
Date Code 20010112
Close and Reclose Logic
6-21
SEL-351S Instruction Manual
WKHWUDQVLWLRQRIWKH75,35HOD\:RUGELWIURPORJLFDOWRORJLFDOLQLWLDWHVRSHQLQWHUYDOWLPLQJ
RQO\LIWKH$&<5HOD\:RUGELWLVDWORJLFDO$ ORJLFDORU&< ORJLFDO
,QSXW,1LVDVVLJQHGDVWKHEUHDNHUVWDWXVLQSXWLQWKHIDFWRU\VHWWLQJV$ ,1
7KHFLUFXLWEUHDNHUKDVWREHFORVHGFLUFXLWEUHDNHUVWDWXV$ ORJLFDODWWKHLQVWDQWRIWKH
ILUVWWULSRIWKHDXWRUHFORVHF\FOHLQRUGHUIRUWKH6(/6WRVXFFHVVIXOO\LQLWLDWHUHFORVLQJDQG
VWDUWWLPLQJRQWKHILUVWRSHQLQWHUYDO7KH6(/6LVQRW\HWLQWKHUHFORVHF\FOHVWDWH&<
ORJLFDODWWKHLQVWDQWRIWKHILUVWWULS
7KHQIRUDQ\VXEVHTXHQWWULSRSHUDWLRQVLQWKHDXWRUHFORVHF\FOHWKH6(/6LVLQWKHUHFORVH
F\FOHVWDWH&< ORJLFDODQGWKH6(/6VXFFHVVIXOO\LQLWLDWHVUHFORVLQJIRUHDFKWULS
%HFDXVHRIIDFWRU\VHWWLQJ5,6 $&<VXFFHVVIXOUHFORVHLQLWLDWLRQLQWKHUHFORVHF\FOH
VWDWH&< ORJLFDOLVQRWGHSHQGHQWRQWKHFLUFXLWEUHDNHUVWDWXV$7KLVDOORZV
VXFFHVVIXOUHFORVHLQLWLDWLRQIRUWKHFDVHRIDQLQVWDQWDQHRXVWULSEXWWKHFLUFXLWEUHDNHUVWDWXV
LQGLFDWLRQLVVORZ±WKHLQVWDQWDQHRXVWULSUHFORVHLQLWLDWLRQRFFXUVEHIRUHWKH6(/6VHHVWKH
FLUFXLWEUHDNHUFORVH
,IDIODVKRYHURFFXUVLQDFLUFXLWEUHDNHUWDQNGXULQJDQRSHQLQWHUYDOFLUFXLWEUHDNHURSHQDQG
WKH6(/6FDOOVIRUDWULSWKH6(/6JRHVLPPHGLDWHO\WRORFNRXW
Additional Settings Example
7KHSUHFHGLQJVHWWLQJVH[DPSOHLQLWLDWHVRSHQLQWHUYDOWLPLQJRQULVLQJHGJHRIWKH75,35HOD\
:RUGELW7KHIROORZLQJLVDQH[DPSOHRIUHFORVHLQLWLDWLRQRQWKHRSHQLQJRIWKHFLUFXLWEUHDNHU
3UHVXPHLQSXW,1LVFRQQHFWHGWRDDFLUFXLWEUHDNHUDX[LOLDU\FRQWDFW$ ,1
:LWKVHWWLQJ
5,
$
WKHWUDQVLWLRQRIWKH$5HOD\:RUGELWIURPORJLFDOWRORJLFDOEUHDNHURSHQLQJLQLWLDWHV
RSHQLQWHUYDOWLPLQJ6HWWLQJ5,ORRNVIRUDORJLFDOWRORJLFDOWUDQVLWLRQWKXV5HOD\:RUG
ELW$LVLQYHUWHGLQWKH5,VHWWLQJ>$ 127$@
7KHUHFORVHLQLWLDWHVXSHUYLVLRQVHWWLQJ5,6VXSHUYLVHVVHWWLQJ5,:LWKVHWWLQJV
5,
$
5,6
75,3
WKHWUDQVLWLRQRIWKH$5HOD\:RUGELWIURPORJLFDOWRORJLFDOLQLWLDWHVRSHQLQWHUYDOWLPLQJ
RQO\LIWKH75,35HOD\:RUGELWLVDWORJLFDO75,3 ORJLFDO7KXVWKH75,35HOD\:RUG
ELWKDVWREHDVVHUWHGZKHQWKHFLUFXLWEUHDNHURSHQVLQRUGHUWRLQLWLDWHRSHQLQWHUYDOWLPLQJ
:LWKDORQJHQRXJKVHWWLQJRIWKH0LQLPXP7ULS'XUDWLRQ7LPHU7'85'WKH75,35HOD\
:RUGELWZLOOVWLOOEHDVVHUWHGWRORJLFDOZKHQWKHFLUFXLWEUHDNHURSHQVVHH)LJXUHDQG
)LJXUHLQ
6HFWLRQ7ULSDQG7DUJHW/RJLF
,IWKH75,35HOD\:RUGELWLVDWORJLFDO75,3 ORJLFDOZKHQWKHFLUFXLWEUHDNHURSHQV
ORJLFDOWRORJLFDOWUDQVLWLRQWKHUHOD\JRHVWRWKH/RFNRXW6WDWH7KLVKHOSVSUHYHQWUHFORVH
LQLWLDWLRQIRUFLUFXLWEUHDNHURSHQLQJVFDXVHGE\WULSVH[WHUQDOWRWKHUHOD\
,IFLUFXLWEUHDNHUVWDWXVLQGLFDWLRQ$LVVORZDGGLWLRQDOVHWWLQJFKDQJH8/&/ XQODWFK
FORVHUHIHUWR)LJXUHDQGDFFRPSDQ\LQJH[SODQDWLRQPD\QHHGWREHPDGHZKHQ5,
$8/&/ DYRLGVJRLQJWRORFNRXWSUHPDWXUHO\IRUDQLQVWDQWDQHRXVWULSDIWHUDQDXWR
Summary of Contents for SEL-351S
Page 10: ......
Page 12: ......
Page 32: ......
Page 132: ......
Page 170: ......
Page 174: ......
Page 192: ...5 18 Trip and Target Logic Date Code 20010112 SEL 351S Instruction Manual LJXUH 3277 RJLF ...
Page 197: ...Date Code 20010112 Trip and Target Logic 5 23 SEL 351S Instruction Manual LJXUH 8 RJLF ...
Page 248: ......
Page 330: ......
Page 378: ......
Page 406: ......
Page 486: ......
Page 528: ......
Page 538: ......
Page 546: ......
Page 552: ......
Page 554: ......
Page 568: ......
Page 576: ......
Page 584: ......
Page 618: ......
Page 626: ......