm Pan head Screws 2 2 5mm Panhead Screws 3 Module Handle 4 Ring 5 Mounting Angle 6 2 5mm Pan head Screws 7 Standoff 8 Spacer 9 Crinkle Washer 10 2 5mm Pan head Screw 11 2mm Spacer Figure 3 The ProDAQ Module Assembly Page 12 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM 2 5 Removing a ProDAQ Function Card Removing a ProDAQ Function Card is exactly the reverse operation then installing it After removing the top cover and the front panel as described previously remove the three roundhead screws that fix the function card s on the standoffs Take special care when removing the function card s not to bend the motherboard connectors After removing the function card s install the correct
14. 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 with two function cards only the bigger spacer must be mounted Fix any remaining function card again by mounting the three pan head screws on the standoffs re mount the front panel and the modules cover Copyright 2007 2008 Bustec Production Ltd Page 13 of 46 3511 XX UM ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual Page 14 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM 3 Theory of Operation 3 1 General Description The ProDAQ 3511 8 Ch 200 kS s DAC Function Card provides eight independent DAC channels per card Each channel is equipped with its own 16 bit DAC gain offset correction filter and output buffer The output levels of the DACs can be either set directly under program control or automatically updated from an on board FIFO 8CH DAC Offset Cal 8CH DAC Gain Cal m 16bit DAC Filter Buffer 66 Chi 16bit DAC Filter Buffer 66 Ch 2 __ 16bit DAC Filter Buffer 66 Ch3 EEPROM Cal Data Function Card Controller TT Taan bac gt ___ Ch 4 16bit DAC Filter Buffer gt __ Ch5 FIFO 16bit DAC Filter Buffer gt Ch 6
15. cription of the address string used After initializing the driver and connecting to the motherboard the driver must be told which one of the eight possible function cards on a ProDAQ motherboard to work with This is done by the function bu3511_fcSelect It takes as an argument the session established via the function bu3511_init the function card number and a boolean value specifying whether to reset the selected function card see Figure 8 include lt visa h gt include lt bu3511 h gt main int argc char argv ViStatus status ViSession session ViChar descr 256 O if status bu3511 init VXI0 2 INSTR VI TRUE VI TRUE amp session VI SUCCESS viStatusDesc rm session status descr printf Error bu3511 init failed due to s n descr return 1 status bu3511 fcSelect session 1 VI_TRUE VI_SUCCESS viStatusDesc instr session status descr printf Error bu3511 fcSelect failed due to s n descr return 1 OR status bu3511 paramInit VX10 2 INSTR 1 VI TRUE VI TRUE amp session VI SUCCESS viStatusDesc rm_session status descr printf Error bu3511_paramInit failed due to s n descr return 1 SAR Figure 8 Opening a Session For your convenience the driver contains a new function called bu3511_paramInit which combines the functionality of the bu3511_init and bu3511_fcSelect functions by extend
16. d or interrupt can be generated if the number of samples has fallen below a programmed level In this way the application can refill the FIFO maintaining an continuous output signal There are six different standard versions of the ProDAQ 3511 function card available with output ranges of 0 to 5V 0 to 10V 0 to 20V 5V 10V or 20 Volt Other output ranges are available on request All outputs are short circuit protected and can be disconnected and grounded individually via software command The per channel filter is a programmable two pole Sallen and Key Bessel filter The cut off frequencies are 200 Hz 2 kHz 20 kHz and bypass The cut off frequency setting is common to all channels The gain and offset correction is done in hardware by using two 10 bit DACs per channel The card is factory calibrated The gain and offset correction coefficients are stored in an on board EEPROM and applied at start up The ProDAQ 3511 function card is one of a range of function cards designed to provide full functionality when installed in one of the range of ProDAQ motherboard modules such as the ProDAQ 3120 Figure 1 ProDAQ 3511 Function Card Copyright 2007 2008 Bustec Production Ltd Page 7 of 46 3511 XX UM ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual Page 8 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM 2 Installation 2 1 Unpacking and
17. ect which channel to calibrate Write Channel address range 0 71 Read No effect GainSelect Select between gain and offset Write 0 calibrate offset 1 calibrate gain Read No effect Copyright 2007 2008 Bustec Production Ltd Page 33 of 46 3511 XX UM ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual CalibDACBusy This bit indicates the status of the shift register to the calibration DAC Write No effect Read 0 board ready to accept next CALIB DAC setting 1 board busy and writing to CALIB DAC register will be ignored A 1 7 SCAN Defines which channels take part in update from FIFO Initial ScanCho 7 These bits select particular channels for acquisition involving FIFO Write 0 disables channel 1 enables channel Read Returns previously written value Note order is always from lower to higher number of channel therefore OxO0AA binary 1010 1010 means that four 4 channels take part in the generation process and the data in the FIFO is stored in following order Ch1 Ch3 Ch5 Ch7 Ch1 Ch3 Ch5 A 1 8 RELAY Controls which channels are connected to the front panel connector Initial RelayCh2 RelayCh1 Content Not used PRONE RelayChO 7 These bits connects the channel outputs to the FP connector Write 0 disconnects channel output default 1 connects channel output Page 34 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511
18. have been fallen below the threshold This trigger can be routed via the motherboard trigger routing facilities onto the VXlbus trigger lines or it can be used to generate an interrupt Both trigger and or interrupts events can then be used by the event handling functions of the VISA library either to wait for this event or to asynchronously call a callback function For your convenience the function bu3511_startContWaveformEx is provided in the driver which accepts as an additional parameter the address of a callback function to be called when the FIFO threshold is reached The function applies the necessary configuration and installs the event handler In the callback function simply the next part of the waveform data needs to be written to the FIFO See the example GenerateWaveformContEx c coming with the driver Page 26 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM Appendix A Register Description A 1 Address Map All addresses are given in a hexadecimal notation FC Address specifies the address in the internal function card address space of the motherboard VXI Offset is the offset to be used when accessing this register directly via the function card space mapped into the VXI memory space of the motherboard VXI Offset FC Address Name Access Function ee ee FCID RO ID for automatic board identification 4 1 FOVER RO Versionnumbers
19. i o e 7 6 s 4 3ai2ii o Operation RW RW RW RW RW RW RW Initial 0 0 0 0 0 0 0 Cc Cc ol S I eel a Se D D Q D Content CC Not used L D D z m a L O G O HEE eo E GE a 2 I SoftTrig Software trigger Write 0 de asserts trigger 1 asserts trigger Read 0 trigger not active 1 trigger asserted FPTrigOutEn Controls the front panel trigger output Write 0 disables output 1 enables output Read 0 output disabled 1 output enabled FPTrigInEn Controls the front panel trigger input Write 0 disables input 1 enables input Read 0 input disabled 1 input enabled MBTrigOutEn Controls the trigger output to the motherboard Write 0 disables output 1 enables output Read 0 output disabled 1 output enabled MBTriginEn Controls the trigger input from the motherboard Copyright 2007 2008 Bustec Production Ltd Page 31 of 46 3511 XX UM GenTrigEn FIFOTrigEn FPTrigOut FPTrigin MBTrigIn ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual Write 0 disables input 1 enables input Read 0 input disabled 1 input enabled Controls the trigger starting a generation process Used to synchronise generation on multiple cards Write 0 disables trigger 1 enables trigger Read 0 trigger disabled 1 trigger enabled Note If GenTrigEn bit is set then a generation pr
20. ing the argument list of the standard initialization function with a parameter specifying the function card number see Figure 8 9 Copyright 2007 2008 Bustec Production Ltd Page 21 of 46 3511 XX UM ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual For the driver functions to work properly you will either have to use the function bu3511_paramInit to open a session with the device or you will have to call the function bu3511_fcSelect after calling the function bu3511_init and before any other driver function is called To close a session with the ProDAQ 3511 function card the standard VXIplug amp play function bu3511_close must be used 5 2 Using Direct Write to Channels The VXIplug amp play driver for the ProDAQ 3511 function card provides two functions for the direct write access to the eight channels bu3511_writeChannel and bu3511_writeChannels The function bu3511_writeChannel allows you to update a single channel see Figure 9 while the function bu3511_writeChannels updates multiple channel simultaneously see Figure 9 The channels to update are defined via a channel mask an integer value where the lower 8 bits correspond to the 8 channels available on the 3511 Each of these bits set to 1 will include the channel in the update The data array passed to the function must always have a size of eight with the data placed at the correct location for the channels selected in the chan
21. ished Page 28 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM MainDACBusy The bit indicates the status of the main DACs shift registers Write No effect Read 0 board ready to accept next DAC setting 1 board busy writing to DAC register will be ignored FilterValue Selects one of the following cut off frequencies for the DAC output filters range 0 3 Write 0 200Hz 1 2kHz 2 20kHz 3 bypass no filter default Read Returns previously written value Note the cut off frequency is common for all DAC channels Simultaneous This bit selects between a simultaneous and a sequential update of all DAC channels Write 0 sequential update 1 simultaneous update Read Returns previously written value UpdateChannel These bits select the channel to which an access updates outputs of all DAC channels in the case of a simultaneous update mode i e when Simultaneous bit in FCCSR is set range 0 7 Write 0 Channel number 1 1 Channel number 2 2 Channel number 3 3 Channel number 4 4 Channel number 5 5 Channel number 6 6 Channel number 7 7 Channel number 8 default Read Returns previously written value FIFOFullError This bit indicates that an access to a completely full FIFO occurred and the data was lost Write 0 no effect 1 clears the flag Read 0 no error occu
22. itten value FPClockEdge The bit allows selects the active edge of the incoming clock from the front panel It does not affect the clock generated onboard Write 0 rising edge clocks a generation low to high transition 1 falling edge clocks a generation high to low transition Read Returns previously written value A 1 10 FIFO_STATUS Indicates the amount of samples available in the FIFO memory Bit 15 14 13 12 41 to 9 ei 7i e si 4 3i2iijo Operation Initial riFOStatuet 15 01 FIFOStatus This register indicates the contents of the FIFO memory Write No effect Read Returns the amount of samples stored in FIFO memory less significant 16 of total 18 bits A 1 11 FIFO_CTRL FIFO control and status register EEE EAE H GG pe Initial Not used Content FIFOEmpty ClearFIFO FIFOFull FIFOHalfFull o o Tm N T N D L D K a 5 O LL L iL LL Page 36 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM ClearFIFO FIFOEmpty FIFOHalfFull FIFOFull FIFOTrg FIFOStatus The bit allows clearing of the FIFO contents and all related flags Write 0 no effect 1 clears the FIFO memory Read No effect The bit indicates that the FIFO is empty Write No effect Read 0 FIFO not empty 1 FIFO empty The bit indicates that the FIFO is half full Write
23. ived or generated can be forwarded to other instruments either via the trigger output on the front panel connector FP Trigger Output or via the motherboard trigger routing facilities MB Trigger Output The routing via the motherboard can only be chosen if the trigger output to the motherboard is not already used to forward the trigger signal from the FIFO FIFO trigger See Figure 5 for an overview of the trigger routing scheme on the ProDAQ 3511 function card Page 16 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM MB Trigger Input FP Trigger Input FP Trigger Output MB Trigger Output GenTrigEn FIFO trigger Generation Triggger Figure 5 Trigger Routing Scheme Copyright 2007 2008 Bustec Production Ltd Page 17 of 46 3511 XX UM ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual Page 18 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM 4 The VXIplug amp play Driver 4 1 Installation The ProDAQ 3511 8 Ch 200 kS s DAC function card is supplied with a VXIp ug amp play driver To install the driver run the Setup exe application coming with it and follow the instructions presented Make sure that no other ProDAQ software is running when you start the set up The installation program by default performs a complete installation It installs
24. lding installed function cards or double filler panels in place Fig 2 Pos 2 Screws holding single filler panels don t need to be removed Remove the two pan head screws that mount the front panel to the modules bottom cover Fig 2 Pos 6 Please take special care of the module handles and the rings Fig 2 Pos 3 and 4 which are also fixed by those screws The mounting angle Fig 2 Pos 5 stays fixed to the front panel Remove the front panel by moving it forward carefully to avoid bending the installed function 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 pan head screws and the crinkle washers from the stack s standoffs Fig 2 Pos 9 and 10 for example If you want to install a function card in the upper position of a stack without having a function card in the lower position you need to mount both spacers Fig 3 Pos 11 on each standoff If the stack is already populated with a function card in the lower position mount only the bigger spacer Fig 2 Pos 8 onto each standoff Place a bayonet supplied on each standoff Align the function card over these and slide carefully down The function card should be held parallel to the modules bottom cover all the time during its w
25. n accepts a mask where the lower 8 bits correspond to the channel t which shall be enabled The function bu3511_setFilter can be used to select the cut off frequency of the output filters before updating the outputs 5 3 Waveform Generation To generate a waveform using the ProDAQ 3511 8 Ch 200kS s DAC function card a number of different driver functions can be used If they allow generating waveforms on more then one channel they accept the waveform data in two different formats Grouped by channel or grouped by scan If grouped by channel is specified bu3511_GROUP_BY_CHANNEL the data in the linear array passed to the function must first contain all data for the first channel specified in the channel mask the all data for the second channel specified in the channel mask etc QO aQ O 9O O 90O 7 90O QO 07 0 0 7 0 0 0 0 0 0 0 0 0 a 4 IJJ IJJ 444 444 4444 ad bat N N N N N O1 O1 O1 O1 O1 N N N N N il see ee PS a Ieee e lls ae emer ce ste rae lls IIS DB bb db bb D MI He LS D D DS VJV Cc Cc Cc Cc Cc Cc Cc Cc Cc Cc Cc Cc Cc Cc Cc Cc Cc Cc Cc Cc oO oO oO oO oO oO oO oO oO oO oO oO oO oO oO oO oO oO oO oO N A O1 N A O1 N A O1 N A O1 011231415116 718191101111 12 113 14 15116 17 18 19 Array Index If grouped by scan is specified bu3511_GROUP_BY_SCAN the data in the array must start with the first values for all channels so
26. nel mask ies select a filter cut off frequency of 10 kHz for all channels status bu3511 setFilter session bu3511 FILT BYPASS lt VI SUCCESS bu3511 error message rm session status descr printf Error bu3511 setFilter failed due to s n descr return 1 enable the output on channels 1 3 and 5 status bu3511 setOutputEnable session 0x15 VI SUCCESS bu3511 error message instr session status descr printf Error bu3511 setOutputEnable failed due to s n descr return 1 set channel 1 to 5 2V output status bu3511 writeChannel session bu3511 CHAN 1 5 2 VI SUCCESS bu3511 error message rm session status descr printf Error bu3511 writeChannel failed due to s n descr return 1 update channels 1 3 and 5 simultaneously data 0 1 2 data 2 3 7 data 4 8 1 if status bu3511 writeChannels session 0x15 data VI SUCCESS bu3511 error message rm session status descr printf Error bu3511 writeChannels failed due to s n descr return 1 ey Figure 9 Using Direct Write to Channels Page 22 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM No output will be generated on channels not first enabled via the bu3511_setOutputEnable function see Figure 9 As the bu3511 writeChannels function this functio
27. ocess will not start until any enabled input trigger happens Select a trigger source for the motherboard trigger output Write 0 disables the trigger from FIFO and enables from other sources 1 enables the trigger from FIFO and disables from other sources Read 0 FIFO trigger disabled 1 FIFO trigger enabled This bit indicates the status of the FP trigger output line Write No effect Read 0 trigger line inactive 1 trigger line active This bit indicates the status of the FP trigger input line Write No effect Read 0 trigger line inactive 1 trigger line active This bit indicates the status of the MB trigger input line Write No effect Read 0 trigger line inactive 1 trigger line active Page 32 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM A 1 5 TEST nee Content eee TestRegister Read and write register with no functionality Write No effect Read Returns previously written value A 1 6 CALIB_DAC This register allows setting the offset and gain calibration DACs directly eT ro role wo Ho woo ROW al CalibAddress CalibValue Operation Initial Content 8 8 oO i LD D lt 5 Q O Zz gt a 3 a O lt Q 2 aS O CalibValue Code to be sent to DAC Write Ten bit calibration DAC value range 0 1023 Read No effect CalibAddress Sel
28. onnector used on the ProDAQ 3511 is a 50 pin female SCSI with the following pin out signet a e sue Caen es AGND ann o oa AGND Copyright 2007 2008 Bustec Production Ltd Page 41 of 46 3511 XX UM ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual Page 42 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM Appendix C Specifications O max 20V see datasheet Output Filter Filter Type 2 pole Bessel Cut off Freq 200 Hz 2 kHz 20 kHz and Bypass DC Offset lt 1mV typical calibrated DC Accuracy lt 0 05 Setting 1 5 LSB Trigger Input Front Panel Input Type TTL Active Edge Falling edge Trigger Output Front Panel Output Type TTL Open Collector 1kOhm pull up Active Level Low Clock Input Front Panel Input Type TTL Freq Range 0 200 kHz Active Edge Software selectable Clock Output Front Panel Output Type TTL Active Level Low Current Consumption 160mA 5V function card only no load Power Consumption lt 0 8 Watt Connector 50 pin SCSI 230mm x 53mm 9 1inch x 2 1inch Weight lt 100g Operating Temperature 0 C to 50 C Storage Temperature 40 C to 70 C Copyright 2007 2008 Bustec Production Ltd Page 43 of 46 3511 XX UM ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual MTBF 93520 Hrs Software Support VXI plug amp
29. otherboards you need to remove the modules top cover 1 Module Cover 2 Cover Screws 3 Cover Hooks Figure 2 Removing the ProDAQ Module Cover To remove the top cover remove the one countersunk screw in the back and the two pan head screws towards the front panel that hold the cover in place Remove the cover by sliding it out of its position towards the VXlbus connectors and up Take special care about the hooks holding it into place Try not to lift the cover straight up See Figure 2 for the location of the screws To re install the cover slide it back into its position by placing the small hooks over their holes and moving the cover down and forward Secure the top cover using the two pan head screws and one countersunk screw Page 10 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM 2 4 Installing a ProDAQ Function Card The ProDAQ Function Cards are arranged inside the ProDAQ Module in four stacks of two cards each The function cards are mounted face down e g the front panel connectors as well as the motherboard connectors are underneath the PCB when mounted To install a ProDAQ Function Card in any of the possible positions use the following procedure See figure 2 for reference Remove the top cover of the module as described earlier in this chapter Fig 2 Pos 1 Remove all screws on the front panel ho
30. ount of data in it reaches a certain level In the example the function bu3511_getStatus is used to poll the amount of data left in the FIFO see Figure 11 The function returns the amount of data in the FIFO as the total amount of samples in it so the loop in the example waits for it to become less than half of the initial amount of 200000 samples before attempting to refill the FIFO The refilling is done by using the function bu3511_writeWaveform In the example simply the first half of the waveform data initially calculated is written again into the FIFO every time more than half of the data was used for the waveform generation see Figure 11 At any time during the process the waveform generation can be stopped by using the function bu3511_stopWaveformGeneration As shown in the example in Figure 10 the function bu3511_getStatus can be used to wait until all remaining data from the FIFO was used by waiting for the FIFO status to become bu3511_FIFO EMPTY You should always stop the waveform generation explicitly as an empty FIFO is an error condition during waveform generation and will not cause the card to reset itself into an idle state In the example above the FIFO status was polled therefore a value of zero was passed to the threshold parameter If a value of 50000 would have been specified half the initial waveform length a trigger signal would have been generated every time the amount of data in the FIFO would
31. play Driver Page 44 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM Copyright 2007 2008 Bustec Production Ltd Page 45 of 46 Bustec Production Ltd World Aviation Park Shannon Co Clare Ireland Tel 353 0 61 707100 FAX 353 0 61 707106 gt Bustec Inc gpm E346 34428 Yucaipa Blvd Yucaipa CA 92399 U S A b ra x Tel 1 909 797 0484 Fax 1 760 751 1284 ustec
32. ration 0x0000 Zero OV Fullscale 0x0001 1LSB Fullscale 1LSB 0x8000 0 5 Fullscale Bipolar Zero OV OxFFFF Fullscale Range 1LSB Fullscale Range 1LSB Page 38 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM A 1 14 EE_DATA EEPROM data access register Factory use only er Content EEPROMValue A 1 15 EE CTRL EEPROM control register used to read and write the EEPROM data Factory use only RATA Content EEPROMControl A 1 16 FCSUB Function card subtype register er eg Content First letter ASCII Second letter ASCII See datasheet for the different versions of the ProDAQ 3511 function card A 1 17 FCSERH Contains the upper 16 bits of the function card serial number Operation RTE Content Upper 16 bits of serial number A 1 18 FCSERL Contains the lower 16 bits of the function card serial number er E Content Lower 16 bits of serial number Copyright 2007 2008 Bustec Production Ltd Page 39 of 46 3511 XX UM ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual A 1 19 FIFO Allows writing data into FIFO memory Re Content FIFOReg Page 40 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM Appendix B Front Panel Connector The front panel c
33. req 200kHz z Filter 20kHz xl T Channel 9 m Waveform Generation Control Start Stop Generate Single Cycle lt Figure 6 ProDAQ 3511 Soft Front Panel Application Copyright 2007 2008 Bustec Production Ltd Page 19 of 46 3511 XX UM ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual After initializing the ProDAQ 3511 function card during which a splash screen is displayed the soft front panel window will appear see Figure 6 Using the two tab panels displayed the user can select graphical interfaces representing the two top level functions implemented by the VXIplug amp play driver waveform generation and direct write to a channel 4 2 1 Waveform Generation The controls on the Waveform Generation page allow generating a pre defined waveform on selected channels For each channel the waveform type sine square saw tooth and triangle the amplitude and the offset can be chosen Channels must be enabled by the checkboxes in the Select Channel group The waveform generated by the soft front panel application uses 2048 samples per period Together with the update frequency which can be chosen using the DAC Update Freq control this defines the frequency of the generated waveform The cur off frequency of the output filters can be controlled using the Filter control in the same group The waveform generation is started by selecting the Start button Depending on the set
34. rred 1 indicates an error Copyright 2007 2008 Bustec Production Ltd Page 29 of 46 3511 XX UM FIFOEmptyError FrequencyError Generation ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual This bit indicates that a generation process requested data from an empty FIFO Write 0 no effect 1 clears the flag Read 0 no error occurred 1 indicates an error This bit indicates that a clock connected to the front panel exceeds the maximum update frequency Write 0 no effect 1 clears the flag Read 0 no error occurred 1 indicates an error This bit starts a generation process for channels selected by SCAN register involving the FIFO memory Write 0 stops a generation after completing the current scan 1 starts or arms a generation Read 0 a generation stopped 1 a generation in process armed and triggered Note If a generation trigger is activated GenTrigEn bit in TRIG register is set then the Generation bit in FCCSR register aonly arms the generation process and the actual generation will start after the trigger event happens otherwise the generation starts at once Page 30 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM A 1 4 TRIG This register defines the trigger configuration The settings in this register control the generation of trigger events 13 12 it
35. rted by channel number lower to higher number then the second values for all channels etc O0 0 0 O0 00 0010 000010101010 0 0 SIII T ee SSI Se SES AS ne SES SE N O1 N N O1 N N O1 N N O1 N N O1 N Sl See a UY See Ie ee le ha H ee NY aN eee ll a RS a Ue came hee DD db bb D BSD D D D DS D D D oe H D Cc Cc E L E E E E E Cc Cc Cc E Cc Cc Cc oO oO oO oO oO oO oO oO oO oO oO oO oO oO oO oO oO oO oO oO i N N N N ee wo wo wo gt gt A A O1 O1 O1 O1 0112314516 718191101111 12 113 14 15116 17 18 19 Array Index 5 3 1 Limited Waveform Generation The driver functions bu3511_generateWaveform and bu3511_generateWaveforms can be used to generate a waveform which length is limited by the on board FIFO The waveform passed to the functions is loaded into the FIFO the card is configured for the selected update speed channel pattern and filter setting and the generation is started immediately While the function bu3511 generateWaveform can only generate a waveform on one channel the function bu3511_generateWaveforms allows to generate the waveform on multiple channels The list of channels is defined by a channel mask similar to the one used for the function bu3511 writeChannels shown above See Figure 10 for an example of both functions Copyright 2007 2008 Bustec Production Ltd Page 23 of 46 3511 XX UM ProDAQ 3511 8
36. ssion 0x05 100000 bu3511 CLK INTERNAL 50KHZ bu3511 FILT 20KHZ bu3511 GROUP BY SCAN 0 data lt VI SUCCESS TP seers RY generate the waveform for 60 sec total for i 0 i lt 58 it do poll the amount of samples in the FIFO The returned value is the total amount of samples not samples per waveform 7 if status bu3511 getStatus session amp fifo status amp nsamples lt VI SUCCESS aT A while nsamples gt 100000 Re fill FIFO if status bu3511 writeWaveform session 50000 2 bu3511 GROUP BY SCAN data lt VI SUCCESS JR es E Figure 11 Continuous Waveform Generation with Polling Copyright 2007 2008 Bustec Production Ltd Page 25 of 46 3511 XX UM ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual Then the function bu3511_startContWaveform is used to configure the function card for waveform generation on channels 1 and 3 with an update frequency of 50 kHz and a filter cut off frequency of 20 kHz see Figure 11 The function also fills the FIFO with the initial set of waveform data here the two waveforms calculated above As each waveform has a length of 100000 samples the FIFO contains now a total of 200000 samples After configuring the card and filling the FIFO with waveform data the waveform generation is started immediately To generate a continuous waveform the FIFO now needs to be refilled whenever the am
37. ting of the Generate control either a single cycle or a continuous waveform will be generated If a continuous waveform is generated the generation can be stopped by selecting the Stop button 4 2 2 Direct Write to Channel The controls on the Write Channel page allow updating the output of each DAC manually ProDAQ 3511 T E 200 8 Ch DAC FC ustec Waveform Generation Write Channel Slot 10 FC1 Set DAC Immediate Value Channel 0 0 000 L Channel 4 0 000 RIE Channel 1 0 000 Channel 5 0 000 RIK RIK Channel 2 0 000 Channel 6 0 000 RIK RIK Channel 2 Channel 7 Figure 7 Write Channel Page Changing the setting of one of the controls will result in an immediate update of the DAC value Page 20 of 46 Copyright 2007 2008 Bustec Production Ltd ProDAQ 3511 8 Ch 200 kS s DAC Function Card User Manual 3511 XX UM 5 Programming the ProDAQ 3511 This chapter shows how to program the ProDAQ 3511 DAC function card using the VXIp ug amp play driver Complete examples can be found in the Examples subdirectory of the driver All functions are explained in detail in the help file coming with the driver 5 1 Connecting to the Function Card To initialize the driver and connect to the ProDAQ motherboard the standard VXIp ug amp play initialization function bu3511_init is used see Figure 8 Please refer to the VXIp ug amp play standard VPP 4 3 section 4 3 for a detailed des
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