Figure 3-5. reclosing sequences – Basler Electric BE1-79M User Manual
Page 33

9170100990 Rev N
BE1-79M Functional Description
3-9
Figure 3-5. Reclosing Sequences
RECLOSE INITIATED SEQUENCE
RESET
IF
ITEC
S1E
{
1ST
ITEC
IF
S2E
TD1
TRIP
RECL.
{
2ND
S3E
IF
ITEC
TRIP
RECL.
TD2
{
3RD
S4E
ITEC
IF
TD3
RECL.
{
4TH
TRIP
TRIP
ITEC
IF
S5E
5TH
IF
ITEC
S1E
LOCKOUT
BREAKER
CLOSED
BREAKER
OPEN
OPEN
BREAKER
CLOSED
BREAKER
S1E
ITEC
IF
RESET
4TH
S5E
IF
ITEC
TRIP
TRIP
3RD
{
RECL.
TD3
IF
ITEC
S4E
2ND
{
TD2
RECL.
TRIP
ITEC
IF
S3E
1ST
{
RECL.
TRIP
TD1
LOCKOUT
S1E
ITEC
IF
RECLOSE INITIATE SEQUENCE WITH INSTANTANEOUS RECLOSE BYPASS SIGNAL
OPEN
BREAKER
CLOSED
BREAKER
S2E
IF
ITEC
1ST
{
S1E
ITEC
IF
RESET
S1E
ITEC
IF
S5E
IF
ITEC
TRIP
TRIP
3RD
{
RECL.
TD3
IF
ITEC
S4E
2ND
TD2
RECL.
LOCKOUT
TRIP
{
INST.
4TH
PILOT INITIATED SEQUENCE
6-19-91
D741-008
BE1-79M
1
1
1
1
IF CONTROL OUTPUT IS "F" OR "G", ITEC WILL BE OPEN.
TRIP
RECL.
TRIP
RECL.
ITEC = INSTANTANEOUS TRIP ENABLE OUTPUT CONTACTS CLOSED.
S_E =
INST.
TD_
= INSTANTANEOUS RECLOSURE (NO INTENTIONAL DELAY).
= RECLOSURE TIME DELAY SETTING.
= UNKNOWN TIME INTERVAL < RESET TIME SETTING.
INSTANTANEOUS TRIP SWITCH
NOTES:
INST.
2
2
IF RECLOSE TIME DELAY OPTION IS A8, THEN THIS IS PILOT TIME DELAY.