SCB-68 Connector Block

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Unformatted text preview: .......................................5-20 Adding Components........................................................................................5-20 Single-Ended Input Attenuators........................................................5-20 Differential Input Attenuators ...........................................................5-21 Analog Output and Digital Input Attenuators...................................5-22 Special Considerations for Analog Input ........................................................5-22 Special Considerations for Analog Output......................................................5-23 Special Considerations for Digital Inputs........................................................5-24 Appendix A Specifications Appendix B Quick Reference Labels Appendix C Fuse and Power Appendix D SCB-68 Circuit Diagrams Appendix E Soldering and Desoldering on the SCB-68 Appendix F Technical Support and Professional Services Glossary Index National Instruments Corporation ix SCB-68 Shielded Connector Block User Manual About This Manual This manual describes the SCB-68 and explains how to use the connector block with National Instruments data acquisition (DAQ) devices. Conventions The following conventions appear in this manual: <> Angle brackets that contain numbers separated by an ellipsis represent a range of values associated with a bit or signal name--for example, DIO<3..0>. The symbol leads you through nested menu items and dialog box options to a final action. The sequence FilePage SetupOptions directs you to pull down the File menu, select the Page Setup item, and select Options from the last dialog box. 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 device, refer to the Safety Information of Chapter 1, Introduction, for precautions to take. bold Bold text denotes items that you must select or click on in the software, such as menu items and dialog box options. Bold text also denotes parameter names. Italic text denotes variables, emphasis, a cross reference, or an introduction to a key concept. This font also denotes text that is a placeholder for a word or value that you must supply. Text in this font denotes text or characters that you should enter from the keyboard, sections of code, programming examples, and syntax examples. This font is also used for the proper names of disk drives, paths, directories, programs, subprograms, subroutines, device names, functions, operations, variables, filenames and extensions, and code excerpts. italic monospace National Instruments Corporation xi SCB-68 Shielded Connector Block User Manual About This Manual NI Documentation For more information about using the SCB-68 with DAQ devices, refer to the following resources: DAQ device user manuals, at ni.com/manuals NI Developer Zone, at ni.com/zone SCB-68 Shielded Connector Block User Manual xii ni.com Introduction 1 The SCB-68 is a shielded I/O connector block with 68 screw terminals for easy signal connection to a National Instruments 68- or 100-pin DAQ device. The SCB-68 features a general breadboard area for custom circuitry and sockets for interchanging electrical components. These sockets or component pads allow RC filtering, 4 to 20 mA current sensing, open thermocouple detection, and voltage attenuation. The open component pads allow signal conditioning to be easily added to the analog input (AI) signals and to the DAC0OUT, DAC1OUT, and PFI0/TRIG1 signals of a 68-pin or 100-pin DAQ device. What You Need to Get Started To set up and use the SCB-68, you need the following items: SCB-68 68-pin shielded connector block One of the devices listed in Table 1-1 One of the device-compatible cables listed in Table 1-1 The device user manual or user guide, which you can access at ni.com/manuals Phillips number 1 and number 2 screwdrivers 0.125 in. flathead screwdriver Long-nose pliers Wire cutters Wire insulation strippers Quick reference label for the DAQ device you are using National Instruments Corporation 1-1 SCB-68 Shielded Connector Block User Manual Chapter 1 Introduction The following items, if you are adding components (optional): Soldering iron and solder Resistors Capacitors Quick Reference Label A quick reference label for E Series devices is included in this kit. Quick reference labels for some other devices ship with the DAQ device itself. These labels show the switch configurations and define the screw terminal pinouts for compatible DAQ devices. You can put the label on the inside of the SCB-68 cover for easy reference if you are using one of these devices. Refer to Appendix B, Quick Reference Labels, for the switch configurations and screw terminal pinouts that are included on each quick reference label. Table 1-1 shows cabling options and features for DAQ devices that are compatible with the SCB-68. Figure 1-1 shows where to apply the quick reference label to the...
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This note was uploaded on 05/19/2012 for the course ELEN 3030 taught by Professor Joshi during the Spring '12 term at Marquette.

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