National Instruments SCC-RTD01 User Manual
Also see for SCC-RTD01: Quick start guideUser guideUser guide
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© 2002 National Instruments Corp. All rights reserved.National Instruments™, NI™, ni.com™, and NI-DAQ™ are trademarks of National Instruments Corporation. Product andcompany names mentioned herein are trademarks or trade names of their respective companies. For patents coveringNational Instruments products, refer to the appropriate location: Help»Patents in your software, the patents.txt fileon your CD, or ni.com/patents.December 2002371072A-01SCC-RTD01 RESISTANCE TEMPERATURE D ETECTORINPUT MODULE U SER GUIDEThe SCC-RTD01 resistance temperature detector (RTD) input moduleaccepts up to two RTD input signals from 2-, 3-, or 4-wire RTDs of thefollowing types:• Pt100 (–100 to 850 °C), α = 0.00385 or 0.00392• Ni120 (–80 to 320 °C)• Cu10 (0 to 260 °C)The SCC-RTD01 filters RTD inputs and passes them through a differentialamplifier with a fixed gain of 25 resulting in a maximum input voltage of400 mVDC. The output of the amplifier passes through a three-pole, 30 HzButterworth lowpass filter. The SCC-RTD01 provides a 1 mA excitationcurrent source for RTDs.ConventionsThe following conventions are used in this guide:This icon denotes a note, which alerts you to important information.This icon denotes a caution, which advises you of precautions to taketo avoid injury, data loss, or a system crash. When this symbol is markedon the product, refer to the Read Me First: Safety and Radio-FrequencyInterference document, shipped with the product, for precautions to take.» The » symbol leads you through nested menu items and dialog box optionsto a final action. The sequence File»Page Setup»Options directs you topull down the File menu, select the Page Setup item, and select Optionsfrom the last dialog box.bold Bold text denotes items that you must select in software, such as menuitems and dialog box options. Bold text also denotes parameter names.italic Italic text denotes variables, emphasis, a cross reference, or an introductionto a key concept. This font also denotes text that is a placeholder for a wordor value that you must supply.ni.com |
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