ABB REU 523 - Index

56
1MRS 750942-MUM
Combined Overvoltage and Undervoltage Relay
Technical Reference Manual
REU 523
7. Index
A
Application................................................................................................... 8
Auxiliary voltage............................................................................ 48, 50, 53
B
Binary input.......................................................................................... 49, 50
Binary input test......................................................................................... 30
Block diagram ............................................................................................ 14
C
CBFP.......................................................................................................... 11
Characteristic of the undervoltage stages................................................... 18
Characteristics of the overvoltage stages ................................................... 17
Check lists.................................................................................................. 60
Checksum calculation ................................................................................ 22
Communication ports................................................................................. 33
Communication protocol............................................................................ 34
Comtrade.................................................................................................... 32
Configuration ......................................................................................... 8, 13
Connection diagram ..................................................................................... 9
Control parameters............................................................................... 44, 61
Counter....................................................................................................... 34
D
Data communication .................................................................................. 53
Demand values........................................................................................... 30
Design description...................................................................................... 47
Dimensions................................................................................................. 50
Disturbance recorder ...................................................................... 11, 30, 42
Disturbance recorder data........................................................................... 30
E
Electromagnetic compatibility tests........................................................... 51
Energizing inputs ....................................................................................... 50
Environmental conditions .............................................................................8
Environmental tests.................................................................................... 51
Event code................................................................................ 32, 37, 38, 39
External parameterization .......................................................................... 46
F
Fault code............................................................................................. 12, 46
Features ........................................................................................................ 5
Function test............................................................................................... 30
H
HMI...................................................................................................... 11, 20