ABB REC650 Technical Manual page 240

Section 10
Control
234
initiate
AND
block start
UnsucClByCBchk = CBcheck
Pulse SMBRREC
OR
(Closing)
AND
CBPOS CBclosed
IEC09000203 V1 EN
Figure 106: Issue of signal UNSUCCL, unsuccessful reclosing
Automatic continuation of the reclosing sequence
The auto-reclosing function can be programmed to proceed to the following reclosing
shots (if selected) even if the start signals are not received from the protection
functions, but the breaker is still not closed. This is done by setting parameter
AutoCont = On and tAutoContWait to the required delay for the function to proceed
without a new start.
CLOSECB
CBClosed
CBPOS
START
IEC05000787 V1 EN
Figure 107: Automatic proceeding of shot 2 to 5
Start of reclosing from CB open information
If a user wants to apply starting of auto-reclosing from CB open position instead of
from protection trip signals, the function offers such a possibility. This starting mode
is selected by a setting parameter StartByCBOpen = On. One needs then to block
reclosing at all manual trip operations. Typically, one also set CBAuxContType =
OR
AND S
shot 0
R
tUnsucCl
AND
t
IEC09000203_1_en.vsd
AND
AND
OR
1MRK 511 287-UEN A
UNSUCCL
tAutoContWait
t
AND
S Q
R
OR
Technical manual
initiate
en05000787.vsd