NICFP-RTD-122 datasheet, PDF - EEWORLD Datasheet

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NICFP-RTD-122: DescriptionThermocouple and RTD Modules for Compact FieldPoint; File Size186KB，6 Pages; ManufacturerNI; Websitehttps://www.ni.com

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NICFP-RTD-122 Overview

Thermocouple and RTD Modules for Compact FieldPoint

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Thermocouple and RTD Modules for Compact FieldPoint

NI cFP-TC-120, NI cFP-TC-125, NI cFP-RTD-122, NI cFP-RTD-124

• 8 temperature inputs

• Thermocouple or millivolt

• 2-, 3-, or 4-wire RTD

• Built-in signal conditioning

between channels

• 250 V common-mode isolation

on cFP-TC-125

• 50 and 60 Hz noise rejection

• 16-bit resolution

• Input ranges configurable in software

for each channel

• 2,300 V

rms

bank isolation for transient

overvoltage protection

• Hot-swappable with autoconfiguration

• -40 to 70 °C operating range

Module

cFP-TC-120

cFP-TC-125

cFP-RTD-122

cFP-RTD-124

Input

Channels

Resolution

(bits)

Input Type

Thermocouple

Millivolt

Thermocouple

Millivolt

2-, 3-wire RTD

Resistance

2-, 4-wire RTD

Resistance

Input Ranges Software-

Configurable per Channel

J,K,R,S,T,N,E, and B ± 25 mV, ±50 mV

±100 mV, -20 to 80 mV

J,K,R,S,T,N,E, and B

-20 to 80 mV

Pt 100, Pt 1,000

0 to 400, 0 to 4000

Pt 100

0 to 400

50/60 Hz

Noise Filter

All-Channel

Update Period

1.13 s (0.88 Hz)

0.22 s (Filter Off)

0.99 s (Filter On)

1.08 s (0.93 Hz)

Common-Mode

Between Channels

–

250 V

rms

–

Safety

Isolation

2,300 V

rms

bank isolation

2,300 V

rms

bank isolation

2,300 V

rms

bank isolation

2,300 V

rms

bank isolation

Overview

The NI cFP-TC-12x and cFP-RTD-12x are versatile temperature input

modules for Compact FieldPoint used to measure thermocouples,

millivolt-level voltages, thermistors, and 2-, 3-, and 4-wire RTDs. They are

used in applications such as temperature chamber control, device testing,

and process control. Thermocouples are low-cost, flexible temperature

devices. RTD sensors are used in applications for acquiring temperatures

with high accuracy. Two- and 3-wire RTDs work well for applications with

short signal wires and low noise levels; 4-wire RTDs are well-suited for

applications with long signal wires or high noise levels. All of these I/O

modules include overranging and onboard diagnostics to ensure trouble-

free installation and maintenance. The modules measure and linearize

signals on board to return scaled values to your control or monitoring

software. The cFP-TC-12x and cFP-RTD-12x modules have NIST-traceable

calibration certificates (available upon request) to ensure accurate and

reliable analog measurements.

Compact FieldPoint

Compact FieldPoint is designed for industrial control applications that

perform advanced embedded control, data logging, headless operation,

and Ethernet connectivity. Compact FieldPoint, a rugged, reliable NI platform,

is designed for industrial and mobile environments with high shock,

vibration, and temperature extremes.

Isolation

The cFP-TC-125 provides 250 V

rms

common-mode voltage protection

between channels, and all cFP-TC-12x and cFP-RTD-12x modules

feature optical bank isolation with 2,300 V

rms

of breakdown isolation.

In addition, the cFP-TC-12x and cFP-RTD-12x offer double insulation for

up to 250 V

rms

of operational isolation. You can safely use Compact

FieldPoint with the cFP-CB-1 or cFP-CB-3 connector block in applications

where hazardous voltages are present.

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