Siemens SIPROTEC 7SS523 V3.2 Manual page 145

5.3.7 Settings for the Central Unit
Addr. Setting Title
114 BF BI MODE
115 BF OP MODE
116 BF I<
117 TRIP REP. MODE
118 I> BF
119 I> BF-EF
120 T-BF-1P
121 T-BF-mP
122 T-BF I<
123A T-BF IMP
124 T-BF CB fault
125 T-TRIP repeat
127 T-BF rel sup
128 T-BF 2chan
6106 Tmin TRIP
6320A EF charact.
Setting Options
1-ch w/o sup
1-ch w sup
2-ch w/o sup
2-ch w sup
non existent
external
BZ unbalance
trip rep/unbal
I>query
trip rep/I>quer
ON
OFF
single-channel
3pole
0.10 .. 2.00 I / In
0.05 .. 2.00 I / In
0.05 .. 10.00 s
0.05 .. 10.00 s
0.05 .. 10.00 s
0.05 .. 10.00 s
0.00 .. 10.00 s
0.00 .. 10.00 s
0.02 .. 15.00 s
0.06 .. 1.00 s
0.01 .. 32.00 s
released
blocked
Circuit Breaker Failure Protection
Default Setting
1-ch w sup Binary input mode / supervision
BF
BZ unbalance Operation mode BF
OFF Low-current mode BF
single-channel TRIP repeat mode
0.50 I / In Current threshold for BF
0.25 I / In Current threshold for BF - EF
0.25 s Time delay for BF with 1-pole
faults
0.25 s Time delay for BF with multi-pole
faults
0.25 s Time delay for BF low current
mode
0.50 s Time delay for BF pulse mode
0.10 s Time delay BF after CB fault
0.12 s Time delay for TRIP repeat
15.00 s Supervision bin. input BF-re-
lease
0.06 s Supervision time BF start / re-
lease
0.15 s Minimum duration of TRIP com-
mand
blocked Earth fault characteristic switch-
over
7SS52 V4 Manual
C53000-G1176-C182-1
Comments
129