5.8.3
Inputs and outputs
5.8.3.1
CT/VT inputs
GUID-8E6CA574-82C1-4527-8C65-CFEF76D88382 v1
•
None
5.8.3.2
Binary inputs
GUID-1D0928D6-6742-473B-83D8-FF23EC79F524 v1
Start
(Start)
Redundant start
(Start 2) *)
Redundant start
(Start 3) *)
Three-phase trip
(Trip CB 3P)
Redundant three-phase trip
(Trip CB2 3P) *)
Redundant three-phase trip
(Trip CB3 3P) *)
General trip
(Trip CB)
Redundant general trip
(Trip CB2) *)
Redundant general trip
(Trip CB3) *)
CB ready for open/close/open cycle
(CB ready)
CB2 ready for open/close/open cycle
(CB2 ready) **)
CB ready for close/open cycle
(CO Ready)
CB2 ready for close/open cycle
(CO Ready 2) **)
CB open
(CB open)
CB2 open
(CB2 open **)
CB2 preferred circuit-breaker
(CB2 Priority) **)
Synchrocheck
(SynchroChck)
Synchrocheck 2
(SynchroChck2) **)
Dead line
(Dead Line)
Dead line 2
(Dead Line2) **)
External blocking input
(ExtBlkAR)
Conditional blocking input
(CondBlkAR)
Manual close blocking input
(Manual Close)
External synchrocheck bypass
(Ext.SCBypas)
External extension of dead time
(Extend t1)
Delay from master CB
(MasterDel)
Block from master CB
(MasterUnsucc)
Block reclosure by follower (redundant scheme)
(Inhibit Inp)
External 1P-1P selector for 1st. AR
(MD1_EXT_1P_1P)
External 1P-3P selector for 1st. AR
(MD1_EXT_1P_3P)
External 1P3P-3P selector for 1st. AR
(MD1_EXT_1P3P_3P)
Ext. 1P3P-1P3P select. for 1st. AR
(MD1_EX_1P3P_1P3P)
Remark:
*) 2 and 3 denote the inputs of protection functions 2 and 3 or relays 2 and 3 in a redundant protection
scheme.
**) 2 denotes the inputs for CB2 in a duplex scheme.
Section 5
1MRK 505 406-UEN B
Bay protection functions
130
Bay protection functions REB500
Technical manual
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