Data Translation DT9820 Series Getting Started Manual Download Page 57 | Manualshive

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49

7

Verifying the Operation of a

Function Module

Installing the Quick Data Acq Application . . . . . . . . . . . . . . . . .

Running the Quick Data Acq Application . . . . . . . . . . . . . . . . . .

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Summary of Contents for DT9820 Series

Page 1: ...DT9820 Series UM 18219 B Getting Started Manual...

Page 2: ...ements 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 di...

Page 3: ...Hardware Features 2 DT9820 Series Software 3 Getting Started Procedure 4 Chapter 2 Preparing to Use a Function Module 5 Unpacking 7 Checking the System Requirements 8 Installing the Software 9 Viewin...

Page 4: ...Signals 46 Connecting Digital Output Signals 47 Chapter 7 Verifying the Operation of a Function Module 49 Installing the Quick Data Acq Application 52 Running the Quick Data Acq Application 54 Perform...

Page 5: ...Windows Me Millennium Edition Windows 2000 or Windows XP operating system How this Manual is Organized This manual is organized as follows Chapter 1 Overview describes the key features of the DT9820...

Page 6: ...owing conventions are used in this manual Notes provide useful information that requires special emphasis cautions provide information to help you avoid losing data or damaging your equipment and warn...

Page 7: ...TM in Windows 98 Windows Me Windows 2000 or Windows XP to access the capabilities of Data Translation data acquisition devices This manual is included on the Data Acquisition OMNI CD DTx EZ Getting St...

Page 8: ...artment is available to provide technical assistance Refer to the DT9820 Series User s Manual for information on how to contact the Technical Support Department refer to page 11 for information on vie...

Page 9: ...1 1 Overview DT9820 Series Key Hardware Features 2 DT9820 Series Software 3 Getting Started Procedure 4...

Page 10: ...of Analog Inputs Analog Input Sample Rate of Analog Outputs of Digital I O Lines 60 Hz 50 Hz DT9821 4 with 24 bit resolution1 1 The channels are configured as differential 960 Hz 800 Hz 0 8 input2 8...

Page 11: ...tomatically calibrated when the module is powered up The Quick Data Acq application Provides a quick way to get a DT9820 Series function module up and running Using the Quick Data Acq application you...

Page 12: ...getting started procedure Figure 1 Getting Started Flow Diagram Install the Function Module see Chapter 3 starting on page 13 Wire Signals see Chapter 6 starting on page 35 Verify the Operation of th...

Page 13: ...5 2 Preparing to Use a Function Module Unpacking 7 Checking the System Requirements 8 Installing the Software 9 Viewing the DT9820 Series Documentation Online 11...

Page 14: ...apter 6 starting on page 35 Verify the Operation of the Function Module see Chapter 7 starting on page 49 Configure the Device Driver see Chapter 4 starting on page 21 Prepare to Use a Function Module...

Page 15: ...contact Data Translation If you are in the United States call the Customer Service Department at 508 481 3700 An application engineer will guide you through the appropriate steps for replacing missing...

Page 16: ...em meets the system requirements install the software as described in the next section Table 2 Minimum System Requirements Feature Minimum Requirements Operating System Windows 98 Windows Me Windows 2...

Page 17: ...can install appears 6 Click Device Drivers The DT Open Layers Data Acquisition software wizard appears 7 Click Next You are prompted for the destination location 8 Either change the directory path and...

Page 18: ...program folder name 10 Either change the program folder name or accept the default program folder name then click Next The files are copied to the destination directory 11 Click Finish The DT Data Ac...

Page 19: ...the table of contents on the left side of the document Within the document click the text shown in blue to jump to the appropriate reference the pointer changes from a hand to an index finger To go b...

Page 20: ...Chapter 2 12...

Page 21: ...13 3 Installing a Function Module Connecting Directly to the Host Computer 16 Connecting to a Self Powered USB Hub 18...

Page 22: ...page 35 Verify the Operation of the Function Module see Chapter 7 starting on page 49 Configure the Device Driver see Chapter 4 starting on page 21 Prepare to Use a Function Module see Chapter 2 start...

Page 23: ...sufficient for your application Connect to one or more self powered USB hubs described on page 18 Use this method if your application requires more than two DT9820 Series function modules connected t...

Page 24: ...Figure 2 The operating system automatically detects the USB device Figure 2 Attaching the DT9820 Series Function Module Directly to the Host Computer 3 If you previously installed the DT9820 Series De...

Page 25: ...Click Finish A New Hardware Found dialog box appears indicating that Windows is installing the driver for the USB device 8 Repeat the steps 1 to 2 to attach another DT9820 Series function module to th...

Page 26: ...each DT9820 Series module the maximum throughput is 960 Hz and each buffer is four bytes wide Therefore if you want to achieve full throughput on each function module you should connect no more than...

Page 27: ...0 Series Device Driver 5 Click the option to search for the driver then click Next 6 Click the option to specify the location then enter x Products Core DT9820 as the path from which to copy files whe...

Page 28: ...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 EP310 Cable Self Powered USB Hubs Host Computer DT98...

Page 29: ...21 4 Configuring the Device Driver...

Page 30: ...hapter 6 starting on page 35 Verify the Operation of the Function Module see Chapter 7 starting on page 49 Configure the Device Driver this chapter Prepare to Use a Function Module see Chapter 2 start...

Page 31: ...termination resistance is used for the analog input channels This is the default configuration Bias return termination resistance is particularly useful when your differential source is floating 5 Sel...

Page 32: ...This name is used to identify the module in all subsequent applications 10 When you are finished configuring the function module click Close 11 Repeat steps 3 to 10 for the other function modules that...

Page 33: ...25 5 Configuring and Attaching the Screw Terminal Panel Configuring the STP9820 28 Attaching the STP9820 32...

Page 34: ...hapter 6 starting on page 35 Verify the Operation of the Function Module see Chapter 7 starting on page 49 Configure the Device Driver see Chapter 4 starting on page 21 Prepare to Use a Function Modul...

Page 35: ...e STP9820 screw terminal panel then attach the STP9820 to the DT9820 Series module Refer to Figure 4 for an illustration of the STP9820 Figure 4 STP9820 Screw Terminal Panel J1 R2 R4 R7 R9 R12 R14 R17...

Page 36: ...ules use dual RC low pass input filters for each analog input channel with a cutoff frequency of 100 Hz Through software you can turn these input filters on or off they are off by default If the filte...

Page 37: ...equency also decreases the noise rejection Table 3 lists the approximate resistor values to use for certain input filter cutoff frequencies Table 4 lists the locations from which to remove and add res...

Page 38: ...h TTL digital output lines allows the digital output lines of the DT9820 Series board to drive most commercially available 5 V relays with up to 100 mA of current and 5 V of user supplied power Table...

Page 39: ...l a relay driver perform the following steps 1 Remove resistors from locations R22 to R29 2 Solder the relay driver in location U1 on the STP9820 while observing the correct polarity Continue with the...

Page 40: ...le from Data Translation Figure 5 illustrates these connection methods Figure 5 Attaching the STP9820 Screw Terminal Panel to a DT9820 Series Function Module Table 5 on page 33 lists the pin assignmen...

Page 41: ...ine 0 10 5 V Isolated Input Outputa 11 Isolated Digital Ground 12 Isolated Analog Common 13 Analog Input Subsystem 03 14 Isolated Analog Common 15 Analog Input Subsystem 02 16 2 5 V Reference 17 Analo...

Page 42: ...ates power to the module You can externally power the 5 V isolated output signal This allows you to retain the last value that was written to the digital output lines when the DT9820 Series module is...

Page 43: ...35 6 Wiring Signals Preparing to Wire Signals 37 Connecting Analog Input Signals 41 Connecting Analog Output Signals 45 Connecting Digital Input Signals 46 Connecting Digital Output Signals 47...

Page 44: ...chapter Verify the Operation of the Function Module see Chapter 7 starting on page 49 Configure the Device Driver see Chapter 4 starting on page 21 Prepare to Use a Function Module see Chapter 2 start...

Page 45: ...ctric 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 DT9820 Series function modules are operati...

Page 46: ...Note Connector J1 is tied to the host computer s chassis ground Table 6 lists the assignments of the screw terminals on the STP9820 screw terminal panel Table 6 Screw Terminal Assignments of the STP98...

Page 47: ...alog Ground 3 DAC0 Analog Output 0 4 DAC1 Analog Output 1 5 DGND Digital Ground 6 5VD 5 Va TB4 1 DOUT0 Digital Output 0 2 DOUT1 Digital Output 1 3 DOUT2 Digital Output 2 4 DOUT3 Digital Output 3 5 DOU...

Page 48: ...ailable only when one of the subsystems is activated which in turn acti vates power to the module You can externally power the 5 V isolated output signal This will allow you to retain the last value t...

Page 49: ...the differential channels by adding 10 k of termination resistance from the low side of the channel to isolated analog ground For more information on configuring termination resistance refer to Chapt...

Page 50: ...Return Analog Ground Rs Analog In 0 Analog In 0 Return Analog Ground Rv Rs Bridge DC Supply A B STP9820 Screw Terminal Panel TB1 2 It is recommended that you software select 10 k of resistance to con...

Page 51: ...make sure that the low side of the signal is connected to ground at the signal source not at the DT9820 Series function module and do not tie the two grounds together Figure 7 Connecting Differential...

Page 52: ...log Input 0 Return Analog Ground 4 to 20 mA VCC User installed resistor The user installed resistor connects the high side of the channel to the low side of the corresponding channel thereby acting as...

Page 53: ...Signals Figure 9 shows how to connect an analog output voltage signal channel 0 in this case to a DT9822 function module Figure 9 Connecting Analog OutputVoltages Shown for Channel 0 Analog Output 0...

Page 54: ...connect digital input signals lines 0 and 1 in this case to a DT9820 Series function module Figure 10 Connecting Digital Inputs Shown for Lines 0 and 1 TB5 1 TB5 2 Digital Input Line 0 Digital Input...

Page 55: ...s needed to drive this relay In this scheme one side of the relay is connected to the Vcc power supply this connection allows the internal cache diodes to limit the voltage spikes from the relay coil...

Page 56: ...6 48 Figure 12 Connecting a Relay Driver to the STP9820 ScrewTerminal Panel TB4 1 Digital Output Line 0 5 V Relay Coil STP9820 Screw Terminal Panel TB3 5 STP9820 Screw Terminal Panel TB3 6 5 V Digital...

Page 57: ...49 7 Verifying the Operation of a Function Module Installing the Quick Data Acq Application 52 Running the Quick Data Acq Application 54...

Page 58: ...hapter 6 starting on page 35 Verify the Operation of the Function Module this chapter Configure the Device Driver see Chapter 4 starting on page 21 Prepare to Use a Function Module see Chapter 2 start...

Page 59: ...single analog input channel or digital input port Acquire data continuously from one or more analog input channels using an oscilloscope strip chart or Fast Fourier Transform FFT view Output data from...

Page 60: ...roducts that you can install appears 6 Click Quick Data Acq The Quick Data Acq setup wizard appears 7 Click Next You are prompted for the destination location 8 Either change the directory path and or...

Page 61: ...Verifying the Operation of a Function Module 53 7 7 7 7 7 7 7 7 7 12 Click Finish The DT Data Acquisition Software setup program reappears 13 Click Main Menu 14 Click Exit...

Page 62: ...e 9 3 Select Quick Data Acq from the Data Translation Inc Quick Data Acq program group Note The Quick Data Acq application allows you to verify basic operations on the module however it may not suppor...

Page 63: ...information on connecting differential analog input signals 2 Click the Acquisition menu 3 Click Single Analog Input 4 Select the appropriate DT9820 Series function module from the Board list box Not...

Page 64: ...u 3 Click Single Analog Output 4 Select the appropriate DT9820 Series function module from the Board list box Note Once you select the function module the LED on the module turns green 5 In the Channe...

Page 65: ...for more information on connecting differential analog input signals 2 Click the Acquisition menu 3 For this example click Scope 4 Select the appropriate DT9820 Series function module from the Board...

Page 66: ...hanges to reflect the selected range for all the analog input channels on the module 10 In the Trigger box select Auto to acquire data continuously from the specified channels or Manual to acquire a b...

Page 67: ...he DT9820 Series function module Refer to page 46 for more information on connecting digital inputs 2 Click the Acquisition menu 3 Click Digital Input 4 Select the appropriate DT9820 Series function m...

Page 68: ...module from the Board list box Note Once you select the function module the LED on the module turns green 5 Select digital output port B by clicking Port B 6 Click the appropriate bits to select the...

Page 69: ...61 A Using Your Own Screw Terminal Panel Analog Inputs 63 Analog Outputs 64 Digital Inputs 65 Digital Outputs 66...

Page 70: ...de If you choose not to use the STP9820 screw terminal panel considerations must be given as to how the signals interact in the real world as well as how they interact with each other This appendix de...

Page 71: ...to cross talk and thermal errors One problem to consider with differential inputs is the bias current error The differential impedance is usually hundreds of megaohms With a very small bias current mu...

Page 72: ...e grounds of most boards are optimized for analog inputs at the expense of some logic or high frequency noise on the analog outputs This is because the analog and digital grounds of the board are conn...

Page 73: ...5 A A A A A A A A A Digital Inputs TTL type inputs must have current limiting so that circuitry is not damaged when power is removed On all Data Translation USB modules current limiting is used to pre...

Page 74: ...he digital ground provided in the connector next to the outputs If just eight of the digital outputs are switching 16 mA per output then 128 mA of current flows To minimize problems with ringing loadi...

Page 75: ...ls analog outputs 45 differential analog inputs 41 digital inputs 46 digital outputs 47 relays 47 connecting to the host computer directly 16 using a self powered USB hub 18 connector J1 pin assignmen...

Page 76: ...uick Data Acq 3 installing 52 running 54 R related documents vi relay drivers 30 relays 47 requirements 8 running the Quick Data Acq application 54 S screw terminal assignments 38 STP9820 screw termin...

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