AD Combo Module Kit User`s Manual D000003 Rev E
Contents
1. 22 Slandard C o lisurdiioqiu uuu 23 CH OAT C ODTIOUEHB OD u pare certs cc m ZS eria bd esi 24 Comphince and C ST CANO 10S u uuu asss drone con o OE IDEM ENS ecd De DL ENDS 26 Physical Specifications and CharacterIstIcsS 27 Drivven Inc 2009 AD Combo Module User s Manual 0000003 Rev 2 Drivven Inc AD Combo Module Kit Introduction The Drivven cRIO AD Combo Module Kit offers a set of automotive style analog and digital inputs to interface with standard automotive sensors Features gt 21 Ch Analog inputs 12 bit A D Converter 4 ksps per channel Optional pullup pulldown and divide resistors manually configurable Anti aliasing filter per channel Dedicated 2 5V precision reference gt 2 VR sensor inputs o 60VDC input range o Adaptive arming threshold gt 2 Ch Hall effect sensor or general purpose digital inputs Digital input with inverting Schmitt trigger hysteresis Short circuit protection Optional pullup pulldown and divide resistors Analog filter for noise rejection gt Sensor power output at DB37 connector pins 18 19 8 37 100mA O O O O O O O O O Drivven Inc 2009 AD Combo Module Kit User s Manual D000003 Rev 3 Drivven Inc AD Combo Module Kit Pinout a GND AN1 o AN2. ResultTrigger ADComboPinInput EE ScariTrigger VRHallData x emma ADComboPinOutput ues ModulePresent Controls and Indicators ADComboPinInput These boolean controls must be connected to their corresponding FPGA I O Node input item ADComboPinOutput The boolean indicator named IDSelectEn must be connected to a Set Output Enable method of an FPGA Method Node The boolean indicator named IDSelectOut must be connected to a Set Output Data method of an FPGA I O Method Node The remaining boolean indicators must be connected to their corresponding FPGA I O Node output item AnalogData The analog to digital conversion results for channels 1 21 and VRef in terms of 12 bit A D counts from 0 to 4095 corresponding to 0 to 5V visi Result X The analog to digital conversion results for channels 1 21 in terms of 12 bit A D counts from 0 to 4095 corresponding to 0 to 5V VRef 2 5V 0 2 The AD Combo uses a high reference of 5 0V 2 for its A D converters One channel of the AD Combo measures an analog reference of 2 5V 0 2 The reference value can be used to correct other channels when it is necessary to have a more precise absolute voltage measurement For channels which are measuring ratiometric signals such as potentiometers this correction is not necessary VRHallData Cluster of VR and Hall sensor signals VR1 The VR signal will go TRUE at the rapid negative zero crossing of
3. ZTH2 STH3 TH2J SHJ EHO THO Figure 16 Bottom side of AD Combo module showing serviceable parts Inc 2009 AD Combo Module User s Manual D000003 Rev 24 Drivven Inc AD Combo Module Kit When requesting a custom configuration please provide all of the following information Customer Business Name Contact Name Contact Phone Contact Email Shipping Address Unit Serial Number Has this unit been modified by the user Channel Pullup Pulldown Divide Break Intended Use Resistor Resistor Resistor Frequency ohms ohms ohms Hz Analog 1 Analog 2 Analog 3 Analog 4 Analog 5 Analog 6 Analog 7 Analog 8 Analog 9 Analog 10 Analog 11 Analog 12 Analog 13 Analog 14 Analog 15 Analog 16 Analog 17 Analog 18 Analog 19 Analog 20 Analog 21 Hall 1 Hall 2 VR Amplitude Voltage R 1 Drivven Inc 2009 AD Combo Module Kit User s Manual 0000003 Rev 25 Drivven Inc AD Combo Module Kit Compliance and Certifications Safety This product meets the requirements of the following standards of safety for electrical equipment for measurement control and laboratory use IEC 61010 1 EN 61010 1 e UL61010 1 CSA 61010 1 Electromagnetic Compatibility This product meets the requirements of the following EMC standards for electrical equipment for measurement control and laboratory use e EN 61326 1 IEC 61326 1
4. 2009 AD Combo Module Kit User s Manual 0000003 Rev E 23 Drivven Inc AD Combo Module Kit Custom Configuration For an additional service charge Drivven will custom configure each analog VR and Hall channel Customization can take place during or after module purchase lt is possible for the customer to configure the channels All user serviceable parts are on the bottom of the board and their locations are shown in Figure 16 To change the analog or hall circuit configuration use the resistor type and channel number grid headings on the top and sides respectively to locate the component you wish to change The VR Limit resistor can be configured to change the maximum amplitude voltage setting as follows Resistance MaxAmplitude V 0 003 A The VR Adapt location should not be modified Flt D ub Tl m LU Drivven Inc cHIO D Combo Module lt idepu a Nd O imt THA 000000 cd idepy jJ J J J D p jJ J J E J JE JE J jJ jJ J jJ J J H H JF Jj jJ j R R R F I Hf T J J F Jj J j 1 L I J j J jJ jJ jJ jJ jJ jJ JE j J J L J L n E p C E Ch L a mr e L jh i A C mur a C L n c a D E LTIgHIZHAJ
5. ADComboPinInput PERIE EIA ModulePresent Figure 12 AD Combo VI icon with leads The FPGA VI must be placed within a Single Cycle Loop SCL of a LabVIEW FPGA block diagram The SCL must execute at the default clock rate of 40 MHz The FPGA VI requires a pre synthesized netlist file having a matching name and an extension of ngc The netlist file must be located in the same directory as the VI The installer will place this file in the LabVIEW addons directory along with the FPGA VI Drivven Inc 2009 AD Combo Module User s Manual 0000003 Rev 16 Drivven Inc AD Combo Module Kit Creating a LabVIEW Project Drivven recommends working from the provided example application as a starting point for learning the use of the Drivven software blocks However the following section describes starting a LabVIEW project from scratch and adding a Drivven module 1 Install the Drivven software by running the installer executable and accepting the software license agreement Restart LabVIEW if previously running and create a new LabVIEW project Give the new project a name by clicking the Save Project button on the project toolbar Right click on the highest item in the project hierarchy Project and navigate to New gt Targets and Devices 5 Within the Add Targets and Devices dialog select the appropriate radio button depending on whether you already have an existing powered and co
6. Class A emissions Industrial immunity e EN 55011 CISPR 11 Group 1 Class A emissions e AS NZS CISPR 11 Group 1 Class A emissions e FCC 47 CFR Part 15B Class A emissions CES 001 Class A emissions Caution When operating this product use shielded cables and accessories CE Compliance C 3 This product meets essential requirements of applicable European Directives as follows 2006 95 EC Low Voltage Directive safety 2004 108 EC Electromagnetic Compatibility Directive EMC Environmental Management is committed to designing and manufacturing products in an environmentally responsible manner NI recognizes that eliminating certain hazardous substances from our products is beneficial to the environment and to NI customers For additional environmental information refer to the N and the Environment Web page at ni com environment This page contains the environmental regulations and directives with which NI complies as well as other environmental information not included in this document NENNEN Waste Electrical and Electronic Equipment WEEE EU Customers At the end of the product life cycle all products must be sent to a WEEE recycling center For more information about WEEE recycling centers National Instruments WEEE initiatives and compliance with WEEE Directive 2002 96 EC on Waste Electrical and Electronic Equipment visit ni com environment weee W Battery Replacement and Disposal Battery Dire
7. Combo Module Kit User s Manual D000003 Rev 21 Drivven Inc AD Combo Module Examples The following screen capture in Figure 15 from the example project shows a LabVIEW FPGA block diagram with the AD Combo VI used for general purpose analog and speed measurement This FPGA application is entirely contained within a single cycle loop clocked at the required 40 MHz The Pinlnput and PinOutput clusters are wired to LabVIEW FPGA I O pins which are configured for a cRIO controller chassis or a cRIO R Series expansion chassis Ec C AD Combo ID Select rH 4 IDSelectIn 2 J ad combo revd vi 0101 10000000 0106 JUU AD Combo SPI MISO 0106 P 10000000 10000000 10000000 gt AD Combo ID Select Set Output Enable P Enable i AD Combo ID Select IUU m IDseletEn et i p IDSelectOut Figure 15 LabVIEW FPGA Block diagram example of ad_combo vi used general purpose analog and speed measurement Drivven Inc 2009 AD Combo Module Kit User s Manual 0000003 Rev 22 Drivven Inc AD Combo Module Kit Standard Circuit Configuration The AD Combo module is hardware configurable It may be ordered with the default options outlined below or may be custom ordered Additionally it may be configured by the user However this procedure is only recommended for users highly skilled in circuit board
8. Kit Analog Inputs All analog inputs are similar to production automotive ECU analog inputs They are single ended inputs and provide filtering and over under voltage protection For best results the power and ground of the sensors should be provided by this module A pullup or pulldown is recommended for every input in order to facilitate open defective sensor faults These are provided with the standard configuration Standard Channel Configuration Generic Analog Input Circuit Figure 2 shows the generic schematic representation of all analog inputs An AD Combo module having a standard configuration will have a mixture of channel configurations according to the circuits described below VCC PU Unconfigured Input Figure 2 Unconfigured generic analog input circuit schematic Drivven Inc 2009 AD Combo Module Kit User s Manual D000003 Rev 8 Drivven Inc AD Combo Module Kit Divided Inputs Figure 3 shows the analog input circuit configuration for measuring voltages from 0 to 33 V This is standard configuration for channels 1 3 Channels with this configuration are protected from voltage swings of 50V CC PU Divided Input Figure 3 Analog input configuration for 0 to 33 V inputs Drivven Inc 2009 AD Combo Module User s Manual 0000003 Rev 9 Drivven Inc AD Combo Module Kit Active Inputs Potentiometer Inputs Figure 4 shows the analog input circuit configur
9. rework due to the small surface mount parts involved Standard Analog Configuration Channel Pullup Resistor Pulldown Divide Resistor Intended Use Resistor 2 open 200 33V a s _ Measurment open dk 200 83 4 open 5k O0 J 50 Open 0 J 58500 open 0 JJ 58500 7 opn 5k 0 50 8 opm Stk 0 500 Rctive Pot 9 opm 0 50 Active 10 opn O0 500 JRctive Pot 11 open 5k 0 50 Active 12 opn 0 500 Active Pot 13 O0 f 50 Active Pot 14 opn O0 50 Rctive Pot 15 0 50 Active Pot 16 opn O0 50 17 tk O 500 9 Jgrhermistor Switch 18 ik 0 f 50 9 Jrhermistor Switch 19 tk open O 9 A500 _ rhermistor Switch _ dk i i 4 open O 50 JThermistor Switch open O 500 hermistor Switch 2 5 Volt 0 296 Precision Reference Standard VR Configuration VR Amplitude Voltage 60VDC 60VDC Standard Hall Configuration Pullup Resistor Pulldown Divide Resistor Intended Use ohms Resistor ohms ohms Frequency Hz oUm J J TTL Hall Prox Switch or TTL Drivven Inc
10. will have an example LabVIEW project appear under the Examples menu and the user manual will appear under the Manuals menu User s may copy and open the example project to experiment with the module or use as a starting point for a new application All software files example projects and documentation are installed to C Program Files National Instruments LabVIEW X X vi lib addons DrivvenProductRelease When working with block diagrams user s will notice a Drivven function palette added to the standard LabVIEW palette specific for the RT or FPGA target Vls for a specific Drivven product will be categorized according to product name Also some Drivven products will install RT and FPGA Vis under a General function palette which is intended to be used across multiple products Requirements The Drivven VIs require LabVIEW 8 5 Full Development or later gt LabVIEW Module 8 5 or later LabVIEW FPGA Module 8 5 or later gt NI RIO 2 4 or later The AD Combo Module Kit is provided with a LabVIEW FPGA VI for interfacing with the module and providing the analog to digital conversion results for each analog input channel The unsigned 16 bit integer results may be used within the FPGA or read by RT controller for conversion to engineering units The digital signals from the VR and Hall inputs are also provided and may be wired to any other function within the FPGA Figure 12 shows the icon which represents the supplied FPGA VI
11. 2 AN3 a AN4 ANS O AN6 ANT a ANB ANS a AN10 AN11 a 12 1 O AN14 AN15 16 AN17 a AN18 AN19 O AN20 21 O NC GND O GND GND a VR1 GND a VR2 GND a GND GND O Hall2 Hall1 O 5V a Drivven Inc 2009 AD Combo Module User s Manual 0000003 Rev 4 Drivven Inc AD Combo Module Kit Hardware This module provides analog inputs VR sensor inputs and hall effect sensor inputs It also provides sensor power and ground Sensor power is provided directly from the cRIO chassis backplane Sensors should not draw more than a total of 100mA A properly strain relieved DB 37 connector not included is used to interface to the module National Instruments provides the CRIO 9933 37 pin Conn Kit screw term conn and DSUB shell which is compatible with this module However any DB 37 connector system may be used Drivven recommends the following DB 37 connector parts and tools available from several electronics parts distributors Allied Mouser Digikey etc Table 1 Connector parts list Description Mfr s Part AMP HDP 20 Series 109 37P Receptacle Housing 1757820 4 AMP HDP 20 Series 109 Crimp Socket Contact 205090 1 Norcomp D Sub Connector Hood 37 45 Degree 971 037 020H121 AMP D Sub Insert Extract Tool 91067 2 Paladin D Sub 4 Indent Crimp Tool 26 20 AWG 1440 Powering the Module The AD Combo module requires power from one source from the CompactRIO backplane male hig
12. DRIVVEN A National Instruments Company AD Combo Module Kit User s Manual D000003 Rev March 2012 WWW DRIVVEN COM Drivven CompactRIO AD Combo Module Part 0000003 21 Ch 12 Bit Analog input 2 Ch Adaptive Variable Reluctance Sensor Input 2 Ch Hall Effect Sensor Digital Input 2 us 4 Drivven 12001 Network Blvd Bldg Suite 110 San Antonio Texas 78249 USA Phone 210 248 9308 Web www drivven com E mail info drivven com Drivven Inc AD Combo Module Kit Contents iO KI O Nuu E uuu nsn asas 3 luo C sss S S S SS S 4 Mel AGG WY n SS S S SDS SDS SS SSS ID S 3 CHC 5 Plallorm Compalibiliiyv uuu 6 ANOT MINUS uuu FADE NM FEE 8 Standard Channel OntotatlOTIL i ease 8 Generic Analog Input CICUIt 8 octets et vise xu u S 9 Active Inputs Potentiometer Inputs 10 Thermistor Inputs Switch s Doe itas pe Dues nt tes Doe Tune 11 NRS SO uu n uuu DIN ON NUS 12 Hall EFHeet Sensor IODUfs sereset r a a ais 15 s G 16 C reaune a LabVIEW 17 SUID VIDO i IINE ER EE D DRE 19
13. ation for both active drive analog sensors and potentiometers for measuring voltages from 0 to 5 V This is the standard configuration for channels 4 16 Channels with this configuration are protected from voltage swings of 30V This circuit utilizes a weak pulldown for open circuit detection If the channel is connected to a potentiometer the pulldown will slightly modify the voltage seen by the A D converter as compared to an input circuit without the pulldown Therefore a full potentiometer calibration must be performed since the voltage from this circuit will not readily correlate to the voltage resulting from no pulldown Examples of potentiometers are throttle position and pedal position sensors VCC VEC PU Potentiometer Active Input open DIV FILT _ 0 3 9K POT PD C 51K 082uF Figure 4 Analog input configuration for active sensors and potentiometers Drivven Inc 2009 AD Combo Module Kit User s Manual D000003 Rev 10 Drivven Inc AD Combo Module Kit Thermistor Inputs Switch Inputs Figure 5 shows the analog input circuit configuration for thermistors and switches for measuring voltages from 0 to 5 V This is standard configuration for channels 17 21 Channels with this configuration are protected from voltage swings of 30V Thermistor inputs have a strong pullup to create a voltage divider with the sensor Refer to the sensor datasheet for senso
14. ctive This device contains a long life coin cell battery If you need to replace it use the Return Material Authorization RMA process or contact an authorized National Instruments service representative For more information about compliance with the EU Battery Directive 2006 66 EC about Batteries and Accumulators and Waste Batteries and Accumulators visit com environment batterydirective Drivven Inc 2009 AD Combo Module Kit User s Manual 0000003 Rev 26 Drivven Inc AD Combo Module Kit Ferrite Requirement for EMC Compliance Install a clamp on ferrite bead onto both the power supply cable and the signal cable Power to the module must be off when adding ferrites Ferrites must be connected to the power cable and the signal cable as close to the module as possible Placing the ferrite elsewhere on the cable noticeably impairs its effectiveness Determine the clamp on ferrite beads to install based on your application Use the following ferrites or other similar ferrites Power cable Laird 28A0592 0A2 2 total Signal cable Wurth Electronics 7427154 2 total Management Methods for Controlling Pollution Caused by Electronic Information Products Regulation China RoHS Chinese Customers National Instruments is in compliance with the Chinese policy on the Restriction of Hazardous Substances ROHS used in Electronic Information Products For more information about the National Instruments China RoHS compliance visi
15. e tooth moves away from the sensor tip the voltage will continue in the negative direction and then return to zero Figure 6 Positive tooth trigger wheel Figure 7 Negative tooth trigger wheel J J UJU U Figure 8 Correct signal polarity for VR input circuit Drivven Inc 2009 AD Combo Module Kit User s Manual D000003 Rev E 12 Drivven Inc AD Combo Module Kit I Figure 9 Incorrect signal polarity for VR input circuit Each VR sensor input requires two connections The AD Combo module pins labeled VR1 and VR2 are the positive sensor inputs The negative sensor inputs must be connected to GND pins on the module The polarity of the sensor connection to the module is critical The leads of the sensor should be connected such that the positive input of the VR circuit sees the waveform shown in Figure 8 The waveform shown Figure 9 is incorrect and the VR circuit will not properly respond to this waveform The rapid zero crossing of the VR signal must be in the negative direction The polarity of the physical tooth or gap on the trigger wheel will contribute to the polarity of the voltage pulse from the sensor Figure 6 demonstrates a positive physical tooth polarity and Figure 7 demonstrates a negative physical tooth polarity Assuming the lead polarity of a sensor remained the same one of the configurations would generate the waveform shown in Figure 8 while the other configuration would generate the waveform shown i
16. h density D Sub 15 pin HD15 connector which mates with the module s female HD15 connector This power source provides a regulated 5 volts and ground to various digital logic and analog functions within the module The CompactRIO 5V source is active whenever the CompactHIO or R Series Expansion Chassis is properly powered The module should only be powered at the HD15 connector by plugging it into a CompactRIO or R Series Expansion Chassis The module s HD15 connector should not be connected to any other device Do not connect 5VDC power to the 5V outputs of the DB37 connector Those pins are 5V outputs Drivven Inc 2009 AD Combo Module Kit User s Manual D000003 Rev 5 Drivven Inc AD Combo Module Kit Platform Compatibility CompactRIO modules from Drivven are compatible within two different platforms from National Instruments One platform is CompactRIO consisting of a CompactRIO controller and CompactRIO chassis as shown in Figure 1a below i 14 24 4 14 d Lj I I l Figure 1a CompactRIO platform compatible with Drivven CompactRIO modules The other platform is National Instruments PXI which consists of any National Instruments PXI chassis along with a RT controller and PXI 78xxR R Series FPGA card An R Series expansion chassis must be connected to the FPGA card SHC68 68 RDIO cable The CompactRIO modules insert into the R Series expansion chassis This platform is sh
17. ltage is generated with each VR pulse and bleeds down thereafter The next pulse must have an amplitude that exceeds the arming threshold in order for a digital output to be generated at the rapid zero crossing The initial arming threshold is set to approximately 70 of each pulse s amplitude Given a constant gap between the sensor and the trigger teeth the amplitude of a VR pulse is directly proportional to the speed of the trigger wheel For example if the VR amplitude at 1000 RPM is 10 volts then the amplitude at 2000 RPM will be 20 volts By using an oscilloscope to measure the VR amplitude at a low speed this relationship can be used to determine what the maximum amplitude will be at the maximum speed If the maximum amplitude of will be exceeded at maximum speed then the sensor gap must be increased or the designer must obtain a custom VR circuit configuration from Drivven Drivven Inc 2009 AD Combo Module Kit User s Manual D000003 Rev E 14 Drivven Inc AD Combo Module Kit Hall Effect Sensor Inputs The AD Combo module provides two identical hall effect sensor input circuits The hall effect inputs are designed to take a digital input from a hall effect or proximity sensor Typical sensors of this type will have an open collector output requiring a pullup resistor at the collector The hall effect inputs will also read active TTL compatible signals The standard configuration includes a 4 7K pullup to 5V f
18. method for 39 party module vendors to hide the DIO pins behind module VIs and still be portable to various system configurations Therefore a double check of the I O node wiring is recommended Two LabVIEW FPGA code snippets are shown below from an ADCombo implementation which illustrate this issue Figure 13 shows the correct implementation of the FPGA I O node block for the PinOutput cluster of the ADCombo On the other hand figure 14 shows a coding mistake that should be avoided Notice the ADCombo output items where a Spark module output item is selected instead of the correct ADCombo module output item This means that the Spark 0105 output is being driven by the ADCombo logic and will cause strange behavior of the spark module or possible damage mselectout SPI Clk ADCombo SPI Clk ADCombo SPI CS D105 P DIO7 F ADCombo SPI MOSI DIO7 P Figure 13 Representative FPGA output node for ADCombo with correct output item selection s IDSelectEn EN OSslectOut 1 ADCombo SPI Spark SPICs 05 DIO p nnr ADCombo SPI MOSI D107 P Figure 14 Representative FPGA output node for ADCombo with incorrect output item selection for DIO5 This will cause strange behavior or damage to the spark module Applying meaningful names to the modules within the project can help identify these coding mistakes Drivven Inc 2009 AD
19. module names is important for preventing coding mistakes 13 After adding a module to the project a folder will automatically be added to the project having the same module name given in the module configuration dialog The folder will contain the FPGA I O pins for the module slot These I O pins can be selected in the block diagram when connecting the module VI Pinlnput and PinOutput clusters to FPGA nodes The example application discussed below should be consulted for further details about connecting the and PinOutput clusters to FPGA I O nodes Within the example projects notice the FPGA I O node elements having module name prefixes 14 Drivven modules can be automatically recognized by LabVIEW when adding cRIO modules to the project However Drivven does not recommend using this feature because the module names which are automatically assigned are not meaningful Mod1 Mod2 etc and can lead to coding mistakes when wiring the Drivven FPGA VIs to the I O nodes Adding the modules to the project manually as described above is still the recommended method Drivven Inc 2009 AD Combo Module Kit User s Manual D000003 Rev 18 Drivven Inc AD Combo Module Kit Sub VI Documentation ad combo reve vi The AD Combo FPGA VI interfaces to the AD Combo module the Pinlnput and PinOutput clusters The VI provides analog VR and Hall sensor results Connector Pane ogDa ta
20. n Figure 9 Triggers wheels are designed so that the physical center of each tooth or gap corresponds to a known angular position of the wheel This physical center of the tooth or gap always corresponds to the rapid zero crossing of the generated voltage pulse The VR circuit is designed so that the rapid negative zero crossing of the raw sensor signal corresponds to the rising edge of a digital pulse sent to the RIO FPGA The VR output signal to the FPGA will go TRUE at the rapid negative zero crossing of the external VR pulse and remain TRUE until the external VR pulse returns to OV An example of this is shown in Figure 10 Within LabVIEW FPGA the system designer can route this digital signal to the EPT CrankSig or CamSig input The signal can also be routed to any other speed measurement sub VI NI Figure 10 VR input pulse and resulting digital output from VR circuit The absolute maximum VR pulse amplitude allowed by the circuit is 60VDC If the input signal exceeds this voltage damage may occur to the circuit The amplitude should not exceed 60VDC at maximum engine speed The minimum VR pulse amplitude that will generate a digital output by the VR circuit is 200 millivolts Inc 2009 AD Combo Module User s Manual D000003 Rev 13 Drivven Inc AD Combo Module Kit The VR circuit implements adaptive noise rejection features during continuous incoming VR pulses In general an adaptive arming threshold vo
21. nce of 5 0V 2 for it A D converters One channel of the AD Combo measures a reference of 2 5V 0 2 The reference value can be used here to correct other channels when it is necessary to have a more precise absolute voltage measurement For channels which are measuring ratiometric signals this correction is not needed The A D counts of AD Combo channel VRef should be wired to the AnRef counts input The A D counts of the channel to be corrected should be connected to the AnChanln counts input The absolute corrected A D counts are output on AnChanOut counts Note This calculation assumes a 12 bit A D converter and a nominal reference of 2 5V Note This VI should be instantiated at the Windows or RT level not within the FPGA Connector Pane AnRef counts EN AnChanQut counts Controls and Indicators counts A D result from the AD Combo FPGA VI Result X indicator i AnRef counts A D result from the AD Combo FPGA VI VRef 2 5V 0 2 indicator us AnChanOut counts Corrected A D result Drivven Inc 2009 AD Combo Module Kit User s Manual 0000003 Rev E 20 Drivven Inc AD Combo Module Kit Warning About FPGA I O Node Wiring Great care should be taken to ensure that I O nodes are wired to the correct Pinlnput and PinOutput clusters of the correct module VI If wired incorrectly then undefined behavior or module damage could result LabVIEW FPGA does not yet provide a
22. nfigured target on the network or if you are adding a new target which is not present yet on the network a Existing Target or Device i Expand the appropriate category in the Targets and Devices list to see the discovered targets in that category li Double click the desired target to add it to your project b New Target or Device i Expand the appropriate category in the Targets and Devices list to see all possible targets within that category ii Double click the desired target to add it to your project 6 If the new RT target is not currently on the network right click on the RT target within the project and open the properties dialog to set the IP address or DNS name if necessary 7 Right click on the RT target within the project and navigate to New gt Targets and Devices 8 Within the Add Targets and Devices dialog select the appropriate radio button depending on whether you already have an existing FPGA target connected to an existing RT target or if you are adding a new FPGA target which is not present yet a Existing Target or Device i Expand the appropriate category in the Targets and Devices list to see the discovered FPGA targets in that category ii Double click the desired target to add it to your project b New Target or Device i Expand the appropriate category in the Targets and Devices list to see all possible targets within that category ii Double click the desired target to add i
23. or use with open collector type inputs The input is protected against typical automotive battery voltages and can be connected to actively driven battery voltage signals Channels with this configuration are protected from voltage swings of 30V The circuit s output to the RIO FPGA reverses the polarity of the input by going low when the input voltage is greater than 2 0V The output goes high when the input is less than 1 0V Figure 11 shows the standard configuration of the hall effect sensor input circuits VCC PU Hall Input 4 7K DIV _ ADC 3 9K x g TOpF L Figure 11 Hall effect circuit input configuration Drivven Inc 2009 AD Combo Module Kit User s Manual D000003 Rev 15 Drivven Inc AD Combo Module Kit Software Installer The AD Combo Module Kit is provided with an installer package which may be downloaded from Drivven s Sharepoint website after obtaining login access from Drivven User s may go to http portal drivven com SoftwareDownload and enter the provided username and password to gain access to the specific product installer packages which have been purchased The installer packages are executables which should be run on the intended development computer having LabVIEW development tools installed After installing the package a Start gt Programs gt Drivven gt ProductRelease menu item will be added the desktop The specific product
24. own in Figure 1b below uy ee 2 Figure 1b PXI platform compatible with Drivven CompactRIO modules CompactRIO modules are not compatible with the National Instruments CompactDAQ chassis CompactRIO modules REQUIRE one of the hardware support systems described above in order to function The modules may not be used by themselves and or interfaced to third party devices at the backplane HD15 connector These efforts cannot be supported by Drivven or National Instruments You can use Drivven C Series modules with NI cRIO 91 1x NI cRIO 907x and NI R Series Expansion systems under the following conditions Drivven Inc 2009 AD Combo Module Kit User s Manual D000003 Rev 6 Drivven Inc AD Combo Module Kit Leave one empty chassis slot between Drivven and NI modules Maintain an ambient system operating temperature of 0 to 45 C Typical specifications of NI modules may not apply when used in a system with Drivven modules Warranted specifications are guaranteed for all NI modules except thermocouple modules when used in a system with Drivven modules The NI 9214 is recommended for thermocouple measurements in cRIO systems using Drivven modules Scan Interface mode auto detection and ID mode are not supported for Drivven modules Inc 2009 AD Combo Module User s Manual D000003 Rev 7 Drivven Inc AD Combo Module
25. r resistance curves Most production automotive temperature sensors are thermistors which have a maximum cold resistance of approximately 100 Kohms and a resistance of approximately 100 ohms at 150 degrees C The pullup resistor of 1 Kohms will provide a useable output voltage range for thermistors of this type When used as a switch input the switch should short to ground when it is closed x VCC PU Thermistor Switch Input 1K x DIV FILT AI Thermistor x 0 3 9K PD Open 082uF Figure 5 Analog input configuration for thermistors and switches Drivven Inc 2009 AD Combo Module Kit User s Manual D000003 Rev E 11 Drivven Inc AD Combo Module Kit VR Sensor Inputs The AD Combo module provides two identical VR sensor inputs A Variable Reluctance VR sensor input is a standard low cost automotive speed sensing input It is an electro magnetic sensing device containing a winding of wire around a permanent magnetic core It relies on the movement of ferrous material steel teeth past the tip of the sensor to change the magnetic flux of the sensor This creates a voltage pulse across the leads of the sensor s wire coil Figures 8 and 9 below show a typical VR signal with respect to toothed wheels as shown in Figures 6 and 7 The VR signal will go positive as a tooth approaches the sensor tip The signal will then rapidly swing back through zero precisely at the center of the tooth As th
26. t ni com environment rohs china fes H ee HERoHS National Instruments eS io Piel ea RoHS XTNational Instruments 8 1 ni com environment rohs china For information about China RoHS compliance go to ni com environment rohs_china Physical Specifications and Characteristics Weight 145 grams Maximum Altitude 2000 m Operating Temperature 40 C to 70 C Maximum Ambient Temperature 70 C Operating Humidity 10 to 90 RH noncondensing Pollution Degree 2 Ingress Protection IP40 For Indoor Use Only If you need to clean the module wipe it with a dry towel Safety Guidelines Caution Do not operate this module in a manner not specified in these operating instructions Do not exceed the 60VDC rating Product misuse can result in a hazard You can compromise the safety protection built into the product if the product is damaged in any way If the product is damaged return it to National Instruments for repair Drivven Inc 2009 AD Combo Module User s Manual 0000003 Rev 27
27. t to your project 9 If the new FPGA target was not currently in the system right click on the FPGA target within the project and open the properties dialog to set the resource name if necessary The resource name can be found from MAX when connected to the actual remote system 10 If the FPGA target is a PXI or PCI card then a R Series expansion chassis must be added under the FPGA target This is done by right clicking on the FPGA target and navigating to New gt R Series Expansion Chassis Within the following dialog select the appropriate FPGA connector to which the chassis will be connected A unique name for the chassis may also be specified 11 Right click on the R Series expansion chassis cRIO FPGA target chassis and navigate to New gt C Series Modules 12 Select the New Target or Device radio button and double click on the C Series Module in the Targets and Devices list In the following dialog select the desired Drivven module at the bottom of the Module list The Drivven modules will be appended there if any Drivven module software has been installed Select the appropriate module 2 9 4 Sr S Inc 2009 AD Combo Module User s Manual D000003 Rev 17 Drivven Inc AD Combo Module Kit location Finally specify an appropriate name for the module which will later appear in the FPGA I O nodes in the FPGA block diagram Having meaningful
28. the external VR pulse and remain TRUE until the external VR pulse returns to OV It is important to only use the rising edge of this digital signal because it is always lined up with the rapid negative zero crossing of the external VR pulse VR2 The VR signal will go TRUE at the rapid negative zero crossing of the external VR pulse and remain TRUE until the external VR pulse returns to OV It is important to only use the rising edge of this digital signal because it is always lined up with the rapid negative zero crossing of the external VR pulse Hall1 The Hall signal is an inverted and filtered version of the external signal presented to the hall effect input channel Drivven Inc 2009 AD Combo Module Kit User s Manual D000003 Rev 19 Drivven Inc AD Combo Module Kit Hall2 The Hall signal is an inverted and filtered version of the external signal presented to the hall effect input channel 4 ResultTrigger A 40 MHz one clock one shot output indicating that the associated channels have a new result ready These signals may be used to trigger algorithms to execute code when new analog results are ready ScanTrigger A 40 MHz one clock one shot output indicating that all channel registers have been updated once ScanComplete one shot will be asserted at the rate of 4000 Hz ModulePresent Indicates that the module is connected and recognized by the Drivven software ad combo corr vi The AD Combo uses a high refere
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