Datasheet > 777459-21

777459-21

更新时间： 2022-12-19 10:20:25

品牌	Logo	应用领域
美国国家仪器公司 - NI		/
页数	文件大小	规格书
17页	4120K
描述
SCC Configuration Guide

阅读下载

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

777459-21 数据手册

Portable, Modular Signal Conditioning Modules

NI SCC-RTD01 RTD Input

Specifications

SCC-RTD01

Analog Input

Number of input channels .................. 2 differential

Input range.......................................... ±400 mVDC (fixed gain of 25

on each channel)

Maximum working voltage

Model

Channel

Description

Part Number

(signal + common mode) ................ Each input should remain within

±12 V of ground

Overvoltage protection ....................... ±42 V_pk/25 VDC (powered on

or off)

Input impedance ................................. 2 MΩ in parallel with 4.7 nF

powered on; 20 kΩ min

SCC-RTD01

2, 3, or 4-wire Pt RTD

777459-18

The National Instruments SCC-RTD01 is a dual-channel module that

accepts 2, 3, or 4-wire platinum RTDs. Each channel of the

NI SCC-RTD01 has an amplifier with a gain of 25 and a 30 Hz lowpass

filter. In addition, the module has a 1 mA excitation source for powering

the RTDs.

powered off

Filter type ............................................ Lowpass 3-pole Butterworth filter

-3 dB cutoff frequency ........................ 30 Hz

System noise....................................... 4.5 µV_rms(referred to input)

Transfer Characteristics

Gain .................................................... 25

Gain error ............................................ ±1.2ꢀ

Gain-error temperature coefficient..... ±10 ppm/°C

Offset error.......................................... ±250 µV RTI

Offset-error temperature coefficient.. ±1.± µV/°C

Nonlinearity......................................... 10 ppm of full scale

Recommended warm-up time............. 5 minutes (SCC system only)

Amplifier Characteristics

CMRR .................................................. 110 dB at ±0 Hz

Output range ....................................... ±10 V

Excitation

Number of channels............................

Constant-current source ..................... 1 mA

Maximum voltage level without

losing regulation............................. 24 V

Drift .................................................... ±127 ppm/°C

Environment

Operating temperature ....................... 0 to 50 °C

Relative humidity ................................ 5 to 90ꢀ noncondensing

Power Requirements

Analog................................................. 135 mW maximum

Digital.................................................. 153 mW maximum

BUY ONLINE at ni.com or CALL 800 813 3693 (U.S.)

1 2 3 456 7 8...17

下载PDF

与777459-21相关器件

型号	品牌	描述	获取价格	数据表
777459-22	NI	SCC Configuration Guide	获取价格
777459-23	NI	SCC Configuration Guide	获取价格
777459-24	NI	SCC Configuration Guide	获取价格
777459-25	NI	SCC Configuration Guide	获取价格
777459-26	NI	SCC Configuration Guide	获取价格
777459-27	NI	SCC Configuration Guide	获取价格