CYG PRS-7367 - Page 129

Protection Functions
PRS-7367 121
SIG
79AR_Trip/TripH
&
SIG
79AR_CB_Open
1
&
79AR_T_Unsuc/ 0
&
0/79AR_T_Unsuc
1
SIG79AR_Unsuccl
SIG79AR_Succl
&
FLG
79AR_WaitNext
&
SIG
79AR_InprogX
FLG
79AR_Op
FLG
Last shot is made
1
FLG79AR_UnsucclLockout
FLG79AR_UnsucclCB
FLG
79AR_UnsucclLockout
FLG
79AR_UnsucclCB
Figure 3.22-8 79AR Success and Unsuccess
3.22.2.6 AR Block and lockout
Beside the above unsuccessful conditions, there are some other block and lockout conditions.
Lockout: 79AR_LockoutAR=1, or the signal 79AR_Unsuccl = 1 and the setting 79AR_UnsucBlk =
1.
SIG
79AR_LockoutAR
1
SET
79AR_UnsucBlk
&
FLG
79AR_Reset
&
FLG79AR_Lockout
SIG
79AR_Trip/TripH
79AR_T_TrFali/ 0
FLG
79AR_UnsucclCB
FLG
79AR_UnsucclLockout
SIG
79AR_Chk_Fail
Figure 3.22-9 Lockout conditions
When BI 79AR_BlockAR=1, or AR is in lockout, the 79AR_Blocked BO is active.