BLKON
Used to block the autorecloser for 3-phase operation (SMBRREC) function for example, when
certain special service conditions arise. When used, blocking must be reset with BLOCKOFF.
BLOCKOFF
Used to Unblock SMBRREC 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
On
.
RESET
Used to Reset SMBRREC to start condition. Possible Thermal overload Hold will be reset.
Positions, setting On-Off. will be started and checked with set times.
Recommendations for output signals
M12399-46 v7
Please see figure
101, figure 102 and figure 103 and default factory configuration for examples.
SETON
Indicates that Autorecloser for 1/2/3-phase operation (SMBRREC) function is switched on and
operative.
BLOCKED
Indicates that SMRREC function is temporarily or permanently blocked.
ACTIVE
Indicates that SMBRREC is active, from start until end of Reclaim time.
INPROGR
Indicates that a sequence is in progress, from start until reclosing command.
UNSUCCL
Indicates unsuccessful reclosing.
CLOSECB
Connect to a binary output for circuit-breaker closing command.
READY
Indicates that SMBRREC function is ready for a new and complete reclosing sequence. It can be
connected to the zone extension if a line protection should extended zone reach before
automatic reclosing.
1PT1 and 2PT1
Indicates that single-phase or two-phase automatic reclosing is in progress. It is used to
temporarily block an earth-fault and/or pole disagreement function during the single-phase or
two-phase open interval.
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 13 1MRK 511 358-UEN A
Control
250
Application manual
To Next Page
Loading...
