Sel SEL-351A - Set an Output Contact for Tripping; All SELogic Control Equations Must Be Set; Set SELogic Control Equations Directly to 1 or 0; Set SELogic Control Equations Directly to 1 or 0-Example

Date Code 20010307 Setting SELOGIC
®
Control Equations G-9
SEL-351A Instruction Manual
:KHQVKRW 6+ DQGWKHUHVXOWLV
75 37*736+   
DQGDWLPHGHOD\HGWULSUHVXOWVIURPUHVLGXDOJURXQGWLPHRYHUFXUUHQWHOHPHQW*7
Set an Output Contact for Tripping
7RDVVHUWRXWSXWFRQWDFW287WRWULSDFLUFXLWEUHDNHUPDNHWKHIROORZLQJ6(/
2*,&FRQWURO
HTXDWLRQRXWSXWFRQWDFWVHWWLQJVHH2XWSXW&RQWDFWVLQ6HFWLRQ,QSXWV2XWSXWV7LPHUVDQG
2WKHU&RQWURO/RJLF
287 75,3
All SEL
OGIC Control Equations Must Be Set
$OO6(/
2*,&FRQWUROHTXDWLRQVPXVWEHVHWRQHRIWKHIROORZLQJZD\VWKH\FDQQRWEH³EODQN´
 6LQJOH5HOD\:RUGELWHJ$ ,1
 &RPELQDWLRQRI5HOD\:RUGELWVHJ75 37*736+
 'LUHFWO\WRORJLFDOHJ37& 
 'LUHFWO\WRORJLFDOHJ75&200 
Set SEL
OGIC Control Equations Directly to 1 or 0
6(/
2*,&FRQWUROHTXDWLRQVFDQEHVHWGLUHFWO\WR
ORJLFDO RU ORJLFDO
LQVWHDGRIZLWK5HOD\:RUGELWV,ID6(/
2*,&FRQWUROHTXDWLRQVHWWLQJLVVHWGLUHFWO\WRLWLV
DOZD\V³DVVHUWHGRQHQDEOHG´,ID6(/
2*,&FRQWUROHTXDWLRQVHWWLQJLVVHWHTXDOWRLWLVDOZD\V
³GHDVVHUWHGRIIGLVDEOHG´
1RWH6(/
2*,&FRQWUROHTXDWLRQWRUTXHFRQWUROVHWWLQJVHJ37&37&FDQQRWEHVHW
GLUHFWO\WRORJLFDO
8QGHUWKH6+2&RPPDQG6KRZ9LHZ6HWWLQJVLQ6HFWLRQ6HULDO3RUW&RPPXQLFDWLRQV
DQG&RPPDQGVQRWHWKDWDQXPEHURIWKHIDFWRU\6(/
2*,&FRQWUROHTXDWLRQVHWWLQJVDUHVHW
GLUHFWO\WRRU
7KHLQGLYLGXDO6(/
2*,&FRQWUROHTXDWLRQVHWWLQJVH[SODQDWLRQVUHIHUHQFHGLQ6HWWLQJV6KHHWV
WKURXJKDWWKHHQGRI6HFWLRQ6HWWLQJWKH5HOD\GLVFXVVZKHWKHULWPDNHVORJLFDOVHQVHWR
VHWWKHJLYHQ6(/
2*,&FRQWUROHTXDWLRQVHWWLQJWRRUIRUFHUWDLQFULWHULD
Set SEL
OGIC Control Equations Directly to 1 or 0—Example
2IVSHFLDOFRQFHUQDUHWKH6(/
2*,&FRQWUROHTXDWLRQWRUTXHFRQWUROVHWWLQJV37&WKURXJK
47&IRUWKHRYHUFXUUHQWHOHPHQWV,QWKHIDFWRU\VHWWLQJV
WKH6(/$5HOD\VKLSVZLWKLQD
VWDQGDUGUHOD\VKLSPHQWWKHVHDUHDOOVHWGLUHFWO\WRORJLFDO6HHWKHVHIDFWRU\VHWWLQJVLQ6+2
&RPPDQG6KRZ9LHZ6HWWLQJVLQ6HFWLRQ6HULDO3RUW&RPPXQLFDWLRQVDQG&RPPDQGV