ABB REL650 Applications Manual page 337

1MRK 506 334-UUS A
Application manual
BLKON
Used to block the Auto-Reclosing function for example, when certain special service
conditions arise. Input is normally set to FALSE. When used, blocking must be reset with
BLOCKOFF.
BLOCKOFF
Used to Unblock the Auto-Reclosing function when it has gone to Block due to activating
input BLKON or by an unsuccessful Auto-Reclose attempt if the setting BlockByUnsucCl
is set to Enabled. Input is normally set to FALSE.
RESET
Used to Reset the Auto-Recloser to start condition. Possible Thermal overload Hold and
so on will be reset. Positions, setting Enabled-Disabled and so on will be started and
checked with set times. Input is normally set to FALSE.
Recommendations for output signals
SETON
Indicates that the auto-reclose function is switched ON and operative.
BLOCKED
Indicates that the auto-reclose function is temporarily or permanently blocked.
ACTIVE
Indicates that STBRREC (79) is active, from start until end of reset time.
INPROGR
Indicates that a sequence is in progress, from start until reclosing command.
UNSUCCL
Indicates unsuccessful reclosing.
CLOSEDCMD
Connect to a binary output for circuit-breaker closing command.
READY
Indicates that the Auto-reclosing function is ready for a new and complete reclosing
sequence. It can be connected to the zone extension of a line protection should extended
zone reach before automatic reclosing be necessary.
Section 11
Control
331