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Wiring Signals

Connecting Digital I/O Signals

Figure 11

shows how to connect digital input signals to the DT740 screw terminal panel.

Figure 11: Connecting Digital Inputs to the DT740

(Shown for Lines 0 and 1, Bank A)

Figure 12

shows how to connect a digital output signal to the DT740 screw terminal panel.

Figure 12: Connecting Digital Outputs to the DT740

(Shown for Line 0, Bank B)

TB105

Digital I/O Bank A 0

DT740 Panel

TB89

TB90

Digital I/O Bank A 1

Digital Shield

TTL Inputs

TB81

Digital I/O Bank B 0

DT740 Panel

TB97

Digital Ground

500



5 V

0 Out = LED On

Summary of Contents for Data Translation DT3034

Page 1: ...uy your excess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing R...

Page 2: ...DT3034 User s UM 22359 M Manual Title Page...

Page 3: ...ny form by any means electronic mechanical by photocopying recording or otherwise without the prior written permission of Measurement Computing Corporation Notice Measurement Computing Corporation doe...

Page 4: ...ions 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 requireme...

Page 5: ......

Page 6: ...he DT3034 Board into the Computer 29 Loading the Device Driver 30 Windows XP 30 Windows Vista 31 Windows 7 31 Chapter 3 Attaching and Configuring a Screw Terminal Panel 33 Attaching the DT740 Screw Te...

Page 7: ...ingle Value Digital Output 64 Testing Frequency Measurement 65 Testing Pulse Output 66 Part 2 Using Your Board 67 Chapter 6 Principles of Operation 69 Analog Input Features 71 Analog Input Resolution...

Page 8: ...ut Clock 88 Trigger Sources 89 Software Trigger 89 External Digital TTL Trigger 89 Analog Threshold Trigger 89 Analog Output Conversion Modes 90 Continuously Paced Analog Output 90 Waveform Generation...

Page 9: ...0 Chapter 8 Calibration 123 Calibrating the Analog Input Subsystem 125 Choosing a Calibration Reference 125 Configuring for the Internal Reference 125 Configuring for an External Reference 126 Using t...

Page 10: ...gulatory Specifications 151 Appendix B Connector Pin Assignments 153 Connector J1 on the DT3034 Board 154 Connector J2 on the DT3034 Board 156 Screw Terminal Assignments for the DT740 158 Appendix C U...

Page 11: ...Contents 10...

Page 12: ...umentation for that software for more information Intended Audience This document is intended for engineers scientists technicians or others responsible for using and or programming the DT3034 board f...

Page 13: ...al 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 damagi...

Page 14: ...to access the capabilities of Data Translation data acquisition devices PCI Specification PCI Local Bus Specification PCI Special Interest Group Portland OR Revision 2 1 June 1 1995 Microsoft Windows...

Page 15: ...About this Manual 14...

Page 16: ...15 1 Overview Features 16 Supported Software 18 Accessories 19 Getting Started Procedure 20...

Page 17: ...s a separate DAC sets the trigger level 8 bit resolution fixed hysteresis Digital TTL triggering one external hardware TTL input for the analog input subsystem and one external hardware TTL input for...

Page 18: ...grammable as part of the analog input subsystem using the DataAcq SDK Programmable gate types Programmable pulse output polarities output types and duty cycles A D Sample Clock Output and A D Trigger...

Page 19: ...ement 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 hardw...

Page 20: ...and counter timer signals provided by the DT3034 board EP307 cable A 1 meter twisted pair shielded cable that connects the 50 pin analog I O connector J1 on the DT3034 board to the J1 connector on the...

Page 21: ...e shaded area in the diagram shows you where you are in the getting started procedure Figure 1 Getting Started Flow Diagram Install the Board and Load the Device Driver see Chapter 2 starting on page...

Page 22: ...Part 1 Getting Started...

Page 23: ......

Page 24: ...Board and Loading the Device Driver Unpacking 25 Setting up the Computer 26 Setting up Expansion Slots 27 Removing the Board for Handling 28 Inserting the DT3034 Board into the Computer 29 Loading th...

Page 25: ...DT3034 board and decide later to recalibrate it refer to page 123 for instructions Install the Board and Load the Device Driver this chapter Wire Signals see Chapter 4 starting on page 39 Verify the O...

Page 26: ...slation If you are in the United States call the Customer Service Department at 508 946 5100 An application engineer will guide you through the appropriate steps for replacing missing or damaged items...

Page 27: ...ing the board in the computer 2 Turn off the computer 3 Turn off all peripherals printer modem monitor and so on connected to the computer 4 Unplug the computer and all peripherals 5 Remove the cover...

Page 28: ...EISA slots and are usually white or ivory Commonly three PCI slots one of which may be a shared ISA PCI slot are available If an ISA board exists in the shared slot you cannot use the slot for a PCI b...

Page 29: ...hand while placing your other hand firmly on a metal portion of the computer chassis 2 Carefully remove the antistatic packing material from the board It is recommended that you save the original pac...

Page 30: ...n the slot 3 When the bottom of the board contacts the bus connector gently press down on the board until it clicks into place 4 Secure the board in place at the rear panel of the system unit using th...

Page 31: ...ver for my device recommended 3 Click Specify a location and click Next 4 Browse to Windows Inf DT3034 Inf and then click Open 5 Click OK 6 Click Next The files are copied 7 Click Finish 8 Open the Co...

Page 32: ...uter or experience timing problems with your DT3034 board uncheck this box 8 When you are finished click Close Once you have finished loading the device driver perform the steps in Chapter 3 starting...

Page 33: ...Chapter 2 32...

Page 34: ...33 3 Attaching and Configuring a Screw Terminal Panel Attaching the DT740 Screw Terminal Panel 35 Configuring the DT740 Screw Terminal Panel 36...

Page 35: ...d Load the Device Driver see Chapter 2 starting on page 23 Wire Signals see Chapter 4 starting on page 39 Verify the Operation of the Board see Chapter 5 starting on page 57 Attach and Configure the S...

Page 36: ...cts connector J1 on the screw terminal panel to the DT3034 board Connector J2 on the screw terminal panel brings out all of the digital and counter timer signals from connector J2 on the board cable E...

Page 37: ...Ground Sense When shipped from the factory jumper W1 connects the low side of the input amplifier Amp Low on the DT3034 board to analog ground When using pseudo differential analog inputs remove jump...

Page 38: ...1 k to 100 k depending on the application Refer to page 46 for an example of using bias return resistors Configuring Resistors R17 to R32 Current Shunt Resistor locations R17 to R32 are typically used...

Page 39: ...Chapter 3 38...

Page 40: ...Preparing to Wire to a Screw Terminal Panel 41 Screw Terminal Assignments 42 Connecting Analog Input Signals 45 Connecting Analog Output Signals 50 Connecting Digital I O Signals 51 Connecting Counte...

Page 41: ...d Load the Device Driver see Chapter 2 starting on page 23 Wire Signals this chapter Verify the Operation of the Board see Chapter 5 starting on page 57 Attach and Configure the Screw Terminal Panel s...

Page 42: ...0 screw terminal panel we recommend that you connect the shields as follows Connect the analog shield to screw terminals TB35 and TB36 and to TB51 through TB56 Connect the digital shield to screw term...

Page 43: ...rrent limited through a series 10 resistor and supports loads up to 100 mA Note that you must take the drop current I multiplied by resistance R across the series 10 resistor 1 V at 100 mA into consid...

Page 44: ...41 Analog Input 25 09 Return 21 15 Analog Input 18 10 22 40 Analog Input 26 10 Return 23 14 Analog Input 19 11 24 39 Analog Input 27 11 Return 25 13 Analog Input 20 12 26 38 Analog Input 28 12 Return...

Page 45: ...TTL Trigger 78 5 A D Trigger Out 79 4 A D Sample Clock Out 80 3 Reserved 81 23 28 42 Digital Ground 82 39 41 57 62 Digital Ground 83 18 38 40 63 64 Digital Ground 84 65 Reserved 85 31 Reserved 86 37 R...

Page 46: ...on This option provides less noise rejection than the differential configuration however all 32 analog input channels are available Differential Choose this configuration when you want to measure low...

Page 47: ...the common mode voltage could be 1 V Theoretically the resistor value Rb should be 1 V divided by the input bias current 20 nA or 50 m However when you add noise from external sources to the high imp...

Page 48: ...loop problems arise connect the differential signals to the DT740 screw terminal panel as shown in Figure 8 Make sure that the low side of the signal is connected to ground at the signal source not at...

Page 49: ...Grounded Signal Source to the DT740 Shown for Channel 0 Grounded Signal Source TB1 TB2 Analog In 0 Analog In 0 Return Es Signal Source Ground Vg1 DT740 Panel Resistor R1 should be installed for bias r...

Page 50: ...the DT740 Shown for Channel 0 DT740 Panel TB1 Analog Input 0 Analog Input 0 Return TB2 TB50 Analog Shield Use current shunt resistor R17 to convert current to voltage 250 for 4 to 20 mA 1 to 5 V The c...

Page 51: ...e 10 shows how to connect analog output voltage signals to the DT740 screw terminal panel Figure 10 Connecting Analog Output Voltages to the DT740 Shown for Channel 0 DT740 Panel TB41 Analog Output 0...

Page 52: ...e DT740 Shown for Lines 0 and 1 Bank A Figure 12 shows how to connect a digital output signal to the DT740 screw terminal panel Figure 12 Connecting Digital Outputs to the DT740 Shown for Line 0 Bank...

Page 53: ...ions Refer to page 96 for more information on using the counter timers Connecting Event Counting Signals Figure 13 Figure 14 and Figure 15 show examples of connecting event counting signals to the DT7...

Page 54: ...ld In this example a software gate is used to start the event counting operation DT740 Panel TB58 Signal Source Digital Ground User Clock Input 0 TB83 TB61 TB60 Digital Ground Gate 0 External Gating S...

Page 55: ...in Figure 16 In this configuration the frequency of the clock input is the number of counts divided by the period of the external gate input Figure 16 Connecting Frequency Measurement Applications to...

Page 56: ...e DT740 screw terminal panel Other combinations of signals can be used Figure 17 Connecting Pulse Output Applications to the DT740 Screw Terminal Panel Shown for Counter Output 0 and Gate 0 DT740 Pane...

Page 57: ...round Gate 0 External Gating Switch TB58 TB62 User Counter Output 0 User Clock Input 1 TB57 TB108 Digital Shield Note that you can also internally cascade counters using software if you internally cas...

Page 58: ...DataAcq Application 59 Testing Single Value Analog Input 60 Testing Single Value Analog Output 61 Testing Continuous Analog Input 62 Testing Single Value Digital Input 63 Testing Single Value Digital...

Page 59: ...ansform 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 Save the input data to disk T...

Page 60: ...se 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 operations on the board however it may not...

Page 61: ...connect a differential analog input 2 In the Quick DataAcq application choose Single Analog Input from the Acquisition menu 3 Select the appropriate DT3034 board from the Board list box 4 In the Chann...

Page 62: ...In the Quick DataAcq application choose Single Analog Output from the Control menu 3 Select the appropriate DT3034 board from the Board list box 4 In the Channel list box select analog output channel...

Page 63: ...6 Click Config from the Toolbar 7 From the Config menu select ChannelType and then select Differential 8 From the Config menu select Range and then select Bipolar or Unipolar depending on the configur...

Page 64: ...ort A on the DT3034 board Refer to page 51 for an example of how to connect a digital input 2 In the Quick DataAcq application choose Digital Input from the Acquisition menu 3 Select the appropriate D...

Page 65: ...enu 3 Select the appropriate DT3034 board from the Board list box 4 Select digital output port B by clicking Port B 5 Click the appropriate bits to select the digital output lines to write to If the b...

Page 66: ...on works only with counter timer 0 2 In the Quick DataAcq application choose Frequency Counter from the Acquisition menu 3 Select the appropriate DT3034 board from the Board list box 4 In the Count Du...

Page 67: ...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 o...

Page 68: ...Part 2 Using Your Board...

Page 69: ......

Page 70: ...69 6 Principles of Operation Analog Input Features 71 Analog Output Features 87 Digital I O Features 94 Counter Timer Features 96 Synchronizing A D and D A Subsystems 108...

Page 71: ...Analog Trigger 20 MHz Clock A D Trig A D Clk D A Clk Buffer A D Trig A D Clk A D Trig Out A D Clk Out Analog In 32 Channel Mux Ch Sel Gain Amp 1 2 4 8 16 bit ADC Tristate Buffers 1 kSample Input FIFO...

Page 72: ...fferential analog input channels Refer to Chapter 4 starting on page 39 for a description of how to wire these signals Use software to specify the channel type Note For pseudo differential inputs spec...

Page 73: ...in the channel list This feature is useful if you want to discard acquired values from specific entries in the channel list You can enable or disable inhibition for each entry in the analog input cha...

Page 74: ...e a value of 1 01 in binary format means that a value of 1 is output to dynamic digital output line 0 and value of 0 is output to dynamic output line 1 Similarly a value of 2 10 in binary format means...

Page 75: ...the board and use a gain of 4 for the channel the effective input range for this channel is then 2 5 V which provides the best sampling accuracy for that channel The simplest way to specify gain for a...

Page 76: ...fy 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 avoid...

Page 77: ...In an abrupt stop the board stops acquiring samples immediately the acquired data is not transferred to host memory but all subsequent triggers or retriggers are ignored Continuously Paced Scan Mode U...

Page 78: ...retrigger to occur When the board detects an software retrigger the board scans the channel list the specified number of times then waits for another software retrigger to occur The process repeats c...

Page 79: ...e this mode allows you to acquire 262 144 samples per trigger 256 times per trigger x 1024 location channel list Note Use externally retriggered scan mode with continuous post trigger acquisitions onl...

Page 80: ...the A D subsystem is waiting for a trigger and low when a trigger occurs In externally retriggered scan mode this signal stays goes low when the trigger occurs and stays low until the desired number o...

Page 81: ...d by the DT Open Layers Class Library Connect an external analog trigger signal to screw terminal 107 on the DT740 screw terminal panel Using software specify the trigger source as either a rising edg...

Page 82: ...when the board detects the post trigger event and stops when the specified number of post trigger samples has been acquired or when you stop the operation If you are using triggered scan mode the boar...

Page 83: ...he dataflow as ContinuousPreTrigger The pre trigger source as Software The post trigger source as the external digital TTL trigger or the external analog threshold trigger If you are using triggered s...

Page 84: ...e example using software retriggered triggered scan mode The multiscan count is 2 indicating that the channel list will be scanned twice per trigger or retrigger In this example pre trigger analog inp...

Page 85: ...en the board detects the selected post trigger event the board stops acquiring pre trigger data and starts acquiring post trigger data If you are using software retriggered scan mode and the post trig...

Page 86: ...DT3034 boards use offset binary data encoding such 0000 to represent negative full scale and FFFFh to represent positive full scale Use software to specify the data encoding as binary The ADC outputs...

Page 87: ...he host computer A D Over Sample Indicates that the A D sample clock rate is too fast This error is reported if a new A D sample clock pulse occurs while the ADC is busy performing a conversion from t...

Page 88: ...o differential analog output channels DAC0 and DAC1 Use software to specify the channel type Refer to Chapter 4 starting on page 39 for information on how to wire analog output signals to the board us...

Page 89: ...each channel in the analog output channel list An internal D A output clock that uses the 24 bit D A Counter on the board An external D A output clock that you can connect to the screw terminal panel...

Page 90: ...the DT3034 board detects either a rising or falling edge on the External D A TTL Trigger input signal connected to screw terminal 75 on the DT740 screw terminal panel The trigger signal is TTL compati...

Page 91: ...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 capabil...

Page 92: ...is system dependent Refer to page 88 for more information on the D A output clock To select continuously paced analog output mode use software to specify the following parameters Set the dataflow as...

Page 93: ...output samples an even and an odd sample into each transfer to the DT3034 board The even sample is written to the output FIFO first followed by the odd sample If the analog output channel list contai...

Page 94: ...il the board is powered down or new data becomes available If however the host does an additional write to the output FIFO after the D A output clock occurred while the output FIFO was empty the data...

Page 95: ...alue is 1 a digital line is low if its value is 0 On power up or reset no digital data is output from the board Digital I O Resolution Using software specify the number of banks to read by specifying...

Page 96: ...scan mode trigger source trigger acquisition mode and buffer for the digital input operation Refer to page 72 for more information on specifying digital input lines for a continuous digital input oper...

Page 97: ...and outputs a clock output signal also called a pulse output signal as shown in Figure 28 Figure 28 Counter Timer Channel Each counter corresponds to a counter timer C T subsystem To specify the count...

Page 98: ...signal The minimum clock divider that you can specify is 2 0 the maximum clock divider that you can specify is 65 536 For example if you supply an external C T clock with a frequency of 5 MHz and spe...

Page 99: ...the counter timer operation when the external gate signal is high Note that this gate type is used only for event counting frequency measurement and rate generation refer to page 100 for more informat...

Page 100: ...n 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 The duty cycle or pulse width indicates the percentage o...

Page 101: ...g a cascaded 32 bit counter you can count a maximum of 4 294 967 296 events before the counter rolls over to 0 and starts counting again In event counting mode use an external C T clock source refer t...

Page 102: ...l Figure 31 Example of Event Counting TB58 Signal Source Digital Ground User Clock Input 0 TB83 TB61 TB60 Digital Ground Gate 0 External Gating Switch TB108 Digital Shield DT740 Screw Terminal Gate In...

Page 103: ...ype and type of output pulse high or low 2 Set up the counter timer that will measure the frequency for event counting mode specifying the clock source to count and the gate type this should match the...

Page 104: ...ing one counter not cascaded you can output pulses using a maximum frequency of 10 MHz this is the frequency of the clock output signal In rate generation mode either the internal or external C T cloc...

Page 105: ...e and a duty cycle of 75 The gate type does not matter for this example A 1 kHz square wave is the generated output Figure 36 shows the same example using a duty cycle of 25 Figure 35 Example of Rate...

Page 106: ...e internal C T clock source is more useful than an external C T clock source refer to page 96 for more information on the internal C T clock source Using software specify the counter timer mode as one...

Page 107: ...ising edge a clock output frequency of 1 kHz pulse period of 1 ms and a low to high pulse type Figure 38 Example of One Shot Mode DT740 Screw Terminal Panel TB59 Heater Controller Digital Ground User...

Page 108: ...to page 99 for more information on pulse output types and to page 98 for more information on gates Note In the case of a repetitive one shot operation the pulse width is set to 100 automatically Trigg...

Page 109: ...stems on the simultaneous start list prestart the subsystems then start the subsystems When started both subsystems are triggered simultaneously when the external digital event occurs External Analog...

Page 110: ...fy the trigger source for the A D and D A subsystems as the software trigger When started both subsystems are triggered and clocked simultaneously External Sample Clocks Using software specify the clo...

Page 111: ...Chapter 6 110...

Page 112: ...Capabilities Data Flow and Operation Options 113 Buffering 114 Triggered Scan Mode 114 Gain 116 Channels 115 Ranges 116 Resolution 116 Thermocouple and RTD Support 117 IEPE Support 117 Triggers 118 C...

Page 113: ...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...

Page 114: ...tinuous operation continuous DIN operation can be performed by specifying channel 32 in the channel gain list of the A D subsystem and starting the A D subsystem Yes Continuous Operation until Trigger...

Page 115: ...hese situations when flushing an inprocess buffer Table 11 DT3034 Triggered Scan Mode Options DT3034 A D D A DIN DOUT C T QUAD Triggered Scan Support SupportsTriggeredScan Yes Maximum Number of CGL Sc...

Page 116: ...bits from the DIN subsystem 2 1 1 0 0 SE Support SupportsSingleEnded Yes SE Channels MaxSingleEndedChannels 32 0 0 0 0 0 DI Support SupportsDifferential Yes Yes Yes Yes DI Channels MaxDifferentialCha...

Page 117: ...n Options DT3034 A D D A DIN DOUT C T QUAD Software Programmable Resolution SupportsSoftwareResolution Yes Yes Number of Resolutions NumberOfResolutions 1 1 2a a When configured for 16 bits of resolut...

Page 118: ...hannel SupportsCjcSourceChannel Available CJC Channels CjcChannel Supports Interleaved CJC Values in Data Stream SupportsInterleavedCjcTemperaturesInStream Supports Programmable Filters SupportsTemper...

Page 119: ...r External Negative TTL Trigger Support for Single Value Operations SupportsSvNegExternalTTLTrigger Positive Threshold Trigger Support SupportsPosThresholdTrigger Yesb b Threshold triggers are support...

Page 120: ...um Clock Divider MinExtClockDivider 1 0 1 0 1 0 1 0 2 0 0 Maximum Frequency MaxFrequency 500 kHz 500 kHza a Three conditions are possible 200 kHz per DAC with full scale steps in continuously paced or...

Page 121: ...Mode Support SupportsContinuousMeasure High to Low Output Pulse Support SupportsHighToLowPulse Yes Low to High Output Pulse Support SupportsLowToHighPulse Yes Variable Pulse Width Support SupportsVar...

Page 122: ...r one shot and repetitive one shot operations the pulse width is set automatically to 100 b High edge and low edge are supported for one shot and repetitive one shot modes High level and low level are...

Page 123: ...Chapter 7 122...

Page 124: ...123 8 Calibration Calibrating the Analog Input Subsystem 125 Calibrating the Analog Output Subsystem 130...

Page 125: ...circuitry on the DT3034 boards every six months The DT3034 Calibration Utility is provided for calibrating DT3034 boards Note Ensure that you installed the DT3034 Device Driver prior to using the DT30...

Page 126: ...ly without using external equipment the accuracy of the calibration is approximately 0 05 An external 9 3750 V reference precision voltage source Using an external 9 3750 V reference provides an accur...

Page 127: ...side of the precision voltage source 3 Connect Analog In 0 Return to Analog Ground 4 Connect Analog In 1 and Analog In 1 Return to Analog Ground Signal DT740 Screw Terminal Analog Input 1 TB2 Analog I...

Page 128: ...have connected the required calibration signals to the DT740 screw terminal panel you can calibrate the analog input circuitry of the DT3034 board either automatically or manually auto calibration is...

Page 129: ...to manually calibrate the analog input circuitry instead of auto calibrating it do the following 1 From the main menu of the DT3034 Calibration Utility click Configure and then Board 2 Select the nam...

Page 130: ...log input calibration you can load the factory default settings stored in the EEPROM by clicking Restore in the Factory Settings box Calibrating the PGH Zero Setting PGH Zero is a factory calibrated s...

Page 131: ...ibrate the analog output circuitry quickly without using external equipment An external precision meter The following sections describe how to configure for calibration using either of the supported m...

Page 132: ...ision voltage meter To calibrate DAC1 using an external voltage meter do the following 1 Connect Analog Out 1 to the positive side of the precision voltage meter 2 Connect Analog Out 1 Return TB44 to...

Page 133: ...ysically adjust potentiometer R15 labelled 0Z on the DT3034 board until the display reads 9 3750 V within 0 001 V Figure 41 shows the location of this potentiometer Figure 41 Location of Potentiometer...

Page 134: ...ailable ranges the range is then displayed You cannot calibrate intermediate ranges 16 Click Quit when you are finished calibrating the analog output circuitry Once you have finished this procedure th...

Page 135: ...Chapter 8 134...

Page 136: ...135 9 Troubleshooting General Checklist 136 Technical Support 138 If Your Board Needs Factory Service 139...

Page 137: ...s not respond The board configuration is incorrect Check the configuration of your device driver to ensure that the board name and type are correct The board is incorrectly aligned in a PCI expansion...

Page 138: ...l to handle all the system resources Check the power requirements of your system resources and if needed get a larger power supply consult the board s specifications on page 149 of this manual System...

Page 139: ...cdaq 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...

Page 140: ...actory specifications An RMA must be obtained from Application Engineering in advance of sending any product back to Measurement Computing Customers outside the USA must contact their local distributo...

Page 141: ...Chapter 9 140...

Page 142: ...put Specifications 142 Analog Output Specifications 145 Digital I O Specifications 147 Counter Timer Specifications 148 Power Physical and Environmental Specifications 149 Connector Specifications 150...

Page 143: ...2 Gain 4 Gain 8 0 01 0 02 0 02 0 03 Nonlinearity integral 2 0 LSB Differential linearity 0 75 LSB no missing codes Range Bipolar Unipolar 10 V 0 to 10 V Drift Zero Gain 20 V 10 V Gain C 25 ppm C Inpu...

Page 144: ...t trigger falling edge sensitive 1 HCT14 TTL 2 0 V minimum 0 8 V maximum 0 4 V minimum 1 5 V maximum 1 0 A 1 0 A 100 ns high 150 ns low 500 kHz 33 series resistor External A D digital TTL trigger Inpu...

Page 145: ...minimum IOH 15 mA 2 4 V minimum IOH 3 mA 0 5 V maximum IOL 24 mA 0 4 V maximum IOL 12 mA 33 series resistor Dynamic Digital Output Channels Number of channels Output driver Output driver high voltage...

Page 146: ...les s maximum per channel 500 kSamples s maximum per channel 500 kSamples s maximum per channel Current output 5 mA maximum load Output impedance 0 1 maximum Capacitive drive capability 0 004 F no osc...

Page 147: ...Hysteresis High level input current Low level input current Minimum pulse width Termination Schmitt trigger edge sensitive 1 HCT14 TTL 2 0 V minimum 0 8 V maximum 0 4 V minimum 1 5 V maximum 1 0 A 1...

Page 148: ...2 8 bits each Termination 47 k resistor pullup to 3 3 V 33 series resistor Inputs Input type Input load High level input voltage Low level input voltage High level input current Low level input curren...

Page 149: ...8 V maximum 0 4 V minimum 1 5 V maximum 1 0 A 1 0 A 100 ns high 100 ns low 5 0 MHz 33 series resistor Gate Inputs Input type Input load High level input voltage Low level input voltage Hysteresis High...

Page 150: ...onmental Specifications Feature Specifications Power 5 V 0 25 V 5 V 12 V 12 V 15 V Output J1 pins 6 and 7 1 5 A nominal not used 0 12 A nominal 0 1 A nominal 10 mA nominal Physical Dimensions Weight 8...

Page 151: ...Plug for cable Cable shell kit Cable wire Receptacle for board Latching posts AMP Tyco 5787131 1 AMP Tyco 787133 1 AMP Tyco 57506 1 AMP Tyco 6658751 1 AMP Tyco 787003 3 bag of 200 68 Pin Connector Plu...

Page 152: ...ulatory specifications for the DT3034 boards Table 29 Regulatory Specifications Feature Specifications Emissions EMI FCC Part 15 EN55022 1994 A1 1995 A2 1997 VCCI AS NZS 3548 Class A Immunity EN61000...

Page 153: ...Appendix A 152...

Page 154: ...153 B Connector Pin Assignments...

Page 155: ...8 Analog Input 07 19 Analog Input 06 20 Analog Input 05 21 Analog Input 04 22 Analog Input 03 23 Analog Input 02 24 Analog Input 01 25 Analog Input 00 26 Analog Ground 27 Reserved 28 Reserved 29 Analo...

Page 156: ...og Input 04 Return 47 Analog Input 11 Analog Input 03 Return 48 Analog Input 10 Analog Input 02 Return 49 Analog Input 09 Analog Input 01 Return 50 Analog Input 08 Analog Input 00 Return Table 30 Conn...

Page 157: ...gital Ground 19 Digital I O Bank B 3 20 Digital I O Bank B 2 21 Digital I O Bank B 1 22 Digital I O Bank B 0 23 Digital Ground 24 Digital I O Bank A 3 25 Digital I O Bank A 2 26 Digital I O Bank A 1 2...

Page 158: ...I O Bank A 5 61 Digital I O Bank A 4 62 Digital Ground 63 Digital Ground 64 Digital Ground 65 Reserved 66 Reserved 67 Shield Ground 68 Analog Trigger Return Table 31 Connector J2 Pin Assignments on th...

Page 159: ...alog Input 24 08 Return 19 16 Analog Input 17 09 20 41 Analog Input 25 09 Return 21 15 Analog Input 18 10 22 40 Analog Input 26 10 Return 23 14 Analog Input 19 11 24 39 Analog Input 27 11 Return 25 13...

Page 160: ...ternal D A Sample Clock In 75 8 External D A TTL Trigger 76 7 External A D Sample Clock In 77 6 External A D TTL Trigger 78 5 A D Trigger Out 79 4 A D Sample Clock Out 80 3 Reserved 81 23 28 42 Digita...

Page 161: ...er 108 67 Digital Shield Ground 109 32 Reserved 110 66 Reserved 111 35 36 Digital Ground 112 1 2 5 V Out Table 33 Screw Terminal Assignments for Connector J2 on the DT740 cont TB J2 Pin Signal Descrip...

Page 162: ...161 C Using Your Own Screw Terminal Panel Analog Inputs 163 Analog Outputs 165 Digital Inputs and Counter Timer Inputs 166 Digital Outputs 167 Cabling Information 168...

Page 163: ...e If you choose not to use the DT740 screw terminal panel considerations must be given as to how the signals interact in the real world as well as how they interact with each other This appendix descr...

Page 164: ...en adjacent channels have high speed signals especially if these signals are TTL type with high speed edges Pseudo Differential Inputs Pseudo differential inputs allow one common mode voltage for all...

Page 165: ...problem to consider with differential inputs is the bias current error The differential impedance is usually hundreds of megaohms With a very small bias current multiplied by this high input impedanc...

Page 166: ...dwidth limit with higher capacitive loads The grounds of most boards are optimized for analog inputs at the expense of some logic or high frequency noise on the analog outputs This is because the anal...

Page 167: ...circuitry is not damaged when power is removed On all Data Translation PCI boards current limiting is used to prevent damage in this fault condition On high speed clock inputs a ground that is locate...

Page 168: ...to the digital ground provided in the connector next to the outputs If just eight of the digital outputs are switching 16 mA per output then 128 mA of current flows To minimize problems with ringing l...

Page 169: ...Appendix C 168 Cabling Information If you are building your own screw terminal panel and or cable refer to Appendix A for connector specifications...

Page 170: ...ck 88 data format and transfer 92 error conditions 93 gains 88 output ranges 88 resolution 87 single value operations 90 specifications 145 trigger sources 89 analog threshold trigger 80 90 108 analog...

Page 171: ...timer signals 52 current loop analog inputs 49 differential analog inputs 46 digital I O signals 51 event counting signals 52 54 externally cascaded counter timers 56 pseudo differential analog inputs...

Page 172: ...5 analog output 92 data transfer analog input 85 analog output 92 DataAcq SDK 18 description of the functional subsystems A D 71 C T 96 D A 87 DIN and DOUT 94 device driver 18 differential channels 11...

Page 173: ...programmable 116 gate type 98 falling edge 98 high edge 120 high level 120 internal 120 logic high level 98 logic low level 98 low edge 120 low level 120 none software 98 rising edge 98 generating con...

Page 174: ...100 externally retriggered scan mode 78 frequency measurement 102 one shot pulse output 105 rate generation 103 repetitive one shot pulse output 107 single value analog input 76 single value analog o...

Page 175: ...75 internal A D 75 sample rate 76 scan mode externally retriggered 78 software retriggered 77 screw terminal panel 19 SDK 18 selecting expansion slots 27 setting up the computer 26 simultaneous start...

Page 176: ...80 90 threshold trigger analog input channel 80 90 108 external 80 89 negative 118 positive 118 throughput maximum 119 minimum 119 transferring data analog input 85 analog output 90 92 trigger acquis...

Page 177: ...52 current loop analog inputs 49 differential analog inputs 46 digital I O signals 51 event counting signals 52 54 externally cascaded counter timers 56 pseudo differential analog inputs 46 pulse out...

Page 178: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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