ABB Relion 670 Series Technical Reference Manual page 321

1MRK 505 208-UEN B
pulse
initiate
1PT1
2PT1
3PT1
3PT2
3PT3
3PT4
3PT5
RSTCOUNT
**) Only if "CutPulse" = On
IEC05000785 V1 EN
Figure 157: Pulsing of closing command and driving the operation counters
Technical reference manual
CutPulse=On. In case of a new trip pulse, the closing command pulse is cut
(interrupted). The minimum duration of the pulse is always 50 ms. See figure
When a reclosing command is issued, the appropriate reclosing operation counter is
incremented. There is a counter for each type of reclosing and one for the total
number of reclosing commands issued.
tPulse
AND
**)
50 ms
Transient fault
After the reclosing command the reclaim timer tReclaim starts running for the set
time. If no tripping occurs within this time, the auto-reclosing will reset.
Permanent fault and reclosing unsuccessful signal
If a new trip occurs after the CB closing command, and a new input signal START
or TRSOTF appears, the output UNSUCCL (unsuccessful closing) is set high. The
timers for the first shot can no longer be started. Depending on the setting for the
number of reclosing shots, further shots may be made or the reclosing sequence
OR
AND
counter
AND
counter
AND
counter
AND
counter
AND
counter
AND
counter
AND
counter
counter
Section 11
Control
157
CLOSECB
COUNT1P
COUNT2P
COUNT3P1
COUNT3P2
COUNT3P3
COUNT3P4
COUNT3P5
COUNTAR
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