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SCC-RTD01 Resistance Temperature Detector User Guide

2

ni.com

ADE

Application Development Environment

bold

Bold text denotes items that you must select in software, such as menu 
items and dialog box options. Bold text also denotes parameter names.

italic

Italic text denotes variables, emphasis, a cross-reference, or an introduction 
to a key concept. Italic text also denotes text that is a placeholder for a word 
or value that you must supply.

monospace

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.

SC-2345

SC-2345 refers to both the SC-2345 connector block and the SC-2345 with 
configurable connectors.

SCC

SCC refers to any SCC Series signal conditioning module.

What You Need to Get Started

To set up and use the SCC-RTD01, you need the following items:

Hardware

SCC-68

or

SC-2345/2350 with one of the following:

SCC-PWR01

SCC-PWR02 and the PS01 power supply

SCC-PWR03 (requires a 7 to 42 VDC power supply, 
not included)

One or more SCC-RTD01 modules

68-pin E/M Series DAQ device

68-pin cable

Quick Reference Label

Software

The latest version of NI-DAQmx

Содержание SCC-RTD01

Страница 1: ...rent source for RTDs Conventions The following conventions are used in this guide The symbol leads you through nested menu items and dialog box options to a final action The sequence File Page Setup O...

Страница 2: ...g 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 e...

Страница 3: ...re scaling Device Specific Information Note For general SCC module installation and signal connection information and information about the SC 2345 or SC 2350 carrier refer to the SCC Quick Start Guid...

Страница 4: ...measuring the voltage across RTDs Pins 1 and 2 form a differential channel routed to E M Series DAQ device channel X 8 and pins 3 and 4 form a second differential channel routed to E M Series DAQ devi...

Страница 5: ...hannel Red Red Black Black RTD IEX 1 mA E M Series AI X E M Series AI X 8 6 5 4 3 2 1 SCC RTD01 2 Wire 1 Channel Red Black RTD IEX 1 mA E M Series AI X E M Series AI X 8 6 5 4 3 2 1 SCC RTD01 3 Wire 1...

Страница 6: ...ions can introduce measurement errors For information about configuring the SCC RTD01 module using NI DAQmx refer to the SCC Quick Start Guide IEX 1 mA 6 5 4 3 2 1 SCC RTD01 4 Wire 2 Channels Red Red...

Страница 7: ...te the RTD voltage using the following formula where VRTD is the SCC RTD01 input voltage VESERIES is the E M Series DAQ device voltage 2 Use polynomial expressions or a conversion table provided by th...

Страница 8: ...sured RTD voltage IEX is the excitation current Most platinum RTD curves conform to one of the following three standardized curves DIN 43760 standard U S Industrial or American standard International...

Страница 9: ...M in parallel with 4 7 nF Powered off 20 k min Overload 20 k min Filter type 3 pole Butterworth lowpass filter 3 dB cutoff frequency 30 Hz System noise 4 5 Vrms referred to the input RTI 1 Transfer Ch...

Страница 10: ...ut regulation loss 24 V Drift 127 ppm C Power Requirement Analog power 135 mW max 15 V 4 5 mA max 15 V 4 5 mA max Digital power 153 mW max 5 V 30 6 mA max Physical Figure 3 SCC RTD01 Dimensions Weight...

Страница 11: ...or electrical equipment for measurement control and laboratory use IEC 61010 1 EN 61010 1 UL 61010 1 CAN CSA C22 2 No 61010 1 Note For UL and other safety certifications refer to the product label or...

Страница 12: ...nd click the appropriate link in the Certification column Waste Electrical and Electronic Equipment WEEE EU Customers At the end of their life cycle all products must be sent to a WEEE recycling cente...

Страница 13: ...appropriate location Help Patents in your software the patents txt file on your CD or ni com patents 2002 2006 National Instruments Corporation All rights reserved 371072C 01 Jul06 AI X 8 A GND is the...

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