ABB REL650 Applications Manual page 319

1MRK 506 334-UUS A
Application manual
BLOCKOFF
Used to Unblock SMBRREC (79) function when it has gone to Block due to activating
input BLKON or by an unsuccessful Auto-Reclose attempt if the settingBlockByUnsucCl
is set to Enabled. Input is normally set to FALSE.
RESET
Used to Reset SMBRREC (79) to start condition. Possible Thermal overload Hold will be
reset. Positions, setting On-Off. will be started and checked with set times. Input is
normally set to FALSE.
Recommendations for output signals
Please see figure 139.
SETON
Indicates that Autorecloser for 3-phase operation (SMBRREC ,79) function is switched
on and operative.
BLOCKED
Indicates that SMRREC (79) function is temporarily or permanently blocked.
ACTIVE
Indicates that SMBRREC (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.
CLOSECMD
Connect to a binary output for circuit-breaker closing command.
READY
Indicates that SMBRREC (79) 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.
3PT1,-3PT2,-3PT3,-3PT4 and -3PT5
Indicates that three-phase automatic reclosing shots 1-5 are in progress. The signals can
be used as an indication of progress or for own logic.
Section 11
Control
313