ABB REX 521 Operator's Manual
Also see for REX 521: Technical Reference Manual, GeneralTechnical Reference Manual, GeneralOperating guideTechnical Reference Manual, Standard ConfigurationsTechnical Reference Manual, Standard Configurations
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Contents
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3REX 521Issued: 29.11.2001Version: E/04.06.2004We reserve the right to change data without prior notice.Protection RelayOperator’s ManualContents1. About this manual .....................................................................51.1. Copyrights .....................................................................................51.2. Trademarks ...................................................................................51.3. General .........................................................................................51.4. Abbrevitations ...............................................................................61.5. Related documents .......................................................................61.6. Document revisions .......................................................................72. Safety information .....................................................................73. Introduction ...............................................................................83.1. REX 521 protection relay ..............................................................84. Instructions ................................................................................94.1. HMI features ..................................................................................94.1.1. Push-button functions ......................................................114.1.2. Selecting language ..........................................................124.1.3. Passwords .......................................................................134.1.4. Display backlight ..............................................................134.1.5. Display contrast ...............................................................134.1.6. Display test ......................................................................144.1.7. Selecting primary values ..................................................144.1.8. Optically isolated serial communication port ....................144.2. Menu chart ..................................................................................154.2.1. Measurement menu .........................................................164.2.2. Event menu ......................................................................174.2.3. Manual control .................................................................184.2.3.1. Local/Remote position selection ........................184.2.3.2. Controlling breaker .............................................194.2.4. Setting parameters ...........................................................214.2.5. Setting bit masks ..............................................................214.3. Indication messages ...................................................................224.3.1. Protection indications .......................................................224.3.2. Self-supervision ...............................................................234.3.3. Condition monitoring indication ........................................244.4. LED indicators .............................................................................254.4.1. Green indication LED (READY) .......................................254.4.2. Yellow indication LED (START) .......................................254.4.3. Red indication LED (TRIP) ...............................................254.5. Alarm LEDs .................................................................................264.5.1. Alarm LED 1-8 .................................................................261MRS 751107-MUM |
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