Sel SEL-351A - Open Interval Timers

6-16 Close and Reclose Logic Date Code 20010307
SEL-351A Instruction Manual
7KHRSHUDWLRQRIWKHVHWLPHUVLVDIIHFWHGE\6(/2*,&FRQWUROHTXDWLRQVHWWLQJVGLVFXVVHGODWHULQ
WKLVVHFWLRQ$OVRVHHWKHVHWWLQJVVKHHWVDWWKHHQGRI6HFWLRQ6HWWLQJWKH5HOD\
Open Interval Timers
7KHUHFORVHHQDEOHVHWWLQJ(GHWHUPLQHVWKHQXPEHURIRSHQLQWHUYDOWLPHVHWWLQJVWKDWFDQEH
VHW)RUH[DPSOHLIVHWWLQJ( WKHILUVWWKUHHRSHQLQWHUYDOWLPHVHWWLQJVLQ7DEOHDUH
PDGHDYDLODEOHIRUVHWWLQJ
,IDQRSHQLQWHUYDOWLPHLVVHWWR]HURWKHQWKDWRSHQLQWHUYDOWLPHLVQRWRSHUDEOHDQG
QHLWKHUDUH
WKHRSHQLQWHUYDOWLPHVWKDWIROORZLW
,QWKHIDFWRU\VHWWLQJVLQ7DEOHWKHRSHQLQWHUYDOWLPHVHWWLQJ2,LVWKHILUVWRSHQLQWHUYDO
WLPHVHWWLQJVHWHTXDOWR]HUR
2,  F\FOHV
7KXVRSHQLQWHUYDOWLPHV2,DQG2,DUHQRWRSHUDEOH,QWKHIDFWRU\VHWWLQJVERWKRSHQ
LQWHUYDOWLPHV2,DQG2,DUHVHWWR]HUR%XWLIWKHVHWWLQJVZHUH
2,  F\FOHV
2,  F\FOHVVHWWRVRPHYDOXHRWKHUWKDQ]HUR
RSHQLQWHUYDOWLPH2,ZRXOGVWLOOEHLQRSHUDWLYHEHFDXVHDSUHFHGLQJRSHQLQWHUYDOWLPHLVVHW
WR]HURLH2, 
,IRSHQLQWHUYDOWLPHVHWWLQJ2,LVVHWWR]HUR2, F\FOHVQRRSHQLQWHUYDO
WLPLQJWDNHVSODFHDQGWKHUHFORVLQJUHOD\LVGHIHDWHG
7KHRSHQLQWHUYDOWLPHUVWLPHFRQVHFXWLYHO\WKH\GRQRWKDYHWKHVDPHEHJLQQLQJWLPHUHIHUHQFH
SRLQW,QWKHDERYHIDFWRU\VHWWLQJVRSHQLQWHUYDOWLPHVHWWLQJ2,WLPHVILUVW,IWKH
VXEVHTXHQWILUVWUHFORVXUHLVQRWVXFFHVVIXOWKHQRSHQLQWHUYDOWLPHVHWWLQJ2,VWDUWVWLPLQJ
,IWKHVXEVHTXHQWVHFRQGUHFORVXUHLVQRWVXFFHVVIXOWKHUHOD\JRHVWRWKH/RFNRXW6WDWH6HHWKH
H[DPSOHWLPHOLQHLQ)LJXUH

)LJXUH5HFORVLQJ6HTXHQFH)URP5HVHWWR/RFNRXW:LWK)DFWRU\6HWWLQJV
6(/
2*,&FRQWUROHTXDWLRQVHWWLQJ67/VWDOORSHQLQWHUYDOWLPLQJFDQEHVHWWRFRQWURORSHQ
LQWHUYDOWLPLQJ>VHH6NLS6KRWDQG6WDOO2SHQ,QWHUYDO7LPLQJ6HWWLQJV6.3DQG67/
UHVSHFWLYHO\ODWHULQWKLVVXEVHFWLRQ@