ABB REC 523 Technical Reference Manual

Contents

ABB REC 523 Technical Reference Manual Manual pdf 3 page image

Remote Monitoring and Control UnitTechnical Reference Manual©Copyright 2007 ABB Oy, Distribution Automation, Vaasa, FINLAND 3REC 5231MRS750881-MUMIssued: 24.08.1998Version: M/31.10.20071. About this manual .....................................................................71.1. Copyrights .....................................................................................71.2. Trademarks ...................................................................................71.3. Guarantee .....................................................................................71.4. General .........................................................................................71.5. Use of symbols ..............................................................................81.6. Terminology ..................................................................................81.7. Abbreviations ................................................................................91.8. Related documents .......................................................................91.9. Document revisions .....................................................................102. Safety information ...................................................................113. Introduction .............................................................................133.1. General .......................................................................................133.2. Hardware versions ......................................................................144. Instructions ..............................................................................154.1. Application ...................................................................................154.2. Requirements ..............................................................................184.3. Configuration ...............................................................................185. Functional description ............................................................195.1. REC 523 functions ......................................................................195.1.1. Measurement functions ....................................................195.1.2. Protection and fault indication functions ..........................205.1.3. Control functions ..............................................................205.1.4. Condition monitoring functions .........................................215.1.5. Power quality functions ....................................................225.1.6. General functions .............................................................225.1.7. Standard functions ...........................................................225.1.8. Communication ................................................................245.2. Auxiliary voltage ..........................................................................245.2.1. Power supply versions .....................................................245.2.2. Power backup ..................................................................255.2.3. Condition monitoring of batteries .....................................275.2.4. Battery charger ................................................................275.2.5. Low auxiliary voltage indication .......................................285.2.6. Overtemperature indication ..............................................285.3. Analogue channels ......................................................................295.3.1. Design ..............................................................................295.3.2. Technical data of measuring devices ...............................305.3.3. Calculated analogue channels .........................................325.3.4. Temperature measurement .............................................33