National Instruments SCC-TC Series Thermocouple Input Modules Manual de usuario

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USER GUIDE
SCC-TC Series Thermocouple
Input Modules
The SCC-TC Series thermocouple input modules, SCC-TC01 and
SCC-TC02, accept input signals from B-, E-, J-, K-, N-, R-, S-, and T-type
thermocouples. The thermocouple inputs are filtered and passed into a
differential amplifier with a gain of 100. The output of the amplifier passes
through a dual-pole 2 Hz filter. Each module contains thermistor circuitry,
powered by a 2.5 V reference, to compensate for cold-junction effects.
Each module also can detect open thermocouple circuits.
Alternatively, you can connect voltage signals up to ±100 mV to the screw
terminals of the SCC-TC02 and use it as a low-bandwidth millivolt-input
module.
Conventions
The following conventions are used in this guide:
<> Angle brackets that contain numbers separated by an ellipsis represent
a range of values associated with a bit or signal name—for example,
ai<0..7>.
» 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 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 product, refer to the Read Me First: Safety and Radio-Frequency
Interference document, shipped with the product, for precautions to take.
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Indice de contenidos

Pagina 1 - Input Modules

USER GUIDESCC-TC Series Thermocouple Input ModulesThe SCC-TC Series thermocouple input modules, SCC-TC01 and SCC-TC02, accept input signals from B-, E

Pagina 2 - What You Need to Get Started

SCC-TC Series Thermocouple Input Modules User Guide 10 ni.com6. Under Accessory:, select SC-2345.7. Click the Configure button. A new window appears l

Pagina 3 - Installing the Module

© National Instruments Corporation 11 SCC-TC Series Thermocouple Input Modules User Guide8. Enter the specific values for your application in the Sett

Pagina 4 - Connecting the Input Signals

SCC-TC Series Thermocouple Input Modules User Guide 12 ni.comCalibrating the SCC-TC0X Using a Thermocouple CalibratorTo calibrate the system using a t

Pagina 5

© National Instruments Corporation 13 SCC-TC Series Thermocouple Input Modules User GuidewhereVTC is thermocouple voltage.VESERIES is E Series DAQ dev

Pagina 6

SCC-TC Series Thermocouple Input Modules User Guide 14 ni.comAmplifier CharacteristicsOpen thermocouple detection current...250 nA max1(assuming flo

Pagina 7

© National Instruments Corporation 15 SCC-TC Series Thermocouple Input Modules User GuideCold-Junction SensorCold-junction sensor accuracy ...

Pagina 8 - Configuring the SCC System

SCC-TC Series Thermocouple Input Modules User Guide 16 ni.comPhysicalTC01 dimensions...7.8 cm by 2.92 cm by 1.85 cm(3

Pagina 9 - Traditional NI-DAQ

© National Instruments Corporation 17 SCC-TC Series Thermocouple Input Modules User GuideNote For UL and other safety certifications, refer to the pro

Pagina 10

SCC-TC Series Thermocouple Input Modules User Guide 18 ni.comI/O Connector Pin AssignmentsFigure 4 shows the I/O connector pins on the bottom of the m

Pagina 11 - Calibrating System Offsets

© National Instruments Corporation 19 SCC-TC Series Thermocouple Input Modules User Guide13 +15 V14 –15 V15 —16 —17 —18 —19 —20 —Table 1. SCC Module

Pagina 12 - Measurements

SCC-TC Series Thermocouple Input Modules User Guide 2 ni.comWhen symbol is marked on a product, it denotes a warning advising you to take precautions

Pagina 13 - Specifications

National Instruments™, NI™, ni.com™, and NI-DAQ™ are trademarks of National Instruments Corporation. Product and company names mentioned herein are tr

Pagina 14 - Measurement Accuracy

© National Instruments Corporation 3 SCC-TC Series Thermocouple Input Modules User Guide❑ Numbers 1 and 2 Phillips screwdrivers❑ Wire insulation strip

Pagina 15 - Power Requirement

SCC-TC Series Thermocouple Input Modules User Guide 4 ni.comA blue stripe on the label identifies the SCC-TC0X as an analog input module. The label al

Pagina 16 - Environmental

© National Instruments Corporation 5 SCC-TC Series Thermocouple Input Modules User GuideThe SCC-TC02 has a fixed screw-terminal receptacle and a remov

Pagina 17 - CE Compliance

SCC-TC Series Thermocouple Input Modules User Guide 6 ni.comThe amplified thermocouple signal and cold-junction sensor signal are measured by E Series

Pagina 18 - I/O Connector Pin Assignments

© National Instruments Corporation 7 SCC-TC Series Thermocouple Input Modules User GuideYou can use the following formulas to convert the cold-junctio

Pagina 19

SCC-TC Series Thermocouple Input Modules User Guide 8 ni.comDetecting Open ThermocouplesThe SCC-TC0X contains a 10 MΩ pull-up resistor that connects t

Pagina 20 - *323099B-01*

© National Instruments Corporation 9 SCC-TC Series Thermocouple Input Modules User GuideNI-DAQmxComplete the following steps to configure the SCC-TC m

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