Rockwell-automation 1771-IR INSTL.INSTR RTD INPUT MODULE Manual de usuario descargar pdf (Pagina 12)

RTD Input Module12

Publication

1771-5.50 – October 1996

ValueDescription

Agency Certification

(when product or packaging is marked)

• CSA certified

• CSA Class I, Division 2, Groups A, B, C, D certified

• UL listed

• CE marked for all applicable directives

User Manual Publication 1771-6.5.76

Major differences between series of the 1771-IR RTD Input module

are shown below.

Description Series A Series B and C

Use of Data Table 8 in; 8 out; 8 read words, 14 write words 8 in; 8 out; 9 read words, 15 write words

Resistance Range 18.4 to 400.00 ohms 1.00 to 600.00 ohms

Common Mode Impedance <50 megohms shunted by <4700pF Greater than 10 megohms

Input Overvoltage Protection 40V rms continuous 120V rms continuous

Scan Time 50ms for 6 channels 50ms for 6 channels

Real Time Sampling None 50ms to 3.1s

Auto-Calibration None Yes – Uses Block Transfer Write word 15

Open RTD Response Time None Open excitation (terminal A) to overrange: <0.5sec

Open common (terminal C) to underrange: <0.5sec

Open sense (terminal B): drift high

Power Dissipation 5.0W maximum 4.75W maximum

Thermal Dissipation 15.0 BTU/hr 16.2 BTU/hr

Agency Certification

(when product or packaging is marked)

• CSA certified

• CSA Class I, Division 2, Groups A, B, C,

D certified

• UL listed

• CSA certified

• CSA Class I, Division 2, Groups A, B, C, D

certified

• UL listed

• CE marked for all applicable directives

Differences Between

Series A, Series B and

Series C Modules

Allen-Bradley, a Rockwell Automation Business, has been helping its customers improve

productivity and quality for more than 90 years. We design, manufacture and support a broad

range of automation products worldwide. They include logic processors, power and motion

control devices, operator interfaces, sensors and a variety of software. Rockwell is one of the

world’s leading technology companies.

Worldwide representation.

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Australia

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Austria

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Bahrain

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Belgium

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Bulgaria

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Canada

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Chile

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China, PRC

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Colombia

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Costa Rica

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Croatia

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Cyprus

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Czech Republic

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Denmark

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Ecuador

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Egypt

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El Salvador

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Finland

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France

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Germany

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Greece

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Guatemala

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Honduras

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Hong Kong

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Hungary

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Iceland

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India

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Indonesia

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Ireland

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Israel

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Italy

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Jamaica

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Japan

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Kuwait

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Malaysia

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Netherlands

•New

Zealand

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Norway

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Peru

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Philippines

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Poland

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Portugal

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Puerto

Rico

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Qatar

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Romania

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Russia–CIS

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Saudi Arabia

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Singapore

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Slovakia

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Slovenia

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South Africa, Republic

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Spain

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Sweden

•Switzerland

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aiwan

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Thailand

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urkey

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United

Arab Emirates

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United Kingdom

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United States

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Uruguay

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enezuela

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ugoslavia

Allen-Bradley Headquarters, 1201 South Second Street, Milwaukee, WI 53204 USA, Tel: (1) 414 382-2000 Fax: (1) 414 382-4444

Publication

1771-5.50 – October 1996

PN 955126-08

1996 Allen-Bradley Company

, Inc. Printed in USA

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Rockwell-automation 1771-IR INSTL.INSTR RTD INPUT MODULE Manual de usuario Pagina 12

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