ABB REB500 - Page 28

Section 2 1MRK 505 350-UEN
Signals
20 Technical Manual
Distributed busbar protection REB500
Figure 1 REB500 blocking system
&
≥1
≥1
≥1
≥1
≥1
≥1
&
&
&
&
&
&
≥1
&
BP
BFP
EFP
OCDT
PDF
BBP
19205_Block BP
13205_Block BFP
14205_Block EFP
15210_Block OCDT
17205_Block PDF
11205_Block all
11105_External TRIP
11210_Block output relays
11605_External release Trip
&
&
&
&
&
&
&
&
&
&
&
23405_BFP blocked
23335_Trip by BFP
23105_BFP Trip
23110_BFP remote TRIP
24405_EFP blocked
24105_EFP remote TRIP
25405_OCDT blocked
25105_OCDT TRIP
27405_PDF blocked
27105_PDF TRIP
29405_BP blocked
2)
2)
2)
2)
2)
2)
2)
2)
2)
'1’
&
≥1
'1’
I>Imin
&
&
2)
22405_BBP blocked
&
&
2)
&
&
2)
21105_EXTERNAL TRIP
21110_TRIP
BBP ITT
6)
39205_Block BP
33210_Block BFP
34215_Block EFP
35220_Block OCDT
37205_Block PDF
32205_Block BBP
31205_Block SP
31210_Block output relays
31805_External release BB zone
31805_External TRIP BB zone
1)
'1’
1)
1)
3)
13210_BP Block BFP
4)
4)
4)
4)
7)
8)
Bay Unit
Central Unit
5)