Inputs And Outputs; Ct/Vt Inputs; Binary Inputs - ABB RELION REB500 Technical Manual

Section 5
Bay protection functions
5.8.3

Inputs and outputs

5.8.3.1

CT/VT inputs

• None
5.8.3.2

Binary inputs

Start
Redundant start
Redundant start
Three-phase trip
Redundant three-phase trip
Redundant three-phase trip
General trip
Redundant general trip
Redundant general trip
CB ready for open/close/open cycle
CB2 ready for open/close/open cycle
CB ready for close/open cycle
CB2 ready for close/open cycle
CB open
CB2 open
CB2 preferred circuit-breaker
Synchrocheck
Synchrocheck 2
Dead line
Dead line 2
External blocking input
Conditional blocking input
Manual close blocking input
External synchrocheck bypass
External extension of dead time
Delay from master CB
Block from master CB
Block reclosure by follower (redundant scheme)
External 1P-1P selector for 1st. AR
External 1P-3P selector for 1st. AR
External 1P3P-3P selector for 1st. AR
Ext. 1P3P-1P3P select. for 1st. AR
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.
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1MRK 505 406-UEN B
GUID-8E6CA574-82C1-4527-8C65-CFEF76D88382 v1
GUID-1D0928D6-6742-473B-83D8-FF23EC79F524 v1
(Start)
(Start 2) *)
(Start 3) *)
(Trip CB 3P)
(Trip CB2 3P) *)
(Trip CB3 3P) *)
(Trip CB)
(Trip CB2) *)
(Trip CB3) *)
(CB ready)
(CB2 ready) **)
(CO Ready)
(CO Ready 2) **)
(CB open)
(CB2 open **)
(CB2 Priority) **)
(SynchroChck)
(SynchroChck2) **)
(Dead Line)
(Dead Line2) **)
(ExtBlkAR)
(CondBlkAR)
(Manual Close)
(Ext.SCBypas)
(Extend t1)
(MasterDel)
(MasterUnsucc)
(Inhibit Inp)
(MD1_EXT_1P_1P)
(MD1_EXT_1P_3P)
(MD1_EXT_1P3P_3P)
(MD1_EX_1P3P_1P3P)
Bay protection functions REB500
Technical manual