Schweitzer Engineering Laboratories SEL-351S - Settings and General Operation; For Most Applications (Top of Figure€6.5); For A Few, Unique Applications (Bottom of Figure€6.5 and Figure€6.6)

Date Code 20010112 Close and Reclose Logic 6-9
SEL-351S Instruction Manual
Settings and General Operation
)LJXUHFRQWDLQVWKHIROORZLQJ6(/
2*,&FRQWUROHTXDWLRQVHWWLQJ
&/6 UHFORVHVXSHUYLVLRQFRQGLWLRQV±FKHFNHGDIWHUUHFORVLQJUHOD\RSHQLQWHUYDOWLPH
RXW
DQGVHWWLQJ
&/6' 5HFORVH6XSHUYLVLRQ/LPLW7LPH
6HHWKHVHWWLQJVVKHHWVDWWKHHQGRI6HFWLRQ6HWWLQJWKH5HOD\IRUVHWWLQJUDQJHV
For Most Applications (Top of Figure 6.5)
)RUPRVWDSSOLFDWLRQVWKH5HFORVH6XSHUYLVLRQ/LPLW7LPHVHWWLQJVKRXOGEHVHWWR]HURF\FOHV
&/6'  
:LWKWKLVVHWWLQJWKHORJLFLQWKHWRSRI)LJXUHLVRSHUDWLYH:KHQDQRSHQLQWHUYDOWLPHVRXW
WKH6(/
2*,&FRQWUROHTXDWLRQUHFORVHVXSHUYLVLRQVHWWLQJ&/6LVFKHFNHGMXVWRQFH
,I&/6LVDVVHUWHG
WRORJLFDODWWKHLQVWDQWRIDQRSHQLQWHUYDOWLPHRXWWKHQWKHQRZ
TXDOLILHGRSHQLQWHUYDOWLPHRXWZLOOSURSDJDWHRQWRWKHILQDOFORVHORJLFLQ)LJXUHWR
DXWRPDWLFDOO\UHFORVHWKHFLUFXLWEUHDNHU
,I&/6LVGHDVVHUWHGWRORJLFDODWWKHLQVWDQWRIDQRSHQLQWHUYDOWLPHRXWWKHIROORZLQJ
RFFXUV
 1RDXWRPDWLFUHFORVLQJWDNHVSODFH
 5HOD\:RUGELW5&6)5HFORVH6XSHUYLVLRQ)DLOXUHLQGLFDWLRQDVVHUWVWRORJLFDOIRU
RQHSURFHVVLQJLQWHUYDO
 7KHUHFORVLQJUHOD\LVGULYHQWRWKH/RFNRXW6WDWH
6HH)DFWRU\6HWWLQJV([DPSOHDQG$GGLWLRQDO6HWWLQJV([DPSOHWKDWIROORZLQWKLVVXEVHFWLRQ
For A Few, Unique Applications (Bottom of Figure 6.5 and Figure 6.6)
)RUDIHZXQLTXHDSSOLFDWLRQVWKH5HFORVH6XSHUYLVLRQ/LPLW7LPHVHWWLQJLVQRW
VHWHTXDOWR]HUR
F\FOHV
HJ&/6' 
:LWKWKLVVHWWLQJWKHORJLFLQWKHERWWRPRI)LJXUHLVRSHUDWLYH:KHQDQRSHQLQWHUYDOWLPHV
RXWWKH6(/
2*,&FRQWUROHTXDWLRQUHFORVHVXSHUYLVLRQVHWWLQJ&/6LVWKHQFKHFNHGIRUDWLPH
ZLQGRZHTXDOWRVHWWLQJ&/6'
,I&/6DVVHUWV
WRORJLFDODWDQ\WLPHGXULQJWKLV&/6'WLPHZLQGRZWKHQWKHQRZ
TXDOLILHGRSHQLQWHUYDOWLPHRXWZLOOSURSDJDWHRQWRWKHILQDOFORVHORJLFLQ)LJXUHWR
DXWRPDWLFDOO\UHFORVHWKHFLUFXLWEUHDNHU