2SHUDWLQJ LQVWUXFWLRQV
87
9
&*&
6HWWLQJV IRU EDFNXS RYHUFXUUHQW WLPH SURWHFWLRQ DGGUHVV EORFN
7KH EDFNXS RYHUFXUUHQW WLPH SURWHFWLRQ RSHUDWHV
LQGHSHQGHQW RI WKH GLIIHUHQWLDO SURWHFWLRQ $ SUHFRQ
GLWLRQ LV WKDW WKH EDFNXS SURWHFWLRQ KDG EHHQ DOOR
FDWHG XQGHU DGGUHVV %$&.83 2& WR RQH RI
WKH VLGHV RI WKH SURWHFWHG REMHFW RU WR WKH YLUWXDO RE
MHFW UHIHU WR 6HFWLRQ 7KH EDFNXS RYHUFXUUHQW
WLPH SURWHFWLRQ FDQ EH VHW WR EH RSHUDWLYH
21
RU
LQRSHUDWLYH
2))
RU LWV WULS FRPPDQG PD\ EH
EORFNHG ZKLOVW WKH SURWHFWLRQ IXQFWLRQ LV RSHUDWLYH
%/2&. 75,3 5(/
7KLV VHWWLQJ LV FDUULHG RXW LQ DG
GUHVV
7KH SDUDPHWHUV RI WKH EDFNXS RYHUFXUUHQW WLPH SUR
WHFWLRQ DUH VHW LQ EORFN $OO FXUUHQW YDOXHV DUH UH
IHUUHG WR WKH UDWHG FXUUHQW RI WKH SURWHFWHG REMHFW
ZLWK WUDQVIRUPHUV WR WKH UDWHG FXUUHQW RI WKH DV
VLJQHG ZLQGLQJ
$W ILUVW WKH KLJKVHW RYHUFXUUHQW VWDJH ,!! LV VHW XQ
GHU DGGUHVVHV DQG 7KLV VWDJH LV DOZD\V D
GHILQLWH WLPH VWDJH LQGHSHQGHQW RQ ZKLFK FKDUDF
WHULVWLF LV VHW IRU WKH RYHUFXUUHQW VWDJH 2Q WUDQVIRUP
HUV LW LV VHW WR DSSUR[LPDWHO\ WLPHV WKH IDFWRU
X
N
VR WKDW LW GRHV QRW RSHUDWH RQ IDXOWV ZLWKLQ WKH FRQ
QHFWHG QHWZRUN EXW RQO\ RQ IDXOWV ZLWK LQ WKH SUR
WHFWHG ]RQH
7KH RYHUFXUUHQW VWDJH FDQ EH XVHG DV GHILQLWH WLPH
RYHUFXUUHQW SURWHFWLRQ RU LQYHUVH WLPH RYHUFXUUHQW
SURWHFWLRQ 7KLV IXQFWLRQ PRGH FDQ EH VHOHFWHG LQ
DGGUHVV )RU LQYHUVH WLPH D FKRLFH FDQ EH
PDGH EHWZHHQ WKUHH WULSSLQJ WLPH FKDUDFWHULVWLFV
GHILQHG LQ ,(& 7KH SLFNXS YDOXH ,! DG
GUHVV IRU GHILQLWH WLPH RU ,
S
DGGUHVV IRU
LQYHUVH WLPH PXVW EH VHW DERYH WKH PD[LPXP H[
SHFWHG RYHUORDG FXUUHQW DSSUR[LPDWHO\ WLPHV
7KH VHWWLQJ RI WKH GHOD\ WLPHV PXVW EH LQ DFFRUGDQFH
ZLWK WKH JUDGLQJ SODQ RI WKH JDOYDQLFDOO\ LQWHUFRQ
QHFWHG V\VWHP ,I D VWDJH LV QRW WR EH XVHG LWV WLPH
GHOD\ LV VHW WR
*
*HQHUDOO\ LW PXVW EH QRWHG WKDW WKH VHW WLPHV IRU GHIL
QLWH WLPH VWDJHV DUH SXUH GHOD\ WLPHV ZKLFK GR QRW
LQFOXGH WKH LQKHUHQW RSHUDWLRQ WLPH RI WKH SURWHFWLRQ
IXQFWLRQV
% $ & . 8 3
2 9 ( 5 & 8 5 5 ( 1 7
3 5 2 7
%HJLQQLQJ RI EORFN
l%DFNXS RYHUFXUUHQW WLPH SURWHFWLRQl
% $ & . 8 3
2 &
2 ) )
2 1
%DFNXS RYHUFXUUHQW WLPH SURWHFWLRQ FDQ EH
2))
VZLWFKHG RII
RU
21
VZLWFKHG RQ
RU
%/2&. 75,3 5(/
WULS UHOD\ LV EORFNHG EXW WKH
SURWHFWLRQ LV RSHUDWLYH
% / 2 & .
7 5 , 3
5 ( /
+LJKFXUUHQW SLFNXS WKUHVKROG ,!! UHIHUUHG WR WKH
UDWHG FXUUHQW RI WKH SURWHFWHG REMHFW RU ZLQGLQJ
6PDOOHVW VHWWLQJ YDOXH
/DUJHVW VHWWLQJ YDOXH
, ! !
, , Q
,
1 REMHFW
,
1 REMHFW
7 , ! !
V
7LPH GHOD\ IRU WKH KLJKFXUUHQW VWDJH ,!!
6PDOOHVW VHWWLQJ YDOXH
/DUJHVW VHWWLQJ YDOXH
DQG
*
QR WULS ZLWK ,!! VWDJH
V
V
& + $ 5 $ & 7
' ( ) , 1 , 7 (
7 , 0 (
1 2 5 0 $ /
, 1 9 ( 5 6 (
&KDUDFWHULVWLF RI WKH RYHUFXUUHQW VWDJH
9 ( 5 <
, 1 9 ( 5 6 (
( ; 7 5 ( 0 ( / <
, 1 9 ( 5 6
'(),1,7( 7,0(
FKDUDFWHULVWLF
1250$/ ,19(56(
WLPH W\SH $ DFF ,(&
(;75(0(/< ,19(56
H WLPH W\SH & DFF ,(&
9(5< ,19(56(
WLPH W\SH % DFF ,(&
www
. ElectricalPartManuals
. com