2
SPCT 5D54
Auto-reclose relay module
Contents
Features
From one to five successive auto-reclose (AR)
shots selectable
Three internal AR initiation lines from the
overcurrent and earth-fault stages
One external AR initiation line
Auto-reclosing initiated by start and trip signals
Final tripping by the protection or by the auto-
reclose module after a preset time delay
Circuit breaker control over serial port and
optical bus
Digital display of setting values and recorded
values
Setting values to be entered via front panel push-
buttons or a PC
Continuous self-supervision including both soft-
ware and hardware
At an internal fault the self-supervision system
relay operates and the outputs of the module are
blocked
Features .......................................................................................................................... 2
Application ..................................................................................................................... 3
Block schematic diagram
(modified 96-12)
..................................................................... 4
Description of operation ................................................................................................. 6
AR shots and final trip function ................................................................................ 6
Setting instructions .................................................................................................... 6
Initiation of auto-reclosing ........................................................................................ 7
Discriminating time and reclaim time ....................................................................... 8
Final trip function ..................................................................................................... 8
DEF.TRIP alarm ....................................................................................................... 8
Lock-out .................................................................................................................... 8
Interruption of auto-reclosing.................................................................................... 9
Circuit breaker supervision logic ............................................................................... 9
Aids to circuit breaker maintenance ........................................................................... 9
CBFAIL alarm ......................................................................................................... 10
Synchrocheck input ARSYNC................................................................................. 10
Inhibition of circuit breaker closing CINH ............................................................ 10
AR inhibition and interruption input ARINH ....................................................... 10
Recording of auto-reclose operations ....................................................................... 10
Resetting ................................................................................................................. 10
Front panel ................................................................................................................... 11
Operation indicators ..................................................................................................... 12
Settings
(modified 96-12)
.............................................................................................. 13
Configuration switchgroups
(modified 96-12)
.............................................................. 15
Recorded data ............................................................................................................... 19
Main menu and submenus for settings and registers ..................................................... 22
Technical data .............................................................................................................. 24
Event codes ................................................................................................................... 24
Data to be transferred over the serial bus
(modified 96-12)
........................................... 27
Trouble shooting .......................................................................................................... 33
Definitions ................................................................................................................... 35
1MRS 750095-MUM EN
Issued 95-05-05
Modified 96-12-16
Version C (replaces 34 SPCT 7 EN1)
Checked TK
Approved TK
Data subject to change without notice
Summary of Contents for SPAA 341 C /E351
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