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DT9800 Series User`s Manual

1. 5V D D Ground USB Micro Isolated DC DC Interface Controller and Power Control A 500 V Isolation Barrier o Note that this is not isolated S I on the DT9800 EC Series 3Q Y o 0 amp 8 Isolated ge Power 2 2 Dynamic Digital Out Clock Two 16 bit Y Gate User Channel Gain List Out Counter Timer Isolated Side 32 Entries Control Logic 4 8 Digital Outputs x 16 SE 8 DI Analog Analog Input 12 or 16 Bit Inputs mux PGA Papo Ma Sample FIFO 10 kQ Bias t l Return v Termination 8 Digital External 12 or 16 Bit D A Resistors igita Clock and DAG nputs Trigger Logic DACO T EM RM Figure 49 Block Diagram of the DT9800 Series Modules 86 Principles of Operation Analog Input Features This section describes the features of the analog input A D subsystem including the following Input resolution described below Analog input channels described on page 88 Input ranges and gains described on page 90 A D sample clock sources described on page 92 Analog input conversion modes described on page 94 Triggers described on page 93 Data formats described on page 98 Data transfer described on page 100 Error conditions described on page 100 Input Resolution Table 5 lists the input resolution of the DT9800 Series modules Note that the resolution is fixed it cannot be programmed in software Table 5 Input Resolution Function Module Input Module
2. Q Q BA DClock gt Q Q 3 a 2 8 g E 3 A e AID Trig 3 o lt O amp ADCh4 ADCh5 ADCh6 ADCh7 DAC Cho 0 0 O o 9 ADChO ADChi ADCh2 ADCh3 DAC Ch1 Figure 63 DT9804 EC I 8DI BNC Differential Configuration O O a Q O A D Clock ADCh12 AD Ch13 AD Ch14 AD Ch15 gt Q g 5 z e i e 8 G 3 x e A D Trig ADCh8 ADCh9 ADChi0 ADCh 1 xe g Q 3 O e O ADCh4 ADCh5 ADCh6 ADCh7 DAC Cho o O 9 ADChO ADChi ADCh2 AD Ch3 DAC Ch1 Figure 64 DT9804 EC I 16SE BNC Single Ended Configuration 159 Appendix B Note A USB connector provided on the side panel allows you to connect directly to the host computer using a USB cable Mechanical Specifications Table 44 lists the mechanical specifications for the BNC box Table 44 BNC Box Mechanical Specifications Feature Specification Type Aluminum optional DIN rail mountable Dimensions 216 mm x 106 mm x 50 3 mm 8 5 inches x 4 17 inches x 1 98 inches BNC Connectors Analog Input 16 BNCs for 16 single ended analog or 8 BNCs for 8 differential inputs Analog output 2 BNCs for 2 differential analog outputs A D Clock Input 1 BNC for an A D TTL clock input A D Trigger Input 1 BNC for an A D TTL trigger input
3. AC1324 AC1324 J5 Screw J5 Screw Pin Terminal Signal Name Pin Terminal Signal Name 1 TB1 Analog Output 0 2 TB2 Analog Output 0 Return 3 TB3 Analog Output 1 4 TB4 Analog Output 1 Return 5 TB5 Isolated Digital Ground 6 TB6 External A D Trigger 7 TB7 External A D Sample Clock 8 TB8 Isolated Digital Ground 9 TB9 Isolated 5 V Output 10 TB10 Not Connected 11 TB11 Not Connected 12 TB12 Dynamic Digital Output 13 TB13 Isolated Digital Ground 14 TB14 User External Gate 1 15 TB15 User Counter Output 1 16 TB16 User Clock Input 1 17 TB17 Isolated Digital Ground 18 TB18 User External Gate 0 19 TB19 User Counter Output 0 20 TB20 User Clock Input 0 21 TB21 Not Connected 22 TB22 Not Connected 23 TB23 Not Connected 24 TB24 Not Connected 25 TB25 Not Connected 26 TB26 Not Connected a This signal is not isolated on the DT9800 EC Series b 5 V output is available only when one of the subsystems is activated which in turn activates power to the module This signal can be used as an input to power the digital output latch so that the outputs retain their states during power down 54 Wiring Signals Table 4 Connector J4 Pin Assignments STP EZ STP EZ J4 Screw J4 Screw Pin Terminal Signal Name Pin Terminal Signal Name 1 TB1 Not Connected 2 TB2 Digital Ground 3 TB3 Not Connected 4 TB4 Digital Ground 5 TB5 N
4. Table 45 lists the connector specifications Table 45 Mating Cable Connectors Part Number on Mating Cable Connector Module or Equivalent Connector Analog input J20 AMP Tyco 5747375 8 AMP Tyco 5 747917 2 Digital I O J22 AMP Tyco 5747301 8 AMP Tyco 5 747916 2 C T DAC Clk Trig J21 AMP Tyco 5747301 8 AMP Tyco 5 747916 2 160 Connector Pin Assignments D Sub Connector Pin Assignments Table 46 lists the pin assignments for the analog input connector J20 on the BNC box Table 46 Analog Input Connector J20 Pin Assignments Pin Signal Description Pin Signal Description 1 Analog Input 0 2 Analog Input 1 3 Analog Input 2 4 Analog Input 3 5 Analog Input 4 6 Analog Input 5 7 Analog Input 6 8 Analog Input 7 9 Not used 10 Not used 11 Not used 12 Not used 13 Not used 14 Not used 15 Not used 16 Not used 17 Amplifier Low 18 5 V Analog 19 Not used 20 Analog Input 0 Return Analog In 82 21 Analog Input 1 Return 22 Analog Input 2 Return Analog In 9 Analog In 10 23 Analog Input 3 Return 24 Analog Input 4 Return Analog In 112 Analog In 12 25 Analog Input 5 Return 26 Analog Input 6 Return Analog In 13 Analog In 14 27 Analog Input 7 Return 28 Not used Analog In 15 29 Not used 30 Not used 31 Not used 32 Not used 33 Not used 34 Not used 35 Not used 36 Analog Ground 37 Digital Ground a
5. The power supply of the computer is too small to handle all the system resources Check the power requirements of your system resources and if needed get a larger power supply consult the module s specifications on page 150 of this manual 139 Chapter 9 Technical Support If you have difficulty using the DT9800 Series module Data Translation s Technical Support Department is available to provide technical assistance To request technical support to go 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 140 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 datatrans
6. I DT9800 EC or 0000000 H 0 TB17 DT9800 EC I Series k o Module 0 8 lo o 0 o 0 0 0 o O o O TB16 TB26 Figure 36 Attaching the STP EZ Screw Terminal Panel to Connector J4 of the DT9800 EC EC I Series for Digital I O Figure 37 shows how to connect digital input signals lines 0 and 1 of Port A in this case to an STP EZ screw terminal For a description of the screw terminal blocks refer to Table 4 on page 58 Wiring Signals Digital Input Fr E Line 1 Port A TB39 TB40 TB41 TB42 TB43 TB44 TB45 ate TTL Inputs TB46 TB47 00909090909000 Digital Input Line 0 Port A TB17 TB18 TB19 TB20 TB21 TB22 Isolated Digital Ground This signal is not isolated on the DT9800 EC Series Figure 37 Connecting Digital Inputs Shown for Lines 0 and 1 Port A TB23 TB24 TB25 D TB26 90069858808 Qo 4 gg 3 p TB50 STP EZ Screw Terminal Panel Figure 38 shows how to connect a digital output line 0 of Port B in this case to an STP EZ screw terminal panel 0 Out LED On A TB27 TB28 TB29 TB30 TB31 Port B 5V Isolated Digital Ground 500 Q Digital Output Line 0 This signal is not isolated on the DT9800 EC Series Figure 38 Connecting Digital Outputs Shown for Line 0 Port B OQOOOOOQ 4 kee S STP EZ Screw Terminal Panel TB32
7. DATA TRANSLATION UM 17473 Y DT9800 Series User s Manual Thirteenth Edition May 2010 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 2003 2010 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 DataAcq OMNI CD 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 Television Int
8. DT9805 DT9806 DT9800 EC Series DT9801 EC FFFh 000h DT9802 EC plus full scale minus full scale DT9803 EC FFFFh 0000h DT9804 EC plus full scale minus full scale DT9800 EC I Series DT9801 EC I FFFh 000h DT9802 EC I plus full scale minus full scale DT9803 EC I FFFFh 0000h DT9804 EC I plus full scale minus full scale 99 Chapter 6 100 Data Transfer The module packs two bytes into each transfer to the host computer Even samples corresponding to entries 0 2 4 and so on in the channel list are packed into the low bytes odd samples corresponding to entries 1 3 5 and so on in the channel list are packed into the high bytes DT9800 Series modules contain a 2048 sample FIFO During a continuous analog input operation the hardware interrupts the firmware on the module when the FIFO is half full The module then transfers 2048 samples to a circular buffer which is dedicated to the hardware in the host computer The DT9800 Series Device Driver accesses the hardware circular buffer to fill user buffers that you allocate in software It is recommended that you allocate a minimum of two user buffers for a continuous analog input operation Data is written to multiple allocated input buffers continuously when no more empty buffers are available the operation stops The data is gap free Note If you are using a slow clock data rate such as 75 Hz and a 256 sample user buffer you will have to
9. Wire Signals see Chapter 4 starting on page 37 i Verify the Operation of the Module N N see Chapter 5 starting on page 73 J If you are using a DT9800 Standard Series DT9800 EC Series or DT9800 EC I Series module you must configure the device driver refer to page 33 for information In addition if you are using a DT9800 EC or DT9800EC I Series module you must configure the module refer to page 34 for information 32 Configuring the Module and or Device Driver Configuring the Device Driver This section describes how to configure the device driver for a DT9800 Standard Series DT9800 EC Series or DT9800 EC I Series module to use or not use bias return termination resistance To configure the device driver do the following 1 2 9 If you have not already done so power up the host computer and all peripherals From the Windows Control Panel double click the Open Layers Control Panel icon The Data Acquisition Control Panel dialog box appears Click the DT9800 Series module that you want to configure and then click Advanced The DT9800 Configuration dialog box appears If you are using differential analog input channels we recommend that you select the 10k Ohm Resistor Terminations checkbox for each analog input channel on the module This ensures that 10 kOof bias return termination resistance is used for the analog input channels This is the default configuration Bias return termi
10. 3 106 kHz 1 16 2 us 50 kHz To select software retriggered scan mode use software to specify the following parameters The dataflow as Continuous e Triggered scan mode usage as enabled The retrigger source as Software The number of times to scan per trigger or retrigger also called the multiscan count as 1 The retrigger frequency The initial trigger source refer to page 93 for more information on the supported trigger sources Externally Retriggered Scan Mode Use externally retriggered scan mode if you want to accurately control the period between conversions of individual channels and retrigger the scan based on an external event When a DT9800 Series module detects an initial trigger either a software trigger or an external trigger the module scans the channel list once then waits for an external retrigger to occur The external retrigger occurs when a rising edge is detected on the Ext A D Trigger input screw terminal TB24 on the module When the retrigger occurs the module scans the channel list once then waits for another external retrigger to occur The process repeats continuously until either the allocated buffers are filled or until you stop the operation refer to page 100 for more information on buffers The conversion rate of each channel is determined by the frequency of the A D sample clock refer to page 92 for more information on the A D sample clock The conversion rate of each scan is determin
11. DT9804 DT9804 EC DT9804 EC I DT9805 and DT9806 modules and within 0 010 V for the DT9801 DT9801 EC DT9801 EC DT9802 DT9802 EC and DT9802 EC I modules Click A D Ch 0 Click the increment or decrement arrows in the Gain box until the A D value on the screen reads 49 3750 V within 0 001 V for the DT9803 DT9803 EC DT9803 EC I DT9804 DT9804 EC DT9804 EC I DT9805 and DT9806 modules and within 0 010 V for the DT9801 DT9801 EC DT9801 EC I DT9802 DT9802 EC and DT9802 EC I modules Note If you are not satisfied with the analog input calibration you can load the factory default settings stored in the EEPROM by clicking Restore in the A D Configuration Factory Settings box Once you have finished this procedure the analog input circuitry is calibrated If you are using a DT9805 or DT9806 module we recommend that you calibrate the thermocouple circuitry using the instructions in the next section Otherwise you can calibrate the analog output circuitry if you wish following the instructions on page 136 133 Calibrating the Thermocouple Circuitry Note Ensure that the DT9805 or DT9806 module has been running for about 1 2 hour allowing the module to warm up and that you have calibrated the analog input circuitry using the procedure described on page 132 before calibrating the thermocouple circuitry To calibrate the thermocouple circuitry on the DT9805 or DT9806 modules do the following 1 Disconnect
12. Installing a Module EC OF EC Seri ee taa ew als EEE NEEE Di 27 21 Chapter 2 22 Install the Module this chapter Configure the Module and or Device Driver see Chapter 3 starting on page 31 Wire Signals see Chapter 4 starting on page 37 Verify the Operation of the Module see Chapter 5 starting on page 73 Note All DT9800 Series modules are factory calibrated and require no further adjustment prior to installation If you are using the DT9800 Standard DT9800 EC or DT9800 EC I Series modules and decide later to recalibrate them refer to Chapter 8 starting on page 129 for instructions Installing a Module Unpacking Open the shipping box and verify that the following items are present e DT9800 Series module s EP365 USB cable Data Acquisition OMNI CD If an item is missing or damaged contact Data Translation If you are in the United States call the Customer Service Department at 508 481 3700 ext 1323 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 23 Chapter 2 Attaching Modules to the Computer You can attach a DT9800 Series module to the host computer in one of two ways Connect directly to a USB port of the host computer described on this pag
13. retrigger frequency 120 Triggered Scan Counter 95 triggered scan mode 95 triggers 93 external 93 external positive digital 124 software 93 124 troubleshooting procedure 138 service and support procedure 140 troubleshooting table 138 TIL trigger 93 U units counter timer 106 unpacking 23 USB cable 17 24 V variable pulse width 126 Visual Basic for NET programs 16 Visual Basic programs 16 Visual C programs 16 Visual C programs 16 voltage ranges 90 122 number of 122 W W3 jumper 56 wiring signals analog outputs 47 63 current loop analog inputs 45 62 differential analog inputs 43 59 digital inputs and outputs 47 64 event counting applications 48 49 68 externally cascading counter timers 49 51 69 71 72 frequency measurement applications 50 70 pseudo differential analog inputs 42 59 pulse output applications 50 71 single ended analog inputs 41 58 thermocouple analog inputs 46 writing programs in C C 16 Visual Basic 16 Visual Basic NET 16 Visual C 16 Visual C 16 171 Index 172
14. 0 in this case to an AC1324 screw terminal panel 62 Vcc User installed 8 4 to 20 mA resistor py Analo nputO TH TB1 QU TB2 O TB3 D TB4 D TB5 p TB6 Analog Input 0 O TB7 p TB8 Return O TB9 p TB10 O TB11 Q TB12 p TB13 p TB14 H Q TB15 O TB16 Isolated Analog D TB17 D TB18 D TB19 p TB20 D TB21 O TB22 D TB23 D TB24 p TB25 p TB26 AC1324 Screw Terminal Panel This signal is not isolated on the DT9800 EC Series The user installed resistor connects the high side of the channel to the low side of the corresponding channel thereby acting as a shunt If for example you add a 250 2 resistor then connect a 4 to 20 mA current loop input to channel 0 the input range is converted to 1 to 5 V When configuring the DT9800 Series Device Driver we recommend that you software select 10 kQ of termination resistance to connect the low side of channel 0 to analog ground a physical resistor is not required For more information refer to page 33 Figure 33 Connecting Current Inputs Shown for Channel 0 Note If you are using current loop inputs set up the software so that bias return resistance is used For more information refer to page 33 Wiring Signals Connecting Analog Output Signals The DT9800 EC and DT9800 EC I Series modules support analog outputs through connector J5 This section shows how to wire analog output signals to an AC1
15. 3 for more information This chapter describes how to run the DT9800 Series Calibration Utility and calibrate the analog I O circuitry of the DT9800 Series modules 130 Calibration Running the Calibration Utility To run the DT9800 Series Calibration Utility do the following 1 Click Start from the Task Bar 2 Browse to Programs Data Translation Incl Calibration DT9800 Calibration Utility The main menu appears 3 Select the module to calibrate and then click OK Once the DT9800 Series Calibration Utility is running you can calibrate the analog I O circuitry as described in the following sections 131 Chapter 8 132 Calibrating the Analog Input Subsystem The following sections describe how to configure your module for calibration and how to calibrate the analog input circuitry of your module Configuring for Calibration To calibrate the analog input circuitry use an external 9 3750 V precision voltage source Using an external 9 3750 V precision voltage source provides an accuracy of approximately 1 LSB for DT9801 DT9801 EC DT9801 EC I DT9802 DT9802 EC and DT9802 EC I modules and 3 LSBs for the DT9803 DT9803 EC DT9803 EC I DT9804 DT9804 EC DT9804 EC I DT9805 and DT9806 modules Do the following to configure a DT9800 Series module for calibration 1 Connect Analog Input 0 TB1 to the positive side of the precision voltage source Connect Analog Input 0 Return TB2 to th
16. 4 User Clock Input 0 O TB1 O TB2 D TB3 D TB4 Gate 0 D TB5 D TB6 Signal QO TB7 O TB8 Source D TB9 p TB10 p TB11 TB12 p TB13 p TB14 Isolated Digital Ground D TB15 D TB16 D TB17 Q TB18 lt D TB19 D TB20 User Clock Output 0 O TB21 O TB22 O TB23 D TB24 p TB25 TB26 This signal is not isolated on the DT9800 EC Series Figure 45 Connecting Frequency Measurement Signals Shown for Clock Input 0 and External Gate 0 70 Wiring Signals Connecting Pulse Output Signals Figure 46 shows one example of connecting pulse output signals to user counter 0 using an AC1324 screw terminal panel attached to connector J5 Du AC1324 Screw Terminal Panel A User Clock Output 0 D TB1 D TB2 E O TB3 D TB4 External N gt Q TB5 D TB6 Heater Gating L Gate 0 TB7 O TB8 Controller Switch O TB9 p TB10 7 O TB11 Q TB12 D TB13 p TB14 TB15 D TB16 Isolated Digital Ground 4 2 e o Mass D TB21 O TB22 D TB23 D TB24 This signal is not isolated on the p TB25 p TB26 DT9800 EC Series Figure 46 Connecting Pulse Output Signals Shown for Counter Output 0 and Gate 0 Figure 47 shows an example of how to externally cascade user counters 0 and 1 to perform a rate generation operation using an AC1324 screw terminal panel attached to connector J5 Note that you can also cascade counters internally using software if you internally cascade the counte
17. Cable to Host Computer DT9800 EC L DT9800 EC I 7B Series Backplane AC1315 Cable HES14 21 To wall outlet Power Supply Figure 6 Connecting a 7B Series Backplane to the DT9800 EC or DT9800 EC I Series Modules 1 Plug one end of an AC1315 cable into the J6 connector of the DT9800 EC or DT9800 EC I Series module 28 Installing a Module 2 Plug the other end of the AC1315 cable into the 26 pin connector of the AC1393 adapter cable then attach the 25 pin connector of the AC1393 adapter cable to the 7B Series backplane 3 Connect power supply HES14 21 to the V A and COM screw terminals on the 7B Series backplane and to the wall outlet Attaching an AC1324 Screw Terminal Panel To connect an AC1324 screw terminal panel to a DT9800 EC or DT9800 EC I Series module do the following 1 Plug one end of an AC1315 cable into the J6 or J5 connector of the DT9800 EC or DT9800 EC I Series module 2 Plug the other end of the AC1315 cable into the 26 pin connector on the AC1324 screw terminal panel as shown in Figure 7 J6 or J5 Connector USB Cable to Host Computer DT9800 EC T19800 EC l E AC1315 AC1324 Cable Figure 7 Connecting the AC1324 Screw Terminal Panel to the DT9800 EC or DT9800 EC I Series Module Attaching a PB16H Opto 22 Backplane To connect a PB16H Opto 22 backplane to a DT9800 EC or DT9800 EC I Series module do the following 1
18. Clock Falling Edge Type SupportsClockFalling Clock Rising Edge Type SupportsClockRising Gate Falling Edge Type SupportsGateFalling Supported Device Driver Capabilities Table 29 DT9800 Series Counter Timer Options cont DIN DOUT C T QUAD DT9800 Series A D D A Gate Rising Edge Type SupportsGateRising Interrupt Driven Operations SupportsInterrupt a In one shot and repetitive one shot modes the pulse width 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 and rate generation modes 127 Chapter 7 128 Calibration Running the Calibration CURES E eii ie Ale ee R ee LR 131 Calibrating the Analog Input Subsystem sss cesses ree 132 Calibrating the Thermocouple Circuliry cc ces ente e e ee 134 Calibrating the Analog Output Subsystem 2 KK 9 R KRN 0 R K RR re hee n 136 129 Chapter 8 The DT9800 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 I O circuitry on the DT9800 Series modules every six months Note Ensure that you installed the DT9800 Series Device Driver and configured your module if applicable prior to using the DT9800 Series Calibration Utility Refer to Chapter
19. Counter gt D TB54 Output 0 TB53 K Signal D Source x Isolated Digital Y TB51 Ground TB50 4 User Clock D Input 1 o D TB48 Gate 1 D TB47 D One Shot 3 ES Trigger DT9800 Standard Isolated Digital Ground Series Module Figure 27 Cascading Counters Shown for One Shot Using Counters 0 and 1 and External Gate 1 Wiring Signals Wiring Signals to the EC or EC I Series CAUTION To avoid electrostatic sensitivity it is recommended that you unplug your DT9800 Series module from the computer before wiring signals When first installing the module try wiring the signals as follows e Wire a function generator or a known voltage source to analog input channel 0 using the differential configuration Wire an oscilloscope or voltage meter to analog output channel 0 Wire a digital input to digital input Port A Wirean external clock or scope to counter timer channel 0 When you finish wiring the signals run the Quick DataAcq application described in Chapter 5 starting on page 73 to verify that the module is operating properly Once you have determined that the module is operating properly wire the signals according to your application s requirements Table 2 lists the pin assignments for connector J6 Table 3 lists the pin assignments for connector J5 and Table 4 lists the pin assignments for connector J4 on the DT9800 EC and DT9800 EC I Series modules Table 2 Connector J6 Pin Assignment
20. D O Ensure that you Isolated Analog Ground 81 ey a a TB18 Figure 12 Connecting Single Ended Voltage Inputs Shown for Channels 0 1 and 8 41 Chapter 4 Connecting Pseudo Differential Voltage Inputs Figure 13 shows how to connect pseudo differential voltage inputs channels 0 1 and 8 in this case to a DT9800 Standard Series module Signal DT9800 Standard Series Source Module Analog In 0 _ TB1 Analog In 8 S TB2 Analog In 1 D TB3 y Vsource 8 O O z 0 O O O D D c O Isolated Analog Ground O T Q TB17 Amp Low q TB18 Make this connection as close to Viy sources as possible to reduce ground loop errors V is the common mode voltage for all 16 analog inputs Figure 13 Connecting Pseudo Differential Voltage Inputs Shown for Channels 0 1 and 8 Note If you are using pseudo differential inputs set up the software so that bias return resistance is not used For more information refer to page 33 42 Wiring Signals Connecting Differential Voltage Inputs Figure 14A illustrates how to connect a floating signal source to a DT9800 Standard Series module using differential inputs A floating signal source is a voltage source that has no connection with earth ground Note For floating signal sources we recommend that you provide a bias return path for the differential channels by add
21. ONES EE S EE SEEEEEqO EXE eure 126 Chapter 8 Calibration 000 I IR II nh 129 Running the Calibration Utility sssses cor 131 Calibrating the Analog Input Subsystem 0 00 e eee 132 Configuring for Calibration een 132 Using the Auto Calibration Procedure se 132 Using the Manual Calibration Procedure sunsun rnrn e eee eee 133 Calibrating the Thermocouple Circuitry ooooocoocrrroconnnrrrnornnnnr 134 Calibrating the Analog Output Subsystem K eee 136 Chapter 9 Troubleshooting e x x e x e K e eee eee eee 137 General Checklist Wi UR CEU a ea pe ie E EU dee ees 138 Technical Support oi csc 2e e mend e heb RN OR EG Rt A a e tA EA 140 If Your Module Needs Factory Service 141 Appendix A Specifications ooococooccncrnna nA 143 Analog Input Specifications lisse nen 144 Analog Output Specifications e een 147 Digital I O Specifications ins ap i e a a a e a Ee EE n 148 Counter Timer Specifications e 0000s 149 Power Physical and Environmental Specifications 150 Cable and Terminal Block Specifications ooooocooooccorcccnnrrrroran 151 Regulatory Specifications lt enn 152 Appendix B Connector Pin Assignments eselseseseeess 153 I219800 Standard Seriese iris ceed ce dane eee be CHG E Ree ee ie ete iue 154 EC and EC I Series Modules 22 0 0 00 ccc cece cc he 156 DT9804 BNC Modules zx S aR 0 a cece cece m hs 159 Mechanical Spe
22. Oto 10 V Oto 10V Oto 5 V SupportedVoltageRanges 10 V x5 V 10 Vb Current Output Support SupportsCurrentOutput a DT9801 DT9801 EC DT9801 EC I DT9802 DT9802 EC and DT9802 EC I modules support input ranges of 0 to 10 V or 10 V DT9803 DT9803 EC DT9803 EC I DT9804 DT9804 EC DT9804 EC I DT9805 and DT9806 modules support an input range of 10 V only b DT9802 DT9802 EC and DT9802 EC I modules support an output range of 0 to 10 V 0 to 5 V 10 V or 5 V DT9804 DT9804 EC DT9804 EC I and DT9806 modules support an output range of 10 V only a These modules provide 12 bit resolution for the A D subsystem DT9801 DT9802 DT9801 EC DT9802 EC DT9801 EC I and DT9802 EC I These modules provide 16 bit resolution for the A D subsystem DT9803 DT9804 DT9805 DT9806 DT9803 EC DT9804 EC DT9803 EC I and DT9804 EC I b These modules provide 12 bit resolution for the D A subsystem DT9802 DT9802 EC and DT9802 EC I These modules provide 16 bit resolution for the D A subsystem DT9804 DT9806 DT9804 EC and DT9804 EC I c You can cascade counter timers in software to create a 32 bit counter timer Supported Device Driver Capabilities Thermocouple and RTD Support Table 25 DT9800 Series Thermocouple Support Options DT9800 Series A D D A DIN DOUT C T QUAD Thermocouple Support SupportsThermocouple Yes RTD Support Supports
23. Output 4 24 TB24 Digital Ground 25 TB25 Digital Output 3 26 TB26 Digital Ground 27 TB27 Digital Output 2 28 TB28 Not Connected 29 TB29 Digital Output 1 30 TB30 Not Connected 31 TB31 Digital Output 0 32 TB32 Not Connected 33 TB33 Digital Input 7 34 TB34 Not Connected 35 TB35 Digital Input 6 36 TB36 Not Connected 37 TB37 Digital Input 5 38 TB38 Not Connected 39 TB39 Digital Input 4 40 TB40 Not Connected 41 TB41 Digital Input 3 42 TB42 Not Connected 43 TB43 Digital Input 2 44 TB44 Not Connected 45 TB45 Digital Input 1 46 TB46 Not Connected 47 TB47 Digital Input 0 48 TB48 Not Connected 49 TB49 Not Connected 50 TB50 Not Connected Connector Pin Assignments DT9804 BNC Modules This section provides information about using the DT9804 EC I 8DI BNC and DT9804 EC I 16SE BNC USB modules The DT9804 EC I 8DI BNC and DT9804 EC I 16SE BNC configurations package the DT9804 module in a special aluminum case called a BNC box The DT9804 EC I 8DI BNC shown in Figure 63 provides BNC connectors for 8 differential analog inputs The DT9804 EC I 16SE BNC shown in Figure 64 provides BNC connectors for 16 single ended analog inputs Both configurations provide BNC connectors for the A D trigger and A D clock signals These signals as well as the digital I O and counter timer signals are also accessible through 37 pin D sub connectors on the BNC box
24. Series Name Resolution DT9800 Standard DT9801 12 bit DT9802 DT9803 16 bit DT9804 DT9805 DT9806 DT9800 EC DT9801 EC 12 bit Series DT9802 EC DT9803 EC 16 bit DT9804 EC DT9800 EC I DT9801 EC I 12 bit Series DT9802 EC I DT9803 EC 16 bit DT9804 EC 87 Chapter 6 88 Analog Input Channels All DT9800 Series modules support 16 single ended or pseudo differential analog input channels or eight differential analog input channels In addition the DT9805 and DT9806 modules provide a cold junction compensation CJC circuit on channel 0 at 10 mV C Using the CJC you can connect seven thermocouple inputs in differential mode to the DT9805 or DT9806 module You configure the channel type as single ended or differential through software Using software you can also select whether to use 10 kOtermination resistance between the low side of each differential channel and isolated analog ground This feature is particularly useful with floating signal sources Refer to Chapter 4for more information on wiring to inputs Refer to Chapter 3 for information on configuring the driver to use bias return termination resistance Note For pseudo differential inputs specify single ended in software in this case how you wire these signals determines the configuration DT9800 EC Series modules do not provide isolated analog ground The DT9800 Series modules can acquire data from a single ana
25. TB33 000090000 e w A p TB35 D TB36 D TB37 p TB38 65 Chapter 4 If you want the digital outputs to retain their values during power down you must connect 5 V external power to the 5 V isolated power signal of connector J5 on the module and activate one of the subsystems on the module which in turn activates power to the module Figure 39 shows how to connect the AC1324 screw terminal to connector J5 on the DT9800 EC or DT9800 EC I Series module AC1324 Screw Terminal Panel J4 DT9800 EC or DT9800 EC I Series Module Figure 39 Attaching the AC1324 Screw Terminal Panel to Connector J5 of the DT9800 EC EC I Series for 5 V Power Figure 40 shows how to wire 5 V external power to the AC1315 screw terminal panel Isolated Digital Ground AC1324 Screw Terminal Panel D TB1 D TB2 D TB3 D TB4 TBS TB6 T TB7 p TB8 TB9 p TB10 5 V External Power TB11 D TB12 p TB13 p TB14 TB15 O TB16 D TB17 D TB18 O TB19 p TB20 D TB21 D TB22 This signal is not isolated on the o Mas m lia DT9800 EC Series Figure 40 Connecting 5V External Power to Retain Digital Output States 66 Wiring Signals Connecting Counter Timer Signals The DT9800 EC and DT9800 EC I Series modules support two counter timer channels through connector J5 This section shows how to wire counter timer signals to an AC1324 screw t
26. The first signal description Return applies to the differential configuration for all modules The second signal description applies to the single ended configuration for the module 161 Appendix B 162 Table 47 lists the pin assignments for the digital I O connector J22 on the BNC box Table 47 Digital I O Connector J22 Pin Assignments Pin Signal Description Pin Signal Description 1 Digital Input O 2 Digital Input 1 3 Digital Input 2 4 Digital Input 3 5 Digital Input 4 6 Digital Input 5 7 Digital Input 6 8 Digital Input 7 9 Not used 10 Not used 11 Not used 12 Not used 18 Not used 14 Not used 15 Not used 16 Not used 17 Digital Ground 18 Digital Ground 19 Not used 20 Digital Output 0 21 Digital Output 1 22 Digital Output 2 23 Digital Output 3 24 Digital Output 4 25 Digital Output 5 26 Digital Output 6 27 Digital Output 7 28 Not used 29 Not used 30 Not used 31 Not used 32 Not used 33 Not used 34 Not used 35 Not used 36 Dynamic Digital Output 37 Digital Ground Connector Pin Assignments Table 48 lists the pin assignments for the counter timer analog output clock and trigger connector J21 on the BNC box Table 48 Counter Timer Analog Output Clock and Trigger Connector J21 Pin Assignments Pin Signal Description Pin Signal Description 1 Analog Output 0 2 An
27. The following software is available for use with the DT9800 Series modules and is shipped on the Data Acquisition OMNI CD DT9800 Series Device Driver The device driver allows you to use a DT9800 Series module with any of the supported software packages or utilities Refer to Chapter 2 starting on page 21 for more information on loading and configuring the device driver Quick DataAcq application The Quick DataAcq application provides a quick way to get up and running using a DT9800 Series module Using this application you can verify key features of the modules display data on the screen and save data to disk Refer to Chapter 5 starting on page 73 for more information on using the Quick DataAcq application The quickDAQ application An evaluation version of this NET application is included on the Data Acquisition OMNI CD quickDAQ lets you acquire analog data from all devices supported by DT Open Layers for NET software at high speed plot it during acquisition analyze it and or save it to disk for later analysis Calibration Utility The Calibration Utility allows you to calibrate the analog I O circuitry of the modules Refer to Chapter 8 starting on page 129 for more information on this utility Measure Foundry An evaluation version of this software is included or provided via a link on the Data Acquisition OMNI CD Measure Foundry is drag and drop test and measurement application builder designed to give you top perfor
28. all signals to Analog Input 0 TB1 leaving it open no connections 2 Connect Analog In 1 TB3 to Analog In 1 Return TB4 and to Analog Ground TB17 3 Inthe PGL Zero box click the text A D Gain 500 CH 1 to refresh the value of analog input channel 1 The gain is set to 500 automatically 4 Click the increment or decrement arrows in the PGL Zero box until the A D value reads 0 V within 5 mV 5 Measure the room temperature at the temperature sensor of the board see Figure 61 by taping a thermometer to the underside of the module between screw terminals 9 and 10 then multiply this value by 10 mV This is the temperature to which to adjust the CJC 54 1 53 2 52 3 51 4 50 5 49 6 48 7 47 DT9805 DT9806 8 module 46 9 EN lt lt Temperature Sensor 45 10 located on the underside of 44 11 the module between the 43 12 screw terminal blocks 42 13 41 14 40 15 39 16 38 17 37 18 8523882888 ISALE Figure 61 Temperature Sensor Location Calibration 6 Click the text A D Gain 1 CH 0 in the CJC Adj box to refresh the value of analog input channel 0 The gain is set to 1 automatically 7 Click the increment or decrement arrows in the CJC Adj box until the A D value on the screen is equal to the room temperature multiplied by 10 mV within 5 mV For example if the room temperature is 25 C you want to adjust the CJC to 250 mV within 5 mV Note If you are not satisfied with
29. data transfer 100 differential inputs 41 57 error conditions 100 gain 90 input ranges 90 Index pseudo differential inputs 41 57 resolution 87 single ended inputs 40 57 specifications 144 testing 76 78 triggers 93 wiring current loop inputs 45 62 wiring differential inputs 43 59 wiring pseudo differential inputs 42 59 wiring single ended inputs 41 58 wiring thermocouples 46 analog output features 101 calibrating 134 136 channels 101 connecting 63 conversion mode 102 data format 103 gain 102 output ranges 102 resolution 101 specifications 147 testing 77 wiring 47 application wiring analog outputs 47 63 current loop analog inputs 45 62 differential analog inputs 43 59 digital inputs and outputs 47 64 event counting applications 48 49 68 externally cascaded counter timers 49 51 69 71 72 frequency measurement applications 50 70 pseudo differential analog inputs 42 59 pulse output applications 50 71 single ended analog inputs 41 58 thermocouple analog inputs 46 attaching backplanes 27 attaching the module to the computer 24 autoranging 94 B banks digital I O 104 base clock frequency 125 BaseClockFrequency 125 bias return resistance 33 43 59 binary data encoding 120 165 Index 166 buffers 120 inprocess flush 120 single wrap mode 120 C C C programs 16 C T clock sources 106 cascaded C T clock 107 external C T clock 107 internal C T clock 107 C T subsystem 106 specific
30. digital output line Input Ranges and Gains Table 6 lists the supported gains and effective input range of each DT9800 Series module Table 6 Effective Input Range 9 Function Unipolar Bipolar Input Module Series Module Name Gain Input Range Range DT9800 DT9801 1 Oto 10V 10 V Standard DT9802 2 0to5V 5 V 4 0 to 2 5 V 2 5 V 8 Oto 1 25 V 1 25 V DT9803 1 N A 10 V DT9804 2 N A xb V 4 N A 2 5 V 8 N A 1 25 V DT9805 1 N A 10 V DT9806 10 N A 1 V 100 N A 0 10 V 500 N A 0 020 V Principles of Operation Table 6 Effective Input Range cont Function Unipolar Bipolar Input Module Series Module Name Gain Input Range Range DT9800 EC DT9801 EC 1 Oto 10 V 10 V Series DT9802 EC 2 0to5V 5V 4 0to2 5V 2 5 V 8 Oto 1 25 V 1 25 V DT9803 EC 1 N A 10 V DT9804 EC 2 N A 5 V 4 N A 2 5 V 8 N A 1 25 V DT9800 EC I DT9801 EC I 1 Oto10V 10 V Series DT9802 EC I 2 0to5V 5V 4 0 to 2 5 V 2 5 V 8 Oto 1 25 V 1 25 V DT9803 EC I 1 N A 10 V DT9804 EC I 2 N A 5 V 4 N A 2 5 V 8 N A 1 25 V Using software specify 0 to 10 V for unipolar ranges or 40 V to 10 V for bipolar ranges Note that you specify the range for the entire analog input subsystem not the range per channel For each channel choose the gain that has the smallest effective range that includes the signal you want to measure Fo
31. lists the output resolution of the DT9800 Series modules Note that the resolution is fixed it cannot be programmed in software Analog Output Channels Table 11 Output Resolution Function Module Series Module Name Resolution DT9800 Standard DT9802 12 bit Series DT9804 16 bit DT9806 DT9800 EC Series DT9802 EC 12 bit DT9804 EC 16 bit DT9800 EC I Series DT9802 EC I 12 bit DT9804 EC I 16 bit The DT9802 DT9802 EC DT9802 EC I DT9804 DT9804 EC DT9804 EC I and DT9806 modules support two DC level analog output channels DACO and DAC1 Refer to Chapter 4 for information on how to wire analog output signals to the module You configure the channel type through software Within each DAC the digital data is double buffered to prevent spurious outputs then output as an analog signal Both DACs power up to a value of 0 V 10 mV Resetting the module does not clear the values in the DACs The DT9800 Series modules can output data from a single analog output channel only Specify the channel for a single value analog output operation using software refer to Conversion Modes on page 102 for more information on single value operations 101 Chapter 6 Output Ranges and Gains Table 12 lists the output range for each DT9800 Series module Table 12 Output Range Function Unipolar Bipolar Module Series Module Name Output Range Input Range DT9800 Stand
32. pin ribbon cable is provided with the STP EZ to allow direct connection to a DT9800 EC or DT9800 EC I Series module AC1315 A 2 foot 26 pin female to 26 pin female cable that connects a 5B Series backplane to a DT9800 EC or DT9800 EC I Series module AC1393 A 6 inch 26 pin male to 25 pin female adapter cable that connects a 7B Series backplane to the AC1315 cable the AC1315 cable then connects to a DT9800 EC or DT9800 EC I Series module HES14 21 power supply A linear ac dc power supply that provides 24 Vdc for powering 7B Series backplanes EP035 A 2 4 meter 50 pin ribbon cable that connects the PB16H Opto 22 backplane to a DT9800 EC or DT9800 EC I Series module 17 Chapter 1 Getting Started Procedure The flow diagram shown in Figure 1 illustrates the steps needed to get started using the DT9800 Series modules This diagram is repeated in each Getting Started chapter the shaded area in the diagram shows you where you are in the procedure C Install the Module see Chapter 2 starting on page 21 Configure the Module and or Device Driver see Chapter 3 starting on page 31 Wire Signals see Chapter 4 starting on page 37 C Verify the Operation of the Module see Chapter 5 starting on page 73 Figure 1 Getting Started Flow Diagram 18 Part 1 Getting Started L TTT Attaching Modules to the Computer Attaching Backplanes Panels to the Z
33. s for a single channel or a channel scan when the gain is 1 or 10 10 kSamples s for a channel scan when the gain is 100 and 2 kSamples s for a channel scan when the gain is 500 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 Sample Clock An external A D sample clock is useful when you want to pace acquisitions at rates not available with the internal A D sample clock or when you want to pace at uneven intervals Connect an external A D sample clock to screw terminal TB25 on the DT9800 Series module pin 25 on connector J1 Conversions start on the rising edge of the external A D sample clock input signal Using software specify the clock source as external For DT9800 Series modules the clock frequency is always equal to the frequency of the external A D sample clock input signal that you connect to the module Triggers A trigger is an event that occurs based on a specified set of conditions The DT9800 Series module supports the following trigger sources e Software trigger A software trigger event occurs when you start the analog input operation the computer issues a write to
34. signal conditioning backplanes and modules keep the following considerations in mind The 7BP04 1 backplane maps to single ended analog input channels 0 to 3 The 5B08 and 7BP08 1 backplanes map to single ended analog input channels 0 to 7 By default the 5B01 and 7BP16 1 backplanes map to single ended analog input channels 0 to 15 However you can use channels 14 and 15 on the 5B01 or 7BP16 1 backplane as analog output channels 0 and 1 by configuring DIP switch SW1 on the module Refer to page 34 for more information on configuring DIP switch SW1 Install jumper W3 on the 5B Series backplane to connect Amp Low to Analog Ground on the backplane e 5B and 7B Series thermocouple modules provide their own CJC and return a voltage that already compensates for CJC Therefore when using 5B or 7B Series modules you do not have to compensate for offsets The output of many 5B modules is 5 V The output of many 7B modules is 0 to 10 V Ensure that you select an input range that matches the output of the 5B or 7B modules that you are using For example if you are using 5B modules that have an output of 5 V use a bipolar input range and a gain of 2 on the DT9800 EC Series module Connect all unused inputs to analog common Reading an open channel can cause settling problems on the next valid channel Refer to the 5B Series User s Manual and 5B Series data sheets or the 7B Series User s Manual for detailed information on using the b
35. signal is not isolated on the Isolated Digital Ground DT9800 EC Series Figure 42 Connecting Event Counting Signals Shown for Clock Input 0 and External Gate 0 Figure 43 shows another example of connecting event counting signals to user counter 0 using an AC1324 screw terminal panel attached to connector J5 In this example a software gate is used to start the event counting operation however this connection is not required 68 Wiring Signals AC1324 Screw Terminal Panel D TB1 D TB2 RS D TB3 O TB4 f fA User Clock Input 0 O TB5 O TB6 p TB7 p TB8 Signal Source D TB9 D TB10 T Isolated Digital O TB11 Q TB12 Ground D TB13 p TB14 D TB15 p TB16 D TB17 D TB18 D TB19 L 9 TB20 D TB21 O TB22 This signal is not isolated on the D TB23 D TB24 DT9800 EC Series p TB25 p TB26 Figure 43 Connecting Event Counting Signals without an External Gate Input Shown for Clock Input 0 Figure 44 shows an example of how to cascade counters 0 and 1 externally to perform an event counting operation using an AC1324 screw terminal panel attached to connector J5 Note that you can also internally cascade counters using software if you internally cascade the counters you do not need to make the external cascading connections AC1324 Screw Terminal Panel Rm D TB1 D TB2 TB3 p TB4 a User Clock I
36. the module to begin conversions Using software specify the trigger source as a software trigger External trigger An external digital trigger event occurs when the DT9800 Series module detects a rising edge on the Ext A D Trigger input signal connected to screw terminal TB24 on the DT9800 Series module pin 24 of connector J1 The trigger signal is TTL compatible Using software specify the trigger source as an external positive digital TTL trigger 93 Chapter 6 Analog Input Conversion Modes DT9800 Series modules support the following conversion modes Single value operations are the simplest to use Using software you can either specify the range gain and 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 Note If you are using the DataAcq SDK with a DT9805 or DT9806 module you can specify the range and analog input channel and have the software determine the best gain for the range called autoranging Auto ranging is not supported in the DT Open Layers for NET Class Library Single value operations stop automatically when finished you cannot stop a single value operation Scan mode takes full advantage of the capabilities of the DT9800 Series modules In a scan you can specify a channel list clock source trigger source scan mode and b
37. 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 following 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 Figure 56 shows an example of a frequency measurement operation In this example three events are counted during a duration of 300 ms The frequency then is 10 Hz since 10 Hz 3 3 s 111 Chapter 6 112 3 Events Counted External C T Clock Input Signal E Duration over which the frequency is measured 300 ms frequency measurement frequency starts measurement stops Figure 56 Example of Frequency Measurement Rate Generation Use rate generation mode to generate a continuous pulse output signal from the counter 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 or other counter timer operations 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 The period of the output pulse is determined by the clock input signal and the ext
38. transition from the high level to the low level falling edge In software this is called a low edge gate type Note that this gate type is used only for one shot and repetitive one shot mode refer to page 110 for more information on these modes Rising edge external gate input Enables a counter timer operation on the transition from the low level to the high level rising edge In software this is called a high edge gate type Note that this gate type is used only for one shot and repetitive one shot mode refer to page 114 for more information on these modes Table 14 lists the screw terminals and pin numbers on the DT9800 Series modules that correspond to the gate input signals of each counter timer Table 14 Gate Input Signals Screw Terminal Screw Terminal on Module Counter Timer on Module J1 Pin AC1324 Panel J5 Pin DT9800 Standard Series 0 TB52 52 1 TB48 48 DT9800 EC Series 0 TB18 18 DT9800 EC I Series 1 TB14 14 Principles of Operation Pulse Output Types and Duty Cycles DT9800 Series modules can output pulses from each counter timer Table 15 lists the screw terminals of the modules that correspond to the pulse output signals of each counter timer Table 15 Pulse Output Signals Screw Terminal Screw Terminal on Module Counter Timer on Module J1 Pin AC1324 Panel J5 Pin DT9800 Standard Series 0 TB53 53 1 TB49 49 DT9800
39. trigger source and buffer for the digital input operation Refer to page 89 for more information on specifying digital input lines for a continuous digital input operation Dynamic digital output supported only in the DataAcq SDK is useful for synchronizing and controlling external equipment and allows you to output data to the dynamic digital output line each time an analog input value is acquired This mode is programmed through the A D subsystem refer to page 89 for more information 105 Chapter 6 Counter Timer Features The counter timer circuitry on the module provides the clocking circuitry used by the A D and D A subsystems as well as several user counter timer features This section describes the following user counter timer features Units described below e C T clock sources described on page 106 Gate types described on page 108 Pulse types and duty cycles described on page 109 Counter timer operation modes described on page 110 Units Two 16 bit counter timers are supported by all DT9800 Series modules The counters are numbered 0 and 1 Each counter accepts a clock input signal and gate input signal and outputs a clock output signal also called a pulse output signal as shown in Figure 53 Clock Input Signal internal external or Counter Pulse Output Signal internally cascaded Gate Input Signal software or external input Fig
40. wait over 5 minutes for any data since data is transferred only when 256 samples have been read Error Conditions The DT9800 Series modules can report an error if one of the following conditions occurs A D Over Sample error 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 the previous A D sample clock pulse The host computer can clear this error To avoid this error use a slower sampling rate s A D FIFO Full Flag set to 1 The data was not read fast enough by the host computer The host computer can clear this error If you encounter this error try allocating more buffers or larger buffers If one of these error conditions occurs the module reports the error but continues to acquire and transfer data to the host computer The LED on the front panel will not blink green if the hardware detects an error Principles of Operation Analog Output Features An analog output D A subsystem is provided on the following DT9800 Series modules only DT9802 DT9802 EC DT9802 EC I DT9804 DT9804 EC DT9804 EC I and DT9806 This section describes the following features of the D A subsystem Output resolution described below Analog output channels described on page 101 Output ranges and gains described on page 102 Conversion modes described on page 102 Data format described on page 103 Output Resolution Table 11
41. 0 EC or DT9800 EC I Series module you must configure your USB module for proper operation By default the 5B01 and 7BP16 1 backplanes map to single ended analog input channels 0 to 15 the 5B08 and 7BP08 1 backplanes map to single ended analog input channels 0 to 7 and the 7BP04 1 backplane maps to single ended analog input channels 0 to 3 However you can use channels 14 and 15 on the 5B01 or 7BP16 1 backplane as analog output channels 0 and 1 if you wish Note You cannot use analog output modules on the 5B08 7BP04 1 or 7BP08 1 backplane You can determine how channels 14 and 15 are used on the 5B01 and 7BP16 1 backplanes using DIP switch block SW1 on the DT9800 EC and DT9800 EC I modules DIP switch SW1 contains switches 1 to 4 To use channels 14 and 15 on the 5B01 or 7BP16 as analog inputs slide all the switches of DIP switch SW1 on the DT9800 EC or DT9800 EC I Series module to the OFF position To use channel 14 on the 5B01 or 7BP16 as analog output channel 0 set switches 1 and 3 of DIP switch SW1 on the DT9800 EC or DT9800 EC I Series module to the ON position To use channel 15 on the 5B01 or 7BP16 as analog output channel 1 set switches 2 and 4 of DIP switch SW1 on the DT9800 EC or DT9800 EC I Series modules to the ON position Refer to Figure 10 for the location of DIP switch SW1 Function Switch Settings Channel 14 is an Analog Input Set switches 1 and 3 of SW1 OFF Channel 15 is an Analog Input Set
42. 0 V h The analog output range is 10 V All DT9800 Series modules share the following major features One 8 bit digital input port and one 8 bit digital output port the digital input lines can be included as part of the analog input channel gain list to correlate the timing of analog and digital events digital outputs can drive external solid state relays Two 16 bit user counter timers programmable for event counting frequency measurement rate generation continuous pulse output one shot and repetitive one shot pulse output operations USB compatibility and galvanic isolation Software configurable termination resistance for differential inputs on a channel by channel basis Input gains of 1 2 4 and 8 for all modules except the DT9805 and DT9806 which support gains of 1 10 100 and 500 Continuously paced and triggered scan capability A 32 location channel gain list that supports sampling analog input channels at the same or different gains in sequential or random order Internal and external clock sources for the analog input subsystem Digital TTL triggering for the analog input subsystem One dynamic digital output line Programmable gate types and pulse output types In addition the DT9805 and DT9806 modules provide thermocouples and low level analog input capability A software calibration utility is provided for calibrating the analog I O subsystems of all modules 15 Chapter 1 16 Supported Software
43. 04 Return 11 Analog Input 05 12 Analog Input 13 05 Return 13 Analog Input 06 14 Analog Input 14 06 Return 15 Analog Input 07 16 Analog Input 15 07 Return 17 Isolated Analog Ground 18 Amp Low 19 Analog Output 0 20 Analog Output 0 Return 21 Analog Output 1 22 Analog Output 1 Return 23 Isolated Digital Ground 24 External A D Trigger 25 External A D Sample Clock In 26 Isolated Digital Ground 27 Isolated 5 V Out 28 Digital Input 0 29 Digital Input 1 30 Digital Input 2 31 Digital Input 3 32 Digital Input 4 33 Digital Input 5 34 Digital Input 6 35 Digital Input 7 36 Isolated Digital Ground 37 Isolated Digital Ground 38 Digital Output 7 39 Digital Output 6 40 Digital Output 5 41 Digital Output 4 42 Digital Output 3 43 Digital Output 2 44 Digital Output 1 45 Digital Output 0 46 Dynamic Digital Output 47 Isolated Digital Ground 48 External Gate 1 49 User Counter Output 1 50 User Clock Input 1 51 Isolated Digital Ground 52 External Gate 0 53 User Counter Output 0 54 User Clock Input 0 a 5 V output is available only when one of the subsystems is activated which in turn activates power to the module 154 Connector Pin Assignments Figure 62 shows the screw terminal assignments of the DT9800 Standard modules User Clk Input 0 User Cntr Out 0 External Gate 0 Isolated Dig Gnd User Clk Input 1 User Cntr Out 1 External Gate 1 Isolated Dig Gnd Dynamic Dig Out Digital Output 0 Digital Output 1 Digital Output 2 Digital Outpu
44. 22 Backplane 000 29 Attaching an STP EZ Screw Terminal Panel 30 Chapter 3 Configuring the Module and or Device Driver 31 Configuring the Device Driver ssssse een 33 Configuring the EC and EC I Series Modules 34 Chapter 4 Wiring Signals ex e x e x x cece eee 37 Wiring Signals to a DT9800 Standard Series Module 0000000000 ee 39 Connecting Analog Input Signals 00 40 Connecting Single Ended Voltage Inputs 0 66 c cece eee ees 41 Connecting Pseudo Differential Voltage Inputs 0 0 00 eee eae 42 Connecting Differential Voltage Inputs 00 0000000000 43 Connecting Current Loop Inputs 6 ccc cee eee 45 Connecting Thermocouple Inputs 66 6 c cece 46 Connecting Analog OutputSignals eese 47 Contents Connecting Digital I O Signals 0 000 47 Connecting Counter Timer Signals 48 Connecting Event Counting Signals 0 6 ene 48 Connecting Frequency Measurement Signals sss 50 Connecting Pulse Output Signals 2 0 0 6 eens 50 Wiring Signals to the EC or EC I Series 6 eee eens 53 Connecting Analog Input Signals 00 0 56 Using 5B or 7B Series Signal Conditioning Modules 0 56 Using an AC1324 Screw Terminal Panel nnana rreren 56 Connecting Single Ended Voltage Inputs 66 cc cece 58 Connecting Pseudo Differential Voltage Inputs ooooooomo
45. 324 screw terminal panel attached to connector J5 You attach the AC1324 screw terminal to connector J5 on the DT9800 EC or DT9800 EC I Series module as shown in Figure 34 AC1324 Screw Terminal Panel DT9800 EC or DT9800 EC I Series Module J4 Figure 34 Attaching the AC1324 Screw Terminal Panel to Connector J5 of the DT9800 EC EC I Series for Analog Outputs Figure 35 shows how to connect an analog output voltage signal channel 0 in this case to an AC1324 screw terminal For a description of the screw terminal blocks refer to Table 3 on page 54 AC1324 Screw Terminal Panel Analog Output 0 O TB1 TB2 Load D TB3 D TB4 Analog Output O Return O TB5 p TB6 D TB7 O TB8 O TB9 p TB10 D TB11 Q TB12 p TB13 TB14 D TB15 D TB16 D TB17 D TB18 D TB19 p TB20 D TB21 O TB22 D TB23 D TB24 p TB25 TB26 Figure 35 Connecting Analog Output Voltages Using an External 10 V Reference Shown for Channel 0 63 Chapter 4 64 Connecting Digital I O Signals The DT9800 EC and DT9800 EC I Series modules support digital I O signals through connector J4 This section shows how to wire digital I I signals to an STP EZ screw terminal panel attached to connector JA You attach the STP EZ screw terminal to connector J4 on the DT9800 EC or DT9800 EC I Series module as shown in Figure 36 TB
46. 41 57 pulse output duty cycle 109 one shot 113 rate generation 112 repetitive one shot 114 testing 82 types 109 wiring 50 71 pulse train output 112 pulse width 109 PWR 977 power supply 17 Q Quick Data Acq 16 installing 75 running 75 quickDAQ 16 R ranges analog input 90 analog output 102 number of 122 rate generation 126 repetitive one shot mode 114 126 resolution analog input 87 analog output 101 available 122 digital I O 104 number of 122 retrigger 97 retrigger clock 95 retrigger frequency 95 120 169 Index 170 retriggered scan mode externally 97 software 95 returning boards to the factory 141 rising edge gate 108 RMA 141 running the Quick Data Acq application 75 S sample clock external A D 93 internal A D 92 sample rate 94 scan mode externally retriggered 97 software retriggered 95 screw terminal panels AC1324 17 STP EZ 17 SDK 16 service and support procedure 140 signal conditioning backplanes 5B01 17 5B08 17 7BP04 1 17 7BP08 1 17 7BP16 1 17 simultaneous sample and hold support 121 single buffer wrap mode 120 single ended channels 121 number of 121 single ended inputs 40 57 single value operations 119 analog input 94 digital I O 105 size module 150 software packages 16 software supported 16 software trigger 93 124 software retriggered scan mode 95 specifications 143 analog input 144 analog output 147 counter timer 149 digital I O 148 environmental 150 151 physica
47. 5 p TB6 6 Vsource 1 D TB7 p TB8 D TB9 O TB10 O TB11 Q TB12 e Vsource 2 p TB13 p TB14 Analog In 2 D TB15 D TB16 D TB17 D TB18 D TB19 p TB20 D TB21 O TB22 ven O TB23 D TB24 TB2 Amp Low D S O TB26 Ha Isolated Analog Ground Make this connection as close to Vy sources as possible to reduce ground loop errors V is the common mode voltage for all 16 analog inputs This signal is not isolated on the DT9800 EC Series Figure 30 Connecting Pseudo Differential Voltage Inputs Shown for Channels 0 1 and 2 Note If you are using pseudo differential inputs set up the software so that bias return resistance is not used For more information refer to page 33 Connecting Differential Voltage Inputs Figure 31A illustrates how to connect a floating signal source to a DT9800 EC or DT9800 EC I Series module using differential inputs A floating signal source is a voltage source that has no connection with earth ground For floating signal sources it is recommended that you provide a bias return path for the differential channels by adding 10 kQ of termination resistance from the low side of the channel to isolated analog ground For more information on configuring the bias return resistance refer to page 33 59 Chapter 4 60 Note Analog ground is not isolated on the DT9800 EC Series Figure 31B illustrates how to connect a nonfloating signal source to a DT9800 EC or DT9800 EC
48. A D Sample Clock Trigger event occurs Module waits Retrigger event occurs data acquired for one for retrigger data acquired for one scan of the channel list event scan of the channel list Figure 52 Triggered Scan Mode Specify the frequency of the internal retrigger clock using software The minimum retrigger frequency is 0 75 Hz 0 75 Samples s the maximum retrigger rate of each DT9800 Series module is listed in Table 8 on page 96 Table 8 Maximum Retrigger Frequency Function Maximum Module Series Module Name Retrigger Frequency DT9800 Standard DT9801 100 kHz DT9802 DT9803 DT9804 DT9805 50 kHz DT9806 DT9800 EC DT9801 EC 100 kHz DT9802 EC DT9803 EC DT9804 EC DT9800 EC DT9801 EC I 100 kHz DT9802 EC DT9803 EC DT9804 EC a The maximum retrigger frequency is 50 kHz for a single channel or a channel scan when the gain is 1 or 10 10 kHz for a channel scan when the gain is 100 and 2 kHz for a channel scan when the gain is 500 The appropriate retrigger frequency depends on a number of factors determined by the following equations Min Retrigger of CGL entries 2 Us Period A D sample clock frequency Max Retrigger 1 Frequency Min Retrigger Period 96 Principles of Operation For example if you are using 16 channels in the channel list and using an A D sample clock with a frequency of 50 kHz set the maximum retrigger frequency to 3 106 kHz since
49. Channel List 89 Performing Dynamic Digital Output Operations lt e 000005 89 Input Ranges and Gains 2 eee eens 90 Contents A D Sample Clock Sources ire nn eono EDn ER RRR RT N 92 Internal A D Sample Clock serso Ra RR RR RAR eee eee 92 External A D Sample Clock 0 00 c eee eee ee 93 APIS RCTS m ch oa a ad recede Baise UA toes a e rame THEN 93 Analog Input Conversion Modes 6 6c cece eens 94 Continuously Paced Scan Mode 0 6 00 cece eee eee eee 94 Triggered Scan Mode 12 25 correre nece eR 95 Software Retriggered Scan Mode 0 00 95 Externally Retriggered Scan Mode 0 00 e eee eee eee 97 Data Format sees eR eh esce TR aped 98 Data Transfer asse t REN se NA RIEN Aa 100 Error Conditions i dE TREE A eS DU EE RIED UE AA RU ERE wakes 100 Analog Output Features ssec Ete CUN at elec nee aee 101 Output Resolution i bebe es tasas rada tad seduce ant ERG ANUS 101 Analog Output Channels ssssssssssesss ee 101 Output Ranges and Gains en 102 Conversion Modes sc eer n pD ex a EN EG ENG US SUR E RON es 102 Data Form t to ee e eet A dre a ek wales ERU MEE ek MADERA 103 Digital I O Feat res 000 SOR A O Vene 104 Digital T O LINES eicere me ard dg nonkaa aa ESLER S ARGUS tA S 104 RESOLUCION 4 357 mU A NIAI ee A RE Ree teilte eode tans 104 Operation Modes dias eroe nen itd ete ee Varas 105 Counter Timer Features eee rt 106 UMS io Sead P
50. DT9803 EC EC I DT9802 EC EC I DT9804 EC EC I Feature Specifications DT9805 DT9806 Specifications Number of analog inputs Single ended pseudo differential 16 16 Differential 8 7 thermocouple inputs 1 CJC on DT9805 06 Number of gains 4 1 2 4 8 4 1 2 4 and 8 for DT9803 04 1 10 100 500 for DT9805 06 Resolution 12 bits 16 bits Data encoding Offset binary Coupling DC Over voltage protection Off 25 V On 40 V ESD protection 1 5 kV System Error 0 03 FSR 0 01 FSR System accuracy full scale Gain 1 0 03 0 01 Gain 2 0 04 0 02 Gain 4 0 05 0 03 Gain 8 0 05 0 03 DT9805 9806 only Gain 10 0 02 Gain 100 0 03 Gain 500 0 04 Nonlinearity integral 1 0 LSBs 4 0 LSBs Differential linearity 0 5 LSBs no missing codes 1 0 LSBs no missing codes for DT9803 04 1 2 LSBs no missing codes for DT9805 06 Range 0 to 1 25 V 25V 5V 10V 1 25 V 2 5 V 5 V 10 V for DT9803 04 1 25 2 5 5 10V 0 020 V 0 10 V 1 V 10 V for DT9805 06 Specifications Table 31 A D Subsystem Specifications cont DT9801 EC EC I DT9802 EC EC I DT9803 EC EC I DT9804 EC EC I Feature Specifications DT9805 DT9806 Specifications Drift Zero 30 uV 20 uV Gain C 25 uV 10 uV Gain C for DT9803 04 25 uV 5 uV Gain C for DT9805 06 Gain 30 ppm C 20 ppm C Input impedance Off 100 MQ 10 pF On 100 MQ 100 p
51. EC Series 0 TB19 19 DT9800 EC I Series 1 TB15 15 DT9800 Series modules support the following pulse output types on the clock output signal 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 The duty cycle or pulse width indicates the percentage of the total pulse output period that is active A duty cycle of 50 then indicates that half of the total pulse is low and half of the total pulse output is high You specify the duty cycle in software Note The minimum pulse width must be 650 ns Figure 54 illustrates a low to high pulse with a duty cycle of approximately 30 Active Pulse Width r9 high pulse lt Total Pulse Period low pulse Figure 54 Example of a Low to High Pulse Output Type 109 Chapter 6 Counter Timer Operation Modes DT9800 Series modules support the following counter timer operation modes e Event counting Frequency measurement Rate generation e One shot e Repetitive one shot The following subsections describe these modes in more detail Event Counting Use event counting mode to count events clock pulses from the counter
52. F Channel gain list 32 Samples Internal reference 2 5 V 0 002 V Input bias current 20 nA 20 nA for DT9803 04 250 nA for DT9805 06 Ch1 7 10 nA for DT9805 06 Ch8 15 Common mode voltage 11 V maximum operational Maximum input voltage 40 V maximum protection A D converter noise 0 3 LSB rms 0 4 LSB rms Amplifier input noise 20 uV rms 10 uV rms gain 200 pA rms current 15 uV rms 10 uV rms gain 100 pA rms current Channel to channel offset 40 uV 40 uV Channel acquisition time 3 us 5 us for DT9803 04 6 us Gain 1 for DT9805 06 250 us Gain 500 for DT9805 06 A D conversion time 6 6 us 8 us Effective number of bits ENOB at 11 5 bits 13 5 bits for DT9803 04 1 kHz input 14 1 bits for DT9805 06 Total Harmonic Distortion 80 dB typical 90 dB typical Channel crosstalk 80 dB 1 kHz Minimum Data Throughput 0 75 S s Internal Clock 145 Appendix A 146 Table 31 A D Subsystem Specifications cont Feature DT9801 EC EC I DT9802 EC EC I Specifications DT9803 EC EC I DT9804 EC EC I DT9805 DT9806 Specifications Data throughput Single analog channel Multiple channels scan with gain of 1 to 10 Multiple channels scan with gain of 100 100 kSamples s 0 03 accuracy 100 kSamples s for DT9803 04 0 0196 accuracy 50 kSamples s for DT9805 06 0 0196 accuracy 100 kSamples s 0 03 accurac
53. I Series module using differential inputs In this case the signal source itself provides the bias return path therefore you do not need to provide bias return resistance through software R is the signal source resistance while R is the resistance required to balance the bridge Note that the negative side of the bridge supply must be returned to analog ground AC1324 Screw Terminal Panel A TB1 TB2 Analog In 0 o TB3 2 TB4 Floating Q9 p TB5 O TB6 Signal R O TB7 O TB8 Source y Analog In 0 D TB9 p TB10 N Return O TB11 0 TB12 d p TB13 Q TB14 D TB15 O TB16 D TB17 D TB18 O TB19 p TB20 O TB21 D TB22 D TB23 D TB24 p TB25 Q TB26 When configuring the DT9800 Series Device Driver we recommend that you software select 10 kQ of resistance to connect the low side of channel 0 to analog ground a physical resistor is not required For more information refer to B page 33 AC1324 Screw Terminal Panel Analog In 0 Q TB1 QQ TB2 O TB3 p TB4 Analog In 0 Q TB5 D TB6 Return D TB7 O TB8 D TB9 p TB10 O TB11 D TB12 p TB13 Q TB14 O TB15 O TB16 P D TB17 D TB18 DC Supply D TB19 p TB20 D TB21 D TB22 D TB23 D TB24 O TB25 p TB26 This signal is not isolated on the DT9800 EC Series Figure 31 Connecting Differential Voltage Inputs Shown for Channel 0 Wiring Signals
54. Note that since they measure the difference between the signals at the high and low 3 inputs differential connections usually cancel any common mode voltages leaving only the signal However if you are using a grounded signal source and ground loop problems arise connect the differential signals to the AC1324 screw terminal panel as shown in Figure 32 In this case make sure that the low side of the signal 3 is connected to ground at the signal source not at the AC1324 screw terminal panel and do not tie the two grounds together Grounded Signal Source AC1324 Screw Terminal Panel Analog In 0 D TB1 D TB2 Q TB3 D TB4 ES O TB5 p TB6 Analog In 0 D TB7 D TB8 EN Return D TB9 qy THO N p TB11 O TB12 s L 4 O TB13 TB14 TB15 D TB16 Signal Source tenlated Analog D TB17 D TB18 Ground Va Ground D TB19 p TB20 D TB21 D TB22 D TB23 D TB24 p TB25 p TB26 This signal is not isolated on the DT9800 EC Series When configuring the DT9800 Series Device Driver we recommend that you software select 10 kQ of resistance to connect the low side of channel 0 to analog ground a physical resistor is not required For more information refer to page 33 Figure 32 Connecting Differential Voltage Inputs from a Grounded Signal Source Shown for Channel 0 61 Chapter 4 Connecting Current Loop Inputs Figure 33 shows how to connect a current loop input channel
55. Plug one end of an EP035 cable into the J4 connector of the DT9800 EC or DT9800 EC I Series module 2 Plug the other end of the EP035 cable into the 50 pin connector on the PB16H Opto 22 backplane as shown in Figure 8 USB Cable J4 Connector to Host Computer DT9800 EC EN DT9800 EC I Budae PB16H Opto 22 Backplane EP035 50 Pin Ribbon Cable Figure 8 Connecting the PB16H Opto 22 Backplane to the DT9800 EC or DT9800 EC I Series Module 29 Chapter 2 Attaching an STP EZ Screw Terminal Panel To connect an STP EZ screw terminal panel to a DT9800 EC or DT9800 EC I Series module do the following 1 Attach one end of the 50 pin cable that is shipped with the STP EZ screw terminal panel into connector J4 on the DT9800 EC or DT9800 EC I board 2 Attach the other end of the cable to the J1 connector on the STP EZ screw terminal panel as shown in Figure 9 J4 Connector USB Cable to Host y Computer DT9800 EC DT9800 EC I STP EZ 50 Pin Ribbon Cable 1 Connector Figure 9 Connecting the STP EZ to the DT9800 EC or DT9800 EC I Module 30 9 Z Configuring the Module and or Device Configuring the Device R TTT 33 Configuring the EC and EC Series Modules 0 044 a sets 34 Chapter 3 C Install the Module N see Chapter 2 starting on page 21 A Configure the Module and or Device Driver this chapter
56. RTD Resistance Support ReturnsOhms Voltage Converted to Temperature in Hardware SupportsTemperatureDatalnStream Supported Thermocouple Types J ThermocoupleType R S Supported RTD Types RTDType Supports CJC Source Internally in Hardware SupportsCjcSourcelnternal Supports CJC Channel SupportsCjcSourceChannel Yes Available CJC Channels CjcChannel 0 Supports Interleaved CJC Values in Data Stream SupportsInterleavedCjcTemperaturesInStream Supports Programmable Filters SupportsTemperatureFilters Programmable Filter Types TemperatureFilterType a Thermocouple inputs are supported on the DT9805 and DT9806 modules IEPE Support Table 26 DT9800 Series IEPE Support Options DT9800 Series A D D A DIN DOUT C T QUAD Software Programmable AC Coupling SupportsACCoupling Software Programmable DC Coupling SupportsDCCoupling Software Programmable External Excitation Current Source SupportsExternalExcitationCurrentSrc Software Programmable Internal Excitation Current Source SupportsInternalExcitationCurrentSrc Available Excitation Current Source Values SupportedExcitationCurrentValues 123 Chapter 7 Triggers 124 Table 27 DT9800 Series Trigger Options DT9800 Series A D D A DIN DOUT C T QUAD Software Trigger Support SupportsSoftwareTrigger Yes Yes Yes Yes Yes External Positive TTL Trigge
57. a 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 Save the input data to disk Verifying the Operation of a Module Running the Quick DataAcq Application The Quick DataAcq application is installed automatically when you install the driver software To run the Quick DataAcq application do the following 1 If you 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 Incl 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 support all of the board s features For information on each of the features provided use the online help for the Quick DataAcq 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 Files Data Translation Win32 dtdataacq hlp where C is the letter of your hard disk drive 75 Chapter 5 76 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 t
58. ach Table 1 Key Features Among the DT9800 Series Function of Analog Input of Analog Series Modules Analog Inputs Sample Rate Outputs DT9800 Standard Series DT9801 16 SE 8 DI 100 kS s 0 DT9802 16 SE 8 DI 100 kS s 2 DT9803 16 SE 8 DI 100 kS s 0 DT9804 16 SE 8 DI 100 kS s 2 DT9805 16 SE 8 DI 50 kS s 0 7 thermocouples and 1 CJC DT9806 16 SE 8 DI 50 kS s 2 7 thermocouples and 1 CJC DT9800 EC Series DT9801 EC 16 SE 8 DI 100 kS s 0 DT9802 EC 16 SE 8 DI 100 kS s 2f DT9803 EC gt 16 SE 8 DIS 100 kS s 0 DT9804 EC gt 16 SE 8 DIS 100 kS s 2h 14 Overview Table 1 Key Features Among the DT9800 Series cont Function of Analog Input of Analog Series Modules Analog Inputs Sample Rate Outputs DT9800 EC I Series DT9801 EC I 16 SE 8 DIS 100 kS s 0 DT9802 EC I 16 SE 8 DI 100 kS s al DT9803 EC I gt 16 SE 8 DIS 100 kS s 0 DT9804 EC 16 SE 8 DI9 100 kS s ph a The resolution is 12 bits b The resolution is 16 bits c The gains provided on the DT9805 and DT9806 are 1 10 100 and 500 All other modules provide gains of 1 2 4 and 8 d The DT9800 EC Series boards are nonisolated the DT9800 EC I Series boards and all other DT9800 Series boards are isolated e The analog input range is 0 to 10 V or 10 V f The analog output range is 0 to 10 V 0 to 5 V 10 V or 5 V g The analog input range is 1
59. ackplanes and modules including how to configure jumpers on the backplane install modules wire signals to the modules and connect power to the backplanes Using an AC1324 Screw Terminal Panel The DT9800 EC and DT9800 EC I Series modules support both voltage and current loop inputs through connector J6 You attach the AC1324 screw terminal to connector J6 on the DT9800 EC or DT9800 EC I Series module as shown in Figure 28 56 Wiring Signals AC1324 Screw Terminal Panel DT9800 EC or DT9800 EC I Series Module J5 J4 Figure 28 Attaching the AC1324 Screw Terminal Panel to Connector J6 of the DT9800 EC EC I for Analog Inputs You can connect analog input voltage signals to an AC1324 screw terminal panel in the following configurations Single ended Choose this configuration when you want to measure high level signals noise is not significant the source of the input is close to the DT9800 EC or DT9800 EC I Series module and all the input signals are referred to the same common ground When you choose the single ended configuration all 16 analog input channels are available Pseudo Differential Choose this configuration when noise or common mode voltage the difference between the ground potentials of the signal source and the ground of the DT9800 EC or DT9800 EC I Series module or between the grounds of other signals exists and the differential conf
60. acts e ES T rd noo eo tot ede e 106 G T Clock TE uen SEU C Cen e IE ex 106 Internal C T Clock oss he eee ERR ERE RR ERU Gu ER REENRPAS 107 External CT Clock 0E ere tr re eee wwe 107 Internally Cascaded Clock esee 107 Gate Types tees esa tbe eee esee PA bRESU aos da ir ibd dus ea 108 Pulse Output Types and Duty Cycles 0 0 ccc nen 109 Counter Timer Operation Modes 0000 110 Event Countmpg iusso ern bee eena kata oet he quus gaat soa 110 Frequency Measurement eeii EAG TARE en 111 Rate Generation siya ee eere eret eere rhum 112 One Shot eke tes cud ALE eho UN DER ER URP S N a 113 Repetitive One Shot A a A A E een 114 Chapter 7 Supported Device Driver CapabilitieS 117 Data Flow and Operation Options en 119 Buffering gs 9 a R me era ek aa ey ee nda i Hye e due 120 Triggered Scan Mod orb Us L da aa ILS RM Le botas 120 Data Encoding o e rer een As eR eO te I aede EE ec 120 Contents Channels 59 E dete IS tcs RR TEA util Cena ty ole cons sis 121 GAIN oes os Peete hee oe a a A EE GA dete he eee ae Sees 121 R ng es usas tee hited pes NIA RR dob es naa Ho Ve mie y 122 Resolution o tener tS Ed dada edu etie un E 122 Thermocouple and RTD Support e 0 123 IEPE Support iced tbe waa chee CERES bebe sud daeae Leda de deb ede damier 123 MASCOTS Ghia loco Le CAE T oo Merito teh cte d e a ects TE ten Ce Pe Ae 124 Le le redire dee re e tet DNE RC a E NR 125 Counter Timets rr
61. al is Organized The manual is organized as follows e Chapter 1 Overview describes the major features of the modules as well as the supported software and accessories for the modules Chapter 2 Installing a Module describes how to install the DT9800 Series module e Chapter 3 Configuring the Module and or Device Driver describes how to configure the device driver and the module Chapter 4 Wiring Signals describes how to wire signals to a DT9800 Series module Chapter 5 Verifying the Operation of a Module describes how to verify the operation of the module with the Quick DataAcq application Chapter 6 Principles of Operation describes all of the features of the modules 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 DT9800 Series Device Driver Chapter 8 Calibration describes how to calibrate the analog I O circuitry of the modules About this Manual 10 Chapter 9 Troubleshooting provides information that you can use to resolve problems with the modules and the device driver should they occur Appendix A Specifications lists the specifications of the modules Appendix B Connector Pin Assignments shows the pin assignments for the connectors and the screw terminal assignments for the modules An index completes this manua
62. alog Output 1 3 Not used 4 Not used 5 Digital Ground 6 Not used 7 External ADC Clock 8 Counter 0 Clock 9 Counter 0 Out 10 Counter 1 Clock 11 Counter 1 Out 12 Not used 13 Not used 14 Not used 15 Not used 16 Not used 17 Not used 18 Digital Ground 19 Not used 20 Analog Output 0 Return 21 Analog Output 1 Return 22 Not used 23 Not used 24 Digital Ground 25 Not used 26 External ADC Trigger 27 Digital Ground 28 Counter 0 Gate 29 Digital Ground 30 Counter 1 Gate 31 Digital Ground 32 Not used 33 Digital Ground 34 Not used 35 Digital Ground 36 Not used 37 Digital Ground 163 Appendix B 164 Numerics 50 pin cable 30 5B01 17 27 attaching to a module 28 considerations when connecting signals 56 5B08 17 27 attaching to a module 28 considerations when connecting signals 56 7BP04 1 17 27 attaching to a module 28 considerations when connecting signals 56 7BP08 1 17 27 attaching to a module 28 considerations when connecting signals 56 7BP16 1 17 27 attaching to a module 28 considerations when connecting signals 56 A A D FIFO Full Flag 100 A D Over Sample error 100 A D sample clock 92 external 93 internal 92 A D subsystem 87 specifications 144 A D trigger 93 AC1315 cable 17 28 29 AC1324 screw terminal panel 17 27 attaching 29 AC1393 adapter cable 17 29 accessories 17 aliasing 93 analog input features 87 A D sample clock 92 calibrating 132 channel list 88 channels 88 conversion modes 94 data format 98
63. annels 16 0 0 0 0 0 DI Support SupportsDifferential Yes Yes Yes Yes Yes DI Channels MaxDifferentialChannels 8 2 1 1 1 0 Maximum Channel Gain List Depth CGLDepth 32 0 0 0 0 0 Simultaneous Sample and Hold Support SupportsSimultaneousSampleHold Channel List Inhibit SupportsChannelListlnhibit a Channels 0 to 15 are provided for single ended or pseudo differential analog inputs channels 0 to 7 are provided for differential inputs Channel 16 reads all 8 bits from the DIN subsystem Port A Gain Table 22 DT9800 Series Gain Options DT9800 Series A D D A DIN DOUT C T QUAD Programmable Gain Support SupportsProgrammableGain Yes Number of Gains NumberOfSupportedGains 42 1 1 1 0 0 Gains Available 1 2 4 80r SupportedGains 1 10 100 500 a The DT9805 and DT9806 modules support gains of 1 10 100 and 500 all other DT9800 Series modules support gains of 1 2 4 and 8 121 Chapter 7 Ranges Resolution Table 24 DT9800 Series Resolution Options DT9800 Series A D D A DIN DOUT C T QUAD Software Programmable Resolution SupportsSoftwareResolution Number of Resolutions NumberOfResolutions 1 1 1 1 1 0 Available Resolutions 12 or 12 or SupportedResolutions 168 165 8 8 16 122 Table 23 DT9800 Series Range Options DT9800 Series A D D A DIN DOUT C T QUAD Number of Voltage Ranges NumberOfRanges 2a 4b 0 0 0 0 Available Ranges
64. ard DT9802 0 to 10 V or x10 Vor Series 0to5V 5 V DT9804 N A 10 V DT9806 DT9800 EC Series DT9802 EC 0 to 10 V or x10 Vor 0to5V 5 V DT9804 EC N A 10 V DT9800 EC I Series DT9802 EC I 0to 10 V or 10 V or 0to5V 5 V DT9804 EC I N A 10 V Specify the range using software set the gain to 1 Conversion Modes DT9802 DT9802 EC DT9802 EC I DT9804 DT9804 EC DT9804 EC I and DT9806 modules can perform single value analog output operations only Use software to specify the range gain and analog output channel then output the data from the specified channel You cannot specify a clock source trigger source or buffer Note You cannot perform a single value analog output operation while the A D subsystem is running The settling time for each DAC is 50 us 20 V steps Single value operations stop automatically when finished you cannot stop a single value operation 102 Principles of Operation Data Format Data from the host computer must use offset binary data encoding for analog output signals Using software specify the data encoding as binary In software you need to supply a code that corresponds to the analog output value you want the module to output To convert a voltage to a code use the following formulas LSB FSR 2N Code Vout offset LSB where LSB is the least significant bit e FSR is the full scale range 10 e Nis the output resolution see Table 11 on page 101 for a
65. ations 149 cables 50 pin to STP EZ 30 AC1315 17 28 29 AC1393 17 AC1393 adapter 29 EP035 17 29 EP365 17 24 calibration analog input subsystem 132 analog output subsystem 134 136 running the utility 131 Calibration utility 16 cascading counter timers 107 126 externally 49 51 69 71 72 CGL see channel gain list 121 CGLDepth 121 channel type differential 121 single ended 121 channel gain list 88 depth 121 channels analog input 88 analog output 101 counter timer 106 digital I O 104 number of 121 CJC on 5B Series modules 35 56 on the DT9805 and DT9806 46 CJC Adj box 135 CJC channel 123 available 123 CjcChannel 123 clocks base frequency 125 external 125 external A D sample clock 93 external C T clock 107 internal 125 internal A D sample clock 92 internal C T clock 107 internal retrigger clock 95 internally cascaded C T clock 107 maximum external clock divider 125 maximum throughput 125 minimum external clock divider 125 minimum throughput 125 configuring the device driver 33 configuring the DT9800 EC and DT9800 EC I modules 34 connecting signals analog outputs 47 63 current loop analog inputs 45 62 differential analog inputs 43 59 digital inputs and outputs 47 64 event counting applications 48 49 68 externally cascaded counter timers 49 51 69 71 72 frequency measurement applications 50 70 pseudo differential analog inputs 42 59 pulse output applications 50 71 single ended analog inputs 41 58
66. cations 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 ases aa ae a E eee eee 9 Intended Audiences cca R eee E RR beber ERE da re b wre le 9 How this Manual is Organized 9 Conventions Used in this Manual aea R aA a eee nett nee N A 10 Related Information 2I o dd Pen wie teas 10 Where Lo Get Help a eee etes igo ss A Eoi ul cbe pass 11 Chapter 1 Overview ooooooccccconn Rh nnn 13 EAU soso gece A OR ERE yada nit eet ARA A eR p ree UR 14 Supported Softwares o dere D e EPIRI Ebr vlt Mi e vuoi e ete Pa 16 Accessories 17 Ls eR dai Y d HRS A EDDIE DU ER tale GE ASA 17 Getting Started Procedure 0 6 nn een ees 18 Part 1 Getting Started iov e x Zola x ker o end ee 19 Chapter 2 Installing a Module lsleeeeeeeenn I 21 Unpacking ue Sx ue TURCIS eu Es ene eeu 23 Attaching Modules to the Computer eee 24 Connecting Directly to the USB Ports 66 24 Connecting to an Expansion Hub eee 25 Attaching Backplanes Panels to the EC or EC I Series ooooooococcocccccccco ooo 27 Attaching a 5B Series Backplane eh 28 Attaching a 7B Series Backplane 0 00000 28 Attaching an AC1324 Screw Terminal Panel 0000000000008 29 Attaching a PB16H Opto
67. cifications Z eE a n e enn eee 160 D Sub Connector Pin Assignments 6 60 e ccc rr 161 Index duce ete esce e are n Cua Waa a ea aa Mata aye eara dde 165 About this Manual The first part of this manual describes how to install and set up your DT9800 Series module and device driver and verify that your module is working properly The second part of this manual describes the features of the DT9800 Series modules the capabilities of the DT9800 Series Device Driver and how to program the DT9800 Series modules using the DT Open Layers for NET Class Library software Troubleshooting and calibration information is also provided Note For information on checking system requirements installing the software and viewing the documentation refer to the README file on the OMNI CD For more information on the class library 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 Intended Audience This document is intended for engineers scientists technicians or others responsible for using and or programming the DT9800 Series modules for data acquisition operations in the Microsoft Windows XP or Windows Vista or Windows 7 operating system It is assumed that you have some familiarity with data acquisition principles and that you understand your application How this Manu
68. de with a 75 Duty Cycle 75 duty cycle Continuous Pulse Output Operation Starts External C T Clock Input Signal 4 kHz Pulse Output Signal Figure 58 Example of Rate Generation Mode with a 25 Duty Cycle One Shot S 25 duty cycle Use one shot mode to generate a single pulse output signal from the counter when the operation is triggered determined by the gate input signal You can use this pulse output signal as an external digital TTL trigger to start other operations such as analog input operations When the one shot operation is triggered a single pulse is output then the one shot operation stops All subsequent clock input signals and gate input signals are ignored 113 Chapter 6 114 The period of the output pulse is determined by the clock input signal In one shot mode the internal C T clock source is more useful than an external C T clock source refer to page 106 for more information on the internal C T clock source Using software specify the counter timer mode as one shot the clock source as internal the polarity of the output pulse high to low transition or low to high transition and the gate type to trigger the operation as rising edge or falling edge Refer to page 109 for more information on pulse output types and to page 108 for more information on gate type
69. dule continue with the next section Otherwise continue with the instructions on wiring in Chapter 4 starting on page 37 26 Installing a Module Attaching Backplanes Panels to the EC or EC I Series Only the DT9800 EC and DT9800 EC I Series modules support Analog Devices 5B and 7B Series backplanes the Opto 22 PB16H digital I O backplane and the Data Translation STP EZ backplane and AC1324 screw terminal panel The DT9800 EC and DT9800 EC I Series modules provide the following three connectors Connector J6 Supports 5B and 7B Series backplanes or an AC1324 screw terminal panel for analog input connections Specific 5B and 7B Series backplanes that are supported include the following 5B01 a 16 channel backplane for 5B Series signal conditioning modules 5B08 an 8 channel backplane for 5B Series signal conditioning modules 7BP16 1 a 16 channel backplane for 7B Series signal conditioning modules 7BP08 1 an 8 channel backplane for 7B Series signal conditioning modules 7BP04 1 a 4 channel backplane for 7B Series signal conditioning modules Connector J5 Supports an AC1324 screw terminal panel for analog output dynamic digital output counter timer and power connections Connector J4 Supports the STP EZ and the PB16H digital I O backplane The PB16H supports eight digital inputs at locations 0 to 7 and eight digital outputs at locations 8 to 15 Figure 4 shows the location of these conn
70. e Use this method if one or two DT9800 Series modules are sufficient for your application Connect to one or more self powered USB hubs described on page 25 Use this method if your application requires more DT9800 Series modules than the USB ports on the host computer You must install the device driver before connecting your DT9800 Series module s to the host computer Note DT9800 Series modules are low power devices using less than 500 mA therefore they do not require external power supplies Connecting Directly to the USB Ports To connect a DT9800 Series module directly to a USB port on your computer do the following 1 Attach one end of the EP365 USB cable which is shipped with the DT9800 Series module to the USB port on the module 2 Attach the other end of the EP365 cable to one of the USB ports on the host computer as shown in Figure 2 The operating system automatically detects the USB device and starts the Found New Hardware wizard USB Ports i DT9800 Series A 4 Modules Host Computer EP365 Cables Figure 2 Attaching the Module to the Host Computer 3 For Windows Vista a Click Locate and install driver software recommended The popup message Windows needs your permission to continue appears b Click Continue The Windows Security dialog box appears c Click Install this driver software anyway 24 Installing a Module For W
71. e an external clock source to counter timer 0 on the DT9800 Series module Refer to page 50 for the DT9800 Standard Series or page 70 for the DT9800 EC or DT9800 EC I Series 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 Frequency Counter from the Acquisition menu Select the appropriate DT9800 Series module from the Board list box Once you select the module the LED on the module turns red 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 application displays the frequency on the screen If you want to stop the frequency measurement operation when it is in progress click Stop 81 Chapter 5 82 Testing Pulse Output To verify that the module can perform a pulse output operation do the following 1 Connect a scope to counter timer 0 on the DT9800 Series module Refer to page 50 for the DT9800 Standard Series or page 71 for the DT9800 EC or DT9800 EC I Series 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 In the Quick DataAcq application choose Pulse Generator from the Control menu S
72. e and a gain of 2 on the DT9800 EC and DT9800 EC I Series modules e Connect all unused inputs to analog common Reading an open channel can cause settling problems on the next valid channel 35 Chapter 3 36 Y Wiring Signals Wiring Signals to a DT9800 Standard Series Module sss 39 Wiring Signals to the EC or EC I Series 37 Chapter 4 C Install the Module N see Chapter 2 starting on page 21 J Configure the Module and or Device Driver see Chapter 3 starting on page 31 Wire Signals this chapter Verify the Operation of the Module see Chapter 5 starting on page 73 Note For information about the special DT9804 BNC modules refer to DT9804 BNC Modules in Appendix B 38 Wiring Signals Wiring Signals to a DT9800 Standard Series Module Keep the following recommendations in mind when wiring signals to a DT9800 Standard Series module Follow standard ESD procedures when wiring signals to the module Use individually shielded twisted pair wire size 14 to 26 AWG when using the DT9800 Standard Series module in highly noisy electrical environments Separate power and signal lines by using physically different wiring paths or conduits To avoid noise do not locate the DT9800 Standard Series module and cabling next to sources that produce high electromagnetic fields such as large electric motors power lines solenoids and electric arcs unl
73. e negative side of the precision voltage source 2 3 4 Connect Analog Input 0 Return TB2 to Analog Ground TB17 Connect Analog In 1 TB3 to Analog In 1 Return TB4 and to Analog Ground TB17 When you are finished connecting the external reference calibrate the module as described in the next section Using the Auto Calibration Procedure Auto calibration is the easiest to use and is the recommended calibration method To calibrate the analog input subsystem automatically do the following 1 Click Go in the Auto Calibration box The zero and full scale ranges are automatically calibrated Note If you are not satisfied with the analog input calibration you can load the factory default settings stored in the EEPROM by clicking Restore in the A D Configuration Factory Settings box Once you have finished this procedure the analog input circuitry is calibrated If you are using a DT9805 or DT9806 module we recommend that you calibrate the thermocouple circuitry using the instructions on page 134 Otherwise you can calibrate the analog output circuitry if you wish following the instructions on page 136 Calibration Using the Manual Calibration Procedure To calibrate the analog input subsystem manually do the following 1 2 Click A D Ch 1 Click the increment or decrement arrows in the Offset box until the A D value on the screen reads 0 V within 0 001 V for the DT9803 DT9803 EC DT9803 EC I
74. e screw terminals on the module You use an A D sample clock to pace the acquisition of each channel in the channel list this clock is also called the A D pacer clock Note If you enter digital input channel 16 in the channel list the A D sample clock internal or external also paces the acquisition of the eight digital input lines The following subsections describe the internal and external A D sample clocks in more detail Internal A D Sample Clock The internal A D sample clock uses a 12 MHz time base Conversions start on the rising edge of the counter output the output pulse is active low 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 Hz 0 75 Samples s the maximum frequency supported depends on the module type Table 7 lists the maximum sampling rate of the DT9800 Series modules Table 7 Maximum Sampling Rate Function Module Series Module Name Sampling Rate DT9800 Standard DT9801 100 kSamples s DT9802 DT9803 DT9804 DT9805 50 kSamples s DT9806 92 Principles of Operation Table 7 Maximum Sampling Rate cont Function Module Series Module Name Sampling Rate DT9800 EC DT9801 EC 100 kSamples s DT9802 EC DT9803 EC DT9804 EC DT9800 EC I DT9801 EC I 100 kSamples s DT9802 EC I DT9803 EC I DT9804 EC I a The maximum rate is 50 kSamples
75. ect 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 DACO The application displays the output value on the screen in both text and graphical form 77 Chapter 5 78 Testing Continuous Analog Input To verify that the module can perform a continuous analog input operation do the following 1 10 11 12 Connect known voltage sources such as the outputs of a function generator to analog input channels 0 and 1 on the DT9800 Series module using the differential configuration Refer to page 44 for the DT9800 Standard Series or page 60 for the DT9800 EC or DT9800 EC I Series for an example of how to connect a differential analog input In the Quick DataAcq application choose Scope from the Acquisition menu Select the appropriate DT9800 Series module from the Board list box Once you select the module the LED on the module turns red In the Sec Div list box select the number of seconds per division 1 to 00001 for the display In the 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 Click Config from the Toolbar In the Config dialog select ChannelType and then select Differential In the Config dialog select Range and then select Bipolar or Unipolar dependin
76. ectors on the DT9800 EC and DT9800 EC I Series modules DT9800 EC or DT9800 EC I Series Module J5 J6 J4 Figure 4 J6 J5 and J4 Connectors This section describes how to connect a 5B or 7B Series backplane a AC1324 screw terminal panel and or a PB16H Opto 22 backplane to your DT9800 EC or DT9800 EC I Series module 27 Chapter 2 Attaching a 5B Series Backplane To connect a 5B Series signal conditioning backplane to a DT9800 EC or DT9800 EC I Series module complete the steps that follow while referring to Figure 5 J6 Connector USB Cable to Host Computer DT9800 EC DT9800 EC I T 5B Series Backplane AC1315 Cable PWR 977 Power Supply To wall outlet Figure 5 Connecting a 5B Series Backplane to the DT9800 EC or DT9800 EC I Series Modules 1 Plug one end of an AC1315 cable into the J6 connector of the DT9800 EC or DT9800 EC I Series module 2 Plug the other end of the AC1315 cable into the 26 pin connector on the 5B Series backplane 3 Connect power supply PWR 977 to the 5 V and power ground screw terminals on the 5B Series backplane and to the wall outlet Attaching a 7B Series Backplane To connect a 7B Series signal conditioning backplane to a DT9800 EC or DT9800 EC I Series module complete the steps that follow while referring to Figure 6 AC1393 Adapter Cable J6 Connector USB
77. ed by the period between external retriggers therefore it cannot be accurately controlled The module ignores external triggers that occur while it is acquiring data Only external retrigger events that occur when the module is waiting for a retrigger are detected and acted on To select externally retriggered scan mode use software to specify the following parameters The dataflow as Continuous The triggered scan mode usage as enabled Theretrigger source as an external positive digital TTL trigger Thenumber of times to scan per trigger or retrigger also called the multiscan count to 1 Theinitial trigger source refer to page 93 for more information on the supported trigger sources 97 Chapter 6 Data Format Table 9 lists the data encoding used by each DT9800 Series module Table 9 Data Encoding Function Module Series Module Name Data Encoding DT9800 Standard DT9801 Straight Binary Series DT9802 DT9803 Offset Binary DT9804 DT9805 DT9806 DT9800 EC DT9801 EC Straight Binary DT9802 EC DT9803 EC Offset Binary DT9804 EC DT9800 EC I DT9801 EC I Straight Binary DT9802 EC I DT9803 EC I Offset Binary DT9804 EC I In software the analog input value is returned as a code To convert the code to voltage use the following formulas LSB FSR 2N Vin Code LSB Offset where e LSB is the least significant bit FSRis the full scale range For the DT9800 Ser
78. elect the appropriate DT9800 Series module from the Board list box Once you select the module the LED on the module turns red Select either Continuous to output a continuous pulse stream or One Shot to output one pulse 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 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 Click Start to generate the pulse s The application displays the results both in text and graphical form Click Stop to stop a continuous pulse output operation One shot pulse output operations stop automatically Part 2 Using Your Module D Principles of Operation Annalo Mpui Teali A ee te E ee ie E eae eee 87 Analoge Output Pasties inn RAT edo ad ce a eaaa ngewe Add ars 101 Digital L O Pegen crre ice R REE ERE RTE EE PE E pa EE 104 Counter Timer Features eee tated tte ita wes 106 85 Chapter 6 Figure 49 shows a block diagram of the DT9800 Series modules Note that bold entries indicate signals you can access
79. er Gating D TB51 Switch W Isolated Digital D o Ground O D TB47 Isolated Digital Ground O DT9800 Standard Series Module Figure 25 Connecting Pulse Output Signals Shown for Counter Output 0 and Gate 0 Figure 26 shows an example of how to externally cascade two counters to perform a rate generation operation using user counters 0 and 1 Note that you can also cascade counters internally using software if you internally cascade the counters you do not need to make the external cascading connections In this example counter 1 gate is logic high N User Counter User Clock Input 0 K O TB54 Output 0 Signal C 0 A Gate 0 TB530 Source External gt TB52 Gating TB51 Switch Isolated Digita TB50 Ground D User Clock D Input 1 p TB47 Isolated Digital Ground D DT9800 Standard Series Module Figure 26 Cascading Counters Shown for Rate Generation Using Counters 0 and 1 and External Gate 0 Figure 27 shows an example of how to cascade two counters externally to perform a one shot operation using user counters 0 and 1 Note that you can also internally cascade counters using software if you internally cascade the counters you do not need to make the external cascading connections In this example counter 0 gate is logic high 51 52 Chapter 4 x fA User User Clock Input 0
80. ered scan mode 97 F factory service 141 falling edge gate 108 features 14 formatting data analog input 98 analog output 103 frequency base clock 125 external A D sample clock 93 external C T clock 107 internal A D clock 125 internal A D sample clock 92 125 internal C T clock 107 125 internal retrigger clock 95 120 frequency measurement 50 70 81 111 G gain actual available 121 analog input 90 analog output 102 number of 121 programmable 121 Gain box 133 gate type 108 falling edge 108 high edge 126 high level 126 internal 126 logic high level 108 logic low level 108 low edge 126 low level 126 none software 108 rising edge 108 generating continuous pulses 112 H help online 75 HES14 21 power supply 17 high edge gate type 108 126 high level gate type 126 high to low pulse output 109 hot swapping 25 26 j inprocess buffers 120 input configuration differential analog 41 57 pseudo differential analog 41 57 single ended analog 40 57 input ranges 90 installing the Quick Data Acq application 75 internal clock 125 A D sample 92 C T 107 cascaded C T 107 internal gate type 126 internal retrigger clock 95 J J1 connector pin assignments 154 J4 connector 27 J5 connector 27 J6 connector 27 jumper W3 56 L LabVIEW 16 level gate type high 108 low 108 logic high level gate type 108 logic low level gate type 108 low edge gate type 108 126 low level gate type 126 low to high pulse ou
81. erference This equipment has been tested and found to comply with CISPR EN55022 Class A and EN61000 6 1 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 Department of Communi
82. erminal panel attached to connector J5 You attach the AC1324 screw terminal to connector J5 on the DT9800 EC or DT9800 EC I Series module as shown in Figure 41 AC1324 Screw Terminal Panel DT9800 EC or DT9800 EC I Series Module J4 Figure 41 Attaching the AC1324 Screw Terminal Panel to Connector J5 of the DT9800 EC EC I Series for Counter Timer Signals You can use these counter timer channels for the following operations e Event counting Frequency measurement Pulse output rate generation one shot and repetitive one shot The following sections describe how to wire counter timer signals to an AC1324 screw terminal panel to perform these operations For a description of the screw terminal blocks refer to Table 3 on page 54 67 Chapter 4 Connecting Event Counting Signals Figure 42 shows one example of connecting event counting signals to user counter 0 using an AC1324 screw terminal panel attached to connector J5 In this example rising clock edges are counted while the gate is active AC1324 Screw Terminal Panel D TB1 D TB2 p TB3 O TB4 O TB5 p TB6 d O TB7 p TB8 O TB9 Q TB10 p TB11 Q TB12 p TB13 p TB14 D TB15 O TB16 E D TB17 QQ TB18 a User Clock Input 0 m ia has Mas gt gt D TB23 D TB24 a e G p TB25 p TB26 External Gating eo Switch VJ Isolated Digital So Ground This
83. ernal clock divider If you are using one counter not cascaded you can output pulses using a maximum frequency of 1 MHz this is the frequency of the clock output signal In rate generation mode either the internal or external C T clock input source is appropriate depending on your application refer to page 106 for more information on the C T clock source Using software specify the counter timer mode as rate generation rate the C T clock source as either internal or external the polarity of the output pulses high to low transitions or low to high transitions the duty cycle of the output pulses and the gate type that enables the operation as logic high Refer to page 109 for more information on pulse output signals and to page 108 for more information on gate types Ensure that the signals are wired appropriately Refer to Chapter 4 for wiring examples Figure 57 shows an example of an enabled rate generation operation using a logic high gate input signal an external C T clock source with an input frequency of 4 kHz a clock divider of 4 a low to high pulse type and a duty cycle of 75 A 1 KHz square wave is the generated output Figure 58 shows the same example using a duty cycle of 25 Principles of Operation Rate Generation Operation Starts External C T Clock Input Signal 4 kHz Pulse Output Signal Figure 57 Example of Rate Generation Mo
84. es A D D A DIN DOUT C T QUAD Triggered Scan Support SupportsTriggeredScan Yes Maximum Number of CGL Scans per Trigger MaxMultiScanCount 1 0 0 0 0 0 Maximum Retrigger Frequency MaxRetriggerFreq 100 kHz 50kHz O 0 0 0 0 Minimum Retrigger Frequency MinRetriggerFreq 0 75 Hz 0 0 0 0 0 a The maximum retrigger frequency for all modules except the DT9805 and DT9806 is 100 KHz The DT9805 and DT9806 modules support a maximum retrigger frequency of 50 kHz The appropriate retrigger frequency to use depends on the number of samples in the channel gain list and the A D sample clock frequency as follows Min Retrigger of CGL entries 2 us Period A D sample clock frequency Max Retrigger 1 Frequency Min Retrigger Period b The value of 0 75 Hz assumes the minimum number of samples is 1 Data Encoding Table 20 DT9800 Series Data Encoding Options DT9800 Series A D D A DIN DOUT C T QUAD Binary Encoding Support SupportsBinaryEncoding Yes Yes Yes Yes Yes Twos Complement Support SupportsTwosCompEncoding Returns Floating Point Values ReturnsFloats 120 Supported Device Driver Capabilities Channels Table 21 DT9800 Series Channel Options DT9800 Series A D D A DIN DOUT C T QUAD Number of Channels NumberOfChannels 9 or 178 2 1 1 1 0 SE Support SupportsSingleEnded Yes SE Channels MaxSingleEndedCh
85. es Module Figure 21 Connecting Event Counting Signals Shown for Clock Input 0 and External Gate 0 48 Wiring Signals Figure 22 shows another example of connecting event counting signals to a DT9800 Standard Series module using user counter 0 In this example a software gate is used to start the event counting operation however this connection is not required E User Clock Input 0 DT9800 Standard Series Module m Signal Source Isolated Digital Ground gt q TB54 D D O TB51 0 O D D D Figure 22 Connecting Event Counting Signals without an External Gate Input Shown for Clock Input 0 Figure 23 shows an example of how to cascade two counters externally to perform an event counting operation using user counters 0 and 1 Note that you can also internally cascade counters using software if you internally cascade the counters you do not need to make the external cascading connections User Clock Input 0 TB54 Signal a a Gate 0 Source External f Gating C Switch Isolated Digital Ground TB53 D TB52 Q TB51 Isolated Digital TB50 D 4 o Ground D Gate 1 U User Counter Output 0 User Clock Input 1 p TB47 D DT9800 Standard Series Module Figure 23 Cascading Counters Shown for Event Counting Using Counters 0 and 1 and External Gate 0 49 Chapter 4 Connecting F
86. ess the signals are enclosed in a mumetal shield Prevent electrostatic discharge to the I O while the module is operational Connect all unused analog input channels to analog ground When first installing the module try wiring the signals as follows Wire a function generator or a known voltage source to analog input channel 0 using the differential configuration Wire an oscilloscope or voltage meter to analog output channel 0 Wire a digital input to digital input line 0 of port A Wire a digital output to digital output line 0 of port B Wire an external clock or scope to counter timer channel 0 Then run the Quick DataAcq application described in Chapter 5 starting on page 73 to verify that the module is operating properly Once you have determined that the module is operating properly wire the signals according to your application s requirements Figure 11 shows the assignments of the screw terminals on DT9800 Standard Series modules The screw terminal blocks are removable for your convenience 39 Chapter 4 40 User Clk Input 0 54 1 Channel 00 User Cntr Out 0 53 2 Channel 08 00 Ret External Gate 0 52 3 Channel 01 Isolated Dig Gnd 51 4 Channel 09 01 Ret User CIk Input 1 50 5 Channel 02 User Cntr Out 1 49 6 Channel 10 02 Ret External Gate 1 48 7 Channel 03 Isolated Dig Gnd 47 8 Channel 11 03 Ret Dynamic Dig Out 46 l 9 Channel 04 DT9800 Standard Se
87. eturn Ground Analog Input 9 5 TB5 Analog Input 1 6 TB6 Isolated Analog Ground 7 TB7 Analog Input 2 8 TB8 Analog Input 2 Return Analog Input 10 9 TB9 Isolated Analog 10 TB10 Analog Input 3 Return Ground Analog Input 11 11 TB11 Analog Input 3 12 TB12 Isolated Analog Ground 13 TB13 Analog Input 4 14 TB14 Analog Input 4 Return Analog Input 12 15 TB15 Isolated Analog 16 TB16 Analog Input 5 Return Ground Analog Input 13 17 TB17 Analog Input 5 18 TB18 Isolated Analog Ground 19 TB19 Analog Input 6 20 TB20 Analog Input 6 Return Analog Input 14 21 TB21 Not Connected 22 TB22 Analog Input 7 Return Analog Input 15 23 TB23 Analog Input 7 24 TB24 Isolated Analog Ground 25 TB25 Amp Low 26 TB26 External A D Trigger a Analog input signals 8 to 15 are not available on the 5B08 or 7BP08 1 backplane Analog input signals 4 to 15 are not available on the 7BP04 1 backplane b This signal is not isolated on the DT9800 EC Series boards Connector Pin Assignments Table 42 Connector J5 Pin Assignments AC1324 AC1324 J5 Pin Screw Terminal Signal Name J5 Pin Screw Terminal Signal Name 1 TB1 Analog Output 0 2 TB2 Analog Output 0 Return 3 TB3 Analog Output 1 4 TB4 Analog Output 1 Return 5 TB5 Isolated Digital Ground 6 TB6 External A D Trigger 7 TB7 External A D Sample 8 TB8 Isolated Digital Ground Clock 9 TB9 Isolated 5 V Output 10 TB10 Not Connected 11 TB11 N
88. g on the configuration of your module The default is Bipolar From the Scope view double click the input range of the channel to change the input range of the module 10 V 5 V 2 5 V 1 25 V for bipolar ranges or 0 to 10 V 0 to 5 V 0 to 2 5 V or 0 to 1 25 V for unipolar ranges The default is 10 V The display changes to reflect the selected range for all the analog input channels on the module 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 Click Start from the Toolbar to start the continuous analog input operation The application displays the values acquired from each channel in a unique color on the oscilloscope view Click Stop from the Toolbar to stop the operation Verifying the Operation of a Module Testing Single Value Digital Input To verify that the module can read a single digital input value do the following 1 Connect a digital input to digital input line 0 of port A on the DT9800 Series module Refer to page 47 for the DT9800 Standard Series or page 64 for the DT9800 EC or DT9800 EC I Series for an example of how to connect a digital input In the Quick DataAcq application choose Digital Input from the Acquisition menu Select the appropriate DT9800 Series module from the Board list box Once you select the module the LED on the module turns red Select digital input port A by clic
89. he values of the dynamic digital output line Note that this line is provided in addition to the other eight digital output lines see page 104 for more information on the digital I O features You specify the value 0 or 1 to write from the dynamic digital output line using a digital channel list A value of 0 indicates a low level signal a value of 1 indicates a high level signal The digital channel list corresponds to the analog input channel list As each entry in the analog input channel list is read the corresponding value you specified in the digital channel list is output to the dynamic digital output line For example assume that the analog input channel list contains channels 0 1 2 and 3 that dynamic digital output operations are enabled and that the values in the digital channel list are 1 0 0 1 Figure 50 shows this configuration 89 Chapter 6 Analog Digital Dynamic Digital Channel List Channel List Output Line 0 0 LB 1 p 1 2 gt 0 0 3 1 o 1 Figure 50 An Example Using Dynamic Digital Outputs As analog input channel 0 is read a high level signal is output to the dynamic digital output line As analog input channels 1 and 2 are read a low level signal is output to the dynamic digital output line As analog input channel 3 is read a high level signal is output to the dynamic digital output line On power up a value of 0 is written to the dynamic
90. hot operation the pulse width is set to 100 automatically When the one shot operation is triggered determined by the gate input signal a pulse is output When the module detects the next trigger another pulse is output This operation continues until you stop the operation Note Triggers that occur while the pulse is being output are not detected by the module Ensure that the signals are wired appropriately Refer to Chapter 4 for wiring examples Figure 60 shows an example of a repetitive one shot operation using an external gate rising edge a clock output frequency of 1 kHz one pulse every 1 ms and a low to high pulse type Repetitive One Shot Operation Starts External Gate Signal 1 ms period 1 ms period lt Pulse 100 duty cycle 100 duty cycle 100 duty Output cycle Signal EIS Figure 60 Example of Repetitive One Shot Mode 115 Chapter 6 116 Supported Device Driver Capabilities Data Pow and Operation phone oreet hee ee E R A ee 119 PUTING mM CC m 120 LRE DE PN oie ce adda S hee eee iE Pre E VE TU PEDES 120 ENE uoo nee ee ities ua an ae NR RL RE RR EEE dence uat 121 m cna m 121 rn PR 122 A a TES 122 Thermocouple and RTI Suppers a esaesa va codec eeu RA a RAR eer 0 5 123 Hte T ERE 123 jii nnn 124 Go OUTPUT 125 Counter Diii o Soke seeds ico da racehorse up E EG ERR 126 117 Chapter 7 The DT9800 Ser
91. ies the full scale range is 10 for the unipolar range or 20 for the bipolar range e Nis the input resolution Refer to Table 5 on page 87 for the list of input resolutions supported e Vin is the analog voltage e Code is the raw count used by the software to represent the voltage Offset is the actual minus full scale value The minus full scale value is 0 0 V for the unipolar input range and 10 V for the bipolar input range 98 Principles of Operation For example assume that you are using a DT9801 with a unipolar input range If the software returns a code of 2010 for the analog input operation determine the analog input voltage as follows LSB __ 10 4096 0 002441 V 0 0 V Vin 2010 0 002441 0 V Vin 4 906 V Similarly assume that you are using a DT9804 module with a bipolar input range The actual minus full scale value is 40 0 V If the software returns a code of 2010 for the analog input operation determine the analog input voltage as follows LSB 20 65536 0 000305 V Vin 2010 0 000305 40 0 V Vin 9 370 V Table 10 lists the values that are returned when the DT9800 Series module is overrange Table 10 Overrange Signal Values Function Module Series Module Name Above Range Signals Below Range Signals DT9800 Standard DT9801 FFFh 000h Series DT9802 plus full scale minus full scale DT9803 FFFFh 0000h DT9804 plus full scale minus full scale
92. ies Device Driver provides support for the analog input A D analog output D A digital input DIN digital output DOUT and counter timer C T subsystems For information on how to configure the device driver refer to Chapter 3 Table 16 DT9800 Series Subsystems mense um s om oo er aus Total Subsystems on Module a D A subsystems are supported by the DT9802 DT9802 EC DT9802 EC I DT9804 DT9804 EC DT9804 EC I and DT9806 modules only The tables in this chapter summarize the features available for use with the DT Open Layers for NET Class Library and the DT9800 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 Open Layers for NET Class Library User s Manual 118 Supported Device Driver Capabilities Data Flow and Operation Options Table 17 DT9800 Series Data Flow and Operation Options DT9800 Series A D D A DIN DOUT C T QUAD Single Value Operatio
93. iguration is not suitable for your application This option provides less noise rejection than the differential configuration however all 16 analog input channels are available Differential Choose this configuration when you want to measure low level signals less than 1 V you are using an A D converter with high resolution greater than 12 bits noise is a significant part of the signal or common mode voltage exists When you choose the differential configuration eight analog input channels are available Note We recommend that you connect all unused analog input channels to analog ground Keep the following recommendations in mind when wiring analog input signals to the AC1324 screw terminal panel Use individually shielded twisted pair wire size 14 to 26 AWG when using the DT9800 EC or DT9800 EC I Series module and AC1324 in highly noisy electrical environments Separate power and signal lines by using physically different wiring paths or conduits 57 Chapter 4 58 To avoid noise do not locate the DT9800 EC or DT9800 EC I Series module AC1324 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 module is operational This section describes how to connect single ended pseudo differential and differential vo
94. indows XP a 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 b Click Next and or Finish again Note Windows 7 finds the device automatically 4 Repeat these steps to attach another DT9800 Series module to the host computer if desired Note You can unplug a module and 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 Connecting to an Expansion Hub Expansion hubs are powered by their own external power supply The practical number of DT9800 Series modules that you can connect to a single USB port depends on the throughput you want to achieve Note The bandwidth of the USB Ver 1 1 bus is 12 Mbits second Each DT9800 Series module running at full speed 100 kHz requires 200 kB of this bandwidth Therefore if you want to achieve full throughput on each module you should connect no more than four DT9800 Series modules to a single USB Ver 1 1 port To connect multiple DT9800 Series modules to an expansion hub do the following 1 Attach one end of the USB cable to the DT9800 Series module and the other end of the USB cable to an expansion hub 2 Connect the power supply for the expansion hub to an external power supply 3 Connect the hub to the USB port on the host computer
95. ine the frequency at which to pace the operation 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 700 kHz and specify a clock divider of 2 the resulting frequency of the external C T clock output signal is 350 kHz The resulting frequency of the external C T clock output signal must not exceed 750 kHz Table 13 on page 107 lists the screw terminals of the DT9800 Series modules that correspond to the external C T clock signals of each counter timer Table 13 External C T Clock Signals Screw Screw Counter Terminal J1 Pin Terminal on J5 Pin Module Timer on Module Number AC1324 Panel Number DT9800 Standard 0 TB54 54 Series 1 TB50 50 DT9800 EC Series 0 TB20 20 DT9800 EC I Series 1 TB16 16 Internally Cascaded Clock You can also internally route the clock output signal from counter timer 0 to the clock input signal of counter timer 1 to internally cascade the counters In this way you can create a 32 bit counter without externally connecting two counters together Specify internal cascade mode in software The rising edge of the clock input signal is active 107 Chapter 6 108 Through software specify the clock source as internal and the frequency at which to pace the counter timer operation this is the frequency of the c
96. information on the supported conversion modes Specifying Digital Input Lines in the Analog Input Channel List In addition to the analog input channels the DT9800 Series modules allow you to read eight digital input lines Port A lines 0 to 7 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 these eight digital input lines specify channel 16 in the analog input channel list You can enter channel 16 anywhere in the list and can enter it more than once if desired Note If channel 16 is the only channel in the channel list the module can read this channel at the maximum A D sampling rate The digital 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 these digital input lines if you specify them this way Performing Dynamic Digital Output Operations Note This feature is supported in the DataAcq SDK It is not supported in the DT Open Layers for NET Class Library Using software you can enable a synchronous dynamic digital output operation for the A D subsystem This feature is particularly useful for synchronizing and controlling external equipment One dynamic digital output line 0 is provided screw terminal 46 This line is set to a value of 0 on power up a reset does not affect t
97. ing 10 kQ of termination resistance from the low side of the channel to isolated analog ground For more information on configuring termination resistance refer to page 33 Figure 14B illustrates how to connect a nonfloating signal source to a DT9800 Series module using differential inputs In this case the signal source itself provides the bias return path therefore you do not need to provide bias return resistance through software R is the signal source resistance while R is the resistance required to balance the bridge Note that the negative side of the bridge supply must be returned to analog ground 43 Chapter 4 A Analog In 0 o Ne Floating ae O Signal Rs O Source S Analog In 0 D X Return D Y 5 O O O Isolated Analog Ground P D B DT9800 Standard Series Module Bridge Analog In 0 2 181 TB2 D Analog In 0 P nalog In Return E 0 D D T DC Supply Isolated Analog Ground TB17 Q D TB1 We recommend that you software select 10 kQ of resistance to connect the low side of channel 0 to analog ground a physical resistor is not required Refer to page 33 for more information Figure 14 Connecting Differential Voltage Inputs Shown for Channel 0 Note that since they measure the difference between the signals at the high and low J inputs differen
98. ing the right software package for your needs Overview Accessories One EP365 cable is shipped with each DT9800 Series module The EP365 is a 1 83 meter USB cable that connects the USB connector of the DT9800 Series module to the USB connector on the host computer If you want to buy additional USB cables EP365 is available as an accessory product for the DT9800 Series In addition you can purchase the following optional items from Data Translation for use with the DT9800 Series 5B01 A 16 channel backplane that accepts 5B Series signal conditioning modules 5B08 An 8 channel backplane that accepts 5B Series signal conditioning modules PWR 977 power supply A 5 V 3 A power supply for powering the 5B Series backplanes 7BP16 1 A 16 channel backplane that accepts 7B Series signal conditioning modules 7BP08 1 An 8 channel backplane that accepts 7B Series signal conditioning modules 7BP04 1 A 4 channel backplane that accepts 7B Series signal conditioning modules AC1324 A screw terminal panel that connects to a DT9800 EC or DT9800 EC I Series module to allow access to the analog I O dynamic digital output counter timer and power signals PB16H A digital backplane that connects to the DT9800 EC or DT9800 EC I module to allow access to the digital I O signals STP EZ A screw terminal panel that connects to a DT9800 EC or DT9800 EC I Series module to allow access to the digital I O signals A 50
99. ions Feature Header Mating Cable Connector 26 pin connector J5 J6 AMP Tyco part 1761686 9 AMP Tyco part 1658622 6 50 pin connector J4 AMP Tyco part 1 1761686 5 AMP Tyco part 1 1658622 0 151 Appendix A 152 Regulatory Specifications Table 39 lists the regulatory specifications for the DT9800 Series modules Table 39 Regulatory Specifications Feature Specifications Emissions EMI FCC Part 15 EN55022 1994 A1 1995 A2 1997 VCCI AS NZS 3548 Class A Immunity EN61000 6 1 2001 RoHS EU Directive 2002 95 EG Compliant as of July 1st 2006 Connector Pin Assignments DISSQ0 Standard Serie Sos ccc eee eee eee be ee e anata bees bob ste lorena ea 154 EC and EC lt I Senes Modules oio csset RC RR EC eerie 156 EISSOSMBNC Modules oe crer eaen ee e ea e c eERNE AYERS 159 153 Appendix B DT9800 Standard Series Table 40 lists the pin assignments of connector J1 on the DT9800 Standard modules Table 40 Pin Assignments for Connector J1 on the DT9800 Standard Modules Pin Signal Description Pin Signal Description 1 Analog Input 00 2 Analog Input 08 00 Return CJC on DT9805 DT9806 3 Analog Input 01 4 Analog Input 09 01 Return 5 Analog Input 02 6 Analog Input 10 02 Return 7 Analog Input 03 8 Analog Input 11 03 Return 9 Analog Input 04 10 Analog Input 12
100. king Port A Click Get The application displays the value of each digital input line in port A on the screen in both text and graphical form 79 Chapter 5 80 Testing Single Value Digital Output 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 of port B on the DT9800 Series module Refer to page 47 for the DT9800 Standard Series or page 64 for the DT9800 EC or DT9800 EC I Series for an example of how to connect a digital output In the Quick DataAcq application select Digital Output from the Control menu Select the appropriate DT9800 Series module from the Board list box Once you select the module the LED on the module turns red Select digital output port B by clicking Port B Click the appropriate bits to select the type of signal to write from the digital output lines If the bit is selected a high level signal is output from the digital output line if the bit is not selected a low level signal is output from the digital output line Optionally you can enter an output value in the Hex text box Click Send The application outputs and displays the value of each digital output line of digital port B on the screen in both text and graphical form Verifying the Operation of a Module Testing Frequency Measurement To verify that the module can perform a frequency measurement operation do the following 1 Wir
101. l 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 DT9800 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 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 DT Open Layers for NET User s Manual UM 22161 For programmers who are developing their own application programs using Visual Cft or Visual Basic NET this manual describes how to use the DT Open Layers for NET Class Library to access the capabilities of Data Translation data acquisition devices DataAcq SDK User s Manual UM 18326 For programmers who are developing their own application programs using the Microsoft C compiler this manual describes how to use the DT Open Layers DataAcq SDK to acces
102. l 150 151 power 150 151 regulatory 152 specifying a single channel analog input 88 digital I O 104 specifying one or more channels analog input 88 digital I O 89 stopping an operation 94 STP EZ screw terminal panel 17 27 attaching 30 subsystem descriptions A D 87 C T 106 D A 101 DIN and DOUT 104 supported thermocouple types 123 SupportedGains 121 SupportedResolutions 122 SupportedVoltageRanges 122 SupportsBinaryEncoding 120 SupportsBuffering 120 SupportsCascading 126 SupportsCjcSourceChannel 123 SupportsContinuous 119 SupportsCount 126 SupportsDifferential 121 SupportsExternalClock 125 SupportsGateHighEdge 126 SupportsGateHighLevel 126 SupportsGateLowEdge 126 SupportsGateLowLevel 126 SupportsGateNone 126 SupportsHighToLowPulse 126 SupportsInProcessFlush 120 SupportsInternalClock 125 SupportsLowToHighPulse 126 SupportsOneShot 126 SupportsOneShotRepeat 126 SupportsPosExternalTTL Trigger 124 SupportsProgrammableGain 121 SupportsRateGenerate 126 SupportsSimultaneousSampleHold 121 SupportsSingleEnded 121 SupportsSingleValue 119 SupportsSoftwareTrigger 124 Supports Thermocouple 123 SupportsTriggeredScan 120 SupportsVariablePulseWidth 126 SupportsWrapSingle 120 SW1 34 Index T technical support 140 temperature sensor 134 thermocouple inputs 46 thermocouple support 123 ThermocoupleType 123 throughput maximum 125 minimum 125 transferring data 100 triggered scan 120 number of scans per trigger 120
103. l Input Line 1 Port A S TBes O O O O O TB Isolated Digital Ground D Si Figure 19 Connecting Digital Inputs Shown for Lines 0 and 1 Port A Figure 20 shows how to connect a digital output line 0 Port B in this case to a DT9800 Standard Series module 47 Chapter 4 DT9800 Standard Series Module 0 Out LED On qp TB45 500 2 Digital Output Line 0 Port B D O BV D D D D Isolated Digital Ground D TB37 Figure 20 Connecting Digital Outputs Shown for Line 0 Port B Connecting Counter Timer Signals DT9800 Standard Series modules provide two user counter timer channels that you can use for the following operations Eventcounting Frequency measurement Pulse output rate generation one shot and repetitive one shot This section describes how to connect counter timer signals to perform these operations Refer to page 106 for more information on using the counter timers Connecting Event Counting Signals Figure 21 shows one example of connecting event counting signals to a DT9800 Standard Series module using user counter 0 In this example rising clock edges are counted while the gate is active 1 User Clock Input 0 Y TB54 L f Gate 0 Signal Source External p TB52 Gating XD TB51 Switch Isolated Digital D o n Ground D O Q TB47 Isolated Digital Ground D DT9800 Standard Seri
104. lation com for the name and telephone number of you nearest distributor All return shipments to Data Translation must be marked with the correct RMA number to ensure proper processing 2 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 board Place in a secure shipping container 3 Return the board 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 141 Chapter 9 142 m Specifications Analog Input bpecification amp csse se Cede enm epe ne ee hee ee ent erc etl 144 Analog Output specilicalloDE iiis esse bee HC e DER HC RE eae eed an 147 Digital VI Opec ICAOn coop eeese ttes e HERE e e HORE E REED VERE er dd ea 148 Counter Timer Specifications eraci sosirii iria iiA bass bre bere e ier 149 Power Physical and Environmental Specinicatong s 0c eee eee ee 150 Cable and Terminal Block Specifications 2 0 006666 cee enpr eee en 151 Repulatorr Species a 55T r eTR E wakes eee TE i 152 143 Appendix A Analog Input Specifications Table 31 lists the specifications for the A D subsystem Table 31 A D Subsystem Specifications DT9801 EC EC I
105. list of output resolutions e Code is the raw count used by the software to represent the voltage e Vout is the analog voltage Offset is the minus full scale value or 40 V For example assume that you are using a DT9804 module If you want to output a voltage of 4 7 V determine the code value as follows LSB __10V_ 0 0001526 V 65536 Code 4 7 V 10 V 0 0001526 V Code 96330 1784Ah 103 Chapter 6 Digital I O Features This section describes the following features of the digital I O subsystem Digital I O lines described below e Resolution described below Operation modes described on page 105 Digital I O Lines DT9800 Series modules support eight digital input lines Port A lines 0 to 7 through the DIN subsystem and eight digital output lines Port B lines 0 to 7 through the DOUT subsystem For fast clocked digital input operations you can enter the digital input lines from Port A as channel 16 in the analog input channel list refer to page 89 for more information Note If you are using the DataAcq SDK the DT9800 Series modules also provide a dynamic digital output line that you can update when an analog input channel is read Note that the dynamic digital output line is in addition to the digital output lines in Port B This feature is not supported in the DT Open Layers for NET Class Library Refer to page 89 for more information on dynamic digital output operations All the ou
106. lock output signal The maximum frequency that you can specify for the clock output signal is 750 kHz For a 32 bit cascaded counter the minimum frequency that you can specify for the clock output signal is 0 0028 Hz Gate Types The active edge or level of the gate input to the counter enables counter timer operations The operation starts when the clock input signal is received Specify the gate type in software DT9800 Series modules provide the following gate input types None A software command enables any specified counter timer operation immediately after execution This gate type is useful for all counter timer modes refer to page 110 for more information on these modes Logic low level external gate input Enables a counter timer operation when the external gate signal is low and disables 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 110 for more information on these modes Logic high level external gate input Enables a counter timer operation when the external gate signal is high and disables a counter timer operation when the external gate signal is low Note that this gate type is used only for event counting frequency measurement and rate generation refer to page 110 for more information on these modes Falling edge external gate input Enables a counter timer operation on the
107. log input channel or from a group of analog input channels Channels are numbered 0 to 15 for single ended and pseudo differential inputs and 0 to 7 for differential inputs The following subsections describe how to specify the channels Specifying a Single Channel The simplest way to acquire data from a single channel is to specify the channel for a single value analog input operation using software refer to page 94 for more information on single value operations You can also specify a single channel using the analog input channel list described in the next section Note If you want to perform a single value digital input operation while the A D subsystem is configured specify channel 16 which corresponds to the digital input port in the A D single value operation Specifying One or More Channels You can read data from one or more analog input channels using an analog input channel list You can group the channels in the list sequentially starting either with 0 or with any other analog input channel or randomly You can also specify a single channel or the same channel more than once in the list Principles of Operation Using software specify the channels in the order you want to sample them You can enter up to 32 entries in the channel list The channels are read in order using continuously paced scan mode or triggered scan mode from the first entry to the last entry in the channel list Refer to page 94 for more
108. ltage inputs as well as current loop inputs to the AC1324 screw terminal panel For a description of the screw terminal blocks on the AC1324 screw terminal panel refer to Table 2 on page 53 Connecting Single Ended Voltage Inputs Figure 29 shows how to connect single ended voltage inputs channels 0 1 and 2 in this case to the AC1324 screw terminal panel Signal Source AC1324 Screw Terminal Panel Analog In 0 Vsource 0 g q TB1 O TB2 p TB3 O TB4 Analog In 1 idak Q TB5 p TB6 Vsource 1 TB7 p TBS OD TB9 p TB10 O TB11 O TB12 Analog In 2 Vsource 2 a D TB13 D TB14 D TB16 D TB18 p TB20 Isolated Analog Ground D TB22 D TB24 Ensure that you connect Isolated Ka TER Analog Ground to Amp Low Note that this signal is not isolated on the DT9800 EC Series Figure 29 Connecting Single Ended Voltage Inputs Shown for Channels 0 1 and 2 Note If you are using single ended inputs set up the software so that bias return resistance is not used For more information refer to page 33 Wiring Signals Connecting Pseudo Differential Voltage Inputs Figure 30 shows how to connect pseudo differential voltage inputs channels 0 1 and 2 in this case to the AC1324 screw terminal panel Signal Source AC1324 Screw Terminal Panel Analog In 0 Q TBI O TB2 Adean O TB3 p TB4 is ic TB
109. mance with ease of use development Order the full development version of this software package to develop your own application using real hardware DT Open Layers for NET Class Library Use this class library if you want to use Visual C or Visual Basic for NET to develop your own application software for a DT9800 Series module using Visual Studio 2008 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 DT9800 Series module using Windows XP Windows Vista or Windows 7 the DataAcq SDK complies with the DT Open Layers standard DTx EZ DTx EZ provides ActiveX controls which allow you to access the capabilities of the DT9800 Series boards using Microsoft Visual Basic or Visual C DTx EZ complies with the DT Open Layers standard 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 LV Link An evaluation version of this software is included or provided via a link on the Data Acquisition OMNI CD Use LV Link if you want to use the LabVIEW graphical programming language to access the capabilities of the DT9800 Series modules Refer to the Data Translation web site ww w datatranslation com for information about select
110. n Support SupportsSingleValue Yes Yes Yes Yes Simultaneous Single Value Output Operations SupportsSetSingleValues Continuous Operation Support SupportsContinuous Yes Yes Continuous Operation until Trigger SupportsContinuousPreTrigger Continuous Operation before amp after Trigger SupportsContinuousPrePostTrigger Waveform Operations Using FIFO Only SupportsWaveformModeOnly Simultaneous Start List Support SupportsSimultaneousStart Supports Programmable Synchronization Modes SupportsSynchronization Synchronization Modes SynchronizationMode Interrupt Support SupportsinterruptOnChange Output FIFO Size FifoSize Auto Calibrate Support SupportsAutoCalibrate a While the DIN subsystem itself is incapable of continuous operation you can perform a continuous DIN operation by specifying channel 16 in the channel gain list of the A D subsystem and starting the A D subsystem All 8 bits of the digital input lines from Port A are assigned to A D input channel 16 119 Chapter 7 Buffering Table 18 DT9800 Series Buffering Options DT9800 Series A D D A DIN DOUT C T QUAD Buffer Support SupportsBuffering Yes Single Buffer Wrap Mode Support SupportsWrapSingle Yes Inprocess Buffer Flush Support SupportsinProcessFlush Yes Triggered Scan Mode Table 19 DT9800 Series Triggered Scan Mode Options DT9800 Seri
111. n the DT9805 and DT9806 modules the input impedance is 10 KQ Broken thermocouples in differential mode will output plus full scale for gains equal to or greater than 10 Specifications Analog Output Specifications Table 32 lists the specifications for the D A subsystem Table 32 D A Subsystem Specifications DT9802 EC EC I DT9804 EC EC I Feature Specifications DT9806 Specifications Number of analog output channels 2 Resolution 12 bits 16 bits Data encoding input Offset binary Nonlinearity integral 1 LSBs 4 LSBs Differential linearity 0 5 LSBs monotonic 1 0 LSB monotonic Output range Oto5V 10V 10 V 5V 10V Zero error Software adjustable to zero Gain error 2 LSBs 6 LSBs Current output 5 mA minimum 10 V 2 kQ Output impedance 0 3 Q typical Capacitive drive capability 0 001 uF minimum no oscillations Protection Short circuit to Analog Common Power on voltage O V 10 mV maximum Settling time to 0 0196 of FSR 50 us 20 V step 10 us 100 mV step Throughput Full Scale Single value system dependent Slew rate 2 Vlus 147 Appendix A Digital I O Specifications Table 33 lists the specifications for the digital input subsystem Table 33 DIN Subsystem Specifications Feature Specifications Number of lines 8 Port A Termination None Inputs Input type Level sensitive Input load 1 HCT High level i
112. nation resistance is particularly useful when your differential source is floating If you are using single ended analog input channels clear the checkbox for each analog input channel so that bias return resistance is not used To continuously power the analog and or digital outputs select the Power Always On checkbox The DT9800 Series module will remain on even when you exit from the applications that use the module If you want to shut down power to the module you must uncheck this checkbox and close the control panel Once all applications that use this module are exited the module will power down The module will remain off until you either run an application that uses the module or click the Advanced button from the Open Layers Data Acquisition Control Panel Click OK If you want to rename the module click Edit Name otherwise go to step 9 Enter a new name for the module and then click OK Note This name is used to identify the module in all subsequent applications When you are finished configuring the module click Close 10 Repeat steps 3 to 9 for the other modules that you want to configure 11 Close the Control Panel If you are using a DT9800 EC or DT9800 EC I module continue with the next section Otherwise continue with the instructions on wiring in Chapter 4 starting on page 37 33 Configuring the EC and EC I Series Modules To use 5B or 7B Series signal conditioning backplanes with a DT980
113. nd DT9806 module Due to the 10 MQ resistor to the 2 5 V reference the output of the channel Isolated Analog goes to full scale if an open circuit is d i E Groun TB17 detected at the input O We recommend that you software select 10 kQ of termination resistance to connect the low side of channels 0 and 1 to analog ground a physical resistor is not required Refer to page 33 for more information Figure 17 Connecting Thermocouple Inputs Shown for Channel 1 Note You can connect voltages instead of thermocouples to the DT9805 and DT9806 modules In this case ensure that the signal you attach to channel 0 is capable of driving 10kQ and that the signals you attach to channels 1 2 3 4 5 6 and 7 are capable of driving 10 MQ 46 Wiring Signals Connecting Analog Output Signals Figure 18 shows how to connect an analog output voltage signal channel 0 in this case to a DT9802 DT9804 or DT9806 module Analog Output 0 e TB19 Analog Output 0 Return g R D TB20 C Load 00900090909 DT9802 DT9804 or DT9806 Module Figure 18 Connecting Analog Output Voltages Shown for Channel 0 Connecting Digital I O Signals Figure 19 shows how to connect digital input signals lines 0 and 1 Port A in this case to a DT9800 Standard Series module DT9800 Standard Series Module a Digital Input Line 0 Port A d TB28 TTL Inputs Digita
114. nput 2s O TB5 TB6 C O TB7 qp TB8 M GEE Gates 0 and 1 D TB9 TB10 External gt O TBh D TB12 Signal Gating TB14 Source Switch p TB13 To D TB15 D TB16 Isolated Digital O TB17 Q TB18 Ground D TB19 TB20 User Clock Output 0 D TB21 O TB22 D TB23 D TB24 p TB25 p TB26 User Clock Input 1 gt This signal is not isolated on the DT9800 EC Series Figure 44 Cascading Counters Shown for Event Counting Using Counters 0 and 1 and External Gate 0 69 Chapter 4 Connecting Frequency Measurement Signals This section describes two examples of how to connect frequency measurement signals to an AC1324 screw terminal panel attached to connector J5 The first configuration uses the same wiring as an event counting application that does not use an external gate signal see Figure 43 on page 69 the software uses the Windows timer to specify the duration of the frequency measurement In this configuration the frequency of the clock input is the number of counts divided by the duration of the Windows timer If you need more accuracy than the Windows timer provides you can connect a pulse of a known duration such as a one shot output of another user counter to the external gate input as shown in Figure 45 In this configuration the frequency of the clock input is the number of counts divided by the period of the external gate input AC1324 Screw Terminal Panel
115. nput voltage 2 0 V minimum Low level input voltage 0 8 V maximum High level input current 3 pA Low level input current 3 uA Maximum internal pacer rate single digital channel Maximum A D throughput of the board Back EMF diodes No a This digital channel must be the only channel included as part of the channel list Table 34 lists the specifications for the digital output subsystem Table 34 DOUT Subsystem Specifications Feature Specifications Number of lines 8 Port B Termination 22 kQ resistor Outputs Output driver 74HCT244 TTL Output driver high voltage source 2 4 V minimum IOH 1 mA Output driver low voltage sink 0 5 V maximum IOL 12 mA Back EMF diodes Yes 148 Specifications Counter Timer Specifications Table 35 lists the specifications for the C T subsystems Table 35 C T Subsystem Specifications Feature Specifications Number of counter timer channels Clock Inputs Input type High level input voltage Low level input voltage Minimum pulse width Maximum frequency HCT with 22 kQ pull up resistor 2 4 V minimum 0 8 V maximum 600 ns high 600 ns low 750 kHz Gate Inputs Input type High level input voltage Low level input voltage Minimum pulse width HCT with 22 kQ pull up resistor 2 4 V minimum 0 8 V maximum 600 ns high 600 ns low Counter Outputs Output driver high voltage Output drive
116. o analog input channel 0 differential mode on the DT9800 Series module Refer to page 43 for the DT9800 Standard Series or page 60 for the DT9800 EC Series for an example of how to connect a differential analog input In the Quick DataAcq application choose Single Analog Input from the Acquisition menu Select the appropriate DT9800 Series module from the Board list box Once you select the module the LED on the module turns red In the Channel list box select analog input channel 0 In the Range list box select the range for the channel The default is 10 V Select Differential 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 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 DACO on the module Refer to page 47 for the DT9802 DT9804 or DT9806 or page 63 for the DT9802 EC DT9802 EC I DT9804 EC or DT9804 EC I for an example of how to connect analog output signals In the Quick DataAcq application select Single Analog Output from the Control menu Select the appropriate DT9800 Series module from the Board list box Once you select the module the LED on the module turns red In the Channel list box select analog output channel 0 In the Range list box sel
117. ooooo 59 Connecting Differential Voltage Inputs 00 e cece eee eee 59 Connecting Current Loop Inputs K reser rrnrn nns 62 Connecting Analog Output Signals lt 63 Connecting Digital I O Signals 2 0 6 ee nua a ENA RTA HAT RR TYS 64 Connecting Counter Timer Signals 67 Connecting Event Counting Signals e 0000 68 Connecting Frequency Measurement Signals sss 70 Connecting Pulse Output Signals 2 0 6 6 ene 71 Chapter 5 Verifying the Operation of a Module lll u s 73 Running the Quick DataAcq Application 0 0 75 Testing Single Value Analog Input lssssseeseseeee e 76 Testing Single Value Analog Output eh 77 Testing Continuous Analog Input e e nh 78 Testing Single Value Digital Input e 00 e eee 79 Testing Single Value Digital Output 80 Testing Frequency Measurement esses nn 81 Testing Pulse Output aa 0 Y RR E iasan ree ceeds ANA EAR d An ACCRUE RES d es 82 Part 2 Using Your Module llleeeeeeeess 83 Chapter 6 Principles of Operation x e e x e x ee 85 Analog Input Features iiie sii e e eta rasa lange Ch KEAR E ce RAE et TE 87 Input RESOLU O ete eae SS s rentes EBS oR ua Teo e X T e e t Ra 87 Analog Input Channels isseire srani a E Ea ene 88 Specifying a Single Channel rr 88 Specifying One or More Channels rrna rnr eee eee ee 88 Specifying Digital Input Lines in the Analog Input
118. ormation on the external C T clock source One way to perform a frequency measurement is to use the same wiring as an event counting application that does not use an external gate signal Refer to Chapter 4 for wiring examples In this configuration use software to specify the counter timer mode as frequency measurement or event counting count and the duration of the system timer over which to measure the frequency The system timer uses a resolution of 1 ms In this configuration frequency is determined using the following equation Frequency Measurement Number of Events Duration of the System Timer If you need more accuracy than the system timer provides you can connect a pulse of a known duration such as a one shot output of another user counter to the external gate input Refer to Chapter 4 for wiring examples In this configuration use software to set up the counter timers as follows 1 Set up one of the counter timers for one shot mode specifying the clock source clock frequency gate type 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 pulse output type of the counter timer set up for one shot mode 3 Start both counters events are not counted until the active period of the one shot pulse is generated 4 Read the number of events counted Allow enough
119. ot Connected 12 TB12 Dynamic Digital Output 13 TB13 Isolated Digital Ground 14 TB14 User External Gate 1 15 TB15 User Counter Output 1 16 TB16 User Clock Input 1 17 TB17 Isolated Digital Ground 18 TB18 User External Gate 0 19 TB19 User Counter Output 0 20 TB20 User Clock Input 0 21 TB21 Not Connected 22 TB22 Not Connected 23 TB23 Not Connected 24 TB24 Not Connected 25 TB25 Not Connected 26 TB26 Not Connected a This signal is not isolated on the DT9800 EC Series b 5 V output is available only when one of the subsystems is activated which in turn activates power to the module This signal can be used as an input to power the digital output latch so that the outputs retain their states during power down 157 Appendix B 158 Table 43 Connector J4 Pin Assignments STP EZ Screw STP EZ Screw J4 Pin Terminal Signal Name J4 Pin Terminal Signal Name 1 TB1 Not Connected 2 TB2 Digital Ground 3 TB3 Not Connected 4 TB4 Digital Ground 5 TB5 Not Connected 6 TB6 Digital Ground 7 TB7 Not Connected 8 TB8 Digital Ground 9 TB9 Not Connected 10 TB10 Digital Ground 11 TB11 Not Connected 12 TB12 Digital Ground 13 TB13 Not Connected 14 TB14 Digital Ground 15 TB15 Not Connected 16 TB16 Digital Ground 17 TB17 Digital Output 7 18 TB18 Digital Ground 19 TB19 Digital Output 6 20 TB20 Digital Ground 21 TB21 Digital Output 5 22 TB22 Digital Ground 23 TB23 Digital
120. ot Connected 6 TB6 Digital Ground 7 TB7 Not Connected 8 TB8 Digital Ground 9 TB9 Not Connected 10 TB10 Digital Ground 11 TB11 Not Connected 12 TB12 Digital Ground 13 TB13 Not Connected 14 TB14 Digital Ground 15 TB15 Not Connected 16 TB16 Digital Ground 17 TB17 Digital Output 7 18 TB18 Digital Ground 19 TB19 Digital Output 6 20 TB20 Digital Ground 21 TB21 Digital Output 5 22 TB22 Digital Ground 23 TB23 Digital Output 4 24 TB24 Digital Ground 25 TB25 Digital Output 3 26 TB26 Digital Ground 27 TB27 Digital Output 2 28 TB28 Not Connected 29 TB29 Digital Output 1 30 TB30 Not Connected 31 TB31 Digital Output 0 32 TB32 Not Connected 33 TB33 Digital Input 7 34 TB34 Not Connected 35 TB35 Digital Input 6 36 TB36 Not Connected 37 TB37 Digital Input 5 38 TB38 Not Connected 39 TB39 Digital Input 4 40 TB40 Not Connected 41 TB41 Digital Input 3 42 TB42 Not Connected 43 TB43 Digital Input 2 44 TB44 Not Connected 45 TB45 Digital Input 1 46 TB46 Not Connected 47 TB47 Digital Input 0 48 TB48 Not Connected 49 TB49 Not Connected 50 TB50 Not Connected 55 Chapter 4 Connecting Analog Input Signals This section describes how to connect analog input signals to a DT9800 EC or DT9800 EC I Series module using a 5B01 5B08 7BP16 1 7BP08 1 or 7BP04 1 signal conditioning backplane or an AC1324 screw terminal panel Using 5B or 7B Series Signal Conditioning Modules When using DT9800 EC or DT9800 EC I Series modules with 5B and 7B Series
121. oughput for the DT9805 and DT9806 modules is 50 kHz for a single channel or channel scan with gains of 1 and 10 10 kHz for a channel scan with a gain of 100 and 2 kHz for a channel scan and a gain of 500 b Counter timers 0 and 1 can be cascaded If you are not using cascaded timers this value is approximately 183 Hz 125 Chapter 7 126 Counter Timers Table 29 DT9800 Series Counter Timer Options DT9800 Series A D D A DIN DOUT C T QUAD Cascading Support SupportsCascading Yes 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 Edge to Edge Measurement Mode Support SupportsMeasure Continuous Edge to Edge Measurement Mode Support SupportsContinuousMeasure 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 High Edge Gate Type Support SupportsGateHighEdge Yes Low Edge Gate Type Support SupportsGateLowEdge Yes Level Change Gate Type Support SupportsGateLevel
122. q TB20 One Sh User Clock D TB21 O TB22 Trigger Isolated Digital Output 0 D TB23 D TB24 Ground p TB25 p TB26 OPEN c gt This signal is not isolated on the User Clock Input 1 DT9800 EC Series Figure 48 Cascading Counters Shown for One Shot Using Counters 0 and 1 and External Gate 1 72 JJ Verifying the Operation of a Module Running the Quick DataAcg Application i e 0 KE R iet ete reeet eee e eer 75 Testing Single Value Analog Input AR T eee eee Rn rm em es 76 Testing Single Value Analog Output i aE eee eee a ees eee ee eee 77 Testing Contos Analog Input 4 eR TR RR die wana Ped coer ind LT 78 Testing Single Value Digital Input o eresi ose ee hee rem ge eb e eret ertet 79 Testing Single Value Digital Output R E ee eem ed 80 Testing Frequency Measurement ci ere Eee Feb ee Na e side ees 81 Testing Pulse TRE L g AR 90 RH eee a er ee REC adele eee et pO ede er EE ER 82 73 Chapter 5 74 Install the Module see Chapter 2 starting on page 21 Configure the Module and or Device Driver see Chapter 3 starting on page 31 Wire Signals see Chapter 4 starting on page 37 Verify the Operation of the Module this chapter You can verify the operation of a DT9800 Series module using the Quick DataAcq application Quick DataAcq allows you to do the following Acquire data from a single analog input channel or digital input port Acquire dat
123. r Support SupportsPosExternalTTLTrigger Yes Yes External Negative TTL Trigger Support SupportsNegExternalTTLTrigger External Positive TTL Trigger Support for Single Value Operations SupportsSvPosExternalTTLTrigger External Negative TTL Trigger Support for Single Value Operations SupportsSvNegExternalTTLTrigger Positive Threshold Trigger Support SupportsPosThresholdTrigger Negative Threshold Trigger Support SupportsNegThresholdTrigger Digital Event Trigger Support SupportsDigitalEventTrigger a The external trigger is the rising edge on the External A D Trigger input Supported Device Driver Capabilities Clocks Table 28 DT9800 Series Clock Options DT9800 Series A D D A DIN DOUT C T QUAD Internal Clock Support SupportsInternalClock Yes Yes Yes External Clock Support SupportsExternalClock Yes Yes Simultaneous Input Output on a Single Clock Signal SupportsSimultaneousClocking Base Clock Frequency BaseClockFrequency 12 MHz 0 0 0 12 MHz 0 Maximum Clock Divider MaxExtClockDivider 1 0 1 0 1 0 1 0 65536 0 Minimum Clock Divider MinExtClockDivider 1 0 1 0 1 0 1 0 2 0 0 Maximum Frequency MaxFrequency 100 kHz O 0 750kHz JO Minimum Frequency MinFrequency 0 75 Hz 1 0 0 0 0028 Hz 10 a The maximum throughput for analog input channels is 100 kHz for all modules except the DT9805 and DT9806 modules The maximum thr
124. r example if you are using a DT9803 and the range of your analog input signal is 1 05 V specify a range of 10 V to 10 V for the module and use a gain of 8 for the channel the effective input range for this channel is then 1 25 V which provides the best sampling accuracy for that channel Note If you are using the DataAcq SDK the DT9805 and DT9806 modules support autoranging for single value operations where the module determines the appropriate gain for your range rather than you having to specify it This feature is not supported in the DT Open Layers for NET Class Library Refer to page 94 for more information on using autoranging The simplest way to specify gain for a single channel is to specify the gain for a single value analog input operation using software refer to page 94 for more information on single value operations 91 Chapter 6 If you are using an analog input channel list you can use software to specify the gain for each analog input channel entry in the analog input channel list Note For analog input channel 16 the eight digital input lines in the channel list specify a gain of 1 in the gain list A D Sample Clock Sources DT9800 Series modules allow you to use one of the following clock sources to pace analog input operations in continuous mode The internal A D sample clock which uses the 24 bit A D Counter on the module Anexternal A D sample clock which you can connect directly to th
125. r low voltage 3 0 V minimum 1 mA Source 0 4 V maximum Q 2 mA Sink 149 Appendix A Power Physical and Environmental Specifications Table 36 lists the power physical and environmental specifications for the DT9800 Series modules Table 36 Power Physical and Environmental Specifications 150 Feature Specifications Power 5 V Standby 5 V Enumeration 5 V Power ON 5 V Isolated Power Out TB27 0 5 JA maximum 100 mA maximum 500 mA maximum 10 mA maximum Physical Dimensions DT9800 Standard Series DT9800 EC and DT9800 EC I Series Weight Environmental Operating temperature range Storage temperature range Relative humidity 6 5 inches x 4 5 inches x 1 4 inches 7 42 inches x 3 40 x 0 736 inches 9 ounces 255 grams 0 C to 55 C 25 C to 85 C To 95 noncondensing Specifications Cable and Terminal Block Specifications Table 37 lists the screw terminal and cable specifications for the DT9800 Standard modules Table 37 DT9800 Standard Cable and Terminal Block Specifications Feature Specifications Recommended cable 2 meter Type A B USB cable AMP part 1487588 3 Screw terminal block 9 Position Header TB1 TB6 PCD Inc part ELVHO9100 Mating plug PCD Inc part ELVP09100 Table 38 lists the connector specifications for the DT9800 EC and DT9800 EC I Series modules Table 38 DT9800 EC EC I Connector Specificat
126. requency Measurement Signals This section describes two examples of how to connect frequency measurement signals to a DT9800 Standard Series module The first configuration uses the same wiring as an event counting application that does not use an external gate signal see Figure 22 on page 49 a system timer specifies the duration of the frequency measurement In this configuration the frequency of the clock input is the number of counts divided by the duration of the Windows timer If you need more accuracy than the system timer provides you can connect a pulse of a known duration such as a one shot output of another user counter to the external gate input as shown in Figure 24 In this configuration the frequency of the clock input is the number of counts divided by the period of the external gate input DT9800 Standard Series Module User Clock Input 0 TB54 Gate 0 D Signal Source gt TB52 D D User 4 XD TB49 Counter D Output 1 g TB47 Isolated Digital Ground D Figure 24 Connecting Frequency Measurement Signals Shown for Clock Input 0 and External Gate 0 Connecting Pulse Output Signals Figure 25 shows one example of connecting pulse output signals to a DT9800 Standard Series module using user counter 0 50 Wiring Signals User Clock Output 0 QD s a lt 4 TB53 gt Heater External Gate 0 E Loos controll
127. ries Modules Digital Output 0 45 10 Channel 12 04 Ret Digital Output 1 44 11 Channel 05 Digital Output 2 43 12 Channel 13 05 Ret Digital Output 3 42 13 Channel 06 Digital Output 4 41 14 Channel 14 06 Ret Digital Output 5 40 15 Channel 07 Digital Output 6 39 16 Channel 15 07 Ret Digital Output 7 38 17 Isolated An Gnd Isolated Dig Gnd 37 18 Amp Low D oo ogm vr K E E seeacaaas o ERER SSESSSSSSS 2979532908868 Z Lei T e L S 5 g o 033333338 amp o99 299929 ZSS RRR SSR OG3golloo Zo e 2 o0 IA y D A sasea 2 x Figure 11 DT9800 Standard Series Screw Terminal Assignments Note Screw terminals TB19 through TB22 are not used on DT9801 DT9803 and DT9805 modules since these modules do not support analog output Connecting Analog Input Signals DT9800 Standard Series modules support both voltage and current loop inputs You can connect analog input signals to a DT9800 Standard Series module in the following configurations Single ended Choose this configuration when you want to measure high level signals noise is not significant the source of the input is close to the module and all the input signals are referred to the same common ground When you choose the single ended configuration all 16 analog input channels are available on the DT9800 Standard Series Wiring Signals e Pseudo Differential Choose this configuration when noise or common mode voltage the difference between the g
128. round potentials of the signal source and the ground of the module or between the grounds of other signals exists and the differential configuration is not suitable for your application This option provides less noise rejection than the differential configuration however all 16 analog input channels are available on the DT9800 Standard Series Differential Choose this configuration when you want to measure thermocouple or low level signals less than 1 V you are using an A D converter with high resolution greater than 12 bits noise is a significant part of the signal or common mode voltage exists When you choose the differential configuration eight analog input channels are available on the DT9800 Standard Series This section describes how to connect single ended pseudo differential and differential voltage inputs as well as current loop and thermocouple inputs to the DT9800 Standard Series module Connecting Single Ended Voltage Inputs Figure 12 shows how to connect single ended voltage inputs channels 0 1 and 8 in this case to a DT9800 Standard Series module Note If you are using single ended inputs set up the software so that bias return resistance is not used For more information refer to page 33 Signal DT9800 Standard Series Source Module Vsource 0 Analog In 0 TBi Analog In 8 D TB2 Analog In 1 TB3 Vsource 8 D D T O Le i O D D O O
129. rs you do not need to make the external cascading connections In this example counter 1 gate is logic high 71 Chapter 4 ae AC1324 Screw Terminal Panel f A User Clock Input 0 O TBI O TB2 d p TB3 p TB4 E fatu D TBS p TB6 External A gt p TB8 Gatin D TB7 Signal ung D TB9 TB10 Source ee ER TB O TB12 Isolated Digital D TB13 p TB14 Ground D TB15 D TB16 D TB17 Y TB18 User Clock Output 0 gt D TB19 Ld TB20 D TB21 O TB22 D TB23 D TB24 p TB25 p TB26 User Clock Input 1 K This signal is not isolated on the DT9800 EC Series Figure 47 Cascading Counters Shown for Rate Generation Using Counters 0 and 1 and External Gate 0 Figure 48 shows an example of how to cascade user counters 0 and 1 externally to perform a one shot operation using an AC1324 screw terminal panel attached to connector J5 Note that you can also internally cascade counters using software if you internally cascade the counters you do not need to make the external cascading connections In this example counter 0 gate is logic high AC1324 Screw Terminal Panel f A User Clock Input 0 D TB1 D TB2 O TB3 TB4 Signal D TB5 D TB6 Source O TB7 p TB8 desa Digital D TB9 p TB10 round p TB11 Q TB12 m qp TB13 p TB14 D TB15 Q TB16 Gar Q TB17 D TB18 4 Q TB19
130. s AC1324 AC1324 J6 Screw J6 Screw Pin Terminal Signal Name Pin 4 Terminal Signal Name 1 TB1 Analog Input O 2 TB2 Analog Input O Return Analog Input 8 3 TB3 Isolated Analog Ground 4 TB4 Analog Input 1 Return Analog Input 9 5 TB5 Analog Input 1 6 TB6 Isolated Analog Ground 7 TB7 Analog Input 2 8 TB8 Analog Input 2 Return Analog Input 10 9 TB9 Isolated Analog Ground 10 TB10 Analog Input 3 Return Analog Input 11 11 TB11 Analog Input 3 12 TB12 Isolated Analog Ground 13 TB13 Analog Input 4 14 TB14 Analog Input 4 Return Analog Input 12 15 TB15 Isolated Analog Ground 16 TB16 Analog Input 5 Return Analog Input 13 17 TB17 Analog Input 5 18 TB18 Isolated Analog Ground 53 Chapter 4 Table 2 Connector J6 Pin Assignments cont AC1324 AC1324 J6 Screw J6 Screw Pin 4 Terminal Signal Name Pin 4 Terminal Signal Name 19 TB19 Analog Input 6 20 TB20 Analog Input 6 Return Analog Input 14 21 TB21 Not Connected 22 TB22 Analog Input 7 Return Analog Input 15 23 TB23 Analog Input 7 24 TB24 Isolated Analog Ground 25 TB25 Amp Low 26 TB26 External A D Trigger a Analog input signals 8 to 15 are not available on the 5B08 or 7BP08 1 backplane Analog input signals 4 to 15 are not available on the 7BP04 1 backplane b This signal is not isolated on the DT9800 EC Series Table 3 Connector J5 Pin Assignments
131. s Note In the case of a one shot operation the pulse width is set to 100 automatically Ensure that the signals are wired appropriately Refer to Chapter 4 for wiring examples Figure 59 shows an example of a one shot operation using an external gate input rising edge a clock output frequency of 1 kHz pulse period of 1 ms and a low to high pulse type One Shot Operation Starts External Gate Signal a 1 ms period 100 duty cycle Pulse Output Signal Figure 59 Example of One Shot Mode Repetitive One Shot Use repetitive one shot mode to generate a pulse output signal each time the module detects a trigger determined by the gate input signal You can use this mode to clean up a poor clock input signal by changing its pulse width and then outputting it In repetitive one shot mode the internal C T clock source is more useful than an external C T clock source refer to page 106 for more information on the internal C T clock source Principles of Operation Use software to specify the counter timer mode as repetitive one shot the polarity of the output pulses high to low transitions or low to high transitions the C T clock source and the gate type to trigger the operation as rising edge or falling edge Refer to page 109 for more information on pulse output types and to page 108 for more information on gates Note In the case of a repetitive one s
132. s associated clock input source If you are using one counter you can count a maximum of 65 536 events before the counter rolls over to 0 and starts counting again If you are using 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 to page 107 for more information on the external C T clock source Using software specify the counter timer mode as event counting count the C T clock source as external and the gate type that enables the operation as logic high Refer to page 109 for information on gates Ensure that the signals are wired appropriately Refer to Chapter 4 for wiring examples Figure 55 shows an example of an event counting operation using a logic high gate type high level enables operation Gate Input low level Signal disables operation External C T Clock imi gt Input Signal 3 events are counted while the operation is enabled event counting event countin S operation stops operation starts Figure 55 Example of Event Counting 110 Principles of Operation Frequency Measurement Use frequency measurement mode to measure the frequency of the signal from counter s associated clock input source over a specified duration In this mode use an external C T clock source refer to page 106 for more inf
133. s 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 DAQ Adaptor for MATLAB UM 22024 This document describes how to use Data Translation s DAQ Adaptor to provide an interface between the MATLAB Data Acquisition subsystem from The MathWorks and Data Translation s DT Open Layers architecture LV Link Online Help This help file describes how to use LV Link with the LabVIEW graphical programming language to access the capabilities of Data Translation data acquisition devices About this Manual Microsoft Windows XP Windows Vista or Windows 7 documentation e USB web site http www usb org Omega Complete Temperature Measurement Handbook and Encyclopedia This document published by Omega Engineering provides information on how to linearize voltage values into temperature readings for various thermocouple types Where To Get Help Should you run into problems installing or using a DT9800 Series module the Data Translation Technical Support Department is available to provide technical assistance Refer to Chapter 9 starting on page 137 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 da
134. switches 2 and 4 of SW1 OFF Channel 14 is an Analog Output Set switches 1 and 3 of SW1 ON Channel 15 is an Set switches 2 and Analog Output 4 of SW1 ON SW1 DT9800 EC or DT9800 EC I Series Module J5 J6 J4 34 Figure 10 DIP Switch SW1 Configuring the Module and or Device Driver For example assume that you are using a 5B01 with the DT9801 EC and that you want to use analog output channels 0 and 1 In this case ensure that you wire DACO signals to channel 14 and DAC1 signals to channel 15 on the 5B01 backplane Then set all the switches of DIP switch SW1 on the DT9800 EC or DT9800 EC I Series module to the ON position Also note the following considerations when using 5B and 7B Series signal conditioning accessories If you are using a 5B Series backplane you must install jumper W3 on the 5B Series backplane to connect Amp Low to Analog Ground 5Band 7B thermocouple modules provide their own CJC and return a voltage that already compensates for CJC Therefore when using 5B and 7B Series thermocouple modules you do not have to compensate for offsets The output of many 5B modules is 5 V The output of many 7B modules is 0 to 10 V Ensure that you select an input range that matches the output of the 5B or 7B modules that you are using For example if you are using 5B modules that have an output of 5 V usea bipolar input rang
135. t 3 Digital Output 4 Digital Output 5 Digital Output 6 Digital Output 7 Isolated Dig Gnd CJC on DT9805 06 54 1 Channel 00 53 2 Channel 08 00 Ret 52 3 Channel 01 51 4 Channel 09 01 Ret 50 5 Channel 02 49 6 Channel 10 02 Ret 48 7 Channel 03 47 8 Channel 11 03 Ret 46 9 Channel 04 DT9800 Standard Series Modules 45 10 Channel 12 04 Ret 44 11 Channel 05 43 12 Channel 13 05 Ret 42 13 Channel 06 41 14 Channel 14 06 Ret 40 15 Channel 07 39 16 Channel 15 07 Ret 38 17 Isolated An Gnd 37 18 Amp Low 0 KM KM KM YU MM M DN N M M MMM M M h o Qm QM A O O 0 dG oP WD OO G D GOGO QO GQ enm Ge gt gt gt G cea BEARS 9 PRS RTS SRST SEE S 66 6 2 Z Z Z Z Z Z A FPRPBocZeeecea 0332323328 998209998992 ORE E E E S SR R 0300775272 Dow WR ws a So 703700 ust o co a oO o eh Q eh x Figure 62 Screw Terminal Assignments for the DT9800 Standard Modules 155 Appendix B 156 EC and EC I Series Modules Table 41 lists the pin assignments for connector J6 Table 42 lists the pin assignments for connector J5 and Table 43 lists the pin assignments for connector J4 on the DT9800 EC and DT9800 EC I Series modules Table 41 Connector J6 Pin Assignments AC1324 AC1324 J6 Pin Screw Terminal Signal Name J6 Pin Screw Terminal Signal Name 1 TB1 Analog Input 0 2 TB2 Analog Input 0 Return Analog Input 8 3 TB3 Isolated Analog 4 TB4 Analog Input 1 R
136. t loop inputs 45 62 customer service 141 D D A subsystem 101 specifications 147 DACO Adjustment box 136 DACO Voltage box 136 DAC1 Adjustment box 136 DAC1 Voltage box 136 DAQ Adaptor for MATLAB 16 data encoding 98 103 120 data flow modes continuous C T 119 continuous digital input 119 continuous digital input operations 105 continuous post trigger 119 single value 119 data format analog input 98 analog output 103 data transfer 100 DataAcq SDK 16 description of the functional subsystems A D 87 C T 106 D A 101 DIN and DOUT 104 device driver 16 differential channels 121 differential inputs 41 57 digital I O features 104 lines 104 operation modes 105 resolution 104 specifications 148 specifying a digital input port in analog input channel list 89 testing 79 80 wiring 47 64 digital trigger 93 DIN subsystem 104 specifications 148 DIP switch SW1 34 DOUT subsystem 104 specifications 148 DT9800 Series Device Driver 16 33 DT Open Layers for NET Class Library 16 DTx EZ 16 duty cycle 109 dynamic digital output 89 105 E edge gate type high 108 low 108 encoding data analog input 98 analog output 103 environmental specifications 150 151 EP035 17 29 EP365 17 24 errors analog input 100 event counting 48 68 110 126 external clock 125 A D sample 93 C T 107 167 Index 168 external clock divider maximum 125 minimum 125 external positive digital trigger 93 124 externally retrigg
137. ta on each trigger or retrigger When it detects an initial trigger either a software trigger or an external trigger the DT9800 Series module scans the channel list once then waits for a software retrigger to occur When it detects a software retrigger the module scans the channel list once again then waits for another software retrigger to occur The process repeats continuously until either the allocated buffers are filled or until you stop the operation refer to page 100 for more information on buffers The sample rate is determined by the frequency of the A D sample clock divided by the number of entries in the channel list refer to page 92 for more information on the A D sample clock The conversion rate of each scan is determined by the frequency of the Triggered Scan Counter on the module the Triggered Scan Counter is a 24 bit counter with a 12 MHz clock Figure 52 illustrates triggered scan mode In this example post trigger analog input data is acquired on each clock pulse of the A D sample clock until the channel list has been scanned once then the module waits for the retrigger event When the retrigger event occurs the module scans the channel list once again acquiring data on each pulse of the A D sample clock The process repeats continuously with every specified retrigger event 95 Chapter 6 Chano Chan2 Chan 0 Chan 2 Chan 1 Chan 1
138. tatranslation com 11 About this Manual 12 Overview i0 Mam 14 supported SOLA isiecsse c Re Dre tr pee Rer Oe REIP REP ESO PERPE n Rd 16 AOSE P KEAR A A A AA AA 17 Getting N ci id A eR rer ge 18 13 Chapter 1 Features The DT9800 Series is a family of low cost multifunction data acquisition modules for the Universal Serial Bus USB Ver 1 1 or Ver 2 0 Most computers have two or more USB ports that allow direct connection to USB devices You can expand the number of USB devices attached to a single USB port by using expansion hubs DT9800 Series modules are part of the high power bus powered USB class therefore the modules do not require external power but the expansion hubs do require external power DT9800 Series modules reside outside of the PC and install with a single cable to ease installation Modules can be hot swapped or plugged and unplugged while the PC is on making them useful for many data acquisition applications The DT9800 Series includes the following subseries DT9800 Standard Series DT9800 EC Series and DT9800 EC I Series The DT9800 EC Series modules are not isolated the DT9800 Standard Series and DT9800 EC I Series modules are isolated In addition the DT9800 EC and DT9800 EC I Series modules support the use of optional backplanes and screw terminal panels that provide signal conditioning and other features Table 1 lists the modules in each series and the key features of e
139. 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 4 138 Troubleshooting Table 30 Troubleshooting Problems cont Symptom Possible Cause Possible Solution Device failure error reported The DT9800 Series module cannot communicate with the Microsoft bus driver or a problem with the bus driver exists Check your cabling and wiring and tighten any loose connections see the instructions in Chapter 4 The DT9800 Series module was removed while an operation was being performed Ensure that your DT9800 Series module is properly connected see the instructions in Chapter 2 Data appears to be invalid An open connection exists Check your wiring and fix any open connections see the instructions in Chapter 4 A transducer is not connected to the channel being read Check the transducer connections see the instructions in Chapter 4 The module is set up for differential inputs while the transducers are wired as single ended inputs or vice versa Check your wiring and ensure that what you specify in software matches your hardware configuration see the instructions in Chapter 4 Computer does not boot
140. that you have wired your signals properly using the instructions in Chapter 4 7 Search the DT Knowledgebase in the Support section of the Data Translation web site at www datatranslation com for an answer to your problem 8 Visit the product s page on the Data Translation web site for the latest tips white papers product documentation and software fixes If you still experience problems try using the information in Table 30 to isolate and solve the problem If you cannot identify the problem refer to page 138 Table 30 Troubleshooting Problems Symptom Possible Cause Possible Solution Module is not You plugged the module into your From the Control Panel gt System gt Hardware gt recognized computer before installing the Device Manager uninstall any unknown devices device driver 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 The module configuration is Check the configuration of your device driver see the respond incorrect instructions in Chapter 3 The module is damaged Contact Data Translation for technical support refer to page 140 Intermittent operation Loose connections or vibrations Check your wiring and tighten any loose connections exist or cushion vibration sources see the instructions in Chapter 4 The module is overheating Check environmental and ambient
141. the thermocouple calibration you can load the factory default settings stored in the EEPROM by clicking Restore in the Thermocouple Calibration Factory Settings box Once you have finished this procedure the thermocouple circuitry is calibrated You can now calibrate the analog output circuitry if you wish following the instructions in the next section 135 Chapter 8 136 Calibrating the Analog Output Subsystem To calibrate the analog output circuitry of the DT9802 DT9802 EC DT9802 EC I DT9804 DT9804 EC DT9804 EC I or DT9806 modules use an external precision meter To calibrate the analog output circuitry do the following 1 2 10 Connect Analog Output 0 TB19 to the positive side of the precision voltage meter Connect Analog Output 0 Return TB20 to the negative side of the precision voltage meter In the DACO Voltage box click 0 000 V In the DACO Adjustment box click the increment or decrement arrows until your external meter display reads 0 V within 0 005 V In the DACO Voltage box click 9 375 V and verify that your external meter display reads 49 375 V within 12 mV Connect Analog Output 1 TB21 to the positive side of the precision voltage meter Connect Analog Output 1 Return TB22 to the negative side of the precision voltage meter In the DACI Voltage box click 0 000 V In the DAC1 Adjustment box click the increment or decrement arrows until your external meter displa
142. thermocouple analog inputs 46 connecting to the host computer directly 24 using a self powered USB hub 25 connector J1 pin assignments 154 connectors J4 27 J5 27 J6 27 continuous analog input post trigger 119 continuous analog output 119 continuous counter timer 119 continuous digital I O 119 continuous operations continuously paced scan mode 94 counter timer 112 externally retriggered scan mode 97 software retriggered scan mode 95 conversion modes 94 continuously paced scan mode 94 dynamic digital output 105 externally retriggered scan mode 97 single value analog input 94 single value analog output 102 single value digital I O 105 Index software retriggered scan mode 95 conversion rate 94 95 97 counter timer features 106 C T clock sources 106 cascading 126 cascading externally 49 51 69 71 72 cascading internally 107 channels 121 clock sources 125 duty cycle 109 event counting 126 gate types 108 high edge gate type 126 high level gate type 126 high to low output pulse 126 internal gate type 126 low edge gate type 126 low level gate type 126 low to high output pulse 126 one shot mode 126 operation modes 110 pulse output types 109 rate generation mode 126 repetitive one shot mode 126 specifications 149 units 106 variable pulse width 126 wiring event counting signals 48 49 68 wiring frequency measurement signals 50 70 wiring pulse output signals 50 71 counting events 110 curren
143. tial connections usually cancel any common mode voltages leaving only the signal However if you are using a grounded signal source and ground loop problems arise connect the differential signals to the DT9800 Standard Series module as shown in Figure 15 In this case make sure that the low side of the signal is connected to ground at the signal source not at the DT9800 Standard Series module and do not tie the two grounds together Wiring Signals DT9800 Standard Series Module id Analog In 0 qp TB p TB2 Grounded Pd D Signal Es D Source Analog In 0 N Return O N O L4 D O We recommend that you Signal Source D software select 10 kQ of Ground Var resistance to connect the low side of channel 0 to analog ground a physical resistor is not Isolated Analog f required Refer to page Ground O TB17 33 for more information D Figure 15 Connecting Differential Voltage Inputs from a Grounded Signal Source Shown for Channel 0 Connecting Current Loop Inputs Figure 16 shows how to connect a current loop input channel 0 in this case to a DT9800 Standard Series module Vcc DT9800 Standard Series Module 4to 20 mA Analog Input 0 User installed resistor 0 The user installed resistor Analog Input 0 O connects the high side of Return O the channel to the low D D D D side of the corresponding channel thereby ac
144. ting as a shunt If for example you add a 250 Q resistor then connect a 4 to 20 mA current loop input to channel 0 the input range is converted to 1 to 5 V Isolated Analog Ground TB17 D We recommend that you software select 10 kQ of termination resistance to connect the low side of channel 0 to analog ground a physical resistor is not required Refer to page 33 for more information Figure 16 Connecting Current Inputs Shown for Channel 0 45 Chapter 4 Note If you are using current loop inputs set up the software so that bias return resistance is used For more information refer to page 33 Connecting Thermocouple Inputs The DT9805 and DT9806 modules provide cold junction compensation CJC on channel 0 at 10 mV C You can attach up to seven thermocouples to the DT9805 or DT9806 module using channel 0 as a CJC The accuracy of the CJC is 1 from 5 to 45 C Figure 17 shows how to connect a thermocouple input to channel 1 of a DT9805 or DT9806 module DT9805 or DT9806 Module CJC No Connection 10 kQ 10 mv C MUX toChannelo High o TB1 m ENS Low Chan 0 TB2 D 10 k0x 2 5VRef High qp TB3 10 MQ 5 Low Chan 1 TB4 3 J D 10 kQx Th n l D ermocoupie D The 10 kQ resistor to the CJC the CJC Input on the 10 MQ resi Q e resistor and the 42 5 V Channel 1 D reference are supplied on the DT9805 a
145. tput 109 LV Link 16 M MaxDifferentialChannels 121 MaxExtClockDivider 125 MaxFrequency 125 MaxMultiScanCount 120 MaxRetriggerFreq 120 MaxSingleEndedChannels 121 Measure Foundry 16 measuring frequency 111 Index MinExtClockDivider 125 MinFrequency 125 MinRetriggerFreq 120 module specifications 150 151 N number of differential channels 121 gains 121 I O channels 121 resolutions 122 scans per trigger 120 single ended channels 121 voltage ranges 122 NumberOfChannels 121 NumberOfRanges 122 NumberOfResolutions 122 NumberOfSupportedGains 121 Nyquist Theorem 93 O Offset box 133 one shot mode 113 one shot pulse output 126 online help 75 operation modes continuous digital input 105 continuously paced scan mode 94 event counting 110 frequency measurement 111 one shot pulse output 113 rate generation 112 repetitive one shot pulse output 114 single value analog input 94 single value analog output 102 single value digital I O 105 software retriggered scan mode 95 Opto 22 backplane 17 27 attaching 29 orderly stop 94 output pulses 50 71 82 126 output ranges 102 outputting pulses continuously 112 one shot 113 repetitive one shot 114 P PB16H Opto 22 backplane 17 27 attaching 29 PGL Zero box 134 physical specifications 150 151 pin assignments 154 ports 104 post trigger acquisition mode 119 power specifications 150 151 power supply HES14 21 17 PWR 977 17 pseudo differential inputs
146. tputs include diode protection to the isolated ground and the isolated 5 V If you apply 5 V to the 5 V output the digital outputs maintain their previous state if the computer goes down or if the USB cable is unplugged On enumeration the module senses the 5 V and does not reset the digital outputs Note DT9800 EC Series modules do not provide isolated ground or isolated 5 V power Resolution The resolution of the digital input port is fixed at 8 bits the resolution of the digital output port is also fixed at 8 bits You cannot program the digital I O resolution in software 104 Principles of Operation Operation Modes The DT9800 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 and a gain of 1 the gain is ignored Data is then read from or written to 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 input takes full advantage of the capabilities of the DT9800 Series modules In this mode enter all eight digital input lines of Port A as channel 16 of the analog input channel list program this mode through the A D subsystem Using this mode you can specify a clock source scan mode
147. uency of the A D sample clock divided by the number of entries in the channel list To select continuously paced scan mode use software to specify the dataflow as continuous and to specify a trigger source to start the operation Refer to page 93 for more information on the supported trigger sources 94 Principles of Operation Figure 51 illustrates continuously paced scan mode using a channel list with three entries channel 0 channel 1 and channel 2 In this example analog input data is acquired on each clock pulse of the A D sample clock When it reaches the end of the channel list the module wraps to the beginning of the channel list and repeats this process Data is acquired continuously Chan 0 Chan2 ChanO Chan2 Chan 0 Chan 2 ChanO Chan2 Chan 1 Chan 1 Chan Chan 1 7 TII HL T Sample L Clock Data acquired continuously Trigger event occurs Figure 51 Continuously Paced Scan Mode Triggered Scan Mode DT9800 Series modules support two triggered scan modes software retriggered and externally retriggered These modes are described in the following subsections Software Retriggered Scan Mode Use software retriggered scan mode if you want to accurately control both the period between conversions of individual channels in a scan and the period between each scan This mode is useful when synchronizing or controlling external equipment or when acquiring a buffer of da
148. uffer using software Two scan modes are supported continuously paced scan mode and triggered scan mode often called burst mode These modes are 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 data stops all subsequent acquisition and transfers the acquired data to host memory all subsequent triggers or retriggers are ignored In an abrupt stop the module stops acquiring samples immediately the acquired data is not transferred to host memory and all subsequent triggers or retriggers are ignored Continuously Paced Scan Mode Use continuously paced scan mode if you want to accurately control the period between conversions of individual channels in a scan When it detects an initial trigger the module cycles through the channel list acquiring and converting the value for each entry in the list this process is defined as the scan The module then wraps to the start of the channel list and repeats the process continuously until either the allocated buffers are filled or until you stop the operation Refer to page 100 for more information on buffers The conversion rate is determined by the frequency of the A D sample clock refer to page 92 for more information on the A D sample clock The sample rate which is the rate at which a single entry in the channel list is sampled is determined by the freq
149. ure 53 Counter Timer Channel Each counter corresponds to a counter timer C T subsystem To specify the counter to use in software specify the appropriate C T subsystem Counter 0 corresponds to C T subsystem element 0 counter 1 corresponds to C T subsystem element 1 C T Clock Sources The following clock sources are available for the user counters Internal C T clock External C T clock Internally cascaded clock Refer to the following subsections for more information on these clock sources 106 Principles of Operation Internal C T Clock The internal C T clock uses a 12 MHz time base Counter timer operations start on the rising edge of the clock input signal Through software specify the clock source as internal and the frequency at which to pace the counter timer operation this is the frequency of the clock output signal The maximum frequency that you can specify for the clock output signal is 750 kHz The minimum frequency that you can specify for the clock output signal for each 16 bit counter is 183 1 Hz The rising edge of the clock is the active edge 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 rising edge of the external C T clock input signal is the active edge Using software specify the clock source as external and the clock divider used to determ
150. using another USB cable The operating system automatically detects the USB device and starts the Found New Hardware wizard 4 For Windows Vista a Click Locate and install driver software recommended The popup message Windows needs your permission to continue appears b Click Continue The Windows Security dialog box appears c Click Install this driver software anyway 25 Chapter 2 For Windows XP a 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 b Click Next and or Finish again Note Windows 7 finds the device automatically 5 Repeat these steps until you have attached the number of hubs and modules that you desire Refer to Figure 3 The operating system automatically detects the USB devices as they are installed DT9800 Series Mod le DT9800 Series Module USB Cables Host Computer E USB Cable USB Cable H Power ua T ee a for Hub USB Hubs DT9800 Series DT9800 Series Module Module USB Cables Figure 3 Attaching Multiple Modules Using Expansion Hubs Note You can unplug a module and 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 If you are using a DT9800 EC or DT9800 EC I Series mo
151. y 100 kSamples s for DT9803 04 0 0196 accuracy 50 kSamples s for DT9805 06 0 0196 accuracy 10 kSamples s 0 03 accuracy Data throughput cont Multiple channels scan with gain of 500 Single digital channel 2 kSamples s 0 04 accuracy 100 kSamples s for DT9803 04 50 kSamples s for DT9805 06 100 kSamples s CJC Voltage 25 C 0 250 V Cold Junction Accuracy 1 from 5 to 45 C Break Detection Current 250 nA high side differential External A D sample clock Input type High level input voltage Low level input voltage Minimum pulse width Maximum frequency HCT Rising Edge Sensitive with 22 KQ pull up resistor 2 4 V minimum 0 8 V maximum 600 ns high 600 ns low 750 0 kHz External A D digital TTL trigger Input type High level input voltage Low level input voltage Minimum pulse width HCT Rising Edge Sensitive with 22 kQ pull up resistor 2 4 V minimum 0 8 V maximum 600 ns high 600 ns low Maximum frequency 750 0 kHz Dynamic Digital Output Output driver TTL Output driver high voltage Output driver low voltage Back EMF Diodes 2 4 V maximum IOH 1 mA 0 5 V maximum IOL 2 mA Yes n Break detection current This value is referenced to voltage entering the A D converter To reference this value to the original voltage signal use 25 5uV Gain Gain degrees C On channel 0 only o
152. y reads 0 V within 0 005 V In the DAC1 Voltage box click 9 375 V and verify that your external meter display reads 9 375 V within 12 mV Note If you are not satisfied with the analog output calibration you can load the factory default settings stored in the EEPROM by clicking Restore in the D A Calibration Factory Settings box Once you have finished this procedure the analog output circuitry is calibrated To close the Calibration Utility click Done Troubleshooting CACA CSI coco dee rem Pe ee aE SERA oe Ma e oie d ees 138 Tecdinical SPO covey deere ter prc ud edo eai IA REDPERERPE E A ed qnd 140 If Your Module Needs Factory Service cic ccc cer eet re eee em Eee 141 137 Chapter 9 General Checklist Should you experience problems using the DT9800 Series modules 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 2 Check the OMNI CD for any README files and ensure that you have used the latest installation and configuration information available 3 Check that your system meets the requirements stated in the README file on the OMNI CD 4 Check that you have installed your hardware properly using the instructions in Chapter 2 5 Check that you have installed and configured the device driver properly using the instructions in Chapter 3 6 Check

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