Index - ABB REU 523 Technical Reference Manual

REU 523
7.
56
Combined Overvoltage and Undervoltage Relay
Technical Reference Manual

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
1MRS 750942-MUM