ABB REU 523 Technical Reference Manual page 57

1MRS 750942-MUM
Combined Overvoltage and Undervoltage Relay
Technical Reference Manual
I
IEC 60870-5-103 ........................................................................................ 34
Indication messages ..............................................................................29, 46
Input/output connections ............................................................................ 47
Input/output signals .................................................................................... 45
Inputs .................................................................................................... 11, 45
Internal relay fault .......................................................................... 12, 46, 49
L
Latching feature.......................................................................................... 23
LCD ...................................................................................................... 11, 46
LED ................................................................................................12, 29, 46
LED test...................................................................................................... 30
Local parameterization ............................................................................... 46
LON bus ......................................................................................................33
M
Master reset ................................................................................................ 32
Measurements............................................................................................. 12
Measuring range ......................................................................................... 50
N
New trip indication ..................................................................................... 27
Non-volatile memory............................................................................ 11, 28
O
Ordering information.................................................................................. 54
Output signals ............................................................................................. 45
Overvoltage unit ......................................................................................... 14
P
Parameterization ..........................................................................................46
Parameters for the disturbance recorder ............................................... 42, 62
Password................................................................................................11, 39
Positive-phase-sequence..............................................................................16
Power outputs (PO1, PO2) ....................................................... 11, 46, 49, 51
Power supply .............................................................................................. 50
Product functions........................................................................................ 10
R
Recorded data ....................................................................................... 32, 41
Requirements ................................................................................................ 8
S
Safety information ........................................................................................ 7
Self-supervision.....................................................................................12, 46
Serial communication........................................................................... 33, 49
Setting groups........................................................................................20, 60
Settings .................................................................................................20, 40
REU 523
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