Alstom MiCOM P546 - Page 665

Programmable Logic P54x/EN PL/La4
MiCOM P543, P544, P545 & P546 (PL) 7-131
DDB #886
Live Bus
&
&
&
1
1
1
DDB #889
Dead Line
DDB #887
Dead Bus
DDB #888
Live Line
DDB #881
CS1 Enabled
DDB #882
CS2 Enabled
DDB #885
SysSplit Enabled
This logic enables
Check Synchro to
function only for
Live Line / Live
Bus conditions.
DDB #883
Check Sync 1 OK
DDB #884
Check Sync 2 OK
DDB #880
SysChks Inactive
DDB #898
Ctl Check Sync
DDB #899
AR Sys Checks OK
Safety Interlock.
Logic must be
satisfied before any
manual CB closures
can proceed.
DDB #317
Aid 1 Chan Fail
DDB #318
Aid 2 Chan Fail
DDB #047
Input L16
DDB #297
Power Swing
DDB #533
Force 3Pole Trip
DDB #858
AR Force 3 pole
DDB #448
BAR
Default PSL blocks
Auto-reclose if any
aided scheme channel
fails.
DDB #458
Inhibit WI
DDB #311
Signalling Fail
PL