National Instruments SCC-TC Series Thermocouple Input Modules Manuel d'utilisateur télécharger pdf (Page 5)

Figure 1. SCC-TC0X Signal Connections

For more information about how to configure the SCC-TC0X module using

NI-DAQmx, refer to the SCC Quick Start Guide.

Using the TC0X

Scaling Voltage Measurements

Note NI-DAQmx includes thermocouple and thermistor conversion utilities that

implement the conversions required in steps 3 and 5 of the following procedure. Refer to

your software documentation for more information on these utilities.

Your software environment may return only voltage measurements from

E/M Series DAQ devices. If so, you must convert voltage measurements to

Thermocouple

Source

AI (

)

AI (

+8)

SCC-TC0

E/M Series

DAQ Device

–

4.75 kΩ

5 kΩ

0.1%

10 kΩ

2.5 kΩ

5 kΩ

at 25

10 MΩ

10 μF

16 V

0.1 μF

-t

Ref 5 V

LM 4040

2.5 V

0.1%

2-Pole Filter/

Buffer Stage

Offset

Calibrator

AI SENSE

TC+

GND

(SCC-TC02

only)

TC-

AI GND

–

1 2 3 4 5 6 7 8 9 10 ... 15 16

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National Instruments SCC-TC Series Thermocouple Input Modules Manuel d'utilisateur Page 5

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