ABB REB500 - Section 2 System Overview

1MRK 505 350-UEN Section 2
Signals
Technical Manual 7
Distributed busbar protection REB500
Table 2 Abbreviations used for the various functions
Function Abbreviation
Busbar protection
BBP
Breaker failure protection
BFP
End fault protection
EFP
Time
-
overcurrent protection
OCDT
Disturbance recorder
DR
Circuit
-
breaker pole discrepancy protection
PDF
Low
-
voltage check feature
UV
A signal designation consists of a 5 digit signal number and a signal label, e.g.
37205 Block PDF.
Table 3 Signal Numbers Nomenclature
Digit 1
Category
Digit 2
Protection
function
Digit3
Signal function
Digit 4, 5
Sequence
number
1
Input on Bay
unit
0
INT
1
TRIP
05
2
Output on Bay
unit
1
SYS
2
Block command
10
3
Input on
Central unit
2
BBP
3
Tripping Signal
15
4
Output on
Central unit
3
BFP
4
Blocking Signal
20
5
S
ystem Signal
4
EFP
5
Bus image
etc.
5
OCDT
6
Control
6
DR
7
Start
7
PDF
8
General Alarm
8
UV