Datasheet > SCM5B33-04C

SCM5B33-04C

更新时间： 2024-10-01 22:22:15

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
2页	29K
描述
Isolated True RMS Input Modules

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中文翻译

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SCM5B33-04C 数据手册

SCM5B33

Isolated True RMS Input Modules

FEATURES

DESCRIPTION

● INTERFACES RMS VOLTAGE (0 – 300V) OR RMS CURRENT (0 – 5A)

Each SCM5B33 True RMS input module provides a single channel of AC

input which is converted to its True RMS dc value, filtered, isolated,

amplified, and converted to a standard process voltage or current output

(Figure 1).

● DESIGNED FOR STANDARD OPERATION WITH FREQUENCIES OF

45HZ TO 1000HZ (EXTENDED RANGE TO 20Khz)

● COMPATIBLE WITH STANDARD CURRENT AND POTENTIAL

The SCM5B modules are designed with a completely isolated computer side

circuit which can be floated to ±50V from Power Common, pin 16. This

complete isolation means that no connection is required between I/O

Common and Power Common for proper operation of the output switch. If

desired,theoutputswitchcanbeturnedoncontinuouslybysimplyconnecting

pin 22, the Read-Enable pin to I/O Common, pin 19.

TRANSFORMERS

● INDUSTRY STANDARD OUTPUTS OF EITHER 0-1MA, 0-20mA,

4-20MA, 0-5V OR 0-10VDC

● ±0.25% FACTORY CALIBRATED ACCURACY (ACCURACY CLASS

0.2)

The field voltage or current input signal is processed through a pre-amplifier

and RMS converter on the field side of the isolation barrier. The converted dc

signalisthenchoppedbyaproprietarychoppercircuitandtransferredacross

the transformer isolation barrier, suppressing transmission of common

modespikesandsurges.Thecomputersidecircuitryreconstructs,filtersand

converts the signal to industry standard outputs. Modules are powered from

+5VDC, ±5%.

● 1500 VRMS CONTINUOUS TRANSFORMER BASED ISOLATION

● INPUT OVERLOAD PROTECTED TO 480V MAX (PEAK AC & DC) OR

10A RMS CONTINUOUS

● ANSI/IEEE C37.90.1-1989 TRANSIENT PROTECTION

● REGULATORY COMPLIANCE (TO BE DETERMINED)

For current output models an external loop supply is required having a

compliancevoltageof14to48VDC.Connection,withseriesload,isbetween

Pin 20 (+) and Pin 19 (-).

Pre-Amp,

Conversion

+EXC

Isochopper™

LPF

V_OUT^orI_OUT

Amplifier

Surge

Suppression

and

AC Source +In

Pat Pending

I_IN

I/O Common

RD EN\

Protection

–V

–In

–EXC

Isolated

Computer-Side

Power

Backpanel

Term Block

+5V

Isolated

Field-Side

Power

Oscillator

–V

* Current Input Models Only

Add Jumpers for Current Input Modules

(provided with SCM5B33-06, 07)

Power Common

FIGURE 1. SCM5B33 Block Diagram.

Call 800-444-7644

DATAFORTH

For Information and Assistance

A Burr- Brown Company

中文翻译

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与SCM5B33-04C相关器件

型号	品牌	获取价格	描述	数据表
SCM5B33-04D	ETC	获取价格	Isolated True RMS Input Modules
SCM5B33-04E	ETC	获取价格	Isolated True RMS Input Modules
SCM5B33-05	ETC	获取价格	Isolated True RMS Input Modules
SCM5B33-05B	ETC	获取价格	Isolated True RMS Input Modules
SCM5B33-05C	ETC	获取价格	Isolated True RMS Input Modules
SCM5B33-05D	ETC	获取价格	Isolated True RMS Input Modules
SCM5B33-05E	ETC	获取价格	Isolated True RMS Input Modules
SCM5B33-06	ETC	获取价格	Isolated True RMS Input Modules
SCM5B33-06B	ETC	获取价格	Isolated True RMS Input Modules
SCM5B33-06C	ETC	获取价格	Isolated True RMS Input Modules

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