ABB REJ 521 User Manual

3
Earth-Fault Relay
Operator’s Manual
REJ 521
1MRS 752179-MUM
Issued: 14.09.98
Version: C/15.08.02
Checked: A.S.
Approved: L.N.
We reserve the right to change data without prior notice.
Contents
1. Introduction ............................................................................... 5
1.1. About this manual ..........................................................................5
1.2. The use of the relay .......................................................................5
1.3. Features .........................................................................................5
1.4. Guarantee ......................................................................................6
2. Safety information ..................................................................... 7
3. Instructions ................................................................................ 8
3.1. HMI features ...................................................................................8
3.1.1. Front panel ..........................................................................8
3.1.2. Display ................................................................................9
3.1.2.1. Display test at power up ........................................9
3.1.2.2. Display idle mode ..................................................9
3.1.2.3. Display backlight ...................................................9
3.1.2.4. How to adjust the display contrast ......................10
3.1.3. How to use the push-buttons ............................................10
3.1.4. How to select language .....................................................11
3.1.5. Main menu ........................................................................12
3.1.6. Submenu ...........................................................................12
3.1.7. How to switch between the front and the rear connector ..12
3.1.8. Passwords ........................................................................13
3.2. HMI operation levels ....................................................................14
3.2.1. Main level ..........................................................................14
3.2.2. User level ..........................................................................14
3.2.2.1. Menu groups of the user level .............................14
3.2.2.2. How to monitor measured values ........................14
3.2.2.3. How to monitor recorded data .............................15
3.2.2.4. INFO ....................................................................16
3.2.3. Technical level ..................................................................16
3.2.3.1. Menu system of parameters ................................16
3.2.3.2. How to change settings ......................................17
3.2.3.3. Configuration .......................................................18
3.2.3.4. How to acknowledge and reset indications,
output contacts and memorized values ...............19
3.2.4. Menu chart ........................................................................20
3.3. Protection relay indications ..........................................................21
3.3.1. Indicator LEDs ..................................................................21
3.3.1.1. Green indicator LED ............................................21
3.3.1.2. Yellow indicator LED ...........................................21
3.3.1.3. Red indicator LED ...............................................22

ABB REJ 521 Specifications

General

Brand	ABB
Model	REJ 521
Category	Relays
Language	English