ABB REB500 - Page 29

1MRK 505 350-UEN Section 2
Signals
Technical Manual 21
Distributed busbar protection REB500
Table 21 Central Unit blocking system
Input Output
Blocking Inputs Alarms Enable
BU CU CU BU CU CU
11205_Block SP
11210_Block output relays
13205_Block BFP
14205_Block EFP
15210_Block OCDT
17205_Block PDF
19205_Block BP
31205_Block SP
31230_Block BB zone
31210_Block output relays
32205_Block BBP
33210_Block BFP
34215_Block EFP
35220_Block
OCDT
37205_Block PDF
39205_Block BP
Isolator alarm
Differential current alarm
11605_External release trip
31805_Ext. release BP zone
E
B
P
Z
F
41305_Trip BP zone
B
41
6
10_Trip
redirect
ed
S
B
S
41405_SP
blocked
S
S
B
S
K
K
41415_BB zone blocked
B
41410_Output relay blocked
B
S
41505_Isolator alarm
B
41805_Alarm
B
41810_In service
E
B
E
S
41815_Differential current alarm
B
41825_Inspection/maintenance
B
S
41830_Switch inhibit
B
41835_Test generator active
E
B
E
F
42305_BBP trip
E
B
E
F
42310_BBP
trip L0
E
B
E
F
42315_BBP trip L1
E
B
E
F
42320_BBP trip L2
E
B
E
F
42325_BBP trip L3
S
B
S
K
K
42405_BBP blocked
Z
B
Z
F
43305_BFP trip t1
Z
B
Z
F
43310_BFP trip t2
S
S
B
S
F
43405_BFP blocked
Z
B
Z
F
44305_EFP trip
S
S
B
S
F
44405_EFP blocked
Z
B
Z
F
45305_OCDT trip
S
S
B
S
F
45405_OCDT blocked
Z
B
Z
F
45805_OCDT start
Z
B
Z
F
47305_PDF trip
S
S
B
S
F
47405_PDF blocked
B
48805_Voltage criterion
S
B
S
49405_BP blocked