Celdas de Carga

 Documents

 51 views
of 83
All materials on our website are shared by users. If you have any questions about copyright issues, please report us to resolve them. We are always happy to assist you.
Description
Weighing Systems Weighing Load Cell 9QGPL User Manual Use of DANGER, WARNING, CAUTION, and NOTE This publication includes, DANGER, WARNING, CAUTION and NOTE information where appropriate to point out safety related or other important information. DANGERHazards which could result in severe personal injury or death WARNINGHazards which could result in personal injury CAUTIONHazards which could result in equipment or property damage NOTEAlerts user to pertinent facts and conditions Although DANG
Share
Tags
Transcript
  Weighing Systems Weighing Load Cell9QGPL User Manual  3BDD016542-EN  3  B  S E  0   0   5   0  1  4   /    B  Template: 3BSE005015/A Use of  DANGER , WARNING , CAUTION , and NOTE This publication includes, DANGER , WARNING , CAUTION and NOTE information where appropriate to point out safetyrelated or other important information. DANGER Hazards which could result in severe personal injury or death WARNING Hazards which could result in personal injury CAUTION Hazards which could result in equipment or property damage NOTE Alerts user to pertinent facts and conditionsAlthough DANGER and WARNING hazards are related to personal injury, and CAUTION hazards are associated withequipment or property damage, it should be understood that operation of damaged equipment could, under certain operationalconditions, result in degraded process performance leading to personal injury or death. Therefore, comply fully with all DANGER , WARNING , and CAUTION notices. NOTICE The information in this document is subject to change without notice and should not be construed as a commitment byABB Automation GmbH. ABB Automation GmbH assumes no responsibility for any errors that may appear in this document.In no event shall ABB Automation GmbH be liable for direct, indirect, special, incidental or consequential damages of anynature or kind arising from the use of this document, nor shall ABB Automation GmbH be liable for incidental or consequentialdamages arising from use of any software or hardware described in this document.This document and parts thereof must not be reproduced or copied without ABB Automation GmbH’s written permission, andthe contents thereof must not be imparted to a third party nor be used for any unauthorized purpose.The software described in this document is furnished under a license and may be used, copied, or disclosed only in accordancewith the terms of such license. CE-MARKING The ITX000 mounted in cabinets fulfills the EMC Directive 89/336/EEC and the Low Voltage Directive 73/23/EEC, providedthat the installation is carried out in accordance with the installation instructions given in Chapter 5, Installation, included in thismanual.Copyright © ABB Automation GmbH, 2008  Weighing Load Cell User ManualTable of Contents 3BDD016542-EN1 TABLE OF CONTENTS Chapter 1 - Introduction 1.1Purpose and contents...............................................................................................1-11.2Function and design.................................................................................................1-1 Chapter 2 - Application overview 2.1General.....................................................................................................................2-1 Chapter 3 - Technical Description 3.1General.....................................................................................................................3-13.2Load cells.................................................................................................................3-23.2.1General....................................................................................................3-23.2.2Measuring principle................................................................................3-23.2.3Definitions..............................................................................................3-43.2.4Technical data.........................................................................................3-53.2.4.1Accuracy data...................................................................3-53.2.4.2Loading data.....................................................................3-53.2.5Installation dimensions...........................................................................3-6 Chapter 4 - Application building 4.1General.....................................................................................................................4-14.2Building-in the load cells.........................................................................................4-14.2.1General....................................................................................................4-14.2.2Typical load cell assembly......................................................................4-24.2.3Applications with load cells....................................................................4-34.2.4Pressure plate..........................................................................................4-34.2.5Foundation and load carrier....................................................................4-34.2.6Mounting plate........................................................................................4-44.2.7Mounting unit.........................................................................................4-64.3Selection of load cell size........................................................................................4-64.4Fixing of the load cells.............................................................................................4-84.5Selection of pressure plate.......................................................................................4-94.5.1Selection of rubber pressure plate QGMT 103 and QGMT 204............4-94.5.2Dimensions of rubber pressure plate QGMT 103.................................4-104.5.3Compression and side movement of rubber pressure plate QGMT1034-114.5.4Mounting accessories for rubber pressure plate QGMT 103................4-124.5.5Installation requirements for rubber pressure plate QGMT 103...........4-134.5.6Dimensions of rubber pressure plate QGMT 204.................................4-164.5.7Compression and side movement of rubber pressure plate QGMT2044-174.5.8Mounting accessories for rubber pressure plate QGMT 204................4-184.5.9Installation requirements for rubber pressure plate QGMT 204...........4-194.5.10Selection of sliding pressure plate QGMT 105....................................4-224.5.11Dimensions of sliding pressure plate QGMT 105................................4-234.5.12Installation requirements for sliding pressure plate QGMT 105..........4-24  Weighing Load Cell User ManualTable of Contents 23BDD016542-EN 4.6Design of safety devices.........................................................................................4-274.6.1Anti-lift off device.................................................................................4-274.6.2Lateral movement protection................................................................4-284.6.3Securing tie rods....................................................................................4-294.6.3.1Tie rods in tension and compression..............................4-294.6.4Overload protection device...................................................................4-334.7Dimensioning of load cell protection.....................................................................4-344.7.1Heat radiation protection.......................................................................4-344.7.2Protection against dust and moisture.....................................................4-344.8Designing to avoid interference factors.................................................................4-354.8.1General..................................................................................................4-354.8.2Wind pressure........................................................................................4-354.8.3Air pressure difference..........................................................................4-354.8.4Shunt forces...........................................................................................4-354.8.5Rigidity of foundation and load carrier.................................................4-354.9Design of pipe connections....................................................................................4-364.10Electric connections...............................................................................................4-374.10.1General..................................................................................................4-374.10.2Cable selection and dimensioning.........................................................4-374.10.3Grounding of strain gauge load cells....................................................4-38 Chapter 5 - Installation 5.1General.....................................................................................................................5-15.2Packaging and delivery............................................................................................5-15.3Storage......................................................................................................................5-25.4Installation of the load cells.....................................................................................5-35.4.1General....................................................................................................5-35.4.2Necessary equipment..............................................................................5-35.4.3Cleaning..................................................................................................5-35.4.4Anti-corrosion protection........................................................................5-35.4.5Installation procedure..............................................................................5-45.4.6Mounting plate........................................................................................5-55.4.7Foundation...............................................................................................5-65.4.8Mounting of the load cells.......................................................................5-75.4.9Installation of the pressure plate.............................................................5-85.4.9.1Rubber pressure plates QGMT 103 and QGMT 204.......5-85.4.9.2Sliding pressure plate QGMT 105....................................5-95.4.10Installation of anti-lift off device..........................................................5-105.4.11Lateral movement protection................................................................5-115.4.12Securing tie rods....................................................................................5-125.4.12.1Tie rods in tension and compression..............................5-125.4.13Overload protection device...................................................................5-13 Chapter 6 - Commissioning
Related Search
We Need Your Support
Thank you for visiting our website and your interest in our free products and services. We are nonprofit website to share and download documents. To the running of this website, we need your help to support us.

Thanks to everyone for your continued support.

No, Thanks