SCC Quick Start Guide
Contents
1. DIOO DIOL DIO2 naaa AA np BiOS DIO6 DIO Sones 1 SCC Socket 5 J24 9 Screw Terminal Block 2 SCC Socket Reference Designator 6 J25 10 Grounding Terminal Lug 3 SCC Key Slot 7 J21 11 Assembly Number 4 Serial Number 8 Power LEDs Figure 9 SC 2345 Carrier Diagram Bi id l y N Teneo 22 36 ae oi El Ro Q T 3 ik oe 1 Power LEDs 5 Screw Terminal Block 9 SCC Socket Reference Designator 2 J21 6 J25 10 SCC Socket 3 Serial Number 7 J24 4 Assembly Number 8 SCC Key Slot Figure 10 SC 2345 with Configurable Connectors Rear Cabled Diagram National Instruments Corporation 13 SCC Quick Start Guide DIGITAL 170 om ANALOG INPUT cpcta D100 BIO Digg Digs Digg DIOS Dios D107 ache acute ach 2719 ach S71 ach taz acn Shig Ach 8 1 ach Y n H D EY a 6 Ore Py edo Hs E wag P i p SE ED L____ analog outy DAC 0 ean o o On NTS EAO RSI AGAR AOS AETA MTS DEO DET ANALOG INPUT aNaLos output 1 SCC Socket Reference Designator 5 Assembly Number 9 J25 2 SCC Socket 6 Serial Number 10 J21 3 SCC Key Slot2. e ANSIC without NI Application Software The Traditional NI DAQ User Manual and the NI DAQmx Help contain API overviews The NI DAQmx Help also contains general information about measurement concepts The Traditional NI DAQ C Reference Help and the NI DAQmx C Reference Help describe the C functions and attributes Select Start Programs National Instruments NI DAQ and the document title for the NI DAQ API you are using e NET Languages without NI Application Software The NI Measurement Studio Help contains the NI DAQmx API overview measurement tasks and concepts and function reference This help file is integrated into the Visual Studio NET documentation In Visual Studio NET select Help Contents B Note Ifyou use a NET language without Visual Studio NET you might not be able to view the NI Measurement Studio Help SCC Quick Start Guide 34 ni com e Device Documentation NI DAQ 7 x includes online documentation for supported devices and accessories including PDF and help files describing device terminals specifications features and operation To find view and print the documents for each device insert the CD After installing the Device Document Browser device documents are accessible from Start Programs National Instruments NI DAQ Browse Device Documentation Worldwide Technical Support Visit the National Instruments Web site at ni com e Support Online technical support resources at ni com support i
3. Figure 14 shows the locations of the SCC module sockets screw terminal block and other parts on the SC 2350 carrier i g oe oF rassaa 1i A 7 ele corr e MADE NUSA poeta as je 9 o Ni14 o Gi Hy o 3 grdonoionooi o C o o O Reals o gle e R a Wele o ouma elele i o o Z 3S o ele a an RE iR an HE elel Slag H f i o S 0 2 y o o u Lad Sle ow core s33 420 verL Lal L J29 28 34 426 32 oo oo Jeo Jeo ee Jeo oo oo 9 DATA 08 DATA 1 9 DATA 210 DATA 3 11 DATA 4 12 DATA 5 13 DATA 6 14 DATA 7 15 DATA 0 1 RETURNOS RETURN 19 RETURN2 0 RETURN3 11 RETURN 412 RETURN 5 3 RETURN 6 14 RETURN 7 5 RETURN 0 1 TEDS CONNECTIONS FOR ANALOG INPUT TEDS ANALOG me o o fom Sseccccces o z J6 J FOR PATENTS Ni AOO AI 5 413 AO1 Analog Output Analog Input Al 0 8 Analog Output Analog Input Al 1 9 Analog Input Al 2 10 Analog Input AIl 3 11 Analog Input Al 4 12 Analog Input Analog Input Al 6 14 Analog Input AL7 15 7 a eecccccece HHR sg O J7 eeccccccce HHA I eeccccccce HHHH o EI aa ee IDo ER BEDI Alar ANALOG INPUT 2 2 H H z LH O LH O POWER heres 0000 o o
4. Recommended NI DAQmx Recommended SCC Module Measurement Type Parameter Settings SCC ACCO1 Analog Input Accelerometer Current Excitation Value 4 mA Excitation Source Internal Sensitivity SCC AIO1 Analog Input Voltage Max Min 42 V SCC AI02 Analog Input Voltage Max Min 20 V SCC AI03 Analog Input Voltage Max Min 10 V SCC AI04 Analog Input Voltage Max Min 5 V SCC AIO5 Analog Input Voltage Max Min 1 V SCC AI06 Analog Input Voltage Max Min 100 mV SCC AIO7 Analog Input Voltage Max Min 50 mV SCC AI13 Analog Input Voltage Max Min 10 V SCC AI14 Analog Input Voltage Max Min 5 V SCC A10 Analog Input Voltage Max Min 100 V SCC AO10 Analog Output Voltage Max Min 10 V SCC CI20 Analog Input Current Max 20 mA Min 0 mA SCC CO20 Analog Output Current Max 20 mA Min 0 mA SCC DIO1 Digital Input Use default SCC DOO1 Digital Output Use default SCC FTO1 Any measurement type Based on your application SCC FV01 Analog Input Frequency Use default SCC LPO1 Analog Input Voltage Max Min 10 V SCC LP02 Analog Input Voltage Max Min 10 V SCC LP03 Analog Input Voltage Max Min 10 V SCC Quick Start Guide 28 ni com Table 5 SCC Module and Corresponding NI DAQmx Measurement Type Continued Recommended NI DAQmx Recommended SCC Module Measurement Type Parameter Settings SCC LP04 Analog Input Voltage Max Min 10 V SCC RLYO1 Digita
5. 4 6 pin female 1 1 MIL Spec 2 4 6 pin female 1 1 Single male 1 2 Single female 1 2 9 pin D sub Dual male 2 3 Dual female 2 3 Momentary switch On off 2 1 Toggle switch on off on 2 1 Rocker switch on off on 1 1 LED Red Green Yellow and Orange LEDs 4 1 Potentiometer 1 turn 10 1 1 Strain relief Small strain relief 1 2 Blank Filler panel Complete the following steps to install the I O panelettes 1 Remove the blank panel before installing any I O panelettes on the rear of the SC 2345 2350 with configurable connectors 2 Place the lower edge of the I O panelette in the groove at the bottom of the enclosure opening 3 Tilt the panelette top back into the enclosure 4 Secure the panelette with either one two or three depending on the type of I O panelette M2 5 x 6 panhead screws that are included with the panelette You can install a blank panelette into any unused panelette opening Connect the lead wires from the panelette to the screw terminals of the SCC modules or to the 42 pin screw terminal block inside the SC 2345 2350 carrier National Instruments Corporation 9 SCC Quick Start Guide Procedure 2 Apply 1 0 Panelette Labels The SC 2345 with Configurable Connectors and the SC 2350 are shipped with a sheet of labels to apply to the I O panelettes as shown in Figure 6 1 I O Panelette 2 Labels
6. 7 J24 4 Screw Terminal Block 8 Power LEDs SCC Quick Start Guide Figure 11 SC 2345 with Configurable Connectors Side Cabled Carrier Diagram Analog Input SCC Modules Analog input sockets are arranged in aligned pairs so that sockets J X 1 and J X 9 form a pair for all X 0 to 7 The SC 2345 routes analog input signals to E Series DAQ device channels AI X and AI X 8 For example if you plug an SCC A10 voltage attenuator module into socket J4 the signal on one channel is routed to AI 3 and the signal on the other channel is routed to AI 11 Refer toni com info and enter rdtntg in the info code field to confirm signal names in the NI DAQ C to NI DAQmx Terminal Names Translation Guide Single Stage Analog Input Conditioning For single stage analog input conditioning plug the SCC module into any socket J1 to J8 and connect the I O signals to it In a single stage analog input SCC configuration you connect your external signal to an SCC module that conditions the signal and passes it to the DAQ device 14 ni com Dual Stage Analog Input Conditioning For dual stage analog input conditioning plug the first stage SCC module into any socket J X 9 and plug the second stage SCC module into the corresponding paired socket J X 1 Connect the input signals to the first stage SCC module and none to the second stage SCC The SC 2345 connects the output signals of the first stage SCC modules to the inputs of the second stage SC
7. Channel DAQ Assistant n LabWindows CVI or Measurement Studio first you must create a task as previously described In the DAQ Assistant click Add Existing DAQmx Global Channels to add global channels to your task You must use MAX to create global channels The DAQ Assistant opens Complete the following steps to create a new global channel 1 Select an I O type such as analog input 2 Select the measurement or generation to perform 3 Choose the sensor to use if applicable for that measurement A dialog box opens for the task you have specified 4 Select the channels to add to the task You can select physical channels from which to create local channels in the task and add global channels to the task If your system is configured with a TEDS compatible sensor click the TEDS Channels tab Select the physical channel s The DAQ Assistant imports the setting from the sensor and uses the information to create the task Click Next National Instruments Corporation 31 SCC Quick Start Guide Type the new global channel name Click Finish Configure measurement specific settings If one or more channels are configured for TEDS some settings loaded from TEDS are not editable Save the channel e Ifyou opened the DAQ Assistant from LabVIEW or LabWindows CVI click OK e Ifyou opened the DAQ Assistant from Measurement Studio select File Save e Ifyou opened the DAQ Assistant from MAX click Save Channel Cl
8. Figure 6 Installing 1 0 Panelette Labels The label sheet has both preprinted labels and blank labels you can customize to your application You can use two labels on single width T O panelettes and three or more labels on wider panelettes SCC Module Installation Considerations SCC modules are required for connecting to the analog inputs or analog outputs of the E Series DAQ device You do not need to use SCC modules to connect to the CTR and PO signals of the DAQ device which are accessible from the SC 2345 carrier Refer to the SC 2345 2350 User Manual for more information Each SCC module has a lengthwise color stripe label on the top as illustrated in Figure 7 that indicates the module type and function classification of the module and displays a corresponding icon 1 SCC Screw Terminal Receptacle 3 SCC Module Name 2 Label Color Stripe Figure 7 SCC Module For more information about SCC module types accompanying icons label color and measurement types refer to Table 2 SCC Quick Start Guide 10 ni com Table 2 SCC Modules Icon Label Color and Measurement Type SCC Module Icon Label Color Measurement Type SCC ACCO1 ACC Blue Analog Input INPUT SCC_AIXX Blue Analog Input o o SCC A10 Blue Analog Input s 10 gt SCC CI20 Qo Blue Analog Input lin Vout SCC FV01 Blue Analog Input 0 100Hz SCC LPXX Blue Analog Input XN
9. Instruments Corporation 29 SCC Quick Start Guide SCC Quick Start Guide Choose the sensor to use if applicable for that measurement Click Next The DAQ Assistant window opens for the task you have specified Select the channels to add to the task If your system is configured with a TEDS compatible sensor click the TEDS Channels tab Select the physical channel s The DAQ Assistant imports the setting from the sensor and creates the task Click Next Type the new task name Click Finish Measuring Voltage Most measurement devices are designed for measuring or reading voltage Two common voltage measurements are DC and AC DC voltages are useful for measuring phenomena that change slowly with time such as temperature pressure or strain AC voltages on the other hand are waveforms that constantly increase decrease and reverse polarity Since most powerlines deliver AC voltage it is common in household lab and industrial devices An example of an AC application is measuring a heartbeat Context Help internal eff Rising pan o E This window displays context sensitive help Move the cursor over a control or indicator for more information about it Figure 23 DAQ Assistant Configure measurement specific settings such as timing triggering and scaling if necessary Save the task e Ifyou opened the DAQ Assistant from LabVIEW or LabWindows CVI click OK e Ifyou opened the DAQ As
10. SCC Quick Start Guide CVI LabVIEW Measurement Studio MXI National Instruments NI ni ccom NI DAQ NI VISA and SCXI are trademarks of National Instruments Corporation Product and company names mentioned herein are trademarks or trade names of their respective companies For patents covering National Instruments products refer to the appropriate location Help Patents in your software the patents txt file on your CD orni com patents 2004 National Instruments Corp All rights reserved 323743A 01 Apr04
11. SCC RTDO1 Blue Analog Input 8 RTD SCC SG Refer to the SCC SG Series Strain Gage Modules User Blue Analog Input Guide SCC TCOX Blue Analog Input x TC SCC FTO1 N A Analog Input Analog IN OUT Output Digital GPCTR SCC DIO1 Green Digital Fe SCC DOO1 Green Digital on 3 National Instruments Corporation 11 SCC Quick Start Guide Table 2 SCC Modules Icon Label Color and Measurement Type Continued SCC Module Icon Label Color Measurement Type SCC RLYO1 3 Green Digital o N O 2 COM NS Ne 1 J SCC CO20 0 20mA Red Analog Output ISO SCC AO10 3 Red Analog Output 2 gt 10V 1 7V ISO The SC 2345 carrier and the SC 2350 carrier each have different functionality and SCC module configurations The following sections cover carrier specific information relative to SCC module installation SC 2345 Carrier Considerations The following section provides information specific to the SC 2345 carrier Quick Reference Label Affix the Quick Reference Label to the inside cover of the SC 2345 This label shown in Figure 8 shows the possible configurations of SCC modules The Quick Reference Label also lists the location of each signal on the SC 2345 carrier modules The numbers on the label correspond to the terminal numbers on the 68 pin E Series connector J1 8 J9 16 Dual Stage Analog Input 2nd Stage Analog Input Socket 1st Stage Analog Input S
12. dialog box The symbol indicates that the following text applies only to a specific product a specific operating system or a specific software version This icon denotes a note which alerts you to important information This icon denotes a caution which advises you of precautions to take to avoid injury data loss or a system crash When this symbol is marked on the product refer to the Read Me First Safety and Radio Frequency Interference document shipped with the product for precautions to take When symbol is marked on a product it denotes a warning advising you to take precautions to avoid electrical shock When symbol is marked on a product it denotes a component that may be hot Touching this component may result in bodily injury Bold text denotes items that you must select or click in the software such as menu items and dialog box options Bold text also denotes parameter names and information on hardware labels Italic text denotes variables emphasis a cross reference or an introduction to a key concept Text in this font is used for the proper names of disk drives paths and directories Italic text in this font denotes text that is a placeholder for a word or value that you must supply Refers to the SCC AI01 SCC AI02 SCC AI03 SCC AI04 SCC AIO05 SCC AI06 SCC AIO7 SCC AI13 and SCC AI14 Refer to the SCC LP01 SCC LP02 SCC LP03 and SCC LP04 Refers to the SCC TCO1 and SCC TC02 Refers to any
13. 0 co Y O 1 i dl le 5 0 5 S O o J24 0 0 J Jen 2 Sls 5 i go PIO 2 Q ao g g EPN EPE 2 a gt oO PHL PEREN a 2 PEREI gga g f D os gogelacgal s z ES o gafon SA Q y EN kaa oaae 88 38 exis O ERCIS EREI re Pien Fou LEI E amp bga rjo o 4 Us T_T I T_T IT on of oes ACH 6 14 ACH 7 15 DAC 0 DAC 1 ote ANALOG ouTPUT a 1 Connector J24 2 Power LEDs 3 SC 2345 Carrier Figure 2 Connector J24 Location The chassis ground terminal on the SC 2345 2350 carrier and the electromagnetic interference EMI gasket attached to the strain relief of the SC 2345 connector block are for grounding a floating source 1 mA maximum Do not use these terminals as safety earth grounds For more information about the SC 2345 2350 carrier refer to the SC 2345 2350 User Manual Figure 3 shows the SC 2345 carrier with the signal wires connected Figures 4 and 5 show the two types of cabling on the SC 2345 with configurable connectors 6 ni com Screw Terminals SCC Modules Cover Screws 68 Pin Shielded Cable Quick Reference Label 9 Top Strain Relief Bar SCC PWRXX 10 Top Strain Relief Screws SCC Connector Block Socket Screw Terminal Block AUN ONOW Figure 3 SC 2345 Carrier Installation Diagram 1 68 Pin Shielded Cable 5 BNC Panelette 9 Screw Terminal Block 2 Strain Relief Panelette 6 Power LEDs 10 Top Cover 3 SCC Modules 7 SCC PWRXX 11 Cover Screws 4 SC
14. 3 Note Configuring the SCC system using MAX automatically sets the E Series DAQ device analog input mode to NRSE Step 9 Configure the SCC Modules Complete the following steps to configure the SCC modules in NI DAQmx 1 Specify the SCC Carrier Type The location of the SCC sockets change depending on the SCC carrier type Select the DAQ Device that is connected to the SC 2345 2350 carrier Type the SCC Connector Block ID The default value is SCC1 SCC Quick Start Guide 24 ni com In the J21 drop down list next to Power select the correct SC 2345 2350 power configuration The SC 2345 2350 shielded carrier has one of the following power modules factory installed in socket J21 e SCC PWRO1 5 VDC from the E Series DAQ device or an external supply e SCC PWR02 Universal AC external supply e SCC PWR03 7 to 42 VDC external supply module power supply not included For more information about how to select the power option for the SCC 2345 2350 carrier module refer to the SC 2345 2350 User Manual For each SCC module physically installed in the SC 2345 2350 carrier add a corresponding entry in the SC 2345 2350 configuration window To add the SCC click the Socket drop down list and select the correct module If the module name does not appear in the list either the module is not allowed in that location or you do not have the current version of NI DAQ If you do not have the current version of NI DAQ download i
15. 50 Connecting TEDS Sensors eee eee eeeeeseeeeeeteeeeeees 20 Connecting Digital Signals Optional eee eeeeeeeeeeeeees 21 Step 7 Launch Measurement amp Automation Explorer MAX 22 Step 8 Configure the SC 2345 2350 oo eis eeeeceseeseeeseteeeeseeseeeseeseees 22 Step 9 Configure the SCC Modules eee eeeeeesecseceeeeeeeeeeeeeeees 24 SC 2350 Configure TEDS 000 ec ceeeseceecesecseeeaeeseseeeeseeeaeeneeess 25 Step 10 Configure Channels and Tasks 000 eee eeeeeeeeeeeeetseeeeees 26 Configure a Taskers nn aiet verte aise i raed 27 Configure Global Channels in NI DAQMX wu eee eeeees 31 Step 11 Program Your Task cece ceeeseesecseceseeeseeseceseeaesseeeaesseeeaees 32 Getting Started Developing an Application 0 0 0 eee eeeeeeeeeeeeeees 33 Using Examples csiccisseisci acts ciiseissteass A eee ete ieee 33 Information about Measurement Applications and Devices 33 Worldwide Technical Support cece cece eseeeseceeceeeeeeeeseeeeeeees 35 We NATIONAL p INSTRUMENTS Conventions gt e p bold italic monospace monospace italic SCC AIXX SCC LPXX SCC TCOX SCC XX SCC SGXX SCC Quick Start Guide The following conventions are used in this manual The symbol leads you through nested menu items and dialog box options to a final action The sequence File Page Setup Options directs you to pull down the File menu select the Page Setup item and select Options from the last
16. C Connector Block Socket 8 Screw Terminals Figure 4 SC 2345 with Configurable Connectors Rear Cabled Installation Diagram National Instruments Corporation 7 SCC Quick Start Guide RON Cover Screws 5 Strain Relief Panelette 9 SCC PWRXX Top Cover 6 Screw Terminal Block 10 BNC Panelette Screw Terminals 7 68 Pin Shielded Cable 11 SCC Connector Block Socket SCC Modules 8 Power LEDs Figure 5 SC 2345 with Configurable Connectors Side Cabled Installation Diagram Step 4 Set Up the SC 2345 SC 2350 Carrier The following section describes functionality common to both the SC 2345 and the SC 2350 carriers Procedure 1 Install the Connectors and Panelettes If you have selected an SC carrier with configurable connectors install the connector and interface panelettes Some panelettes occupy more than one panelette slot Table 1 lists the panelette specifications Table 1 Panelette Options Connectors Units Panelette Description per Panelette Slot Width J or K type 2 1 Minithermocouple jack Uncompensated 2 1 J or K type 1 1 Thermocouple jack Uncompensated 1 1 BNC BNC connector 2 1 SCC Quick Start Guide 8 ni com Table 1 Panelette Options Continued Connectors Units Panelette Description per Panelette Slot Width SMB SMB connector 4 1 Banana jack Banana jack 2 1 2 pin female 2 1 LEMO B Series
17. C modules and routes the outputs of the second stage modules to E Series DAQ device channels AI X and AI X 8 An example of dual stage conditioning is a voltage attenuator SCC module followed by a lowpass filter SCC module Figure 12 shows how to install analog input modules on the SC 2345 carrier Sometimes you can cascade two analog input SCC modules together on a single analog input channel to form a dual stage configuration The first stage of a dual stage analog input configuration can be in sockets J9 J16 The second stage of a dual stage analog input configuration can be in sockets J1 J8 A Single Stage Analog Input 2 Analog SCC Plugged into J1 6 Second Stage B Dual Stage Analog Input 3 SC 2345 Carrier 7 Do Not Connect Any Signals to 1 J9 Connector Block SCC 4 Analog SCC Plugged into J9 the Second Stage SCC Module Not Installed 5 First Stage Figure 12 Single and Dual Stage Analog Input SCC Configuration for SC 2345 Connector Block Socket Table 3 shows all the analog input SCC modules that can be configured on the SC 2345 carrier and whether the modules support single stage dual stage or both configurations National Instruments Corporation 15 SCC Quick Start Guide Table 3 SCC Modules and Dual Stage Compatibility Single Stage Analog First Stage of Dual Stage Second Stage of Dual Stage SCC Modules Input J1 J8 Analog Input J9 J16 Analog
18. Input J1 J8 SCC AIXX Yes Yes No SCC A10 Yes Yes No SCC RTDO1 Yes Yes No SCC CI20 Yes Yes No SCC ACCO1 Yes Yes No SCC TCOX Yes Yes No SCC FV01 Yes No Yes SCC LPXX Yes Yes Yes SCC FTO1 Yes Yes Yes SCC SGXX Yes Yes No Digital SCC Modules Sockets J9 to J16 work for digital SCC modules as well as for analog inputs Plug a digital SCC module into any socket J X 9 where X is 0 to 7 and connect the PO signal to the module The SC 2345 routes the PO signal to E Series DAQ device channel PO X Figure 13 illustrates a digital module with an analog input module 1 SC 2345 Carrier 3 Digital SCC Plugged into J9 2 Input Signals 4 Analog SCC Plugged into J1 Figure 13 Single Stage Analog Input and DIO SCC Configuration for SC 2345 Connector Block Socket SCC Quick Start Guide 16 ni com Analog Output SCC Modules You can plug analog output SCC modules into the SC 2345 using sockets J17 and J18 Each socket connects to both analog output channels of the E Series DAQ device although each is identified on the SC 2345 as being for either channel 0 or channel 1 These designations indicate the primary analog output channel each socket uses Analog output channel 0 is the primary channel for socket J17 Analog output channel 1 is the primary channel for socket J18 GPCTR SCC Modules You can build GPCTR circuitry onto the SCC FTO1 feedthrough module Plug the custom GPCTR SCC module into socket J19 or J20 of the SC 2345 S
19. SCC module Refers to the SCC SG01 SCC SG02 SCC SG03 SCC SG04 and SCC SG24 2 ni com Measurement System Overview Figure 1 depicts the measurement system overview showing the path of real world physical phenomena to your measurement application Your Measurement Application Application Software LabVIEW LabWindows CVI Measurement Studio or other programming environments Application Programming Interface API Configuration NI DAQm x Traditional NI DAQ NI SWITCH or other API Measurement amp Automation Explorer MAX Driver Engines NI DAQm x Traditional NI DAQ NI VISA Data Acquisition and Modular Instrumentation PXI PCMCIA PXI SCXI Combination SCXI scc Sensors and Transducers SHY GIS Real World Signals and Physical Phenomena Figure 1 Measurement System Overview Sensors and transducers detect physical phenomena Signal conditioning components condition physical phenomena so that the measurement device can receive the data The computer receives the data through the measurement device Software controls the measurement system telling the measurement device when and from which channels to acquire or generate data Software also takes the raw data analyzes it and presents it in a form you can understand such as a graph chart or file for a report National Instruments Corporation 3 SCC Quick Start Guide NI measurement devices and application softw
20. are are packaged with NI DAQ driver software to program all the features of your NI measurement device such as configuring acquiring and generating data from and sending data to NI measurement devices Using NI DAQ saves you from having to write these programs yourself Application software such as LabVIEW LabWindows CVI and Measurement Studio sends commands to the driver such as acquire and return a thermocouple reading and then displays and analyzes the data acquired You can use the NI DAQ driver from NI application software or from any programming environment that supports calling dynamic link libraries DLLs through ANSI C interfaces Regardless of the programming environment your DAQ application uses NI DAQ as shown in Figure 1 If you have not installed configured and tested your DAQ device and NI DAQ software according to the instructions in the DAQ Quick Start Guide do so now Step 1 Unpack the Carrier and Modules The SCC modules are shipped in an antistatic package to prevent electrostatic damage ESD to the modules ESD can damage several components on the modules UN Caution Never touch the exposed pins of connectors SCC Quick Start Guide To avoid such damage in handling the modules take the following precautions e Ground yourself using a grounding strap or by touching a grounded object e Touch the antistatic package to a metal part of the computer chassis before removing the modules from th
21. configure virtual channels as part of a task or separate from a task Virtual channels created inside a task are local channels Virtual channels defined outside a task are global channels You can create global channels in MAX or in your application software and then save them in MAX You can use global channels in any application or add them to a number of different tasks If you modify a global channel the change affects all tasks in which you reference that global channel In most cases it is simpler to use local channels 26 ni com Configure a Task When using NI DAQmx configure tasks with the DAQ Assistant You must have version 7 0 or later 7 2 for the SC 2350 of an NI application software package to create tasks and channels with the DAQ Assistant e In MAX right click Data Neighborhood and select Create New In the Create New window select NI DAQm x Task and click Next If you are using a remote system running LabVIEW Real Time expand Remote Systems find and expand your target then right click Data Neighborhood and select Create New e You also can open the DAQ Assistant directly within NI application software n LabVIEW and LabVIEW Real Time there are several ways to open the DAQ Assistant Place the DAQ Assistant Express VI from the Express Input palette on the block diagram as described in Getting Started with LabVIEW You also can place the DAQmx Task Name control on the front panel to open the DAQ Assi
22. e packages Remove the modules from the package and inspect the modules for loose components or any sign of damage Notify NI if the modules appear damaged in any way Do not install damaged modules into the carrier Store the SCC modules in the antistatic envelope when not in use For safety and compliance information refer to the device documentation packaged with your device or on the NI DAQ 7 x Device Documentation CD in the NI DAQ software kit or at ni com support After you install the Device Document Browser device documents are accessible from Start Programs National Instruments NI DAQ Browse Device Documentation 4 ni com Step 2 Verify the Components Make sure you have the following SCC system components OF O 1 SCC Module 3 SCC Carrier 5 DAQ Device 2 Power Module 4 Shielded Cable 6 Personal Computer In addition you need the following items Q Hardware and Documentation 68 pin E Series DAQ device and documentation 68 pin cable SC 2345 2350 carrier and SC 2345 2350 User Manual One or more SCC modules and user guide Q Software and Documentation NI DAQ 7 2 or later software and documentation One of the following software packages for development e LabVIEW e LabWindows CVI e Visual C e Visual Basic Q Other Tools 1 8 in flathead screwdriver Numbers 1 and 2 Phillips screwdrivers Wire insulation strippers To install NI DAQmx
23. el SCC Quick Start Guide This document explains how to install configure and set up National Instruments SCC modules This document assumes you have already installed configured and tested the data acquisition DAQ device you will connect to the SC 2345 2350 carrier If you have not done so follow the instructions in the DAQ Quick Start Guide included with the DAQ device before continuing Sy Note This document describes how to use SCC modules with only NI DAQmx Contents COMVENMONS seus eetecl E EEE E ET 2 Measurement System Overview ssesesssesseesssesresesrrsresrsresreresresreresreeeses 3 Step 1 Unpack the Carrier and Modules 00 0 0 eee eee cece eeeeeneteeeeees 4 Step 2 Verify the Components cece eeeeeeeseeeeeeseceeeeseseeeeaeseeeaees 5 Step 3 Cable the SC 2345 2350 Carrier to the E Series DAO De ViCe EE E melee 6 Step 4 Set Up the SC 2345 SC 2350 Carrier ce eieeeeeeseeeeeseeeees 8 Procedure 1 Install the Connectors and Panelettes 0 00 0 8 Procedure 2 Apply I O Panelette Labels 20 0 eeeeeeseereees 10 SCC Module Installation Considerations eee eee eeeeeseeeeeereeneees 10 SC 2345 Carrier Considerations 00 0 eee eseeeeseceeeeseceseeeenseestenes 12 SC 2350 Carrier Considerations 0 eee eeeeseceeeeseceeeeseenseestenes 17 Step 5 Install the Modules eee cece eseeseeeneeeeeeaeeseeeaesseeeaesseeeaees 19 Step 6 Connect the Signals eee eee ese cseeeseeseeesecseeesesseeeaeseeeees 19 SC 23
24. eries DAQ device user manual for more information about this connector National Instruments Corporation 21 SCC Quick Start Guide Figure 18 shows the locations of the digital signals on the terminal block A B Cc NC NC NC NC DGND 35 AI SENSE 62 FREQ OUT 14 DGND 4 EXT STROBE 45 CTROOUT 2 DGND 36 CTR1 OUT 40 PFI 8 CTRO SRC 37 DGND 39 PFI9 CTRO GATE 3 PFI 6 AO START 5 DGND 7 PFI 7 Al SAMP 38 PFI 4 CTR1 GATE 41 DGND 9 PFI 5 AO SAMP 6 PFI 2 Al CONV 43 DGND 44 PFI 3 CTR 1 SRC 42 PFI 0 AI START 11 DGND 12 PFI 1 REF TRIG 10 5V 14 DGND 13 Al HOLD COMP 46 P0 6 16 DGND 15 PO 7 48 P0 4 19 D GND 50 P0 5 51 P0 2 49 DGND 18 P0 3 47 P0 0 52 DGND 53 PO 1 17 Figure 18 Terminal Block I O Connector Pin Assignments SC 2345 connector block The following does not apply to the SC 2345 with configurable connectors or to the SC 2350 A metallized nylon knit EMI gasket is attached to the strain relief bars of the SC 2345 connector block Using shielded cables to connect the signals allows you to ground the shielded signal cables Stripping the insulation away from the shield of the cables forms a chassis ground connection at the strain relief bar To avoid adding noise to the signal ground the cable shield only at one end For complete si
25. es e In LabWindows CVI select Help NI Example Finder Measurement Studio Visual Basic and ANSI C examples are located as follows e NI DAQmx examples for Measurement Studio supported languages are in the following directories Measurement Studio VCNET Examples DAQmx Measurement Studio DotNET Examples DAQmx e Traditional NI DAQ examples for Visual Basic are in the following directories NI DAQ Examples Visual Basic with Measurement Studio directory contains a link to the ActiveX control examples for use with Measurement Studio NI DAQ Examples VBasic directory contains the examples not associated with Measurement Studio e NI DAQmx examples for ANSI C are in the NI DAQ Examples DAQmx ANSI C directory e Traditional NI DAQ examples for ANSI C are in the NI DAQ Examples Visualc directory For hundreds of additional examples refer to ni com zone Information about Measurement Applications and Devices You can find information about your measurement applications and devices in the following locations e LabVIEW Ifyou are a new user complete Getting Started with LabVIEW to get acquainted with LabVIEW Select Start Programs National Instruments Lab VIEW Search the LabVIEW Bookshelf National Instruments Corporation 33 SCC Quick Start Guide The LabVIEW Measurements Manual contains API overviews of Traditional NI DAQ and NI DAQmx and describes measurement concep
26. gnal connection information refer to the SCC XX module user guide For more information about using the SC 2345 refer to the SC 2345 2350 User Manual Step 7 Launch Measurement amp Automation Explorer MAX Double click the Measurement amp Automation icon on the desktop to w open MAX Measurement amp Automation Step 8 Configure the SC 2345 2350 You can use the SC 2350 only in NI DAQmx you can use the SC 2345 in either NI DAQm x or Traditional NI DAQ 1 Open Devices and Interfaces If your device does not automatically appear press lt F5 gt to refresh the view in MAX If the device is still not recognized refer to ni com support instal1 for troubleshooting information SCC Quick Start Guide 22 ni com 2 Right click Devices and Interfaces and select Create New QS Devices and Interfaces Measurement amp Autoni Configuration 1 PXI System 0 Unidentified Figure 19 Create New in Devices and Interfaces 3 Select either the SC 2345 or SC 2350 from the Create New window 4 Select the carrier under NI DAQmx Device NI DAQmx SCC Connector Block The configuration window opens as shown in Figures 20 and 21 SCC Connector Block Configuration PCI 6034E Devi x SCC PWROZ Figure 20 SC 2345 Connector Block Configuration Window National Instruments Corporation 23 SCC Quick Start Guide SC 2350 Configuration Figure 21 SC 2350 Configuration Window
27. ick Test Verify your data in the window that opens If the data is incorrect verify the TEDS information and the settings in the DAQ Assistant window You now can use the global channel in an application or add the global channel to a task Refer to the DAQ Assistant Help or application software documentation for more information about using a channel or generating code Step 11 Program Your Task Complete the following steps to use a measurement task in LabVIEW 1 2 3 4 5 Open LabVIEW and select a blank VI Place the following constant on the block diagram NI Measurement DAQmx DataAcquisition DAQmx Task Name Constant Select your task from the pull down menu Right click the VI Select Generate Code Example Run the program from the front panel Refer to the DAQ Assistant Help or application software documentation for more information about using a channel or generating code for LabWindows CVI or Measurement Studio SCC Quick Start Guide 32 ni com Getting Started Developing an Application Using Examples Each API includes a collection of programming examples to help you get started developing an application You can modify example code and save it in an application You can use examples to develop a new application or add example code to an existing application To locate LabVIEW and LabWindows CVI examples open the National Instruments Example Finder e In LabVIEW select Help Find Exampl
28. ignals Refer to Figure 16 when completing the following steps 1 Connect the DATA signal to the DATA screw terminal on the TEDS screw terminal Connect the RETURN signal to the RETURN screw terminal on the TEDS screw terminal O a _ 10 0 4 DATA 2 10 RETURN 2 10 DATA 2 2 DATA 10 3 RETURN 10 4 RETURN 2 Figure 16 TEDS DATA and RETURN Connections 20 ni com Figure 17 shows the SC 2350 carrier with the SCC modules installed 1 Cover Screws 7 SCC Modules Analog Input 2 Screw Terminal Block 8 Connector Block Sockets 3 TEDS Screw Terminal 9 TEDS Screw Terminal RETURN Screw Terminal 4 SCC Module Analog Output 10 TEDS Screw Terminal DATA Screw Terminal 5 SCC PWRXX 11 Strain Relief Panelette 6 D Sub Panelette Figure 17 SC 2350 Carrier Installation Diagram Connecting Digital Signals Optional The SC 2345 2350 has a 42 position triple row screw terminal block for connecting to E Series DAQ device digital signals The terminal block can connect to P0 lt 0 7 gt 5 V D GND PFI lt 0 9 gt CTR lt 0 1 gt GATE CTR lt 0 1 gt OUT CTR lt 0 1 gt SOURCE AI SENSE FREQ OUT EXTSTROBE and AI HOLD COMP The SC 2345 Quick Reference Label identifies the location of each signal on the terminal rows A to C The terminal label numbers correspond to the pin number location of each signal on the 68 pin E Series connector Refer to the E S
29. l Output Use default SCC RTDO1 Analog Input Temperature RTD Current Excitation Value 1 mA Excitation Source Internal RTD Type Ro Resistance Configuration SCC SG01 Analog Input Strain Gage Strain Configuration Quarter Bridge I Gage Resistance 120 Q Gage Factor SCC SG02 Analog Input Strain Gage Strain Configuration Quarter Bridge I Gage Resistance 350 Q Gage Factor SCC SG03 Analog Input Strain Gage Strain Configuration Half Bridge I Gage Resistance Gage Factor Poisson Ratio SCC SG04 Analog Input Strain Gage Strain Configuration Full Bridge I Gage Resistance Gage Factor Analog Input Custom Voltage Max Min 100 mV with Excitation Bridge Type Full Bridge Excitation Source Internal Excitation Value 2 5 V SCC SG24 Analog Input Strain Gage Strain Configuration Full Bridge I Excitation Value 10 V Gage Resistance Gage Factor Analog Input Custom Voltage Max Min 100 mV with Excitation Bridge Type Full Bridge Excitation Source Internal Excitation Value 10 V SCC SGI1 Digital Output Use default SCC TCO1 Analog Input Temperature CJC Source Built In Thermocouple Thermocouple Type SCC TC02 Analog Input Temperature CJC Source Built In Thermocouple Thermocouple Type 1 Use default value for parameters not specified in the table Based upon sensor specification National
30. l of the devices connected to the module Refer to ni com info and enter rdtntg in the info code field to confirm signal names in the NI DAQ C to NI DAQmx Terminal Names Translation Guide To connect the panelette wires to the SCC module screw terminals and the screw terminal block in the SC 2345 2350 carrier modules that use panelettes complete the following steps 1 Remove power from the signal lines 2 Strip 7 mm 0 25 in of insulation from the ends of the signal wires 3 Insert the wires into the screw terminals The SCC XX module has a fixed screw terminal receptacle and a removable screw terminal block as shown in Figure 15 National Instruments Corporation 19 SCC Quick Start Guide SCC Quick Start Guide SCC Screw Terminal Receptacle 2 Removable Screw Terminal Block Figure 15 SCC XX Two Part Screw Terminal System Tighten the screws to 0 5 to 0 6 N m 4 4 to 5 3 lb in of torque Reinstall the strain relief bar if necessary and tighten the strain relief screws Close or replace the top cover Reinsert and tighten the cover screws to ensure proper shielding For complete signal connection information refer to the SCC XX module user guide For more information about using the SC 2345 refer to the SC 2345 2350 User Manual SC 2350 Connecting TEDS Sensors If you are using an IEEE P1451 4 TEDS compatible smart sensor complete the following steps to connect the TEDS DATA and RETURN s
31. nclude the following Self Help Resources For immediate answers and solutions visit our award winning Web site for software drivers and updates product manuals a searchable KnowledgeBase step by step troubleshooting wizards over 3 000 example programs and much more Free Technical Support All registered users receive free Basic Service which includes access to over 300 Applications Engineers worldwide in our NI Developer Exchange at ni com exchange Our experts ensure every question is answered e Training Visit ni com training for self paced tutorials and interactive CDs or to register for instructor led hands on courses Declaration of Conformity DoC A DoC is our claim of compliance with the Council of the European Communities using the manufacturer s declaration of conformity which gives the user protection for electronic compatibility EMC and product safety Obtain the DoC for your product by visiting ni com hardref nsf e Calibration Certificate If your product supports calibration you can obtain the calibration certificate at ni com calibration National Instruments corporate headquarters is located at 11500 North Mopac Expressway Austin Texas 78759 3504 Visit the Worldwide Offices section at ni com niglobal to access the branch office Web sites which provide up to date contact information support phone numbers email addresses and current events National Instruments Corporation 35
32. ocket Single Stage Analog Input and or Digital I O J1 8 J9 16 g Analog Input Single Stage Socket Optional ZA Hs A Digital 1 0 Socket Optional Analog Output and or GPCTR nas J19 20 Analog Output Socket Optional General Purpose Counter Timer Socket Optional Analog Output is not available on Al E Series boards Legend J Blue Green BA Red B Yellow SCC Quick Start Guide Figure 8 SCC Module Configurations by Socket Function Classification and Color Code 12 ni com SC 2345 Carrier Diagrams Figures 9 10 and 11 show diagrams of the three types of SC 2345 carriers ol o ova andano Botey 1 ow dan Boeng LEH 76 0H 178 CH 2710 CH Sil CH 47I2 CH 5 13 CH G M CH 7 Bjo CHO CHT j 2 ANALOG INPUTQ ANALOG OUTPUT a on co ur H078 CHI CH 2710 CH azii CH Agi CH 5 13 CH 6 l4 CH 7 15 CHO HT ANALOG INPU J GPCTR
33. ocket J19 connects to E Series GPCTR channel 0 Socket J20 connects to E Series GPCTR channel 1 SC 2350 Carrier Considerations The SC 2350 has integrated software support for Transducer Electronic Data Sheet TEDS sensors For more information about using TEDS with SCC modules refer to the SC 2345 2350 User Manual The SC 2350 carrier has 16 channels of analog input sockets J1 to J8 in one row of eight sockets You can use any analog input SCC module in a single stage analog input configuration In addition it contains two analog output sockets J17 and J18 for outputting up to two channels of data with the appropriate SCC modules inserted The SC 2350 does not support dual stage configuration or digital signals Therefore you cannot use all SCC modules with the SC 2350 carrier For information about the SC 2350 carrier and SCC module compatibility refer to Table 4 Table 4 SC 2350 Carrier and SCC Module Compatibility SCC Module Plugs into the SC 2350 Carrier SCC ACCO1 Yes SCC AIXX Yes SCC A10 Yes SCC CI20 Yes SCC FV01 Yes SCC LPXX Yes SCC RTDOI Yes SCC SGXX Yes National Instruments Corporation 17 SCC Quick Start Guide Table 4 SC 2350 Carrier and SCC Module Compatibility Continued SCC Module Plugs into the SC 2350 Carrier SCC TCOX Yes SCC FTOI Yes SCC DIO1 No SCC DOO1 No SCC RLYO1 No SCC CO20 Yes SCC AO10 Yes SC 2350 Carrier Diagram
34. refer to the DAQ Quick Start Guide which is available for download at ni com manuals To install the SC 2345 2350 carrier refer to the SC 2345 2350 User Manual National Instruments Corporation 5 SCC Quick Start Guide Step 3 Cable the SC 2345 2350 Carrier to the E Series DAQ Device UN Caution Refer to the Read Me First Safety and Radio Frequency Interference document before removing equipment covers or connecting disconnecting any signal wires SCC Quick Start Guide The E Series DAQ device should already be installed in your computer Refer to the E Series DAQ device user manual for installation instructions Connect the SC 2345 2350 carrier to the E Series DAQ device with a 68 pin shielded cable Use connector J24 on the SC 2345 2350 carrier Refer to Figure 2 for the location of connector J24 r GPCTR _ DIO6 DIO ACH 6 14 ACH 7 1 CH O CH 1 10 ja fis Sig 1 I IE IGI 2 ae g Ti O i esesjosgd 83 83 PEENI DEET Bo g a a Ba E oOo 2 racdoaas eq Egle CER EA EPEE B JE P g eesglaaed iia gia BE aslo os E88 E56 Be 38 Slay od ts ayslayes 82 139 385 A 34 od g amp ORE ma wore ol ga w age a 2 5 5 0
35. sc 230 O 2 2 8 gt ATS wo Aor ANALOG OUTPUT 1 SCC Socket Reference Designator 5 Serial Number 9 Power LEDs 2 SCC Socket 6 Assembly Number 10 J25 3 SCC Key Slot 7 Screw Terminal Block 11 J21 4 50 Pin Test Header 8 J24 Figure 14 SC 2350 Carrier with TEDS SCC Quick Start Guide 18 ni com Step 5 Install the Modules When properly oriented SCC modules plug easily onto the connector block socket Never force an SCC module onto the socket To install the SCC modules on the connector block sockets of the SC 2345 2350 carrier complete the following steps 1 Remove the cover screws on either side of the top cover with a Number Phillips screwdriver Open or remove the top cover 2 If your carrier is equipped with a strain relief module loosen the strain relief screws with a Number 2 Phillips screwdriver and slide the signal wires through the strain relief opening If you are connecting multiple signals you may need to remove the top strain relief bar 3 Plug the SCC modules onto the appropriate connector block sockets Refer to the Device Specific Information section of the SCC XX module user guides for the specific socket requirements of the SCC modules Step 6 Connect the Signals UN Caution Always refer to the specifications in your SCC XX module user guide before connecting signals Exceeding specified module ratings can create a shock or fire hazard and damage any or al
36. sistant from Measurement Studio select File Save e Ifyou opened the DAQ Assistant from MAX click Save Task Click Test Verify your data in the window that opens If the data is incorrect verify the TEDS information and the settings in the DAQ Assistant window 30 ni com B Note Currently you cannot use the DAQ Assistant to create a task that contains more than one measurement type such as voltage and temperature channels You must do it programmatically Refer to ni com support and search on More Than One Measurement Type in a Task for instructions You now can use the task in an application Refer to the DAQ Assistant Help for more information about using a task or generating code in your programming environment Configure Global Channels in NI DAQmx When using NI DAQmx configure global channels with the DAQ Assistant e In MAX right click Data Neighborhood and select Create New If you are using a remote system running LabVIEW Real Time expand Remote Systems find and expand your target then right click Data Neighborhood and select Create New In the Create New window select NI DAQmx Global Channel and click Next e You also can open the DAQ Assistant directly within version 7 x or later of LabVIEW LabWindows CVI or Measurement Studio or LabVIEW Real Time version 7 1 In LabVIEW and LabVIEW Real Time use the DAQmx Global Channel control to open the DAQ Assistant Right click the control and select New
37. stant Right click the control and select New Task DAQ Assistant Taking an NI DAQmx Measurement in LabVIEW has step by step instructions for creating a task from the DAQmx Task Name control and generating code based on the task In LabVIEW select Help Taking an NI DAQmx Measurement In LabWindows CVI select Tools Create Edit DAQmx Tasks In Measurement Studio open Visual Studio NET and the project in which you want to create a DAQmx task class iB National Instruments Corporation Select Project Add New Item The Add New Item dialog box opens In the Categories pane select Measurement Studio Assistants In the Templates pane select DAQmx Task Class Specify a name for the DAQmx task file and click Open Specify whether to create a new task or a project copy of a global task you create in MAX Click Finish 27 SCC Quick Start Guide The DAQ Assistant opens Complete the following steps to create a new task 1 Select I O type such as analog input 2 Select the appropriate measurement type based on the hardware functionality of your module Table 5 lists the measurement types in NI DAQm x and how they correspond to the SCC modules For additional information about SCC XX module specific channel task settings refer to the individual SCC XX module user guide Table 5 SCC Module and Corresponding NI DAQmx Measurement Type
38. t from ni com downloads Click OK after completing all SCC entries to complete the configuration process For more information refer to the SC 2345 2350 User Manual SC 2350 Configure TEDS If you are using a TEDS sensor complete the following steps to configure the TEDS sensor in MAX l 2 National Instruments Corporation If MAX is not already open double click the MAX icon Under NI DAQmx Devices right click SC 2350 and select Properties The SC 2350 Configuration window opens Leave the DAQ Device and the SCC Connector Block ID as the defaults Select the SCC module from the appropriate drop down list Jx The LED to the right of your module should appear bright green if your sensor is connected If the LED is not bright green connect your sensor now and click Scan for TEDS Click OK Expand the SC 2350 and the module connected to the TEDS sensor Click the TEDS sensor and the TEDS sensor s specifications appear in the right pane of the window Verify that your TEDS data has imported correctly If your data has not imported correctly repeat steps 2 through 7 25 SCC Quick Start Guide Step 10 Configure Channels and Tasks This step applies only if you are programming your device using NI DAQ or NI application software A physical channel is a terminal or pin at which you can measure or generate an analog or digital signal A virtual channel is a collection of settings that include a name a ph
39. ts Select Start Programs National Instruments Lab VIEW Search the LabVIEW Bookshelf Taking an NI DAQmx Measurement in LabVIEW has step by step instructions on how to set up a measurement in LabVIEW and describes key new NI DAQmx features and concepts such as the DAQ Assistant and tasks In LabVIEW select Help Taking an NI DAQmx Measurement The LabVIEW Traditional NI DAQ VI Reference Help and the LabVIEW NI DAQmx VI Reference Help describe the LabVIEW VIs and properties In LabVIEW select Help LabVIEW Help and the VI reference help section for the NI DAQ API you are using e LabVIEW Real Time Select Start Programs National Instruments LabVIEW RT Search the Real Time Module Bookshelf for links to the LabVIEW Real Time documents e LabWindows CVI The Data Acquisition Library book of the main LabWindows CVI Help contains API overviews measurement concepts and function references for Traditional NI DAQ and NI DAQmx In LabWindows CVI select Help Contents e Measurement Studio The NI Measurement Studio Help contains the NI DAQmx API overview measurement tasks and concepts and function reference This help file is integrated into the Visual Studio NET documentation In Visual Studio NET select Help Contents The Measurement Studio Reference contains the Traditional NI DAQ API overview measurement concepts and function reference In Visual Studio NET select Measurement Studio Measurement Studio Reference
40. ysical channel input terminal connections the type of measurement or generation and scaling information In NI DAQmx virtual channels are integral to every measurement In Traditional NI DAQ configuring virtual channels is an optional way to record which channels are being used for different measurements Figure 22 depicts how to configure channels in NI DAQmx and Traditional NI DAQ If you are using a TEDS sensor you can use only NI DAQmx Configure channels and tasks Traditional Use the DAQ Assistant accessible from MAX for Traditional NI DAQ Use MAX to configure channels Refer to Measurement amp Automation Explorer Help NI DAQmx or NI application software to configure channels and measurement tasks Refer to the DAQ Assistant Help and Measurement amp Automation Explorer Help for NI DAQmx NI DAQ What API are you using to program each device C You have installed and configured your devices SCC Quick Start Guide Figure 22 Configuring Channels and Tasks in NI DAQmx and Traditional NI DAQ A task an important new concept for NI DAQmx is a collection of one or more virtual channels with timing triggering and other properties Conceptually a task represents a measurement or generation you want to perform You can set up and save all of the configuration information in a task and use the task in an application In NI DAQmx you can
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