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DT9836 Series User`s Manual

1. Channel to Specify in Channel List for Counter Timer Channel Description DT9836 12 DT9836 6 QUAD 0 LOW Lower 16 bits of Q D 0 Channel 17 Channel 11 QUAD 0 HI Upper 16 bits of Q D 0 Channel 18 Channel 12 QUAD 1 LOW Lower 16 bits of Q D 1 Channel 19 Channel 13 QUAD 2 HI Upper 16 bits of Q D 1 Channel 20 Channel 14 QUAD 3 LOW Lower 16 bits of Q D 2 Channel 21 Channel 15 QUAD 3 HI Upper 16 bits of Q D 2 Channel 22 Channel 16 Note If you are using the DataAcq SDK you access the quadrature decoders through the C T subsystem C T subsystem 2 corresponds to quadrature decoder 0 C T subsystem 3 corresponds to quadrature decoder 1 and C T subsystem 4 corresponds to quadrature decoder 2 The quadrature decoder channel is treated like any other channel in the analog input channel list therefore all the clocking triggering and conversion modes supported for analog input channels are supported for the quadrature decoders if you specify them this way 81 Chapter 6 82 Input Ranges The DT9836 Series modules provide an input range of 10 to 10 V or 5 to 5 V Use software to specify the range as 10 to 10 V or 5 to 5 V Note This is the range for the entire analog input subsystem not the range per channel You do not need to and cannot set gain values for DT9836 Series modules The gain is preset at 1 Input Sample Clock Sources DT9836 Series modules allow you to use one of t
2. DT9836 Series A D D A DIN DOUT C T QUAD Programmable Gain Support SupportsProgrammableGain Yes Number of Gains NumberOfSupportedGains 1 1 1 1 0 0 Gains Available SupportedGains 1 1 1 1 Ranges Table 16 DT9836 Series Range Options DT9836 Series A D D A DIN DOUT C T QUAD Number of Voltage Ranges NumberOfRanges 2 1 0 0 0 0 Available Ranges 10 Vor SupportedVoltageRanges 5V 10 V2 a For the D A subsystem that is used as the threshold trigger the range is 0 to 10 V where a raw count of 0 represents 0 V and a raw count of 255 represents 10 V 119 Chapter 7 120 Resolution Table 17 DT9836 Series Resolution Options DT9836 Series Software Programmable Resolution SupportsSoftwareResolution A D D A DIN DOUT C T QUAD Number of Resolutions NumberOfResolutions Available Resolutions SupportedResolutions 16 16 16 16 32 32 a For the D A subsystem that is used to set the analog threshold value the resolution is 8 bits Supported Device Driver Capabilities Triggers Table 18 DT9836 Series Trigger Options DT9836 Series A D D A DIN DOUT C T QUAD Software Trigger Support SupportsSoftwareTrigger Yes Yes Yes Yes Yes Yes External Positive TTL Trigger Support SupportsPosExternalTTLTrigger Yes Yes Yes External Negative TTL Trigger Support SupportsNegExternalTTLTrigger
3. Pin Signal Description Pin Signal Description 1 Digital Input 0 20 Digital Output 0 2 Digital Input 1 21 Digital Output 1 3 Digital Input 2 22 Digital Output 2 4 Digital Input 3 23 Digital Output 3 5 Digital Input 4 24 Digital Output 4 6 Digital Input 5 25 Digital Output 5 7 Digital Input 6 26 Digital Output 6 8 Digital Input 7 27 Digital Output 7 9 Digital Input 8 28 Digital Output 8 10 Digital Input 9 29 Digital Output 9 11 Digital Input 10 30 Digital Output 10 47 Chapter 4 Table 5 Digital In Out Connector Pin Assignments cont Pin Signal Description Pin Signal Description 12 Digital Input 11 31 Digital Output 11 13 Digital Input 12 32 Digital Output 12 14 Digital Input 13 33 Digital Output 13 15 Digital Input 14 34 Digital Output 14 16 Digital Input 15 35 Digital Output 15 17 Digital Ground 36 Reserved 18 Digital Ground 37 Digital Ground 19 No Connect CT Enc In Analog Out CIk Trig Connector The CT Enc In Analog Output Clk Trig connector lets you access the counter timer quadrature decoder analog output external clock and external trigger signals Table 6 lists the pin assignments for this connector on the BNC connection box Table 6 CT Enc In Analog Out CIk Trig Connector Pin Signal Description Pin Signal Description 1 Analog Output 0 20 Analog Output 0 Return 2 Analog Output 1 21 Analog Out
4. issuse 38 Configuring the DT9836 Series Device Driver 40 Contents Chapter 4 Wiring Signals to the BNC Connection Box 41 Preparing to Wire Signals 0 60 e cece eee eee 43 Wiring Recommendations 000 cece ee eee 43 Wiring to the BNC Box 6 c cece eee L4 Wiring Signals to the BNC Connectors 46 Wiring Signals to the D Sub Connectors 47 Digital In Out Connector 47 CT Enc In Analog Out Clk Trig Connector 48 Connecting Analog Input Signals 00 50 Connecting Analog Output Signals 005 51 Connecting Digital I O Signals 000000084 52 Connecting Counter Timer Signals 53 Event Counting esce serere Hh oe ee aes eres 53 Up Down Counting cesses 5b Frequency Measurement 000 ce cece cece eens 56 Period Pulse Width Measurement 56 Edge to Edge Measurement 000 0000008 57 Pulse O tp t certet eR IRR Vaca dees 58 Connecting Quadrature Decoder Signals 60 Chapter 5 Verifying the Operation of a Module 61 Installing the Quick DataAcq Application 63 Running the Quick DataAcq Application 63 Testing Single Value Analog Input 2 4 64 Testing Single Value Analog Output sssss 6
5. sssssseeseeeess 109 Quadrature Decoder Features 0000s eee eens 110 Chapter 7 Supported Device Driver Capabilities 113 Data Flow and Operation Options 008 115 Buffering zii e eR Ree rre iui rie Reds 116 Triggered Scan Mode 0 6 6 117 Data Encoding 00000 117 Channels cegas eren E ePREAe b ESI adr And ar ERN RARE As 118 ecu 119 Contents langes sace teda bas Pia re rese eie cei e d 119 R solution 44 ober RR RR Eb EEda ERE CREE EE ES 120 AVIS COTS 10 ects adeb ito deett Dura aes quedan 121 Clocks eve RE Lek ace A eee ee ed 122 Counter Timers lese res 123 Chapter 8 Troubleshooting esses 125 General Checkliste hs bob as Ra cece cee eens 126 Technical Support 2 be ra led ra neni ai 130 If Your Module Needs Factory Service 131 Chapter 9 Calibration 0002 eee eee eee 133 Using the Calibration Utility 00 135 Calibrating the Analog Input Subsystem 136 Connecting a Precision Voltage Source 136 Using the Auto Calibration Procedure 136 Using the Manual Calibration Procedure 137 Calibrating the Analog Output Subsystem 139 Appendix A Specifications Ls 141 Appendix B Connector Pin Assignments 153 OEM Version Connectors 00 0 e eee eee eese 154 OEM J2 Con
6. Chapter 3 Setting Up and Installing the Module describes how to install a DT9836 Series module how to apply power to the module and how to configure the device driver Chapter 4 Wiring Signals to the BNC Connection Box describes how to wire signals to a DT9836 Series BNC connection box Chapter 5 Verifying the Operation of a Module describes how to verify the operation of the DT9836 Series module with the Quick DataAcq application Chapter 6 Principles of Operation describes all of the features of the DT9836 Series module and how to use them in your application Chapter 7 Supported Device Driver Capabilities lists the data acquisition subsystems and the associated features accessible using the DT9836 Series Device Driver Chapter 8 Troubleshooting provides information that you can use to resolve problems with the DT9836 Series module and device driver should they occur Chapter 9 Calibration describes how to calibrate the analog I O circuitry of the DT9836 Series modules About this Manual Appendix A Specifications lists the specifications of the DT9836 Series modules Appendix B Connector Pin Assignments shows the pin assignments for the connectors and the screw terminal assignments for the screw terminals on the DT9836 Series modules e Appendix C Ground Power and Isolation describes the electrical characteristics of the DT9836 Series module Anindex completes thi
7. Measure Foundry An evaluation version of this software is included or provided via a link on the Data Acquisition OMNI CD Measure Foundry is a drag and drop test and measurement application builder designed to give you top performance with ease of use development Order the full development version of this software package to develop your own application using real hardware e DT Open Layers for NET Class Library Use this class library if you want to use Visual Cf or Visual Basic for NET to develop your own application software for a DT9836 Series module using Visual Studio 2003 or Visual Studio 2005 the class library complies with the DT Open Layers standard DataAcq SDK Use the Data Acq SDK if you want to use Visual Studio 6 0 and Microsoft C or C to develop your own application software for a DT9836 Series module using Windows 2000 or Windows XP the DataAcq SDK complies with the DT Open Layers standard e DTx EZ DIx EZ provides ActiveX controls which allow you to access the capabilities of the DT9836 Series modules using Microsoft Visual Basic or Visual C DTx EZ complies with the DT Open Layers standard 19 Chapter 1 20 DAQ Adaptor for MATLAB Data Translation s DAQ Adaptor provides an interface between the MATLAB Data Acquisition DAQ subsystem from The MathWorks and Data Translation s DT Open Layers architecture DT LV Link Use DT LV Link if you want to use the LabVIEW graphical programming
8. Single Buffer Wrap Mode Support SupportsWrapSingle Yes Inprocess Buffer Flush Support SupportsinProcessFlush Yes a The data from a DT9836 Series module is transferred to the host in 4 096 byte 2 048 sample segments If the application moves data from an inprocess before the module has transferred 2 048 samples to the host the resulting buffer will contain 0 samples Your application program must deal with these situations when flushing an inprocess buffer Supported Device Driver Capabilities Triggered Scan Mode Table 12 DT9836 Series Triggered Scan Mode Options DT9836 Series A D D A DIN DOUT C T QUAD Triggered Scan Support SupportsTriggeredScan Maximum Number of CGL Scans per Trigger MaxMultiScanCount 1 0 0 0 0 0 Maximum Retrigger Frequency MaxRetriggerFreq 0 0 0 0 0 0 Minimum Retrigger Frequency MinRetriggerFreq 0 0 0 0 0 0 Data Encoding Table 13 DT9836 Series Data Encoding Options DT9836 Series A D D A DIN DOUT C T QUAD Binary Encoding Support SupportsBinaryEncoding Yes Yes Yes Yes Yes Yes Twos Complement Support SupportsTwosCompEncoding 117 Chapter 7 118 Channels Table 14 DT9836 Series Channel Options DT9836 Series A D D A DIN DOUT C T QUAD Number of Channels 17 or NumberOfChannels 232 3or5P 1 1 1 SE Support SupportsSingleEnded Yes S
9. 183 Index 184 measuring frequency 105 measuring pulses 106 MinExtClockDivider 122 MinFrequency 122 MinRetriggerFreq 117 multiple channels analog input 78 analog output 89 N number of differential channels 118 gains 119 I O channels 118 resolutions 120 scans per trigger 117 single ended channels 118 voltage ranges 119 NumberOfChannels 118 NumberOfRanges 119 NumberOfResolutions 120 NumberOfSupportedGains 119 Nyquist Theorem 82 O OEM version connector J2 pin assignments 155 connector J3 pin assignments 157 connector TB1 pin assignments 160 one shot pulse output 108 123 online help 63 Open Layers Control Panel applet 28 99 129 operation modes continuous analog input scan mode 84 continuous digital I O 98 single value analog input 83 single value analog output 92 single value digital I O 98 waveform generation 94 output channel list 89 clock sources 91 pulses 123 ranges 90 output pulses testing 71 wiring 58 outputting pulses 107 108 109 P period 107 period measurement wiring 56 physical specifications 150 pin assignments Digital In Out connector 47 EP356 48 OEM version connector J2 155 OEM version connector J3 157 OEM version connector TB1 160 ports digital I O 97 positive threshold trigger 121 post trigger acquisition mode 115 power 35 176 177 power specifications 150 power supply 35 preparing to wire signals 43 pre scale value 111 Index pulse output one shot
10. Connect the power supply for the expansion hub to an external power supply Connect the expansion hub to the USB port on the host computer using another USB cable The operating system automatically detects the USB module and starts the Found New Hardware wizard Click Next and or Finish as required in the wizard Once the firmware is loaded the wizard restarts to initiate the firmware to accept commands Click Next and or Finish again If the power supply and module are attached correctly the LED turns green Repeat these steps until you have attached the number of expansion hubs up to five and modules up to four per hub that you require Refer to Figure 4 The operating system automatically detects the USB devices as they are installed Setting Up and Installing the Module DT9836 Series Module Host Computer F USB Cable g s oe g Power Supply a NS Expansion Ey Power Supply for Module USB Cables U DT9836 Series y 4 Module _ USB Cable H for Hub iu B Y Power Supply for Hub DT9836 Series DT9836 Series Module Module USB Cables Figure 4 Attaching Multiple Modules Using Expansion Hubs 39 Chapter 3 40 Configuring the DT9836 Series Device Driver To configure the device driver for the DT9836 Series module do the following 1 Ifyouhave not already done so power up the host computer an
11. ME Signal Description dE Signal Description 1 Analog Output 0 20 Analog Output 0 Return 2 Analog Output 1 21 Analog Output 1 Return 3 Reserved 22 Reserved 4 Reserved 23 Reserved 5 Digital Ground 24 Digital Ground 6 External DAC Clock 25 External DAC Trigger 7 External ADC Clock 26 External ADC Trigger 8 Counter 0 Clock 27 Digital Ground 9 Counter 0 Out 28 Counter 0 Gate 10 Counter 1 Clock 29 Digital Ground 11 Counter 1 Out 30 Counter 1 Gate 12 Quad Dec 0 C T 2 A 31 Digital Ground 13 Quad 0 C T 2 Index 32 Quad Dec 0 C T 2 B 14 Quad Dec 1 C T 3 A 33 Digital Ground 15 Quad 1 C T 3 Index 34 Quad Dec 1 C T 3 B 16 Quad Dec 2 C T 4 A 35 Digital Ground 17 Quad 2 C T 4 Index 36 Quad Dec 2 C T 4 B 18 Digital Ground 37 Digital Ground 19 No Connect Connector Pin Assignments EP353 Accessory Panel Connectors To attach an EP353 accessory panel to the OEM version of the DT9836 Series module plug the EP353 panel into connector J2 on the module as shown in Figure 27 EP353 Accessory Panel 26 Pin Connector J1 OEM Version of 37 Pin DT9836 Series Connector J2 Module Ey Module ae J2 ean esas J3 Figure 27 Connecting the EP353 Accessory Panel to Connector J2 Connector J1 Figure 31 shows the orientation of the pins for connector J1 on the EP353 panel Pin 2 Pin 26 EE OOOOOOOOOO00 Pin 1 Pin 25 Figure 28 Orientation of the Pins for Connectors J1 on the EP353
12. Pin Assignments for Connector J3 on the OEM Version of Module Pin Signal Description Pin Signal Description 1 Quad 2 Index 35 Quad Dec 2 B 2 Quad Dec2 A 36 Digital Ground 3 Quad 1 Index 37 Quad Dec 1 B 4 Quad Dec 1A 38 Digital Ground 5 Quad 0 Index 39 Quad Dec 0 B 6 Quad Dec 0 A 40 Digital Ground 7 Counter 1 Out 41 Counter 1 Gate 8 Counter 1 Clock 42 Digital Ground 9 Counter 0 Out 43 Counter 0 Gate 10 Counter 0 Clock 44 Digital Ground 11 Digital Ground 45 Reserved 12 Digital Input 15 46 Digital Output 15 13 Digital Input 14 47 Digital Output 14 14 Digital Input 13 48 Digital Output 13 15 Digital Input 12 49 Digital Output 12 16 Digital Input 11 50 Digital Output 11 17 Digital Input 10 51 Digital Output 10 18 Digital Input 9 52 Digital Output 9 157 Appendix B 158 Table 13 Pin Assignments for Connector J3 on the OEM Version of Module cont Pin Signal Description Pin Signal Description 19 Digital Input 8 53 Digital Output 8 20 Digital Input 7 54 Digital Output 7 21 Digital Input 6 55 Digital Output 6 22 Digital Input 5 56 Digital Output 5 23 Digital Input 4 57 Digital Output 4 24 Digital Input 3 58 Digital Output 3 25 Digital Input 2 59 Digital Output 2 26 Digital Input 1 60 Digital Output 1 27 Digital Input 0 61 Digital Output 0 28 External ADC Clock 62 External ADC Trigg
13. SupportsContinuous 115 SupportsContinuousMeasure 123 SupportsCount 123 SupportsDifferential 118 SupportsExternalClock 122 SupportsGateFalling 124 SupportsGateHighEdge 124 SupportsGateHighLevel 123 SupportsGateLowEdge 124 SupportsGateLowLevel 123 SupportsGateNone 123 SupportsGateRising 124 SupportsHighToLowPulse 123 SupportsInProcessFlush 116 SupportsInternalClock 122 SupportsInterrupt 124 SupportsInterruptOnChange 115 SupportsLow ToHighPulse 123 SupportsMeasure 123 SupportsNegExternalTTLIrigger 121 SupportsOneShot 123 SupportsOneShotRepeat 123 SupportsPosExternalTTLTrigger 121 SupportsPosThresholdTrigger 121 SupportsProgrammableGain 119 SupportsRateGenerate 123 SupportsSimultaneousClocking 122 SupportsSimultaneousSampleHold 118 SupportsSimultaneousStart 115 SupportsSingleEnded 118 SupportsSingleValue 115 SupportsSoftwareTrigger 121 SupportsTwosCompEncoding 117 SupportsUpDown 123 SupportsVariablePulseWidth 123 SupportsWrapSingle 116 system requirements 28 T TB1 connector pin assignments OEM version 160 technical support 130 threshold trigger positive 121 throughput maximum 122 minimum 122 transferring data analog input 86 analog output 95 triggered scan number of scans per trigger 117 retrigger frequency 117 triggers analog input 85 analog threshold 86 external 85 91 external negative digital 121 external positive digital 121 positive analog threshold 121 software 85 90 121 specifications 148 troubleshoo
14. quadrature decoder 2 Principles of Operation Using software you can also specify one or more of the quadrature decoders in the analog input channel list You need two channel list entries to read a 32 bit quadrature decoder value The first entry stores the lower 16 bit word and the second entry stores the upper 16 bit word Refer to page 80 for more information about using quadrature decoders in the channel list Each quadrature decoder supports A B and Index inputs and is used to interface with a quadrature encoder sensor The A and B input relationships are used to increment or decrement the positional count the Index input can be used to zero out the positional count Figure 23 shows an example of a quadrature decoder mode In this case the A input leads the B input up counting with a 90 degree Index Sample Clock nnnrnn LATI Lu Encoder A Input Encoder B Input Encoder Index Input Figure 23 Example Quadrature Decoder Mode Using software you can specify the following parameters for a quadrature decoder operation The pre scale value that is used to filter the onboard clock Using a pre scale value can remove ringing edges and unwanted noise for more accurate data e The scaling mode X1 or X4 mode to match the quadrature encoder
15. 108 rate generation 107 repetitive one shot 109 testing 71 types 102 wiring 58 pulse width 103 106 wiring 56 Q quadrature decoder features 110 in the analog input channel list 80 wiring 60 Quick DataAcq application 19 installing 63 running 63 R ranges analog input 82 analog output 90 number of 119 rate generation 107 123 recommendations for wiring 43 repetitive one shot pulse output 109 123 requirements 28 resolution analog input 77 analog output 88 available 120 number of 120 retrigger clock frequency 117 returning boards to the factory 131 RMA 131 S sample clock sources 82 sample rate 84 scaling mode 111 scan operations analog input 83 screw terminal assignments EP355 173 SDK 19 simultaneous clocking 122 simultaneous sample and hold support 118 simultaneous start list 115 single buffer wrap mode 116 single channel analog input 78 analog output 89 single ended channels 50 118 number of 118 single value operations 115 analog input 83 analog output 92 digital I O 98 software trigger 85 90 121 specifications 141 analog input 142 analog output 144 clocks 149 counter timer specifications 147 digital I O 146 environmental 150 physical 150 power 150 triggers 148 stopping an operation 83 93 185 Index 186 SupportedGains 119 SupportedResolutions 120 Supported VoltageRanges 119 SupportsBinaryEncoding 117 SupportsBuffering 116 SupportsClockFalling 124 SupportsClockRising 124
16. 123 subsystem specifications 147 up down counting 123 variable pulse width 123 counting events 104 customer service 131 D D A see analog output 144 data encoding 86 95 117 data flow modes continuous C T 115 continuous digital input 115 continuous post trigger 115 single value 115 data format and transfer analog input 86 analog output 95 DataAcq SDK 19 181 Index 182 device driver 19 40 differential channels 118 digital I O 97 input port 98 input port in the analog input channel list 79 lines 97 operation modes 98 output port 98 output port in the output channel list 89 subsystem specifications 146 testing digital inputs 68 testing digital outputs 69 wiring 52 Digital In Out connector pin assignments 47 digital trigger 85 91 DT Measure Foundry 19 DT LV Link 20 DT Open Layers for NET Class Library 19 DTx EZ 19 duty cycle 102 E edge type clock falling 124 clock rising 124 gate falling 124 gate rising 124 edge to edge measurement mode 106 123 wiring 57 encoding data 86 95 environmental specifications 150 EP353 accessory panel 165 EP355 screw terminal 173 EP356 accessory panel 169 170 EP356 pin assignments 48 errors analog input 87 analog output 96 event counting 104 123 wiring 53 expansion hub 38 external clock 101 122 external clock divider maximum 122 minimum 122 external digital trigger 85 91 negative TTL 121 positive TTL 121 F factory service 131 features 16 Fifo
17. 25 EN a Set Up and Install the Module see Chapter 3 starting on page 33 Wire Signals to the BNC Connection Box this chapter 1 Verify the Operation of the Module see Chapter 5 starting on page 61 Wiring Signals to the BNC Connection Box Preparing to Wire Signals CAUTION To avoid electrostatic sensitivity unplug your BNC connection box from the computer before wiring signals This section provides recommendations and information about wiring signals to the BNC connection box Note If you are using the D sub connectors on the BNC box or the OEM version of the DT9836 Series module use this chapter for conceptual information and then refer to Appendix B starting on page 153 for connector pin assignments and accessory panel information Wiring Recommendations Keep the following recommendations in mind when wiring signals to a BNC connection box Separate power and signal lines by using physically different wiring paths or conduits e To avoid noise do not locate the box and cabling next to sources that produce high electromagnetic fields such as large electric motors power lines solenoids and electric arcs unless the signals are enclosed in a mumetal shield Prevent electrostatic discharge to the I O while the box is operational Connect all unused analog input channels to analog ground 43 Chapter 4 Wiring to the BNC Box The BNC conne
18. 37 pin D sub connectors Use connector J1 of the EP356 to attach digital I O signals and use connector J2 of the EP356 to attach analog output counter timer trigger and clock signals Refer to page 169 for more information about attaching the EP356 to the OEM version of the DT9836 Series module and for information about the connector pin assignments 159 Appendix B OEM TB1 Connector Table 14 lists the pin assignments for connector TB1 on the OEM version of the DT9836 Series modules Table 14 Pin Assignments for Connector TB1 on the OEM Version of Module Pin TM Signal Description 1 45 V 2 Ground 3 Shield Chassis Ground 160 Connector Pin Assignments BNC Box Connectors This section describes the pin assignments for the D sub connectors on the BNC connection box Note that the BNC connectors are labeled on the box Digital I O Connector Figure 25 shows the orientation of the pins on the Digital In Out connector on the BNC connection box Pin 1 iO ip Pin 20 Q OOOOOOOOOOOOOOO0 OOOOOOOOOOOOOOCO f Pin 19 Pin 37 Figure 25 Orientation of the Digital In Out Connector on the BNC Connection Box Table 15 lists the pin assignments for the Digital In Out connector on the BNC connection box 161 Appendix B Table 15 BNC Connection Box Digital In Out Connector Pin Assignments PUR Signal D
19. C compiler this manual describes how to use the DT Open Layers DataAcq SDK to access the capabilities of Data Translation data acquisition devices DTx EZ Getting Started Manual UM 15428 This manual describes how to use the ActiveX controls provided in DTx EZ to access the capabilities of Data Translation data acquisition devices in Microsoft Visual Basic or Visual C DT LV Link Getting Started Manual UM 15790 This manual describes how to use DT LV Link with the LabVIEW graphical programming language to access the capabilities of Data Translation data acquisition devices Microsoft Windows 2000 or Windows XP documentation USB web site http ww w usb org Where To Get Help 14 Should you run into problems installing or using a DT9836 Series module the Data Translation Technical Support Department is available to provide technical assistance Refer to Chapter 8 for more information If you are outside the United States or Canada call your local distributor whose number is listed on our web site www datatranslation com Overview DT9836 Hardware Features 2 0 eee eee e eee 16 Supported SOWAT occ ei eee ebbe va week e ree 18 ACETOS Ce scc IRCCRE Sond Sanaa eee CU RE Eae slate 20 Getting Started Procedime lice edem ero RR 21 15 Chapter 1 16 DT9836 Hardware Features The DT9836 Series is a family of high performance multifunction data acquisition modules for the USB
20. Edge to Edge Measurement Mode Support SupportsMeasure Yes Continuous Edge to Edge Measurement Mode Support SupportsContinuousMeasure Yes High to Low Output Pulse Support SupportsHighToLowPulse Yes Low to High Output Pulse Support SupportsLowToHighPulse Yes Variable Pulse Width Support SupportsVariablePulseWidth Yes None internal Gate Type Support SupportsGateNone Yes High Level Gate Type Support SupportsGateHighLevel Yes Low Level Gate Type Support SupportsGateLowLevel Yes 123 Chapter 7 124 Table 20 DT9836 Series Counter Timer Options cont DT9836 Series A D D A DIN DOUT C T QUAD High Edge Gate Type Support SupportsGateHighEdge Yes Low Edge Gate Type Support SupportsGateLowEdge Yes Level Change Gate Type Support SupportsGateLevel Clock Falling Edge Type SupportsClockFalling Yes Clock Rising Edge Type SupportsClockRising Yes Gate Falling Edge Type SupportsGateFalling Yes Gate Rising Edge Type SupportsGateRising Yes Interrupt Driven Operations Supportsinterrupt Yes a In one shot mode and repetitive one shot mode the duty cycle is set to 100 automatically b High edge and low edge are supported for one shot and repetitive one shot modes High level and low level are supported for event counting up down counting frequency measurement edge to edge measurement and rate generation modes Troubleshooting beneral KONO SE csi Rt
21. Panel 165 Appendix B 166 You can use connector J1 and an AC1315 cable to attach a 5B Series signal conditioning backplane to the EP353 accessory panel Table 17 lists the pin assignments for connector J1 on the EP353 accessory panel Table 17 EP353 Connector J1 Pin Assignments J1 Pin J1 Pin Assignment Signal Description Assignment Signal Description 1 Analog In 0 2 Analog In 6 3 Analog Ground 4 Analog In 7 5 Analog In 1 6 Analog Ground 7 Analog In 2 8 Analog In 8 9 Analog Ground 10 Analog In 9 11 Analog In 3 12 Analog Ground 13 Analog In 4 14 Analog In 10 15 Analog Ground 16 Analog In 11 17 Analog In 5 18 Analog Ground 19 Reserved 20 Reserved 21 Analog Ground 22 Reserved 23 Reserved 24 Analog Ground 25 Reserved 26 Reserved a Reserved on DT9836 6 Series modules Connector Pin Assignments Connector J2 Use EP353 connector J2 to attach analog input signals to the EP353 accessory panel Figure 29 shows the orientation of the pins for connector J2 on the EP353 panel Pin 1 Pin 19 OOOOOOOOOOOOOOOOO0 OOOOOOOOOOOOOOOOO0 Pin 20 Pin 37 Figure 29 Orientation of the Pins for Connectors J2 on the EP353 Panel You can access the pins on connector J2 either by using the EP360 cable and STP37 screw terminal panel available from Data Translation or by building your own cable panel Refer to Appendix A for information about the require
22. Panel Connectors 00000005 169 EP355 Screw Terminal Assignments suse 173 153 Appendix B OEM Version Connectors This section describes the pin assignments for the J2 and J3 connectors on the OEM version of the DT9836 Series modules as well as the secondary power connector TB1 You can access these pins by building your own cable and screw terminal panel refer to Appendix A for information about the required mating connectors Figure 24 shows the orientation of the pins on these connectors TB1 Secondary Connector J3 Connector J2 Power Connector see page 176 for OPin 35 Pin68 O Pin35 Pin 68 more info Pin 1 Pin 34 Pin 1 Pin 34 OEM Version of IT o Om DT9836 Series Module O Figure 24 Connectors on OEM Version of DT9836 Module Note If you are using the BNC connection box refer to Chapter 4 and BNC Box Connectors on page 161 for wiring information 154 Connector Pin Assignments OEM J2 Connector Table 12 lists the pin assignments for connector J2 on the OEM version of the DT9836 Series module Table 12 Pin Assignments for Connector J2 on the OEM Version of Module Pin Signal Description Pin Signal Description 1 5 V Analog 0 5 amps 35 Digital Ground 2 Reserved 36 Analog Ground 3 Analog Ground 37 Analog Ground 4 Reserved 38 Reserved 5 Analog Gro
23. Yes Yes Yes DIN DOUT C T QUAD Continuous Operation Support SupportsContinuous Yes Yes Yes Yes Yes Yes Continuous Operation until Trigger SupportsContinuousPreTrigger Continuous Operation before amp after Trigger SupportsContinuousPrePostTrigger Simultaneous Start List Support SupportsSimultaneousStart Yes Yes Interrupt Support SupportsinterruptOnChange Yes Output FIFO Size FifoSize 128K a The DIN subsystem supports continuous mode by allowing you to read the digital input port all 16 digital input lines using the analog input channel list b The DOUT subsystem supports continuous mode by allowing you to output data from the digital output port all 16 digital output lines using the output channel list c The C T subsystem supports continuous mode by allowing you to read the value of one or more of the 2 general purpose counter timer channels using the analog input channel list d The QUAD subsystem supports continuous mode by allowing you to read the value of one or more of the 3 quadrature decoders using the analog input channel list e The first 8 digital input lines of the digital input port can generate an interrupt on change event 115 Chapter 7 116 Buffering Table 11 DT9836 Series Buffering Options DT9836 Series Buffer Support SupportsBuffering A D Yes D A Yes DIN DOUT C T QUAD
24. a problem with the bus driver exists The DT9836 Series Ensure that your DT9836 Series module module was removed is properly connected see the instructions while an operation in Chapter 3 was being performed 128 Troubleshooting Table 21 Troubleshooting Problems cont Symptom Possible Cause Possible Solution Data appears to An open connection Check your wiring and fix any open be invalid exists connections see the instructions in Chapter 4 A transducer is not Check the transducer connections see connected to the the instructions in Chapter 4 channel being read The module is set up Check your wiring and ensure that what for differential inputs you specify in software matches your while the transducers hardware configuration see the are wired as instructions in Chapter 4 single ended inputs or vice versa The DT9836 Series DT9836 Series modules are calibrated at module is out of the factory If you want to readjust the calibration calibration of the analog input or analog output circuitry refer to Chapter 9 starting on page 133 USB 2 0 is not Your operating Ensure that you load the appropriate recognized system does nothave Windows Service Pack version 2 for the appropriate Service Pack installed Windows XP or version 4 for Windows 2000 If you are unsure of whether you are using USB 2 0 or USB 1 1 run the Open Layers Control Panel applet d
25. a rising edge on the Counter 0 Clock signal and the stop edge in this case a falling edge on the Counter 0 Gate signal You specify the start edge and the stop edge in software Refer to Edge to Edge Measurement on page 106 for more information 57 Chapter 4 Digital Ground Signal D 5 Source 1 Counter 0 Gate 98 Signal Counter 0 Clock Source 0 gt D 8 D sub Pins Figure 16 Connecting Counter Timer Signals to the D sub Pins for an Edge to Edge Measurement Operation Pulse Output Figure 17 shows how to connect counter timer signals to the CT Enc In Analog Output Clk Trig D sub pins to perform a pulse output operation on counter timer 0 in this example an external gate is used 58 Wiring Signals to the BNC Connection Box Digital Ground External ae Gating Switch Q24 Counter 0 Gate Counter 0 Out ounter 0 Ou 4 D L Heater Controller Digital Ground D sub Pins Figure 17 Connecting Counter Timer Signals to the D sub Pins for a Pulse Output Operation Using an External Gate 59 Chapter 4 Connecting Quadrature Decoder Signals The BNC connection box provides three quadrature decoder channels that allow simultaneous decoding of three quadrature encoded inputs Each quadrature decoder supports A B and Index inputs and is used to interface with a quadrature encode
26. counter timer signals you must use the appropriate pins on the CT Enc In Analog Output CIK Trig connector You can access the pins by building your own cable panel Refer to page 48 for connector pin assignments External A D clock or trigger signal You can wire external clock trigger signals in one of the following ways Using the BNC connectors labelled AD Clock for A D clock signals and AD Trig for A D trigger signals Using the appropriate pins on the CT Enc In Analog Output Clk Trig connector You can access the pins by building your own cable panel Refer to page 48 for connector pin assignments External DAC clock or trigger signal If your version of the DT9836 module supports analog output operations you can wire external clock trigger signals in one of the following ways Using the BNC connectors labelled DAC Clock for D A clock signals and DAC Trig for D A trigger signals Using the appropriate pins on the CT Enc In Analog Output Clk Trig connector You can access the pins by building your own cable panel Refer to page 48 for connector pin assignments The following sections describe how to wire signals using the BNC or D sub connectors 45 Chapter 4 Wiring Signals to the BNC Connectors To wire signals using the BNC connectors connect the appropriate BNC connector to the appropriate input output using a BNC cable The number of BNC connectors available on the box var
27. destination folder path if you wish by clicking Change and then click Next 9 Click Install The files are copied to the specified destination folder 10 Click Finish to complete the installation process Preparing to Use a Module Viewing the Documentation Note To view the documentation you must have Adobe Acrobat Reader 5 0 or greater installed on your system Acrobat Reader is provided on the Data Acquisition OMNI CD If you install Acrobat Reader from this CD make sure that you open Acrobat Reader and accept the license agreement before viewing the documentation You can access the DT9836 Series documentation from the Hardware Documentation program group From the Windows Start menu click Programs Data Translation Inc Hardware Documentation and then select the appropriate document to view The following may be helpful when using Adobe Acrobat Reader e To navigate to a specific section of the document click a heading from the table of contents on the left side of the document Within the document click the text shown in blue to jump to the appropriate reference the pointer changes from a hand to an index finger To go back to the page from which the jump was made click the right mouse button and Go Back or from the main menu click Document and then Go Back To increase or decrease the size of the displayed document from the main menu click View and then Zoom e By default Acrob
28. language to access the capabilities of the DT9836 Series modules Refer to the Data Translation web site www datatranslation com for information about selecting the right software package for your needs Accessories You can purchase the following optional items from Data Translation for use with the OEM version of the DT9836 Series module EP361 5V power supply and cable EP353 Accessory panel that provides one 37 pin D sub connector for attaching analog input signals and one 26 pin connector for attaching a 5B Series signal conditioning backplane EP355 Screw terminal panel that provides 14 position screw terminal blocks for attaching counter timer digital I O trigger and clock signals Not for analog input use with this module EP356 Accessory panel that provides two 37 pin D sub connectors for attaching digital I O analog output counter timer trigger and clock signals EP333 2 meter shielded cable with two 37 pin connectors that connect an EP356 accessory panel to an STP37 screw terminal panel EP360 2 meter shielded cable with two 37 pin connectors that connect an EP353 accessory panel to an STP37 screw terminal panel Overview Getting Started Procedure The flow diagram shown in Figure 1 illustrates the steps needed to get started using the DT9836 Series module This diagram is repeated in each Getting Started chapter the shaded area in the diagram shows you where you are in the get
29. manual calibration settings Using the Manual Calibration Procedure If you want to manually calibrate the analog input circuitry instead of auto calibrating it do the following for each channel substitute the appropriate channel number as you go 1 Adjust the offset as follows a Verify that 0 000 V is applied to AD Ch0 and that A D Channel Select is set to Channel 0 The current voltage reading for this channel is displayed in the A D Value window b Adjust the offset by entering values between 0 and 255 in the Offset edit box or by clicking the up down buttons until the A D Value is 0 000 V 2 Adjust the gain as follows a Verify that 49 375 V is applied to AD Ch0 and that A D 9 Channel Select is set to Channel 0 137 Chapter 9 The current voltage reading for this channel is displayed in the A D Value window b Adjust the gain by entering values between 0 and 255 in the Gain edit box or by clicking the up down buttons until the A D Value is 9 3750 V Note Atany time you can click Restore Factory Settings to reset the A D calibration values to their original factory settings This process will undo any auto or manual calibration settings Once you have finished this procedure continue with Calibrating the Analog Output Subsystem 138 Calibration Calibrating the Analog Output Subsystem This section describes how to use the DT9832 DT9836 Calibration Utility to calibrate the analo
30. mode Theindex mode which either enables the Index signal or disables the Index signal 111 Chapter 6 112 Note For quadrature decoder operations set the clock source to external You can read the value of the quadrature decoder subsystem to determine relative or absolute position To determine the rotation of a quadrature encoder use the following formula Rotation degrees Count x 360 degrees 4 N where N is the number of pulses generated by the quadrature encoder per rotation For example if every rotation of the quadrature encoder generated 10 pulses and the value read from the quadrature decoder is 20 the rotation of the quadrature encoder is 180 degrees 20 40 x 360 degrees Supported Device Driver Capabilities Data Flow and Operation Options 00005 115 noon oho hE Load Pm 116 Triggered Sen MEE ob ocr eso titri eie Errem e Rt 117 Roues oce rp ei uet cM S D I 119 dcr CE 118 cl PR 119 Resolution icc e bec E geese deeds Hees Ede 120 TRONS 11 ERI tai Re ee edle e pe es 121 Dor RE EEN 122 Counter MES eraser iaer bue esc ER DRE EE 123 113 Chapter 7 114 The DT9836 Series Device Driver provides support for the analog input A D analog output D A digital input DIN digital output DOUT counter timer C T and quadrature decoder QUAD subsystems For information on how to configure the device driver refer to Chapter 3 T
31. number of your nearest distributor All return shipments to Data Translation must be marked with the correct RMA number to ensure proper processing Using the original packing materials if available package the module as follows Wrap the module in an electrically conductive plastic material Handle with ground protection A static discharge can destroy components on the module Place ina secure shipping container Return the module to the following address making sure the RMA number is visible on the outside of the box Customer Service Dept Data Translation Inc 100 Locke Drive Marlboro MA 01752 1192 131 Chapter 8 132 Calibration Using the Calibration Utility ecc 0 440 406 sa RR 135 Calibrating the Analog Input Subsystem 136 Calibrating the Analog Output Subsystem 139 133 Chapter 9 DT9836 Series modules are calibrated at the factory and should not require calibration for initial use We recommend that you check and if necessary readjust the calibration of the analog input and analog output circuitry on the DT9836 Series modules every six months using the DT9832 DT9836 Calibration Utility Note Ensure that you installed the DT9836 Series Device Driver prior to using the DT9832 DT9836 Calibration Utility Refer to Chapter 2 for more information on installing the device driver This chapter describes how to calibrate the analog input and o
32. of counts 18 MHz Frequency of a signal pulse the number of periods per second You can calculate the frequency as follows Frequency 18 MHz Number of Counts When the operation is complete you can read the value of the counter Using software specify the counter timer mode as edge to edge measurement mode measure the C T clock source as internal the start edge type and the stop edge type Make sure that the signals are wired appropriately Refer to Edge to Edge Measurement on page 57 for an example of connecting an edge to edge measurement application Rate Generation Use rate generation mode to generate a continuous pulse output signal from the Counter n Out line this mode is sometimes referred to as continuous pulse output or pulse train output You can use this pulse output signal as an external clock to pace other operations such as analog input analog output or other counter timer operations The pulse output operation is enabled whenever the Counter n Gate signal is at the specified level While the pulse output operation is enabled the counter outputs a pulse of the specified type and frequency continuously As soon as the operation is disabled rate generation stops 107 Chapter 6 108 The period of the output pulse is determined by the C T clock source either internal using a clock divider or external You can output pulses using a maximum frequency of 18 MHz this is the frequen
33. output signals to the module 88 Principles of Operation Note An extra analog output D A subsystem is provided on all DT9836 Series modules for controlling the analog threshold trigger The threshold trigger DAC is the highest numbered D A subsystem supported by your module Refer to page 85 for more information on analog threshold triggering The DACs are deglitched to prevent noise from interfering with the output signal They power up to a value of 0 V x10 mV Unplugging the module resets the DACS to 0 V The DT9836 Series modules can output data to a single DAC or sequentially to one or more DACs and or the digital output port The following subsections describe how to specify the DACs port Specifying a Single Analog Output Channel The simplest way to output data to a single DAC is to specify the channel for a single value analog output operation using software refer to page 92 for more information about single value operations You can also specify a single DAC using the output channel list oy described in the next section Specifying Multiple Analog Output Channels and or the Digital Output Port You can output data to one or more DACs and or the digital output port using the output channel list This feature is particularly useful when you want to correlate the timing of analog and digital output events Using software specify the data flow mode as Continuous for the D A subsystem described on page
34. timer operation immediately after execution e Logic low level external gate input Enables a counter timer operation when the Counter n Gate signal is low and disables the counter timer operation when the Counter n Gate signal is high Note that this gate type is used for event counting and rate generation modes refer to page 103 for more information about these modes 101 Chapter 6 102 Logic high level external gate input Enables a counter timer operation when the Counter n Gate signal is high and disables a counter timer operation when the Counter n Gate signal is low Note that this gate type is used for event counting and rate generation modes refer to page 103 for more information about these modes Falling edge external gate input Enables a counter timer operation when a high to low transition is detected on the Counter n Gate signal In software this is called a low edge gate type Note that this gate type is used for edge to edge measurement one shot and repetitive one shot mode refer to page 103 for more information about these modes Rising edge external gate input Enables a counter timer operation when a low to high transition is detected on the Counter n Gate signal In software this is called a high edge gate type Note that this gate type is used for edge to edge measurement one shot and repetitive one shot mode refer to page 103 for more information about these modes Specify the gate
35. to earth ground e The USB data lines and USB GND are not connected to earth ground e The USB DGND is connected to the USB GND of the PC USB port 178 A A D subsystem specifications 142 accessories 20 aliasing 82 analog input calibrating 136 channel list 78 channel list for counter timers 79 channel list for quadrature decoders 80 channel list for the digital input port 79 channels 77 continuous operations 83 conversion modes 83 data format and transfer 86 error conditions 87 ranges 82 resolution 77 sample clock sources 82 single ended configuration 50 single ended operations 83 testing continuous 66 testing single value 64 triggers 85 wiring 50 analog output calibrating 139 channel list 89 channels 88 clock sources 91 continuous operations 92 Index conversion modes 92 data format and transfer 95 error conditions 96 gain 90 ranges 90 resolution 88 single value operations 92 subsystem specifications 144 testing continuous 67 testing single value 65 wiring 51 analog threshold trigger 86 applet Open Layers Control Panel 28 99 129 application wiring analog outputs 51 digital inputs and outputs 52 edge to edge measurement 57 event counting 53 frequency measurement 56 period measurement 56 pulse output 58 pulse width measurement 56 single ended analog inputs 50 up down counting 55 applications DT Measure Foundry 19 DT LV Link 20 Quick DataAcq 19 B base clock frequenc
36. type in software Pulse Output Types and Duty Cycles The DT9836 Series modules can output the following types of pulses from each counter timer High to low transitions The low portion of the total pulse output period is the active portion of the counter timer clock output signal Low to high transitions The high portion of the total pulse output period is the active portion of the counter timer pulse output signal You specify the pulse output type in software Principles of Operation The duty cycle or pulse width indicates the percentage of the total pulse output period that is active For example a duty cycle of 50 indicates that half of the total pulse output is low and half of the total pulse output is high You specify the duty cycle in software Figure 22 illustrates a low to high pulse with a duty cycle of approximately 30 Active Pulse Width pat i high pulse lt Total Pulse Period low pulse Figure 22 Example of a Low to High Pulse Output Type Counter Timer Operation Modes DT9836 Series modules support the following counter timer operation modes Event counting Up down counting Frequency measurement Edge to edge measurement Rate generation One shot Repetitive one shot 103 Chapter 6 Note The active polarity for each counter timer operation mode is software selectable The following subsections describe these mod
37. value operations In addition you can specify the digital input port in an analog input channel list to perform a continuous digital input operation or you can specify the digital output port in an output channel list to perform a continuous digital output operation Refer to page 98 for more information about continuous digital I O operations A digital line is high if its value is 1 a digital line is low if its value is 0 On power up or reset a low value 0 is output from each of the digital output lines The DT9836 Series modules allow you to program the first eight digital input lines to perform interrupt on change operations Refer to page 99 for more information 97 Chapter 6 Operation Modes The DT9836 Series modules support the following digital I O operation modes Single value operations are the simplest to use but offer the least flexibility and efficiency You use software to specify the digital I O port the gain is ignored Data is then read from or written to all the digital I O lines For a single value operation you cannot specify a clock or trigger source Single value operations stop automatically when finished you cannot stop a single value operation Continuous digital I O takes full advantage of the capabilities of the DT9836 Series modules using the analog I O clock source scan mode trigger source buffer and buffer wrap mode Digital input For digital input operations enter
38. 5 Testing Continuous Analog Input 0000 66 Testing Continuous Analog Output 005 67 Testing Single Value Digital Input 0 68 Testing Single Value Digital Output 69 Testing Frequency Measurement 0 eee eee eee 70 Contents Testing Pulse Output 0 0 00 0 71 Part 2 Using Your Module 73 Chapter 6 Principles of Operation 75 Analog Input Features epeei end de na eruti rei enii 77 Input Resolution e eeir eresse akera gereka Eea a pe 77 Analog Input Channels 00 0000 cece eee y Specifying a Single Analog Input Channel 78 Specifying One or More Analog Input Channels 78 Specifying the Digital Input Port in the Analog Input Channel List 223524 et erre Re HERR REPAIR 79 Specifying Counter Timers in the Analog Input Channel List 52eneesev bere e yr emere een 79 Specifying Quadrature Decoders in the Analog Input Channel List scsi seat RR RE EE E ere acces 80 Input Ranges isse ote e PE eda e E a 82 Input Sample Clock Sources ssseeeeuuesese 82 Analog Input Conversion Modes sss 83 Continuous Scan Mode 0 000 e eee eee 84 Input Triggers eo oss a sso tee Gilead RES EPOR RP T 85 Data Format and Transfer 000 eee eens 86 Error Conditions 2kerxu 44nd ns ER RC X ens 87 Analog Output Features se ee 88 Ou
39. 6 Series Modules Analog Module Analog Inputs Outputs Packaging DT9836 12 2 OEM 12 single ended 2 OEM DT9836 12 2 BNC 12 single ended 2 BNC DT9836 12 0 OEM 12 single ended 0 OEM DT9836 12 0 BNC 12 single ended 0 BNC DT9836 6 4 OEM 6 single ended 4 OEM DT9836 6 2 OEM 6 single ended 2 OEM DT9836 6 2 BNC 6 single ended 2 BNC DT9836 6 0 OEM 6 single ended 0 OEM DT9836 6 0 BNC 6 single ended 0 BNC a This 4 DAC version of the module is available in an OEM configuration only Notes e OEM packaging refers to the board level version the power supply is not included e BNC packaging refers to a connection box with BNCs for the specified number of analog inputs 2 BNCs for analog outputs if included 1 BNC for an external A D clock 1 BNC for an external DAC clock 1 BNC for an external A D trigger and 1 BNC for an external DAC trigger Overview Supported Software The following software is available for use with the DT9836 Series modules and is on the Data Acquisition OMNI CD e DT9836 Series Device Driver The device driver allows you to use a DT9836 Series module with any of the supported software packages or utilities Quick DataAcq application The Quick DataAcq application provides a quick way to get up and running using a DT9836 Series module Using this application you can verify key features of the modules display data on the screen and save data to disk
40. 92 and specify the output channels you want to update On modules with two DACs 0 is 89 Chapter 6 90 DACO 1 is DACI and 2 is the digital output port On the DT9836 6 4 module 0 to 3 correspond to DACs 0 to 3 and 4 is the digital output port You can enter a maximum of 3 entries 5 for the DT9836 6 4 in the output channel list and the channels must be in order Note that you can skip a channel in the list however if you do not want to update it For example if you want to update only DACI and the digital output port on a two DAC module specify channels 1 and 2 in the output channel list If you want to update all the DACs and the digital output port on this module specify channels 0 1 and 2 in the output channel list The channels are output in order from the first entry in the list to the last entry in the list Note The digital output port is treated like any other channel in the output channel list therefore all the clocking triggering and conversion modes supported for analog output channels are supported for the digital output port if you specify the digital output port in the output channel list Output Ranges and Gains Each DAC on the DT9836 Series module can output bipolar analog output signals in the range of 10 V Output Triggers A trigger is an event that occurs based on a specified set of conditions The DT9836 Series modules support the following output trigger sources Software trig
41. DAC clock signal that you connect to the module 91 Chapter 6 92 Output Conversion Modes DT9836 Series modules support the following conversion modes Single value operations are the simplest to use but offer the least flexibility and efficiency Use software to specify the analog output channel that you want to update and the value to output from that channel For a single value operation you cannot specify a clock source trigger source or buffer Single value operations stop automatically when finished you cannot stop a single value operation Continuous analog output operations take full advantage of the capabilities of the DT9836 Series modules In this mode you can specify an output channel list clock source trigger source buffer and buffer wrap mode Two continuous analog output modes are supported streaming and waveform generation mode These modes are described in the following subsections Note that in waveform mode each channel in the output channel list must write the same number of values use the same output clock refer to page 91 and use the same output trigger refer to page 90 Streaming Analog Output Use streaming analog output mode if you want to accurately control the period between conversions of individual channels in the output channel list refer to page 89 for information on specifying the output channel list Use software to fill the output buffer with the values that you wan
42. DATA TRANSLATION UM 21551 D DT9836 Series User s Manual Fourth Edition June 2006 Data Translation Inc 100 Locke Drive Marlboro MA 01752 1192 508 481 3700 www datatranslation com Fax 508 481 8620 E mail info datx com Copyright 2006 by Data Translation Inc All rights reserved Information furnished by Data Translation Inc is believed to be accurate and reliable however no responsibility is assumed by Data Translation Inc for its use nor for any infringements of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent rights of Data Translation Inc Use duplication or disclosure by the United States Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer software clause at 48 C F R 252 227 7013 or in subparagraph c 2 of the Commercial computer Software Registered Rights clause at 48 C F R 52 227 19 as applicable Data Translation Inc 100 Locke Drive Marlboro MA 01752 Data Translation is a registered trademark of Data Translation Inc DT Open Layers DT Open Layers for NET Class Library DataAcq SDK Data Acquisition OMNI CD DT LV Link and DTx EZ are trademarks of Data Translation Inc All other brand and product names are trademarks or registered trademarks of their respective companies Radio and Televisi
43. E Channels MaxSingleEndedChannels 60r12 0 0 0 0 0 DI Support SupportsDifferential Yes Yes Yes Yes Yes DI Channels MaxDifferentialChannels 0 20r4 1 1 1 1 Maximum Channel Gain List Depth 17 or CGLDepth 23 S3or5d 1 1 0 0 Simultaneous Sample and Hold Support SupportsSimultaneousSampleHold Yes Channel List Inhibit SupportsChannelListlnhibit a For modules with 6 analog input channels channels 0 to 5 read the analog input channels channel 6 reads all 16 bits from the DIN subsystem channels 7 to 10 read the C T channels and channels 11 to 16 read the quadrature decoder channels For modules with 12 analog input channels channels 0 to 11 read the analog input channels channel 12 reads all 16 bits from the DIN subsystem channels 13 to 16 read the C T channels and channels 17 to 22 read the quadrature decoder channels b For modules with 2 analog output channels channel 0 corresponds to DACO 1 corresponds to DAC1 and 2 corresponds to the digital output port For modules with 4 analog output channels channels 0 to 3 correspond to DACs 0 to 3 and channel 4 corresponds to the digital output port D The maximum A D CGL depth is 17 for DT9836 6 modules and 23 for DT9836 12 modules d The maximum D A CGL depth is 3 for DT9836 2 modules and 5 for the DT9836 6 4 OEM module Supported Device Driver Capabilities Gain Table 15 DT9836 Series Gain Options
44. Input 15 35 Digital Out 15 17 Digital Ground 36 Reserved 18 Digital Ground 37 Digital Ground 19 Chassis Ground Connector J2 Use connector J2 on the EP356 accessory panel to attach analog output counter timer trigger and clock signals You can access the pins on the connector J1 either by using the EP333 cable and STP37 screw terminal panel available from Data Translation or by building your own cable panel To build your own cable panel refer to Appendix A for information about the required mating connectors Table 20 lists the pin assignments for connector J2 on the EP356 panel 171 Appendix B 172 Table 20 EP356 Connector J2 Pin Assignments a Reserved on DT9836 6 0 and DT9836 12 0 Series modules b DT9836 6 4 OEM module only reserved on other modules c Analog Out 3 on DT9836 6 4 OEM module only 5 V on other modules d DT9836 6 4 OEM module only digital ground on other modules HUM Signal Description rer ace Signal Description 1 Analog Out 0 20 Analog Out 0 Return 2 Analog Out 1 21 Analog Out 1 Return 3 Analog Out 2 22 Analog Out 2 Return 4 Analog Out 3 5 V 23 Analog Out 3 Return 5 Digital Ground 24 Digital Ground 6 External DAC Clock 25 External DAC Trigger 7 External ADC Clock 26 External ADC Trigger 8 Counter 0 Clock 27 Digital Ground 9 Counter 0 Out 28 Counter 0 Gate 10 Counter 1 Clock 29 Digita
45. Input logic load 1 LVTTL 2 2 KQ pull up to 3 3 V 2 0 V minimum 0 8 V maximum 25 uA maximum 0 25 mA maximum Minimum pulse width High 25 ns Low 25 ns Triggering modes Single scan Yes Continuous scan Yes Triggered scan No 148 Specifications Table 8 lists the specifications for the internal A D and D A clocks on the DT9836 Series modules Table 8 Internal A D and D A Clock Specifications Feature Specifications Reference frequency 36 MHz Divisor range 3 to 4 294 967 295 Usable range A D clock 0 00838 Hz to 225 kHz D A clock 0 00838 Hz to 500 kHz Table 9 lists the specifications for the external A D and D A clocks on the DT9836 Series modules Table 9 External A D and D A Clock Specifications Feature Specifications Input type Edge sensitive rising or falling edge programmable Logic family LVTTL Inputs Input logic load 1 LVTTL Input termination 2 2 kQ pull up to 3 3 V High input voltage 2 0V Low input voltage 0 8 V Low input current 1 2 mA Oscillator frequency DC to 225 kHz A D DC to 500 kHz D A Minimum pulse width High 25 ns Low 25 ns 149 Appendix A 150 Table 10 lists the power physical and environmental specifications for the DT9836 Series modules Table 10 Power Physical and Environmental Specifications Feature Specifications Power 5 V 5 2 A maxim
46. OOOQ Pin 1 Pin 19 Figure 31 Orientation of the Pins for Connectors J1 and J2 of the EP356 Panel 169 Appendix B Connector J1 Use connector J1 on the EP356 accessory panel to attach digital I O signals You can access the pins on the connector J1 either by using the EP333 cable and STP37 screw terminal panel available from Data Translation or by building your own cable panel To build your own cable panel refer to Appendix A for information about the required mating connectors Table 19 lists the pin assignments for connector J1 on the EP356 panel Table 19 EP356 Connector J1 Pin Assignments ASTE Signal Description Mm Signal Description 1 Digital Input 0 20 Digital Out 0 2 Digital Input 1 21 Digital Out 1 3 Digital Input 2 22 Digital Out 2 4 Digital Input 3 23 Digital Out 3 5 Digital Input 4 24 Digital Out 4 6 Digital Input 5 25 Digital Out 5 7 Digital Input 6 26 Digital Out 6 8 Digital Input 7 27 Digital Out 7 9 Digital Input 8 28 Digital Out 8 10 Digital Input 9 29 Digital Out 9 11 Digital Input 10 30 Digital Out 10 12 Digital Input 11 31 Digital Out 11 13 Digital Input 12 32 Digital Out 12 14 Digital Input 13 33 Digital Out 13 170 Connector Pin Assignments Table 19 EP356 Connector J1 Pin Assignments cont PR Signal Description NH Signal Description 15 Digital Input 14 34 Digital Out 14 16 Digital
47. Size 115 formatting data analog input 86 analog output 95 frequency base clock 122 external A D clock 83 external C T clock 101 external DAC clock 91 internal A D clock 82 122 internal A D sample clock 122 internal C T clock 100 122 internal DAC clock 91 internal retrigger clock 117 output pulse 107 Index frequency measurement 56 105 testing 70 G gain actual available 119 analog output 90 number of 119 programmable 119 gate type 101 high edge 124 high level 123 internal 123 low edge 124 low level 123 gate falling edge type 124 gate rising edge type 124 generating pulses 107 108 109 ground 177 H hardware features 16 help online 63 high edge gate type 124 high level gate type 123 hot swapping 36 I index mode 111 inprocess buffers 116 input channels 77 configuration single ended 50 ranges 82 resolution 77 sample clock sources 82 installing the Quick DataAcq application 63 installing the software 29 internal clock 100 122 gate type 123 interrupt driven operations 124 interrupt on change 99 115 interrupts 115 isolation 177 J J2 connector pin assignments EP356 48 OEM version 155 J3 connector pin assignments OEM version 157 L LabVIEW 20 LED 37 38 lines digital I O 97 low edge gate type 124 low level gate type 123 M MaxDifferentialChannels 118 MaxExtClockDivider 122 MaxFrequency 122 MaxMultiScanCount 117 MaxRetriggerFreq 117 MaxSingleEndedChannels 118
48. T9836 12 DT9836 6 C T 0 LOW Lower 16 bits 0 to 15 of C T O Channel 13 Channel 7 C T 0 HI Upper 16 bits 16 to 31 of C TO Channel 14 Channel 8 C T 1 LOW Lower 16 bits of C T 1 Channel 15 Channel 9 C T 1 HI Upper 16 bits of C T 1 Channel 16 Channel 10 The counter timer channel is treated like any other channel in the analog input channel list therefore all the clocking triggering and conversion modes supported for analog input channels are supported for the counter timers if you specify them this way Specifying Quadrature Decoders in the Analog Input Channel List The DT9836 Series modules allow you to read the value of the 32 bit quadrature decoders using the analog input channel list This feature is particularly useful when you want to correlate the timing of analog and quadrature decoder values To read a quadrature decoder channel specify the appropriate channel number in the analog input channel list refer to Table 8 on page 81 You can enter a channel number anywhere in the list Principles of Operation You need two channel list entries to read one 32 bit counter value The first entry stores the lower 16 bit word and the second entry stores the upper 16 bit word You must specify both channel list entries if you include a counter timer channel Table 8 lists the channel number s to use for each counter timer Table 8 Using Quadrature Decoders in the Analog Input Channel List
49. T9836 Series module Input resolution described below Analog input channels described below Input ranges described on page 82 Input sample clock sources described on page 82 Analog input conversion modes described on page 83 Input triggers described on page 85 e Data format and transfer described on page 86 Error conditions described on page 87 Input Resolution Input resolution is fixed at 16 bits you cannot specify the resolution in software 6 Analog Input Channels The following modules support 12 analog input channels numbered 0 to 11 DT9836 12 2 OEM DT9836 12 2 BNC DT9836 12 0 OEM and DT9836 12 0 BNC These modules support 6 analog input channels numbered 0 to 5 DT9836 6 4 OEM DT9836 6 2 OEM DT9836 6 2 BNC DT9836 6 0 OEM and DT9836 6 0 BNC 77 Chapter 6 78 You can connect the analog input channels in single ended mode In this mode the source of the input should be close to the module and all the input signals are referred to the same common ground The BNC connection box is shipped in a single ended channel configuration Note To maintain simultaneous operation all analog input connections must have the same lead lengths Do not use the STP37 screw terminal panel with the analog input subsystem The DT9836 Series modules can acquire data from a single analog input channel or from a group of analog input channels The following subsections describe how to specify
50. Ver 2 0 or Ver 1 1 bus The key hardware features of the DT9836 Series modules are as follows Available either installed in a metal BNC connection box or as a board level OEM version that you can install in your own custom application Simultaneous operation of analog input analog output digital I O and counter timer subsystems Analog input subsystem 16 bit A D converters Throughput rate up to 225 kSamples s Either 12 or 6 single ended separate simultaneous analog input channels The number of channels provided depend on the model you purchase Input ranges of 10 and 45 V 17 or 23 location channel list You can read digital inputs the two 32 bit counters and the three 32 bit quadrature decoders using the A D subsystem and the A D clock This synchronizes digital counter and quadrature decoder inputs with the analog measurements The maximum sampling rate when using the channel list is 225 kSamples s Analog output subsystem Two or four 16 bit D A converters if your module includes D A converters Output rate up to 500 kSamples s Output range of 10 V The DACs are deglitched to prevent noise from interfering with the output signal Overview Output channel list You can cycle through the output channel list using continuous output mode or waveform generation mode Digital I O subsystem One digital input port consisting of 16 digital input lines You can program any of the f
51. Yes Positive Threshold Trigger Support SupportsPosThresholdTrigger Yes Negative Threshold Trigger Support SupportsNegThresholdTrigger Digital Event Trigger Support SupportsDigitalEventTrigger 121 Chapter 7 122 Clocks Table 19 DT9836 Series Clock Options DT9836 Series A D D A DIN DOUT C T QUAD Internal Clock Support SupportsinternalClock Yes Yes Yes Yes External Clock Support SupportsExternalClock Yes Yes Yes Simultaneous Input Output on a Single Clock Signal SupportsSimultaneousClocking Yes Yes Base Clock Frequency BaseClockFrequency 36 MHz 36 MHz 0 0 36 MHz 36 MHz Maximum Clock Divider 2 147 2 147 MaxExtClockDivider 0 0 1 1 483 647 483 647 Minimum Clock Divider MinExtClockDivider 0 0 1 1 2 2 Maximum Frequency MaxFrequency 225 kHz 500 kHz 0 0 18 MHz 18 MHz Minimum Frequency 0 0084 10 0084 0 0084 0 0084 MinFrequency Hz Hz 0 0 Hz Hz Supported Device Driver Capabilities Counter Timers Table 20 DT9836 Series Counter Timer Options DT9836 Series A D D A DIN DOUT C T QUAD Cascading Support SupportsCascading Event Count Mode Support SupportsCount Yes Generate Rate Mode Support SupportsRateGenerate Yes One Shot Mode Support SupportsOneShot Yes Repetitive One Shot Mode Support SupportsOneShotRepeat Yes Up Down Counting Mode Support SupportsUpDown Yes
52. able 9 DT9836 Series Subsystems DT9836 Series A D D A DIN DOUT C T Total Subsystems on Module 1 1 or 22 1 1 2 QUAD a If your module doesn t support D A there is still one subsystem element 0 for the analog threshold trigger If your module does support D A subsystem element 0 contains the analog output channels and element 1 is used for the analog threshold trigger The tables in this chapter summarize the features available for use with the DT Open Layers for NET Class Library and the DT9836 Series modules The DT Open Layers for NET Class Library provides properties that return support information for specified subsystem capabilities The first row in each table lists the subsystem types The first column in each table lists all possible subsystem capabilities A description of each capability is followed by the property used to describe that capability in the DT Open Layers for NET Class Library Note Blank fields represent unsupported options For more information refer to the description of these properties in the DT Open Layers for NET Class Library online help or DT Layers for NET Class Library User s Manual Open Supported Device Driver Capabilities Data Flow and Operation Options Table 10 DT9836 Series Data Flow and Operation Options DT9836 Series Single Value Operation Support SupportsSingleValue A D Yes D A Yes Yes
53. alog Input Pestulee o av ade EERIERS HET EE 77 Analog Output Features sd sen eee e i e eee 88 Digital L O Featutes 20 c5 ecc bene Ree eee een 97 Counter Timer Features fece mede 99 Quadrature Decoder Features llle 110 75 Chapter 6 Figure 19 shows a block diagram of the DT9836 Series modules Synchronous Simultaneous A Ds Analog Isolated Ino 16 Bit Power ADC USB 2 0 Interface Y r e e 45V 15V e e e e e e pes 500 V Isolation 16 Bit Barrier h gt pee id Synchronous FIFO 16 Bit is Digital In r D A Analog 15 0 16 Bit 16 Bit Cuts p gt Digital M D A Ande In l5 Out2 B Output mt FIFO Analog Clock 1 0 16 Bit Out A od 2 32 Bit IA _ Analog ate 1 0 Counter Outo gt Timers pp bs Out 1 0 Digital pe Out Digital Encoder 0 aa croosr guage ee Encoder 2 InputClock Ext A D Trig pies M A Ext A D Cik p He ogic Ext D A Trig OutputClock Ext D A Clk gt Figure 19 Block Diagram of the DT9836 Series Modules 76 Principles of Operation Analog Input Features This section describes the following features of analog input A D operations on the D
54. application by pressing F1 from any view or selecting the Help menu If the system has trouble finding the help file navigate to C Program FilesN Data TranslationNWin32 dtdataacq hlp where C is the letter of your hard disk drive 63 Chapter 5 Testing Single Value Analog Input To verify that the module can read a single analog input value do the following 1 Connect a voltage source such as a function generator to analog input channel 0 on the DT9836 Series module Refer to page 50 for an example of how to connect an analog input 2 Inthe Quick DataAcq application choose Single Analog Input from the Acquisition menu 3 Select the appropriate DT9836 Series module from the Board list box 4 Inthe Channel list box select analog input channel 0 5 Inthe Range list box select the range for the channel The default is 10 V 6 Select Single Ended 7 Click Get to acquire a single value from analog input channel 0 The application displays the value on the screen in both text and graphical form 64 Verifying the Operation of a Module Testing Single Value Analog Output To verify that the module can output a single analog output value do the following 1 Connect an oscilloscope or voltmeter to analog output channel 0 on the module Refer to page 51 for an example of how to connect analog output signals In the Quick DataAcq application choose Single Analog Output from the Control menu Se
55. at Reader smooths text and monochrome images sometimes resulting in blurry images If you wish you can turn smoothing off by clicking File and then Preferences General and unchecking Smooth Text and Images 31 Chapter 2 32 Setting Up and Installing the Module Applying Power to the Module ssssesseess da Attaching Modules to the Computer 36 Configuring the DT9836 Series Device Driver 40 Chapter 3 Prepare to Use the Module see Chapter 2 starting on page 25 Set Up and Install the Module this chapter Wire Signals to the BNC Connection Box see Chapter 4 starting on page 41 C Verify the Operation of the Module N see Chapter 5 starting on page 61 E Note The DT9836 Series module is factory calibrated If you decide that you want to recalibrate the analog input or analog output circuitry refer to the instructions in Chapter 9 34 Setting Up and Installing the Module Applying Power to the Module The BNC connection box is shipped with an EP361 5V power supply and cable For the OEM version of the DT9836 Series module you must provide your own 5 V power source or purchase the EP361 power supply and cable from Data Translation To apply power to the module do the following 1 Connect the 5 V power supply to the power connector on the DT9836 Series module Refer to Figure 2 EP361 5 V Power Con
56. at occur on the Counter 0 Clock input P Counter 0 Clock Signal Source Digital Ground Hd o Cc D sub Pins Figure 12 Connecting Counter Timer Signals to the D sub Pins for an Event Counting Operation Without Using a Gate 54 Wiring Signals to the BNC Connection Box Up Down Counting Note To use up down counting mode you need the latest version of DT Open Layers Figure 13 shows how to connect counter timer signals to the CT Enc In Analog Output CIk Trig D sub pins to perform an up down counting operation on counter timer 0 The counter keeps track of the number of rising edges that occur on the Counter 0 Clock input The counter increments when the Counter 0 Gate signal is high and decrements when the Counter 0 Gate signal is low Counter 0 Gate 28 Up Down Signal Counter 0 Clock S D8 Source u 5 Digital Ground D sub Pins Figure 13 Connecting Counter Timer Signals to the D sub Pins for an Up Down Counting Operation 55 Chapter 4 Frequency Measurement One way to measure frequency is to connect a pulse of a known duration such as a one shot output of counter timer 1 to the Counter 0 Gate input Figure 14 shows how to connect counter timer signals to the CT Enc In Analog Output CIk Trig D sub pins In this case the frequency of the Counter 0 clock input is the number of counts divided by the period of the C
57. cifications for the A D subsystem on the DT9836 Series modules Table 3 A D Subsystem Specifications Feature Specifications Number of analog input channels 6 or 12 single ended Simultaneous Resolution 16 bits Range 10 V x5 V Throughput per channel 225 kSamples s Channel bandwidth 2 5 MHz to 3 dB point Sample and hold Aperture uncertainty 1ns Aperture delay 35 ns Aperture match 5ns Gain match 0 01596 Zero match t1 5mV System accuracy to of FSR Gain 1 0 015 Bipolar input range 10V 5V Data encoding Offset binary Maximum input voltage without damage Power on 30 V Power off 20 V Input impedance 100 MQ 10 pF Input bias current 1 nA Integral nonlinearity 0 015 Differential nonlinearity 0 003 Specifications Table 3 A D Subsystem Specifications cont Feature Specifications Inherent quantizing error 1 2 LSB Drift Zero 25 uV C Gain 50 ppm of FSR C ESD protection Arc 8kV Contact 4 kV a The the number of channels available depends on the model you purchase 143 Appendix A Table 4 lists the specifications for the D A subsystem on the DT9836 Series modules Table 4 D A Subsystem Specifications Feature Specifications Number of analog output channels 0 2 or 4 Simultaneous Resolution 16 bits Settling t
58. connection box provides two counter timer channels that you can use to perform the following operations Eventcounting Up down counting Frequency measurement Pulse width period measurement Edge to edge measurement Pulse output continuous one shot and repetitive one shot This section describes how to connect counter timer signals Refer to Chapter 6 for more information about using the counter timers Event Counting Figure 11 shows how to connect counter timer signals to the CT Enc In Analog Output Clk Trig D sub pins to perform an event counting operation on counter timer 0 using an external gate The counter counts the number of rising edges that occur on the Counter 0 Clock input when the Counter 0 Gate signal is in the active state as specified by software Refer to Counter Timer Operation Modes on page 103 for more information 53 Chapter 4 External Gating Switch zn Digital Ground Counter 0 Gate D 24 qp 28 Counter 0 Clock D8 Signal Source Digital Ground D 5 D sub Pins Figure 11 Connecting Counter Timer Signals to the D sub Pins for an Event Counting Operation Using an External Gate Figure 12 shows how to connect counter timer signals to the CT Enc In Analog Output CIk Trig D sub pins to perform an event counting operation on counter timer 0 without using a gate The counter counts the number of rising edges th
59. ction box contains both BNC connectors and 37 pin D sub connectors An example of a BNC connection box is shown in Figure 5 DAC Ch0 DAC Clock 9 Q 2 O ME DAC Chi AD Clock 9 S lt C lt ADCh6 ADCh7 ADCh8 ADCh9 AD Ch10 ADCh11 DAC Trig a E E 2 ADChO ADChi ADCh2 ADCh3 ADCh4 ADCh5 AD Trig 9 Figure 5 BNC Connection Box You can wire signals to the BNC connection box as follows Refer to Appendix A for information about the required D sub mating connectors if you choose to use the D sub connectors Analog input signals You can wire analog input signals using the BNC connectors labelled AD Ch0 to AD Ch11 Analog output signals You can wire analog output signals if your DT9836 model supports them in one of the following ways Using the BNC connectors labelled DAC Ch0 to DAC Ch1 Wiring Signals to the BNC Connection Box Using the appropriate pins on the CT Enc In Analog Output Clk Trig connector You can access the pins by building your own cable panel Refer to page 48 for connector pin assignments Digital I O signals To wire digital I O signals you must use the appropriate pins on the Digital I O connector You can access the pins by building your own cable panel Refer to page 47 for connector pin assignments e Counter timer signals To wire
60. cy of the Counter n Out signal Refer to page 100 for more information about the C T clock sources Using software specify the counter timer mode as rate generation rate the C T clock source as either internal or external the clock divider for an internal clock the polarity of the output pulses high to low transition or low to high transition the duty cycle of the output pulses and the active gate type low level or high level Refer to page 102 for more information about pulse output signals and to page 101 for more information about gate types Make sure that the signals are wired appropriately Refer to Period Pulse Width Measurement on page 56 for an example of connecting a rate generation application One Shot Use one shot mode to generate a single pulse output signal from the Counter n Out line when the specified edge is detected on the Counter n Gate signal You can use this pulse output signal as an external digital TTL trigger to start other operations such as analog input or analog output operations After the single pulse is output the one shot operation stops All subsequent clock input signals and gate input signals are ignored The period of the output pulse is determined by the C T clock source either internal using a clock divider or external Note that in one shot mode the internal C T clock is more useful than an external C T clock refer to page 100 for more information about the C T clock sourc
61. d all peripherals 2 From the Windows Start menu select Settings Control Panel 3 From the Control Panel double click Open Layers Control Panel The Data Acquisition Control Panel dialog box appears 4 Click the DT9836 Series module that you want to configure and then click Advanced The Configurable Board Options dialog box appears 5 Ifrequired select the digital input line s that you want to use for interrupt on change operations When any of the selected lines changes state the module reads the entire 16 bit digital input value and generates an interrupt 6 Click OK 7 If you want to rename the module click Edit Name enter a new name for the module and then click OK The name is used to identify the module in all subsequent applications 8 Repeat steps 4 to 7 for the other modules that you want to configure 9 When you are finished configuring the modules click Close Continue with the instructions on wiring in Chapter 4 starting on page 41 Wiring Signals to the BNC Connection Box Preparing to Wine ipnals 3 a5 hes eR Ere REY 43 Connecting Analog Input Signals 00 50 Connecting Analog Output Signals 51 Connecting Digital 1 0 Signals 222 oer 52 Connecting Counter Timer Signals 006 53 Connecting Quadrature Decoder Signals Lu 60 41 Chapter 4 42 C Prepare to Use a Module see Chapter 2 starting on page
62. d mating connectors Table 18 lists the pin assignments for connector J2 on the EP353 accessory panel 167 Appendix B 168 Table 18 EP353 Connector J2 Pin Assignments a Reserved on DT9836 6 Series modules HUM Signal Description ner ace Signal Description 1 Analog In 0 20 Analog In 6 2 Analog In 1 21 Analog In 7 3 Analog In 2 22 Analog In 8 4 Analog In 3 23 Analog In 92 5 Analog In 4 24 Analog In 10 6 Analog In 5 25 Analog In 11 7 Reserved 26 Reserved 8 Reserved 27 Reserved 9 Reserved 28 Reserved 10 Reserved 29 Reserved 11 Reserved 30 Reserved 12 Reserved 31 Reserved 13 Reserved 32 Reserved 14 Reserved 33 Reserved 15 Reserved 34 Reserved 16 Reserved 35 Reserved 17 Reserved 36 Analog Ground 18 5 V Analog 37 Digital Ground 19 Chassis Ground Connector Pin Assignments EP356 Accessory Panel Connectors To attach an EP356 accessory panel to the OEM version of the DT9836 Series module plug the EP356 panel into connector J3 on the module as shown in Figure 30 EP356 Accessory Panel 37 Pin Connector J1 OEM Version of DT9836 Series Module 37 Pin Connector J2 Connector J2 Conn ctor J3 Figure 30 Connecting the EP356 Panel to the OEM Module Figure 31 shows the orientation of the pins for connectors J1 and J2 on the EP356 panel Pin 20 Pin 37 OOOOOOOOOOOOOOOOOO OOOOOOOOOOOOOOO
63. d then stops all subsequent triggers are ignored In an abrupt stop the module stops outputting samples immediately all subsequent triggers are ignored 93 Chapter 6 Waveform Generation Use waveform generation mode if you want to output a waveform repetitively Note The waveform pattern size must be the same for all output channels and the total number of samples must be a multiple of the total number of output channels Use software to fill the output buffer with the values that you want to write to the channels in the output channel list For example if your output channel list contains only DACO and the digital output port specify the values in the output buffer as follows the first output value for DACO the first output value for the digital output port the second output value for DACO the second output value for the digital output port and so on When it detects a trigger the host computer transfers the entire waveform pattern to the module and the module starts writing output values to the output channels as determined by the output channel list A single buffer is output repeatedly Use software to allocate the memory and specify the waveform pattern To select waveform generation mode use software to specify the following parameters Specify the data flow as Continuous Specify WrapSingleBuffer as True to use a single buffer Specify the trigger source as any of the supported trigger source
64. e aided veto Ie Hee eet 126 Technical Support 1e ib de bene t E Re CREER hee 130 If Your Module Needs Factory Service a o cocco rices ias 131 125 Chapter 8 126 General Checklist Should you experience problems using a DT9836 Series module do the following 1 Read all the documentation provided for your product Make sure that you have added any Read This First information to your manual and that you have used this information Check the Data Acquisition OMNI CD for any README files and ensure that you have used the latest installation and configuration information available Check that your system meets the requirements stated in Chapter 2 Check that you have installed your hardware properly using the instructions in Chapter 3 Check that you have installed and configured the device driver properly using the instructions in Chapter 3 Check that you have wired your signals properly using the instructions in Chapter 4 Search the DT Knowledgebase in the Support section of the Data Translation web site at www datatranslation com for an answer to your problem If you still experience problems try using the information in Table 21 to isolate and solve the problem If you cannot identify the problem refer to page 130 Troubleshooting Table 21 Troubleshooting Problems Symptom Possible Cause Possible Solution Module is not You plugged the From the Control Panel gt System gt recogni
65. e to the USB port on the module 3 Attach the other end of the USB cable to one of the USB ports on the host computer as shown in Figure 3 The operating system automatically detects the USB module and starts the Found New Hardware wizard DT9836 Series Power Cable Module USB Ports c q rau A Host Computer Figure 3 Attaching the Module to the Host Computer 4 Click Next and or Finish as required in the wizard Once the firmware is loaded the wizard restarts to initiate the firmware to accept commands Click Next and or Finish again If the power supply and module are attached correctly the LED turns green 5 Repeat the steps to attach another DT9836 Series module to the host computer if desired 37 Chapter 3 38 Connecting to an Expansion Hub Expansion hubs are powered by their own external power supply Theoretically you can connect up to five expansion hubs to a USB port on the host computer However the practical number of DT9836 Series modules that you can connect to a single USB port depends on the throughput you want to achieve Each of the hubs supports up to four modules To connect multiple DT9836 Series modules to an expansion hub do the following 1 2 Make sure that you have attached a power supply to the module Attach one end of the USB cable to the module and the other end of the USB cable to an expansion hub
66. er 29 External DAC Clock 63 External DAC Trigger 30 Digital Ground 64 Digital Ground 31 Analog Out 3 5 V gt 65 Analog Out 3 Return 32 Analog Out 22 66 Analog Out 2 Return 33 Analog Out 1 67 Analog Out 1 Return 34 Analog Out 0 68 Analog Out 0 Return a Analog Out 3 on DT9836 6 4 OEM module only 5 V on other modules b Connected to J2 pin 1 except on DT9836 6 4 module maximum 500ma avail able from these two pins combined c DT9836 6 4 OEM module only digital ground on other modules d DT9836 6 4 OEM module only reserved on other modules e Reserved on DT9836 6 0 and DT9836 12 0 Series modules Connector Pin Assignments OEM Wiring Methods You can connect signals directly through the J2 and J3 connectors on the OEM version of the DT9836 Series module or you can connect signals using the connectors and screw terminals on the following accessories EP353 This accessory panel plugs into connector J2 of the OEM version of the DT9836 Series module It provides one 37 pin D sub connector for attaching analog input signals and one 26 pin connector for attaching a AC1315 cable 5B Series signal conditioning backplane Refer to page 165 for more information about attaching the EP353 to the OEM version of the DT9836 Series module and for information about the connector pin assignments e EP356 This accessory panel plugs into connector J3 of the OEM version of the DT9836 Series module It provides two
67. er 4 starting on page 41 Verify the Operation of the Module this chapter You can verify the operation of a DT9836 Series module using the Quick DataAcq application Quick DataAcq lets you do the following Acquire data from a single analog input channel or digital input port Acquire data continuously from one or more analog input channels using an oscilloscope strip chart or Fast Fourier Transform FFT view Measure the frequency of events Output data from a single analog output channel or digital output port Output pulses either continuously or as a one shot Savethe input data to disk 62 Verifying the Operation of a Module Installing the Quick DataAcq Application The Quick DataAcq application is installed automatically when you install the driver software See Installing the Software on page 29 Running the Quick DataAcq Application To run the Quick DataAcq application do the following 1 Ifyou have not already done so power up your computer and any attached peripherals 2 Click Start from the Task Bar 3 Browse to Programs Data Translation Inc DT Open Layers for Win32 QuickDataAcq The main menu appears Note The Quick DataAcq application allows you to verify basic 5 operations on the board however it may not support all of the board s features For information on each of the features provided use the online help for the Quick DataAcq
68. es Using software specify the counter timer mode as one shot the clock source as internal recommended the clock divider the Principles of Operation polarity of the output pulse high to low transition or low to high transition and the active gate type rising edge or falling edge Refer to page 102 for more information about pulse output types and to page 101 for more information about gate types Note In the case of a one shot operation a duty cycle of 100 is set automatically Make sure that the signals are wired appropriately Refer to Period Pulse Width Measurement on page 56 for an example of connecting a one shot application Repetitive One Shot Use repetitive one shot mode to generate a pulse output signal from the Counter n Out line whenever the specified edge is detected on the Counter n Gate signal You can use this mode to clean up a poor clock input signal by changing its pulse width and then outputting it The module continues to output pulses until you stop the operation Note that any Counter n Gate signals that occur while the pulse is being output are not detected by the module The period of the output pulse is determined by the C T clock source either internal using a clock divider or external Note that in repetitive one shot mode the internal C T clock is more useful than an external clock refer to page 100 for more information about the C T clock sources Using software speci
69. es in more detail Event Counting Use event counting mode if you want to count the number of rising edges that occur on the Counter n Clock input when the Counter n Gate signal is active low level or high level Refer to page 101 for information about specifying the active gate type You can count a maximum of 4 294 967 296 events before the counter rolls over to 0 and starts counting again Using software specify the counter timer mode as event counting count the C T clock source as external and the active gate type as low level or high level Make sure that the signals are wired appropriately Refer to Event Counting on page 53 for an example of connecting an event counting application Up Down Counting Use up down counting mode if you want to increment or decrement the number of rising edges that occur on the Counter n Clock input depending on the level of the Counter n Gate signal If the Counter n Gate signal is high the C T increments if the specified gate signal is low the C T decrements 104 Principles of Operation Using software specify the counter timer mode as up down counting up down and the C T clock source as external Note that you do not specify the gate type in software Make sure that the signals are wired appropriately Refer to Up Down Counting on page 55 for an example of connecting an up down counting application Note Initialize the counter timer so that the C T never
70. escribed in Chapter 3 Standby mode is enabled on your PC For some PCs you may need to disable standby mode on your system for proper USB 2 0 operation Consult Microsoft for more information 129 Chapter 8 Technical Support If you have difficulty using a DT9836 Series module Data Translation s Technical Support Department is available to provide technical assistance To request technical support go to our web site at http www datatranslation com and click on the Support link When requesting technical support be prepared to provide the following information Your product serial number The hardware software product you need help on The version of the OMNI CD you are using Your contract number if applicable If you are located outside the USA contact your local distributor see our web site www datatranslation com for the name and telephone number of your nearest distributor 130 Troubleshooting If Your Module Needs Factory Service If your module must be returned to Data Translation do the following 1 Record the module s serial number and then contact the Customer Service Department at 508 481 3700 ext 1323 if you are in the USA and obtain a Return Material Authorization RMA If you are located outside the USA call your local distributor for authorization and shipping instructions see our web site www datatranslation com for the name and telephone
71. escription EENE Signal Description 1 Digital Input 0 20 Digital Output 0 2 Digital Input 1 21 Digital Output 1 3 Digital Input 2 22 Digital Output 2 4 Digital Input 3 23 Digital Output 3 5 Digital Input 4 24 Digital Output 4 6 Digital Input 5 25 Digital Output 5 7 Digital Input 6 26 Digital Output 6 8 Digital Input 7 27 Digital Output 7 9 Digital Input 8 28 Digital Output 8 10 Digital Input 9 29 Digital Output 9 11 Digital Input 10 30 Digital Output 10 12 Digital Input 11 31 Digital Output 11 13 Digital Input 12 32 Digital Output 12 14 Digital Input 13 33 Digital Output 13 15 Digital Input 14 34 Digital Output 14 16 Digital Input 15 35 Digital Output 15 17 Digital Ground 36 Reserved 18 Digital Ground 37 Digital Ground 19 No Connect 162 Connector Pin Assignments CT Enc In Analog Out Clk Trig Connector Figure 25 shows the orientation of the pins on the CT Enc In Analog Out Clk Trig connector on the BNC connection box Pin 1 Pin 20 B OOOOOOOOOOOOOOO0 OOOOOOOOOOOOOOO O Pin 19 Oo Pin 37 Figure 26 Orientation of the CT Enc In Analog Out Clk Trig Connector on the BNC Connection Box Table 16 lists the pin assignments for the CT Enc In Analog Out Clk Trig connector on the BNC connection box 163 Appendix B 164 Table 16 BNC Connection Box CT Enc In Analog Out CIk Trig Connector Pin Assignments
72. fy channel 6 if your module supports six analog inputs or channel 12 if your module supports 12 analog inputs in the analog input channel list You can enter channel 6 or 12 anywhere in the list The digital input port is treated like any other channel in the analog input channel list therefore all the clocking triggering and conversion modes supported for analog input channels are supported for the digital input port if you specify them this way Specifying Counter Timers in the Analog Input Channel List The DT9836 Series modules allow you to read the value of the 32 bit counter timer channels using the analog input channel list This feature is particularly useful when you want to correlate the timing of analog and counter timer events To read a counter timer channel specify the appropriate channel number in the analog input channel list refer to Table 7 on page 80 You can enter a channel number anywhere in the list 79 Chapter 6 80 You need two channel list entries to read one 32 bit counter value The first entry stores the lower 16 bit word and the second entry stores the upper 16 bit word You must specify both channel list entries if you include a counter timer channel Table 7 lists the channel number s to use for each counter timer Table 7 Using Counter Timers in the Analog Input Channel List Channel to Specify in Channel List for Counter Timer Channel Description D
73. fy the counter timer mode as repetitive one shot the polarity of the output pulses high to low transition or low to high transition the C T clock source as internal recommended the clock divider and the active gate type rising 109 Chapter 6 edge or falling edge Refer to page 102 for more information about pulse output types and to page 101 for more information about gates Note In the case of a one shot operation a duty cycle of 100 is set automatically Make sure that the signals are wired appropriately Refer to Period Pulse Width Measurement on page 56 for an example of connecting a repetitive one shot application Quadrature Decoder Features 110 The DT9836 Series modules provide three 32 bit quadrature decoders that allow simultaneous decoding of three quadrature encoded inputs Quadrature decoders may be used to provide relative or absolute position or determine rotational speed by calculating the difference between samples To specify the quadrature decoder to use in software specify the appropriate QUAD subsystem For example quadrature decoder 0 corresponds to QUAD subsystem element 0 and quadrature decoder 1 corresponds to QUAD subsystem element 1 Note If you are using the DataAcq SDK you access the quadrature decoders through the C T subsystem C T subsystem 2 corresponds to quadrature decoder 0 C T subsystem 3 corresponds to quadrature decoder 1 and C T subsystem 4 corresponds to
74. g output subsystem of a DT9836 Series module To calibrate the analog output circuitry you need to connect an external precision voltmeter to analog output channels 0 1 2 and 3 of the DT9836 Series module Do the following to calibrate the analog output circuitry 1 Select the D A Calibration tab of the DT9832 DT9836 Calibration Utility 2 Connect an external precision voltmeter to Analog Output 0 DAC Ch0 of the DT9836 Series module 3 In the DAC Output Voltage box select 9 375 V 4 Adjust the offset by entering values between 0 and 255 in the DAC 0 Offset edit box or by clicking the up down buttons until the voltmeter reads 9 375 V 5 Inthe DAC Output Voltage box select 9 375 V 6 Adjustthe gain by entering values between 0 and 255 in the DAC 0 Gain edit box or by clicking the up down buttons until the voltmeter reads 9 375 V 7 Repeatsteps 2 through 6 for Analog Outputs 1 2 and 3 DAC Ch 1 DAC Ch 2 and DAC Ch 3 of the module Note Atany time you can click Restore Factory Settings to reset the D A calibration values to their original factory settings This process will undo any D A calibration settings 139 Chapter 9 Once you have finished this procedure the analog output circuitry is calibrated To close the DT9832 DT9836 Calibration Utility click the close box in the upper right corner of the window 140 A Specifications Appendix A 142 Table 3 lists the spe
75. ge the input range of the module 10 V or 5 V The default is 10 V The display changes to reflect the selected range for all the analog input channels on the module 11 In the Trigger box select Auto to acquire data continuously from the specified channels or Manual to acquire a burst of data from the specified channels 12 Click Start from the Toolbar to start the continuous analog input Operation Verifying the Operation of a Module The application displays the values acquired from each channel in a unique color on the oscilloscope view 13 Click Stop from the Toolbar to stop the operation Testing Continuous Analog Output To verify that the module can output a continuous analog signal do the following 1 Connect an oscilloscope or voltmeter to analog output channel 0 on the module Refer to page 51 for an example of how to connect analog output signals In the Quick DataAcq application choose Wave Generator from the Control menu Select the appropriate DT9836 Series module from the Board list box In the Waveform area select Sine Change the Peak Voltage and Wave Frequency values if desired Click Start to output a waveform from analog output channel 0 The application displays the waveform in the Wave Generator window and on the attached oscilloscope or voltmeter 67 Chapter 5 68 Testing Single Value Digital Input To verify that the module can read a single digital inpu
76. ger A software trigger event occurs when you start the analog output operation Using software specify the trigger source as a software trigger Principles of Operation External digital TTL trigger An external digital TTL trigger event occurs when the DT9836 Series module detects a transition rising edge or falling edge on the signal connected to the DAC Trig BNC connector on the module Using software specify the trigger source as an external positive digital TTL trigger for a rising edge digital trigger or an external negative digital TTL trigger for a falling edge digital trigger Output Clocks DT9836 Series modules allow you to use one of the following clock sources to pace analog output operations Internal DAC clock Using software specify the clock source as internal and the clock frequency at which to pace the operation The minimum frequency supported is 0 75 Samples s the maximum frequency supported is 500 kSamples s External DAC clock An external DAC clock is useful when you want to pace conversions at rates not available with the output sample clock or when you want to pace at uneven intervals Connect an external DAC clock to the DAC Clock BNC connector on the DT9836 Series module Analog output operations start on the rising edge of the external DAC clock signal Using software specify the clock source as external The clock frequency is always equal to the frequency of the external
77. he United States call the Customer Service Department at 508 481 3700 An application engineer will guide you through the appropriate steps for replacing missing or damaged items If you are located outside the United States call your local distributor listed on Data Translation s web site www datatranslation com Once you have unpacked your module check the system requirements as described in the next section 27 Chapter 2 28 Checking the System Requirements For reliable operation your DT9836 Series module requires the following PC with Pentium 233 MHz or higher processor Windows 2000 or Windows XP Professional Edition operating system For USB Ver 2 0 support make sure that you install Service Pack 2 for Windows XP or Service Pack 4 for Windows 2000 In addition for some systems you may have to disable standby mode If you are not sure whether you are using USB Ver 1 1 or Ver 2 0 run the Open Layers Control Panel applet described on page 40 One or more USB ports Ver 2 0 or Ver 1 1 USB Ver 2 0 is strongly recommended USB Ver 1 1 will severely degrade performance 64 MB or more of RAM 128 MB or more recommended One or more CD ROM drives Super VGA 800 x 600 or higher resolution display monitor Once you have verified that your system meets the system requirements install the software as described in the next section Preparing to Use a Module Installing the Softwa
78. he following clock sources to pace analog input operations Internal A D clock Using software specify the clock source as internal and the clock frequency at which to pace the operation The minimum frequency supported is 0 75 Samples s the maximum frequency supported is 225 kSamples s According to sampling theory Nyquist Theorem specify a frequency that is at least twice as fast as the input s highest frequency component For example to accurately sample a 20 kHz signal specify a sampling frequency of at least 40 kHz Doing so avoids an error condition called aliasing in which high frequency input components erroneously appear as lower frequencies after sampling External A D clock An external A D clock is useful when you want to pace acquisitions at rates not available with the internal A D clock or when you want to pace at uneven intervals Principles of Operation Connect an external A D clock to the AD Clock BNC connector on the DT9836 Series module Conversions start on the falling edge of the external A D clock input signal Using software specify the clock source as external The clock frequency is always equal to the frequency of the external A D sample clock input signal that you connect to the module Note If you specify the digital input port and or the counter timer or quadrature decoder channels in the channel list the input sample clock internal or external also paces the acquisition of the d
79. ies depending on the version of the box that you are using For example the DT9836 12 2 BNC version shown in Figure 5 above contains 18 BNC connectors 12 BNC connectors for single ended analog inputs two BNC connectors for analog outputs and four BNC connectors for external clocks and triggers As another example the DT9836 6 2 BNC version shown in Figure 6 contains 12 BNC connectors six BNC connectors for analog inputs two BNC connectors for analog outputs and four BNC connectors for external clocks and triggers 46 DAC Ch0 DAC Clock a Q 2 DAC Chi AD Clock o S g HB DAC Trig a E E o AD Ch0 ADChi ADCh2 ADCh3 ADCh4 ADCh5 AD Trig Figure 6 DT9836 6 2 BNC Version of the BNC Connection Box Wiring Signals to the BNC Connection Box Wiring Signals to the D Sub Connectors If want to connect digital I O or counter timer signals to the BNC connection box you can use the 37 pin D sub connectors These connectors are described in the following sections Note D sub connectors are not available on the BNC connection box for analog input Digital In Out Connector The Digital In Out connector allows you to access the digital I O signals Table 5 lists the pin assignments for the Digital In Out connector on the BNC connection box Table 5 Digital In Out Connector Pin Assignments
80. igital input port counter timer and or quadrature decoder channels Analog Input Conversion Modes DT9836 Series modules support the following conversion modes Single value operations are the simplest to use Using software you specify the analog input channel The module acquires the data from the specified channel and returns the data immediately For a single value operation you cannot specify a clock source trigger source scan mode or buffer Single value operations stop automatically when finished you cannot stop a single value operation Continuous scan mode takes full advantage of the capabilities of the DT9836 Series modules For a scan you can specify a channel list clock source trigger source scan mode and buffer using software This mode is described in the following subsections Using software you can stop a scan by performing either an orderly stop or an abrupt stop In an orderly stop the module finishes acquiring the current buffer stops all subsequent acquisition and transfers the acquired data to host memory any subsequent triggers are ignored 83 Chapter 6 84 In an abrupt stop the module stops acquiring samples immediately the current buffer is not completely filled it is returned to the application only partially filled and any subsequent triggers are ignored Continuous Scan Mode Use continuous scan mode if you want to accurately control the period between successive s
81. ime to 0 0196 of FSR 2 0 us 100 mV steps 5 0 us 10 V steps Throughput 500 kSamples s per channel Slew rate 10 V us Glitch energy 12 nV s typical Output range 10 V Data encoding Offset binary Output current 5 mA maximum load Output impedance 0 1 2 maximum Capacitive driver capability 0 004 uF Protection Short circuit to analog ground Integral nonlinearity 1 0 LSB Differential nonlinearity 1 0 LSB Inherent quantizing error 1 2 LSB Error Zero Gain Adjustable to 0 Adjustable to 0 144 Specifications Table 4 D A Subsystem Specifications cont Feature Specifications Drift Zero bipolar 10 ppm of FSR C Gain 30 ppm of FSR C FIFO 128 kSamples total ESD protection Arc 8kV Contact 4 kV 145 Appendix A Table 5 lists the specifications for the DIN DOUT subsystems on the DT9836 Series modules Table 5 DIN DOUT Subsystem Specifications Feature Specifications Number of digital I O lines 32 16 in 16 out Number of ports 2 16 bits each Input termination Inputs tied to 3 3 V through 15 kQ pull up resistors Logic family LVTTL Logic sense Positive true Inputs Input type Level sensitive Input logic load High input voltage Low input voltage Low input current 1 LVTTL 2 0 V minimum 0 8 V maximum 0 4 mA ma
82. imultaneous conversions of all channels in a channel list When it detects an initial trigger the module simultaneously samples all of the input channels including the digital inputs counter timers and quadrature decoders and converts the analog inputs If the channel is included in the channel list the sampled data is placed in the allocated buffer s and the operation continues until the allocated buffers are filled or until you stop the operation Refer to page 86 for more information about buffers The conversion rate is determined by the frequency of the input sample clock refer to page 82 for more information about the input sample clock The sample rate which is the rate at which a single entry in the channel list is sampled is the same as the conversion rate due to the simultaneous nature of the module To select continuous scan mode use software to specify the data flow as Continuous and to specify the initial trigger the trigger source that starts the operation You can select a software trigger an external positive digital TTL trigger external negative digital TTL trigger or an analog threshold trigger as the initial trigger Refer to page 85 for more information about the supported trigger sources Figure 20 illustrates continuous scan mode using a channel list with three entries channel 0 channel 1 and channel 2 In this example analog input data is acquired simultaneously on all channels on each clock pul
83. increments above FFFFFFFFh or decrements below 0 Frequency Measurement Use frequency measurement mode if you want to measure the number of rising edges that occur on the Counter n Clock input over a specified duration Using software specify the counter timer mode as frequency measurement count or event counting count the clock source as external and the time over which to measure the frequency You can connect a pulse of a known duration such as a one shot output of another user counter to the Counter n Gate input signal Use software to set up the counter timers as follows 1 Setup one of the counter timers for one shot mode specifying the clock source as internal the clock frequency the gate type that enables the operation as rising edge or falling edge and the polarity of the output pulse as high to low transition or low to high transition 2 Setup the counter timer that will measure the frequency for event counting mode specifying the type of clock pulses to count and the gate type this should match the pulse output type of the counter timer set up for one shot mode 105 Chapter 6 106 3 Startboth counters pulses are not counted until the active period of the one shot pulse is generated 4 Read the number of pulses counted Allow enough time to ensure that the active period of the one shot occurred and that events have been counted 5 Determine the measurement period using the follow
84. ing equation Measurement period 1 Active Pulse Width Clock Frequency 6 Determine the frequency of the clock input signal using the following equation Frequency Measurement _Number of Events Measurement Period Edge to Edge Measurement Use edge to edge measurement mode if you want to measure the time interval between a specified start edge and a specified stop edge The start edge and the stop edge can occur on the rising edge of the Counter n Gate input the falling edge of the Counter n Gate input the rising edge of the Counter n Clock input or the falling edge of the Counter n Clock input When the start edge is detected the counter timer starts incrementing and continues incrementing until the stop edge is detected The C T then stops incrementing until it is enabled to start another measurement You can use edge to edge measurement to measure the following Pulse width of a signal pulse the amount of time that a signal pulse is in a high or a low state or the amount of time between a rising edge and a falling edge or between a falling edge and a rising edge You can calculate the pulse width as follows Pulse width Number of counts 18 MHz Principles of Operation Period of a signal pulse the time between two occurrences of the same edge rising edge to rising edge or falling edge to falling edge You can calculate the period as follows Period 1 Frequency Period Number
85. irst eight digital input lines to perform interrupt on change operations You can read the value of the digital input port using the analog input channel gain list One digital output port consisting of 16 digital output lines You can output the value of the digital output port using the output channel list Two 32 bit counter timer C T channels that perform event counting up down counting frequency measurement edge to edge measurement continuous pulse output one shot and repetitive one shot operations You can read the value of one or more of the C T channels using the analog input channel list Three 32 bit quadrature decoders that can provide relative or absolute position of quadrature encoder input and calculate rotational speed You can read the value of one or more of the quadrature decoder channels using the analog input channel list External or internal clock source Trigger operations using a software command an analog threshold value or an external digital trigger 500 V galvanic isolation barrier that prevents ground loops to maximize analog signal integrity and protect your computer 17 Chapter 1 18 The key differences among the DT9836 Series modules are summarized in Table 1 Note that all modules provide 16 digital input lines 16 digital output lines 16 bit resolution two counter timers three quadrature decoders and a throughput rate of up to 225 kSamples s Table 1 Summary of DT983
86. l Ground 11 Counter 1 Out 30 Counter 1 Gate 12 Quad Dec 0 C T 2 A 31 Digital Ground 13 Quad 0 C T 2 Index 32 Quad Dec 0 C T 2 B 14 Quad Dec 1 C T 3 A 33 Digital Ground 15 Quad 1 C T 3 Index 34 Quad Dec 1 C T 3 B 16 Quad Dec 2 C T 4 A 35 Digital Ground 17 Quad 2 C T 4 Index 36 Quad Dec 2 C T 4 B 18 Digital Ground 37 Digital Ground 19 Chassis Ground Connector Pin Assignments EP355 Screw Terminal Assignments The EP355 screw terminal panel is used with the OEM version of the DT9836 Series module on connector J3 of the module The screw terminal assignments correspond to the pin assignments on the J3 connector on the OEM version of the DT9836 Series module itself Refer to Table 13 on page 157 using the pin numbers to reference the screw terminals on the EP355 173 Appendix B 174 Ground Power and Isolation Secondary Power Connector ossis ter ene ROC es 176 Ground Power and Isolation Connections 177 175 Appendix C Secondary Power Connector The OEM version of the DT9836 Series module provides a secondary power connector which is useful for embedded applications The location of the connector is shown in Figure 32 Secondary Power Connector TB1 Primary J Power Oo 9 Connector 8 2 1 e OEM Version of LED NN DT9836 Series moe Module USB Connector O Figure 32 Secondary Power Connect
87. lect the appropriate DT9836 Series module from the Board list box In the Channel list box select analog output channel 0 In the Range list box select the output range of DACO The default is 10 V Enter an output value or use the slider to select a value to output from DACO Click Send to output a single value from analog output channel 0 The application displays the output value both on the slider and in the text box 65 Chapter 5 Testing Continuous Analog Input 66 To verify that the module can perform a continuous analog input operation do the following 1 Connect known voltage sources such as the outputs of a function generator to analog input channels 0 and 1 on the DT9836 Series module 2 Inthe Quick DataAcq application choose Scope from the Acquisition menu 3 Select the DT9836 Series module from the Board list box 4 Inthe Sec Div list box select the number of seconds per division 1 to 00001 for the display 5 Inthe Channel list box select analog input channel 1 and then click Add to add the channel to the channel list Note that by default channel 0 is included in the channel list 6 Click Config from the Toolbar 7 Inthe Config dialog select ChannelType and then select Single Ended 8 Inthe Config dialog select Range and then select Bipolar 9 Click OK to close the dialog box 10 From the Scope view double click the input range of the channel to chan
88. libration Procedure Auto calibration is the easiest to use and is the recommended calibration method To auto calibrate the analog input subsystem do the following 1 Select the A D Calibration tab of the DT9832 DT9836 Calibration Utility 2 Choose either a single channel or all channels from the Type of Calibration drop down list box in the Automatic Calibration area 3 Setthe voltage supply on your selected channel to 0 000V 4 Clickthe Auto Calibration Start button A message appears notifying you to verify that 0 000 V is applied to the channel 5 Verify that the supplied voltage to your selected channel is 0 000 V and then click OK The offset value is calibrated When the offset calibration is complete a 136 Calibration message appears notifying you to set the input voltage of the channel to 9 375 V 6 Check that the supplied voltage to your selected channel is 49 375 V and then click OK The gain value is calibrated and a completion message appears 7 If you chose to calibrate all channels then the proceeding four steps repeat for all other A D channels on the board the calibration utility prompts you to attach the precision voltage source to the next channel Follow the on screen prompts to proceed through the rest of the channels Note Atany time you can click Restore Factory Settings to reset the A D calibration values to their original factory settings This process will undo any auto or
89. ment of Communications Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la class A prescrites dans le R glement sur le brouillage radio lectrique dict par le Minist re des Communications du Canada Table of Contents About this Manual lesen 11 Intended Audience 00 0 c eee esses 11 How this Manual is Organized 00000008 12 Conventions Used in this Manual 2 00005 13 Related Information 00 0c cece eee eese 13 Where To Get Help 00 0 0 c cece cece eee eee 14 Chapter 1 Overview cece eee eee 15 DT9836 Hardware Features 0 000 anner eee neces 16 Supported Software rarere eee eee 19 Accessories esseere depd itbdddvkastheie ee ede VERA EE de 20 Getting Started Procedure esses 21 Part 1 Getting Started 23 Chapter 2 Preparing to Use a Module 25 Unpacking eee ERI BEER ER RETE Ex 27 Checking the System Requirements 28 Installing the Software 0 0 0 e eee eee eee 29 Viewing the Documentation 31 Chapter 3 Setting Up and Installing the Module 33 Applying Power to the Module ssessess 35 Attaching Modules to the Computer 36 Connecting Directly to the USB Ports 37 Connecting to an Expansion Hub
90. n assignments BNC connection box 161 EP353 165 EP356 169 170 connector TB1 pin assignments OEM version 160 Index continuous analog input post trigger 115 scan operations 84 continuous analog output 115 streaming 92 waveform generation mode 94 continuous counter timer 115 continuous digital I O 98 115 continuous edge to edge measurement mode 123 Control Panel applet 28 99 129 conversion modes analog input scan mode 83 continuous analog input scan mode 84 continuous analog output 92 digital I O 98 single value analog input 83 single value analog output 92 conversion rate 84 counter timer channels 99 118 clock sources 100 122 clock falling edge type 124 clock rising edge type 124 connecting edge to edge signals 57 connecting event counting signals 53 connecting frequency measurement signals 56 connecting period signals 56 connecting pulse output signals 58 connecting pulse width signals 56 connecting up down counting signals 55 continuous edge to edge measurement mode 123 edge to edge measurement mode 123 event counting 123 gate types 101 gate falling edge type 124 gate rising edge type 124 high edge gate type 124 high level gate type 123 high to low output pulse 123 in analog input channel list 79 internal gate type 123 interrupt driven operations 124 low edge gate type 124 low level gate type 123 low to high output pulse 123 one shot mode 123 rate generation mode 123 repetitive one shot mode
91. nector 00 00 eects 155 OEM J3 Connector 00 00 eects 157 OEM Wiring Methods 0 000000 159 OEM TB1 Connector 00 0 c eee eee eee 160 BNC Box Connectors 0 eee eee eee eee 161 Digital I O Connector 0 00 e cece 161 CT Enc In Analog Out Clk Trig Connector 163 Contents 10 EP353 Accessory Panel Connectors ssuuu 165 Connector 1 creer ree ree R Per Res 165 Conrn ctor 2 2240 c Bere be rER Y RR EE ERA 167 EP356 Accessory Panel Connectors 169 Connector Jls c secet eR Re ves 170 Connector 200 eR Re RARE ER RR er RR EERSS 171 EP355 Screw Terminal Assignments 173 Appendix C Ground Power and Isolation 175 Secondary Power Connector 00 000 0e eee eee 176 Ground Power and Isolation Connections 177 ING OX qm Oe ee es ee dees ee eee E 179 About this Manual The first part of this manual describes how to install and set up your DT9836 Series module and device driver and verify that your module is working properly The second part of this manual describes the features of the DT9836 Series modules the capabilities of the DT9836 Series Device Driver and how to program the DT9836 Series modules using the DT Open Layers for NET Class Library software Troubleshooting information is also provided Note For more information on the class lib
92. nector Power Supply DT9836 Series LED Module To wall outlet USB Port Figure 2 Attaching a 5 V Power Supply to the DT9836 Series Module 2 Plugthe power supply into a wall outlet For more detailed information about ground power and isolation connections on a DT9836 Series module refer to Appendix C starting on page 175 35 Chapter 3 Attaching Modules to the Computer This section describes how to attach DT9836 Series modules to the host computer Notes Most computers have several USB ports that allow direct connection to USB devices If your application requires more DT9836 Series modules than you have USB ports for you can expand the number of USB devices attached to a single USB port by using expansion hubs For more information refer to page 38 You can unplug a module then plug it in again if you wish without causing damage This process is called hot swapping Your application may take a few seconds to recognize a module once it is plugged back in You must install the device driver before connecting your DT9836 Series module s to the host computer See Installing the Software on page 29 36 Setting Up and Installing the Module Connecting Directly to the USB Ports To connect a DT9836 Series module directly to a USB port on your computer do the following 1 Make sure that you have attached a power supply to the module 2 Attach one end of the USB cabl
93. nnect a digital output In the Quick DataAcq application choose Digital Output from the Control menu Select the appropriate DT9836 Series module from the Board list box Click the appropriate indicator lights to select the types of signals to write from the digital output lines If you select a light the module outputs a high level signal if you do not select a light the module outputs a low level signal You can also enter an output value for the lower eight digital output lines 0 to FF in the Hex text box Click Send The values of the lower eight digital output lines are output appropriately 69 Chapter 5 70 Testing Frequency Measurement To verify that the module can perform a frequency measurement operation do the following 1 Wire an external clock source to counter timer 0 on the DT9836 Series module Refer to page 53 for an example of how to connect an external clock Note The Quick DataAcq application works only with counter timer 0 In the Quick DataAcq application choose Measure Frequency from the Acquisition menu Select the appropriate DT9836 Series module from the Board list box In the Count Duration text box enter the number of seconds during which events will be counted Click Start to start the frequency measurement operation The operation automatically stops after the number of seconds you specified has elapsed and the frequency is displayed on the screen Click S
94. on Interference This equipment has been tested and found to comply with CISPR EN55022 Class A and EN50082 1 CE requirements and also with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Changes or modifications to this equipment not expressly approved by Data Translation could void your authority to operate the equipment under Part 15 of the FCC Rules Note This product was verified to meet FCC requirements under test conditions that included use of shielded cables and connectors between system components It is important that you use shielded cables and connectors to reduce the possibility of causing interference to radio television and other electronic devices Canadian Department of Communications Statement This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Depart
95. or The pin assignments for the secondary power connector TB1 are as follows e Pin1 45V Pin2 Ground Pin 3 Shield chassis ground 176 Ground Power and Isolation Ground Power and Isolation Connections Figure 33 illustrates how ground power and isolation are connected on a DT9836 Series module The TB1 5 V connector is available from the OEM TB1 2 version of a DT9836 5V f3 Series module only 5V The 5 V connector is available from the OEM version and the BNC DGND connection box Earth GND 5 V USB used for 9 initialization only not DC for power USB USB Interface Interface Power DC DC DGNDUSB DC _ eo _ A D and D A ERN END Power 15 V AGND 15V A D and D A System Figure 33 Ground Power and Isolation Connections 177 Appendix C Keep the following in mind e Earth ground on the DT9836 module is not connected to DGND or AGND Earth ground is connected to the aluminum case of the BNC connection box You should connect earth ground to the power supply earth e You should isolate the 5V DGND input Note that the EP361 power supply shipped with the BNC connection box and available from Data Translation for the OEM version of the module has no connection between 45V DGND and earth ground The USB connector case is connected
96. ort Counter Timer Features This section describes the following features of counter timer C T operations e C T channels described below e C T clock sources described on page 100 Gate types described on page 101 Pulse types and duty cycles described on page 102 e C T operation modes described on page 103 oy C T Channels The DT9836 Series modules provide two 32 bit counter timers numbered C T 0 and 1 for general purpose applications Each general purpose counter accepts a clock input signal and gate input signal and outputs a pulse pulse output signal as shown in Figure 21 99 Chapter 6 100 Clock Input Signal internal or external c Counter _ Pulse Output Signal Gate Input Signal software or external input Figure 21 Counter Timer Channel To specify the counter timer to use in software specify the appropriate C T subsystem For example counter timer 0 corresponds to C T subsystem element 0 and counter timer 1 corresponds to C T subsystem element 1 Using software you can also specify one or more of the counter timers in the analog input channel list You need two channel list entries to read a 32 bit counter timer value The first entry stores the lower 16 bit word and the second entry stores the upper 16 bit word Refer to page 79 for more information about using C Ts in the channel list C T Clock Sources The following clock
97. ote that the BNC box automatically E connects the Analog Ground signal Olg Ole a a appropriately az lt Figure 7 Connecting Single Ended Inputs to the BNC Connection Box Wiring Signals to the BNC Connection Box Connecting Analog Output Signals Figure 8 shows how to connect an analog output voltage signal channel 0 in this case to the BNC connectors on the BNC connection box BNC Connection Box Analog Out 0 8 e Load H o DACO DACClock E ele DAC1 ADClok Q S le 9 s DACTig G Note that the BNC box automatically E connects the Analog Ground signal Q Q appropriately ADTrig o 0 Figure 8 Connecting Analog Outputs to the BNC Connector Box 51 Chapter 4 Connecting Digital I O Signals Figure 9 shows how to connect digital input signals lines 0 and 1 in this case to the Digital In Out pins gt TTL Inputs ma Figure 9 Connecting Digital Inputs to the D Sub Pins 17 Digital Ground Digital Input 1 P D 2 Digital Input 0 OD 1 D Sub pins Figure 10 shows how to connect a digital output line 0 in this case to the Digital In Out pins Figure 10 Connecting Digital Outputs to the D Sub Pins 52 D Sub pins Wiring Signals to the BNC Connection Box Connecting Counter Timer Signals The BNC
98. ounter 0 Gate input signal Counter 1 Out D 11 Counter 0 Gate C gt p 28 gt 3 Counter 0 Clock D 8 eo 5 Signal Source Digital Ground D sub Pins Figure 14 Connecting Counter Timer Signals to the D sub Pins for a Frequency Measurement Operation Using an External Pulse Period Pulse Width Measurement Figure 15 shows how to connect counter timer signals to the CT Enc In Analog Output Clk Trig D sub pins to perform a period pulse width measurement operation on counter timer 0 You specify the active pulse high or low in software The pulse width is the percentage of the total pulse period that is active Refer to Pulse Output Types and Duty Cycles on page 102 for more information about pulse periods and pulse widths 56 Wiring Signals to the BNC Connection Box a Counter 0 Clock o Signal Source Digital Ground D sub Pins Figure 15 Connecting Counter Timer Signals to the D sub Pins for a Period Pulse Width Measurement Operation Edge to Edge Measurement Note To use edge to edge measurement mode you need the latest version of DT Open Layers Figure 16 shows how to connect counter timer signals to the CT Enc In Analog Output Clk Trig D sub pins to perform an edge to edge measurement operation on two signal sources The counter measures the time interval between the start edge in this case
99. p it 95 Chapter 6 96 Note Ifa single buffer is used and the allocated output buffer is equal to or less than the size of the FIFO on the module the data is written once to the module The module recycles the data allowing you to output the same pattern continuously without any further CPU or USB bus activity Error Conditions The DT9836 Series module reports any underrun errors by sending an underrun event to the application This event indicates that data buffers are not being sent from the host to the module fast enough and so the D A converter ran out of data To avoid this error try one or more of the following Reduce the clock rate of the D A Increase the size of the buffers Increase the number of buffers Close any other applications that are running Run the program on a faster computer Principles of Operation Digital I O Features This section describes the following features of digital I O operations Digital I O lines described below Operation modes described on page 98 Digital I O Lines DT9836 Series modules support one digital input port consisting of 16 digital input lines lines 0 to 15 and one digital output port consisting of 16 digital output lines lines 0 to 15 The resolution is fixed at 16 bits You can read all 16 digital input lines or write all 16 digital output lines with a single value digital I O operation Refer to page 98 for more information about single
100. put 1 Return 3 Reserved 22 Reserved 4 Reserved 23 Reserved 5 Digital Ground 24 Digital Ground 6 External DAC Clock 25 External DAC Trigger 7 External ADC Clock 26 External ADC Trigger 48 Wiring Signals to the BNC Connection Box Table 6 CT Enc In Analog Out CIk Trig Connector cont Pin Signal Description Pin Signal Description 8 Counter 0 Clock 27 Digital Ground 9 Counter 0 Out 28 Counter 0 Gate 10 Counter 1 Clock 29 Digital Ground 11 Counter 1 Out 30 Counter 1 Gate 12 Quad Dec 0 A 31 Digital Ground 13 Quad 0 Index 32 Quad Dec 0 B 14 Quad Dec 1A 33 Digital Ground 15 Quad 1 Index 34 Quad Dec 1 B 16 Quad Dec 2A 35 Digital Ground 17 Quad 2 Index 36 Quad Dec 2 B 18 Digital Ground 37 Digital Ground 19 No Connect 49 Chapter 4 50 Connecting Analog Input Signals The BNC connection box supports voltage inputs You can connect analog input signals to a BNC connection box in single ended mode In this mode the source of the input should be close to the module and all the input signals are referred to the same common ground Figure 7 shows how to connect single ended voltage inputs channels 0 and 1 in this case to the BNC connectors on the BNC connection box BNC Connection Box Analog In 0 o Og OM Signal Source Analog In 1 E gt amp 6 lt lt N Ol OS N
101. r Conditions The DT9836 Series module reports any overrun errors by sending an overrun event to the application program This event indicates that data buffers are not being sent from the host to the module fast enough and so the A D converter ran out of buffers To avoid this error try one or more of the following Reduce the clock rate of the A D Increase the size of the buffers Increase the number of buffers Close any other applications that are running Run the program on a faster computer If one of these error conditions occurs the module stops acquiring and transferring data to the host computer 87 Chapter 6 Analog Output Features This section describes the following features of analog output operations Output resolution described below Analog output channels described below Output ranges and gains described on page 90 Output triggers described on page 90 Output clocks described on page 91 Data format and transfer described on page 95 Error conditions described on page 96 Output Resolution Input resolution is fixed at 16 bits you cannot specify the resolution in software Analog Output Channels The following modules support 2 DC level analog outputs DACO and 1 DT9836 12 2 OEM DT9836 12 2 BNC DT9836 6 2 OEM and DT9836 6 2 BNC The DT9836 6 4 OEM model supports four analog output channels DACO through DAC3 Refer to Chapter 4 and Appendix B for information about how to wire analog
102. r sensor The A and B input relationships are used to increment or decrement the positional count the Index input can be used to zero out the positional count Refer to Chapter 6 for more information about using the quadrature decoders Figure 18 shows how to connect signals from a quadrature encoder to quadrature decoder 0 using the CT Enc In Analog Output Clk Trig D sub pins Quad Dec 0 B 5 V Power d D32 Quadrature Quad Dec 0 Index Encoder gt D13 Quad Dec 0 A gt 412 Digital G d igital Groun gt D5 D sub Pins Figure 18 Connecting Quadrature Decoder Signals to the D sub Pins 60 Verifying the Operation of a Module Installing the Quick DataAcq Application 63 Running the Quick DataAcq Application 63 Testing Single Value Analog Input sssesss 64 Testing Single Value Analog Output ss sneen 65 Testing Continuous Analog Input 0 00 22 eee 66 Testing Continuous Analog Output 006 67 Testing Single Value Digital Iput erreseina 68 Testing Single Value Digital Output dd baren 69 Testing Frequency Measurement 0000 eee e eee 70 Testne Pulse ChBYWE coss eas er eee EE RERT a Meus 71 61 Chapter 5 Prepare to Use a Module see Chapter 2 starting on page 25 Set Up and Install the Module see Chapter 3 starting on page 33 Wire Signals to the BNC Connection Box see Chapt
103. rary refer to the DT Open Layers for NET Class Library User s Manual If you are using the DataAcq SDK or a software application to program your device refer to the documentation for that software for more information The DT9836 Series module is available either installed in a metal BNC connection box or as a board level OEM version that you can install in your own custom application If the information in this manual applies to all versions of the DT9836 Series module the manual uses the product name DT9836 Series module Otherwise the specific product name is mentioned Intended Audience This document is intended for engineers scientists technicians or others responsible for using and or programming the DT9836 Series modules for data acquisition operations in the Microsoft Windows 2000 or Windows XP operating system It is assumed that you have some familiarity with data acquisition principles and that you understand your application 11 About this Manual 12 How this Manual is Organized This manual is organized as follows Chapter 1 Overview describes the major features of the DT9836 Series module as well as the supported software and accessories for the modules Chapter 2 Preparing to Use a Module describes how to unpack the DT9836 Series package check the system requirements install the DT9836 Series software under Windows 2000 or Windows XP and view the DT9836 Series documentation online
104. re To install the software perform the following steps 1 Insert the Data Acquisition OMNI CD into your CD ROM or DVD drive The installation program should automatically start and the InstallShield Wizard should appear If the installation program does not automatically start double click Setup exe from the CD The InstallShield Wizard appears Click Install Drivers The installation screen appears Click Install now The InstallShield Wizard appears If your system does not have the Microsoft NET Framework 1 1 software installed the following prompt appears DT Open Layers optionally uses the Microsoft NET 1 1 Framework Would you like to install it now a Click Yes the Framework is required The Framework installation begins and the license agreement is displayed b Read the license agreement click the radio button next to I agree and then click Install c After the components have been installed click OK to configure them d Without removing your Data Acquisition OMNI CD click Restart to restart your system When the system restarts the Windows Installer dialog box appears followed by the DT Open Layers InstallShield Wizard Click Next The license agreement appears 29 Chapter 2 30 7 Read the license agreement click the radio button next to I accept the terms in the license agreement and then click Next The Destination Folder dialog box appears 8 Change the default
105. s refer to page 90 94 Principles of Operation Data Format and Transfer Data from the host computer must use offset binary data encoding for analog output signals where 0000 represents 40 V and FFFFh represents 10 V Using software specify the data encoding as binary Before you begin writing data to the output channels you must allocate and fill buffers with the appropriate data A buffer done event is returned whenever a buffer is transferred to the module This allows you to reuse that buffer and refill it with additional output data Note If WrapSingleBuffer is False we recommend that you allocate a minimum of two buffers that are even multiples of 256 samples If WrapSingleBuffer is True we recommend that you allocate a minimum of one buffer that is an even multiple of 256 samples In streaming mode data is written from multiple output buffers continuously when no more buffers of data are available the operation stops The data is gap free If the size of your buffers is less than 128K and you stop the analog output operation the operation stops after the current buffer and the next buffer have been output If a single buffer is used WrapSingleBuffer is True data is written from a single output buffer continuously when all the data in the buffer has been output the module returns to the first location of the buffer and continues outputting the data This process continues indefinitely until you sto
106. s manual Conventions Used in this Manual The following conventions are used in this manual Notes provide useful information or information that requires special emphasis cautions provide information to help you avoid losing data or damaging your equipment and warnings provide information to help you avoid catastrophic damage to yourself or your equipment Items that you select or type are shown in bold Related Information Refer to the following documents for more information on using the DT9836 Series modules Benefits of the Universal Serial Bus for Data Acquisition This white paper describes why USB is an attractive alternative for data acquisition It is available on the Data Translation web site www datatranslation com Measure Foundry Getting Started Manual UM 19298 and online help These documents describe how to use Measure Foundry to build drag and drop test and measurement applications for Data Translation data acquisition devices without programming 13 About this Manual DT Open Layers for NET User s Manual UM 22161 For programmers who are developing their own application programs using Visual C or Visual Basic NET this manual describes how to use the DT Open Layers for NET Class Library to access the capabilities or Data Translation data acquisition devices DataAcq SDK User s Manual UM 18326 For programmers who are developing their own application programs using the Microsoft
107. se of the input sample clock Data is acquired continuously Principles of Operation Chan 2 Chan 2 Chan 2 Chan 2 Chan 1 Chan 1 Chan 1 Chan 1 Chan 0 Chan 0 Chan 0 Chan 0 Input Sample Clock Data is acquired continuously Initial trigger event occurs Figure 20 Continuous Scan Mode Input Triggers A trigger is an event that occurs based on a specified set of conditions Acquisition starts when the module detects the initial trigger event and stops when either all the buffers that have been queued to the subsystem have been filled or you stop the operation The DT9836 Series module supports the following trigger sources Software trigger A software trigger event occurs when you start the analog input operation the computer issues a write to the module to begin conversions Using software specify the trigger source as a software trigger External digital TTL trigger An external digital TTL trigger event occurs when the DT9836 Series module detects a transition rising edge or falling edge on the signal connected to the AD Trig BNC connector on the module Using software specify the trigger source as an external positive digital TTL trigger for a rising edge digital trigger or an external negative digital TTL trigger for a falling edge digital trigger 85 Chapter 6 86 Analog threshold trigger An analog threshold trigger event occurs when
108. sources are available for the general purpose counter timers Internal C T clock Through software specify the clock source as internal and specify the frequency at which to pace the operation this is the frequency of the Counter n Out signal This is typically used in rate generation mode Principles of Operation e External C T clock An external C T clock is useful when you want to pace counter timer operations at rates not available with the internal C T clock or if you want to pace at uneven intervals The frequency of the external C T clock can range up to 18 MHz Connect the external clock to the Counter n Clock input signal on the DT9836 Series module Counter timer operations start on the rising edge of the clock input signal Note You typically use the external C T clock the clock connected to the Counter n Clock input signal to measure frequency event counting or to measure the time interval between edges measure mode The external C T clock is not generally used for rate generation If you specify a counter timer in the analog input channel list the A D clock determines how often you want to read the counter value Refer to page 82 for more information about the A D clock Gate Types The edge or level of the Counter n Gate signal determines when a counter timer operation is enabled DT9836 Series modules provide the following gate types None A software command enables any counter
109. t to write to the DACs and to the digital output port if applicable For example if your output channel list contains only DACO and the digital output port specify the values in the output buffer as follows the first output value for DACO the first output value for the digital Principles of Operation output port the second output value for DACO the second output value for the digital output port and so on When it detects a trigger the module starts writing the values from the output buffer to the channels specified in the output channel list The operation repeats continuously until all the data is output from the buffers Make sure that the host computer transfers data to the output channel list fast enough so that the list does not empty completely otherwise an underrun error results To select streaming analog output mode use software to specify the following parameters Specify the data flow as Continuous Specify WrapSingleBuffer as False to use multiple buffers Specify the trigger source as any of the supported trigger sources Refer to page 90 for more information about the supported trigger sources To stop a streaming analog output operation you can stop queuing buffers to the analog output subsystem letting the module stop when it runs out of data or you can perform either an orderly stop or an abrupt stop using software In an orderly stop the module finishes outputting the current buffer an
110. t value do the following 1 Connect a digital input to digital input line 0 on the DT9836 Series module Refer to page 52 for information about how to connect a digital input In the Quick DataAcq application choose Digital Input from the Acquisition menu Select the appropriate DT9836 Series module from the Board list box Click Get The application displays the entire 16 bit digital input value 0 to FFFE in both the Data box and the Digital Input box In addition application shows the state of the lower eight digital input lines lines 0 to 7 in the graphical display If an indicator light is lit red the line is high if an indicator light is not lit black the line is low Note Although the DT9836 Series modules contain 16 digital input lines the Quick DataAcq application shows indicator lights for the lower eight digital input lines only The 16 bit value is the correct value for all 16 lines Verifying the Operation of a Module Testing Single Value Digital Output Note Although the DT9836 Series modules contain 16 digital output lines the Quick DataAcq application allows you to perform a digital output operation on the lower eight digital output lines lines 0 to 7 only To verify that the module can output a single digital output value do the following 1 Connect a digital output to digital output line 0 on the DT9836 Series module Refer to page 47 for information about how to co
111. the channels Specifying a Single Analog Input Channel The simplest way to acquire data from a single analog input channel is to specify the channel for a single value analog input operation using software refer to page 83 for more information about single value operations You can also specify a single channel using the analog input channel list described in the next section Specifying One or More Analog Input Channels You can read data from one or more analog input channels using an analog input channel list Because these modules feature simultaneous sampling the order of the channels in the channel list does not matter You cannot specify the same channel more than once in the list Principles of Operation Using software specify the channels you want to sample You can enter up to 23 entries in the channel list 17 for the 6 channel version of the module including the digital input port two 32 bit counter timers and three 32 bit quadrature decoders Channels 0 11 or 0 5 are reserved for analog input Refer to page 83 for more information about the supported conversion modes Specifying the Digital Input Port in the Analog Input Channel List The DT9836 Series modules allow you to read the digital input port all 16 digital input lines using the analog input channel list This feature is particularly useful when you want to correlate the timing of analog and digital events To read the digital input port speci
112. the digital input port all 16 digital input lines as channel 6 for modules with 6 analog input channels or 12 for modules with 12 analog input channels in the analog input channel list refer to page 79 for more information The analog input sample clock internal or external paces the reading of the digital input port as well as the acquisition of the analog input counter timer and quadrature decoder channels refer to page 82 for more information Digital output For digital output operations enter the digital output port all 16 digital output lines in the output channel list use channel 2 for the two DAC modules or channel 4 for the DT9836 6 4 module Refer to page 89 for more information The analog output clock internal or external paces the update of the digital output port as well as the update of the analog output channels refer to page 91 for more information 98 Principles of Operation Interrupt on change operations You can use the Open Layers Control Panel applet to select any of the first eight digital input lines to perform interrupt on change operations Use software to set the data flow mode of the digital I O subsystem to Continuous When any one of the specified digital input lines changes state the module reads the entire 16 bit digital input value and generates an interrupt Using software you can determine which digital lines changed state and the current value of the digital input p
113. the signal on the first channel in the analog input channel list rises above low to high transition a programmable threshold level Using software specify the trigger source as a positive threshold trigger You must use analog input channel 0 as the analog trigger The analog trigger channel must be the first entry in the analog input channel list You specify the threshold level by setting the value of the D A subsystem that controls the threshold value For modules that do not have analog output channels this is D A subsystem 0 For modules that do have analog outputs this is D A subsystem 1 Specify a value between 0 and 255 where 0 equals 0 V and 255 equals 10 V Data Format and Transfer DT9836 Series modules use offset binary data encoding where 0000 represents negative full scale and FFFFh represents positive full scale Use software to specify the data encoding as binary The ADC outputs FFFFh for above range signals and 0000 for below range signals Before you begin acquiring data you must allocate buffers to hold the data A Buffer Done event is returned whenever a buffer is filled This allows you to move and or process the data as needed We recommend that you allocate a minimum of two buffers for continuous analog input operations Data is written to multiple allocated input buffers continuously when no more empty buffers are available the operation stops The data is gap free Principles of Operation Erro
114. ting procedure 126 technical support 130 troubleshooting table 127 Index TTL trigger 85 91 twos complement data encoding 117 U units counter timer 99 unpacking 27 up down counting 104 123 wiring 55 USB cable 37 38 USB expansion hub 38 V variable pulse width 123 Visual Basic for NET programs 19 Visual Basic programs 19 Visual C programs 19 Visual C programs 19 voltage ranges 82 119 number of 119 W waveform generation mode 94 wiring signals analog outputs 51 digital inputs and outputs 52 edge to edge measurement 57 event counting 53 frequency measurement 56 period measurement 56 preparing 43 pulse output 58 pulse width measurement 56 recommendations 43 single ended analog inputs 50 to the BNC connection box 44 up down counting 55 writing programs in C C 19 Visual Basic 19 Visual Basic NET 19 Visual C 19 Visual C 19 187 Index 188
115. ting started procedure E Prepare to Use the Module see Chapter 2 starting on page 25 Set Up and Install the Module see Chapter 3 starting on page 33 Wire Signals to the BNC Connection Box see Chapter 4 starting on page 41 Verify the Operation of the Module see Chapter 5 starting on page 61 Figure 1 Getting Started Flow Diagram 21 Chapter 1 22 Part 1 Getting Started Preparing to Use a Module GOD CE 27 Checking the System Requirements sese een 28 Installing e SOIDWAPB os is bs etr rr e RE eee 29 Viewing the Documentation c ecco c ee 31 25 Chapter 2 26 C Prepare to Use the Module this chapter Set Up and In stall the Module see Chapter 3 starting on page 33 Wire Signals to the BNC Connection Box see Chapter 4 st arting on page 41 C Verify the Operat ion of the Module see Chapter 5 starting on page 61 Preparing to Use a Module Unpacking Open the shipping box and verify that the following items are present e BNC connection box or OEM version of the DT9836 Series module Data Acquisition OMNI CD Note that if you purchased a BNC connection box a USB cable and an EP361 power supply and power cable should also be included Additionally the BNC box includes a 37 pin mating connector AMP 747917 2 If an item is missing or damaged contact Data Translation If you are in t
116. top to stop the frequency measurement operation Verifying the Operation of a Module Testing Pulse Output To verify that the module can perform a pulse output operation perform the following steps 1 Connecta scope to counter timer 0 on the DT9836 Series module Refer to page 58 for an example of how to connect a scope a pulse output to counter timer 0 Note The Quick DataAcq application works only with counter timer 0 2 Inthe Quick DataAcq application choose Pulse Generator from the Control menu 3 Select the appropriate DT9836 Series module from the Board list box 4 Select either Continuous to output a continuous pulse stream or One Shot to output one pulse 5 Select either Low to high to output a rising edge pulse the high portion of the total pulse output period is the active portion of the signal or High to low to output a falling edge pulse the low portion of the total pulse output period is the active portion of the signal 6 Under Pulse Width enter a percentage or use the slider to select a percentage for the pulse width The percentage determines the duty cycle of the pulse 7 Click Start to generate the pulse s The application displays the results both in text and graphical form 8 ClickStop to stop a continuous pulse output operation One shot pulse output operations stop automatically 71 Chapter 5 72 Part 2 Using Your Module Principles of Operation An
117. tput Resolution ssssss eee 88 Analog Output Channels ssssesssesse 88 Specifying a Single Analog Output Channel 89 Specifying Multiple Analog Output Channels and or the Digital Output Port 89 Output Ranges and Gains sssssssssessseee 90 Output triggers oc d aee eve bae e pene PE e hes 90 Output Clocks nr e RR ree b RR 91 Contents Output Conversion Modes ssseesesssees 92 Streaming Analog Output 0005 92 Waveform Generation 000 cee eee eee eee 94 Data Format and Transfer 0200 0c ee eee 95 Error Conditions 000 cece eee eee eee 96 Digital I O Feat r s occisos emer RR scree ees 97 Digital IJO CINES c ed entree maet s re exe eina 97 Operation Modes sss 98 Counter Timer Features 0 0 00000 e cece ee 99 C T Channels 0 0000 0 ccc ee eee eee eee 99 C T Clock Sources n nunnu ununa 100 Gate ly pes s ct ates teu abteaertraretensens 54 end 101 Pulse Output Types and Duty Cycles 102 Counter Timer Operation Modes 103 Event Counting Lsoreserenssceene be saini auai 104 Up Down Counting esses 104 Frequency Measurement 0 005s eee 105 Edge to Edge Measurement s sss 106 Rate Generation 0 0 e eee eee ee eee ee 107 One Shot ccecb ber eee eee dada REY EY nes 108 Repetitive One Shot
118. um Physical Dimensions OEM Dimensions BNC Weight OEM 190 mm x 100 mm 215 9 mm x 105 9 mm x 50 mm 4 6 ounces Environmental Operating temperature range Storage temperature range Relative humidity 0 C to 55 C 25 C to 85 C to 95 noncondensing Specifications Table 11 lists the mating cable connectors for the connectors on the BNC connection box the OEM version of the DT9836 Series module and the EP353 and EP356 accessory panels Table 11 Mating Cable Connectors Part Number on Mating Cable Module Panel Connector Module or Equivalent Connector BNC connection Analog input AMP Tyco 747375 8 AMP Tyco 747917 2 pox Digital I O AMP Tyco 747301 8 AMP Tyco 747916 2 CT DAC AMP Tyco 747301 8 AMP Tyco 747916 2 CIk Trig OEM version J2 AMP Tyco 1 104068 8 AMP Tyco 1 111196 7 J3 AMP Tyco 1 104068 8 AMP Tyco 1 111196 7 TB18 PCD Inc ELVH03500 PCD Inc ELVP03100 EP353 J1 AMP Tyco 102321 6 AMP Tyco 746288 6 nocensony Panel jp AMP Tyco 747375 8 AMP Tyco 747917 2 EP356 J1 AMP Tyco 747301 8 AMP Tyco 747916 2 BEGESSOD panel fjg AMP Tyco 747301 8 AMP Tyco 747916 2 a Secondary power connector 151 Appendix A 152 Connector Pin Assignments DEM Version Connectors occ coed Ie bes 154 BNC Box COnnectoIS cras crisa neeru eR e eI b RR eee a 161 EP353 Accessory Panel Connectors 000000005 165 EP356 Accessory
119. und 39 Analog Ground 6 Reserved 40 Reserved 7 Analog Ground 41 Analog Ground 8 Reserved 42 Reserved 9 Analog Ground 43 Analog Ground 10 Reserved 44 Reserved 11 Analog Ground 45 Analog Ground 12 Reserved 46 Reserved 13 Analog Ground 47 Analog Ground 14 Reserved 48 Reserved 15 Analog Ground 49 Analog Ground 16 Reserved 50 Reserved 17 Analog Ground 51 Analog Ground 18 Reserved 52 Reserved 155 Appendix B Table 12 Pin Assignments for Connector J2 on the OEM Version of Module cont Pin Signal Description Pin Signal Description 19 Analog Ground 53 Analog Ground 20 Reserved 54 Reserved 21 Analog Ground 55 Analog Ground 22 Reserved 56 Reserved 23 Analog Ground 57 Analog Ground 24 Analog In 5 58 Analog In 11 25 Analog Ground 59 Analog Ground 26 Analog In 4 60 Analog In 10 27 Analog Ground 61 Analog Ground 28 Analog In 3 62 Analog In 9 29 Analog Ground 63 Analog Ground 30 Analog In 2 64 Analog In 8 31 Analog Ground 65 Analog Ground 32 Analog In 1 66 Analog In 7 33 Analog Ground 67 Analog Ground 34 Analog In 0 68 Analog In 6 a Connected to J3 pin 31 except on DT9836 6 4 module maximum 500ma avail able from these two pins combined b Reserved on DT9836 6 series modules 156 Connector Pin Assignments OEM J3 Connector Table 13 lists the pin assignments for connector J3 on the OEM version of the DT9836 Series module Table 13
120. utput subsystems of DT9836 Series modules using the DT9832 DT9836 Calibration Utility 134 Calibration Using the Calibration Utility Start the DT9832 DT9836 Calibration Utility as follows 1 Ensure that you installed the software using the instructions in Chapter 2 2 Click Start from the Task Bar and then select Programs Data Translation Inc Calibration DT9836 Calibration Utility The main menu of the DT9832 DT9836 Calibration Utility appears 3 Select the module to calibrate and then click OK Once the DT9832 DT9836 Calibration Utility is running you can calibrate the analog input circuitry either automatically or manually described on page 136 or the analog output circuitry of the DT9836 Series module described on page 139 135 Chapter 9 Calibrating the Analog Input Subsystem This section describes how to use the DT9832 DT9836 Calibration Utility to calibrate the analog input subsystem of a DT9836 Series module The DT9836 Series module has separate calibration for each A D input channel You can choose to calibrate either an individual channel or all channels on the board Connecting a Precision Voltage Source To calibrate the analog input circuitry you need to connect an external 9 3750 V precision voltage source to the DT9836 Series module Connect the precision voltage source to the first channel you want to calibrate for example Analog In 0 AD Ch0 Using the Auto Ca
121. ximum Outputs Fan out High output Low output High output current Low output current 12 mA 2 0 V minimum 0 8 V maximum 12 mA maximum 12 mA maximum Interrupt on change Yes Clocked with sample clock Yes Software I O selectable No Specifications Table 6 lists the specifications for the C T subsystems on the DT9836 Series modules Table 6 C T Subsystem Specifications Feature Specifications Number of channels 5 2 C T 3 quadrature decoders Resolution 32 bits per channel Minimum pulse width minimum 55 5 ns amount of time it takes a C T to recognize an input pulse Logic family LVTTL Inputs Input logic load 1 LVTTL High input voltage Low input voltage Low input current 2 0 V minimum 0 8 V maximum 0 4 mA maximum Outputs Fan out High output Low output High output current Low output current 12 mA 2 0 V minimum 0 8 V maximum 12 mA maximum 12 mA maximum 147 Appendix A Table 7 lists the specifications for the external A D and D A triggers on the DT9836 Series modules Table 7 External A D and D A Trigger Specifications Feature Specifications Trigger sources Input termination High input voltage Low input voltage High input current Low input current Internal Software initiated External Software selectable Input type Edge sensitive Logic family LVTTL Inputs
122. y 122 179 Index 180 BaseClockFrequency 122 binary data encoding 117 BNC box connectors 161 buffers 116 inprocess flush 116 single wrap mode 116 C C C programs 19 C T see counter timer 147 cables USB 37 38 calibrating the module analog input subsystem 136 analog output subsystem 139 running the calibration utility 135 CGLDepth 118 channel list for analog input channels 78 for counter timers 79 for quadrature decoders 80 for the digital input port 79 channel type differential 118 single ended 118 channel gain list depth 118 channels analog input 77 analog output 88 counter timer 99 digital I O 97 number of 118 quadrature decoder 110 clock sources analog input 82 analog output 91 counter timer 100 quadrature decoder 112 clock falling edge type 124 clock rising edge type 124 clocks base frequency 122 external 122 internal 122 maximum external clock divider 122 maximum throughput 122 minimum external clock divider 122 minimum throughput 122 simultaneous 122 specifications 149 connecting signals analog outputs 51 digital inputs and outputs 52 edge to edge measurement 57 event counting 53 frequency measurement 56 period measurement 56 pulse output 58 pulse width measurement 56 single ended analog inputs 50 up down counting 55 connecting to the host computer 36 connector J2 pin assignments EP356 48 OEM version 155 connector J3 pin assignments OEM version 157 connector pi
123. zed module into your Hardware Device Manager uninstall computer before installing the device driver any unknown devices showing a yellow question mark Then run the setup program on your OMNI CD to install the USB device drivers and reconnect your USB module to the computer Module does not respond The module configuration is incorrect Check the configuration of your device driver see the instructions in Chapter 3 The module is damaged Contact Data Translation for technical support refer to page 130 Intermittent operation Loose connections or vibrations exist Check your wiring and tighten any loose connections or cushion vibration sources see the instructions in Chapter 4 The module is overheating Check environmental and ambient temperature consult the module s specifications on page 150 of this manual and the documentation provided by your computer manufacturer for more information Electrical noise exists Check your wiring and either provide better shielding or reroute unshielded wiring see the instructions in Chapter 4 127 Chapter 8 Table 21 Troubleshooting Problems cont Symptom Possible Cause Possible Solution Device failure The DT9836 Series Check your cabling and wiring and tighten error reported module cannot any loose connections see the communicate with the instructions in Chapter 4 Microsoft bus driver or

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