Operating instructions7SV512
V1
89C53000---G1176---C91
General fault annunciations of the device:
S y s t . F l t
System fault with consecutive number
F a u l t
Beginning of fault
I L 1 / I n =
Interrupted fault current of phase L1
I L 2 / I n =
Interrupted fault current of phase L2
I L 3 / I n =
Interrupted fault current of phase L3
D e v . D r o p - o f f
Drop-off of the device, general
Annunciations of circuit breaker failure protection:
B F P B l o c k Breaker failure protection blocked (during fault)
B F P - S t a r t
Initiation of breaker failure protection
B F P - S t a r t . L 1
Initiation of breaker failure protection, CB pole L1
B F P - S t a r t . L 2
Initiation of breaker failure protection, CB pole L2
B F P - S t a r t . L 3
Initiation of breaker failure protection, CB pole L3
B F P T 1 3 p o l e
Delay time T1 after three-pole trip expired
B F P T 1 1 p o l e
Delay time T1 after single-pole trip expired
B F P T 2 C u r r
Delay time T2 with current criterion expired
B F P T 2 B a u x
Delay time T2 with CB auxiliary contact criterion ex-
pired
B F P T 3 B R d e f
Delay time with defective circuit breaker expired
B F P T e n d F a u l
Delay time for end fault protection expired
B F P T r i p L 1
Trip by breaker failure protection caused by failure in
pole L1 (1st stage)
B F P T r i p L 2
Trip by breaker failure protection caused by failure in
pole L2 (1st stage)
B F P T r i p L 3
Trip by breaker failure protection caused by failure in
pole L3 (1st stage)
B F P T r i p L 1 2 3
Trip by breaker failure protection three-pole (1st
stage)
B F P C r o s s T r i p
Trip by breaker failure protection on the local feeder
circuit breaker (1st stage)
B F P T r i p B B
Trip by breaker failure protection to the bus-bar
breakers (2nd stage)
B / F T r a n s T r i p
Transfer trip signal of breaker failure protection
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