EasyManua.ls Logo

Sel SEL-351A - Unlatch Trip With 52 b Circuit Breaker Auxiliary Contact; Program an Output Contact for Tripping; Switch-Onto-Fault (SOTF) Trip Logic

Sel SEL-351A
520 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
5-6 Trip and Target Logic Date Code 20010307
SEL-351A Instruction Manual
Unlatch Trip With 52b Circuit Breaker Auxiliary Contact
$EFLUFXLWEUHDNHUDX[LOLDU\FRQWDFWLVZLUHGWRRSWRLVRODWHGLQSXW,1
$ ,1 6(/
2*,&FRQWUROHTXDWLRQFLUFXLWEUHDNHUVWDWXVVHWWLQJ²VHH
2SWRLVRODWHG,QSXWVLQ6HFWLRQ,QSXWV2XWSXWV7LPHUVDQG
2WKHU&RQWURO/RJLF
8/75 ,1
,QSXW,1PXVWEHHQHUJL]HGEFLUFXLWEUHDNHUDX[LOLDU\FRQWDFWKDVWREHFORVHGEHIRUHWKH
WULSORJLFXQODWFKHVDQGWKH75,35HOD\:RUGELWGHDVVHUWVWRORJLFDO
Program an Output Contact for Tripping
,QWKHIDFWRU\VHWWLQJVWKHUHVXOWDQWRIWKHWULSORJLFLQ)LJXUHLVURXWHGWRRXWSXWFRQWDFW
287ZLWKWKHIROORZLQJ6(/2*,&FRQWUROHTXDWLRQVHWWLQJ
287 75,3
,IPRUHWKDQRQH75,3RXWSXWFRQWDFWLVQHHGHGSURJUDPRWKHURXWSXWFRQWDFWVZLWKWKH75,3
5HOD\:RUGELW([DPSOHVRIXVHVIRUDGGLWLRQDO75,3RXWSXWFRQWDFWV
7ULSSLQJPRUHWKDQRQHEUHDNHU
.H\LQJDQH[WHUQDOEUHDNHUIDLOXUHUHOD\
.H\LQJFRPPXQLFDWLRQVHTXLSPHQWLQD'LUHFW7UDQVIHU7ULSVFKHPH
6HH2XWSXW&RQWDFWVLQ6HFWLRQ,QSXWV2XWSXWV7LPHUVDQG2WKHU&RQWURO/RJLFIRUPRUH
LQIRUPDWLRQRQSURJUDPPLQJRXWSXWFRQWDFWV
SWITCH-ONTO-FAULT (SOTF) TRIP LOGIC
6ZLWFK2QWR)DXOW627)WULSORJLFSURYLGHVDSURJUDPPDEOHWLPHZLQGRZIRUVHOHFWHG
HOHPHQWVWRWULSULJKWDIWHUWKHFLUFXLWEUHDNHUFORVHV³6ZLWFKRQWRIDXOW´LPSOLHVWKDWDFLUFXLW
EUHDNHULVFORVHGLQWRDQH[LVWLQJIDXOWFRQGLWLRQ)RUH[DPSOHVXSSRVHVDIHW\JURXQGVDUH
DFFLGHQWDOO\OHIWDWWDFKHGWRDOLQHDIWHUDFOHDUDQFH,IWKHFLUFXLWEUHDNHULVFORVHGLQWRVXFKD
FRQGLWLRQWKHUHVXOWLQJIDXOWQHHGVWREHFOHDUHGULJKWDZD\DQGUHFORVLQJEORFNHG$Q
LQVWDQWDQHRXVRYHUFXUUHQWHOHPHQWLVXVXDOO\VHWWRWULSLQWKHWKUHHSROHRSHQ32ORJLFDQGWKH
627)WULSORJLF
5HIHUWRWKHVZLWFKRQWRIDXOWWULSORJLFLQ)LJXUHWRSRIILJXUH7KH627)WULSORJLFSHUPLWV
WULSSLQJLIERWK
WKHIROORZLQJRFFXU
$QHOHPHQWDVVHUWVLQ6(/2*,&FRQWUROHTXDWLRQWULSVHWWLQJ75627)
5HOD\:RUGELW627)(LVDVVHUWHGWRORJLFDO
5HOD\:RUGELW627)(WKHRXWSXWRIWKH627)ORJLFSURYLGHVWKHHIIHFWLYHWLPHZLQGRZIRUDQ
HOHPHQWLQWULSVHWWLQJ75627)HJ75627) 3WRWULSDIWHUWKHFLUFXLWEUHDNHUFORVHV
)LJXUHDQGWKHIROORZLQJGLVFXVVLRQGHVFULEHWKHWKUHHSROHRSHQ32ORJLFDQGWKH627)
ORJLF

Table of Contents

Related product manuals