Siemens 7SJ511 - Page 113

2SHUDWLQJ LQVWUXFWLRQV6-
9
&*&
 &RPPLVVLRQLQJ XVLQJ SULPDU\ WHVWV
$OO VHFRQGDU\ WHVWLQJ VHWV DQG HTXLSPHQW PXVW EH
UHPRYHG 5HFRQQHFW FXUUHQW DQG YROWDJH WUDQVIRUP
HUV )RU WHVWLQJ ZLWK SULPDU\ YDOXHV WKH SURWHFWHG RE
MHFW PXVW EH HQHUJL]HG
3ULPDU\ WHVWV VKDOO EH SHUIRUPHG RQO\ E\
TXDOLILHG SHUVRQQHO ZKLFK LV WUDLQHG LQ
FRPPLVVLRQLQJ RI SURWHFWLRQ V\VWHPV DQG
IDPLOLDU ZLWK WKH RSHUDWLRQ RI WKH SURWHFWHG
REMHFW DV ZHOO DV WKH UXOHV DQG UHJXODWLRQV
VZLWFKLQJ HDUWKLQJ HWF

:DUQLQJ
 &XUUHQW FLUFXLW FKHFNV
&RQQHFWLRQV WR FXUUHQW WUDQVIRUPHUV DUH FKHFNHG
ZLWK SULPDU\ YDOXHV )RU WKLV SXUSRVH D ORDG FXUUHQW
RI DW OHDVW   RI WKH UDWHG FXUUHQW LV QHFHVVDU\ ,I
WKH PHDVXULQJ FLUFXLW FRQQHFWLRQV DUH FRUUHFW QRQH
RI WKH PHDVXUHG YDOXH PRQLWRULQJ V\VWHPV LQ WKH
UHOD\ ZLOO RSHUDWH ,I D IDXOW LQGLFDWLRQ DSSHDUV WKH
SRVVLEOH FDXVHV FDQ EH IRXQG LQ WKH RSHUDWLRQDO DQ
QXQFLDWLRQV DGGUHVV EORFN 
)RU FXUUHQW VXP HUURUV WKH PDWFKLQJ IDFWRUV 6HF
WLRQ  VKRXOG EH FKHFNHG
,I WKH V\PPHWU\ PRQLWRULQJ DSSHDUV LW LV SRVVLEOH
WKDW DV\PPHWU\ LV LQ IDFW SUHVHQW RQ WKH OLQH ,I WKLV LV
D QRUPDO RSHUDWLRQDO FRQGLWLRQ WKH FRUUHVSRQGLQJ
PRQLWRULQJ IXQFWLRQ VKRXOG EH VHW DW D OHVV VHQVLWLYH
YDOXH 6HFWLRQ 
&XUUHQWV DQG YROWDJHV FDQ EH UHDG RII RQ WKH GLVSOD\
LQ WKH IURQW RU YLD WKH RSHUDWLQJ LQWHUIDFH LQ EORFN 
DQG FRPSDUHG ZLWK WKH DFWXDO PHDVXUHG YDOXHV ,I
VXEVWDQWLDO GHYLDWLRQV RFFXU RU LI WKH XQLW LQGLFDWHV D
FRQVLGHUDEOH HDUWK FXUUHQW WKHQ WKH FXUUHQW WUDQV
IRUPHU FRQQHFWLRQV DUH LQFRUUHFW 6KRUWFLUFXLW WKH
FXUUHQW WUDQVIRUPHUV DQG PDNH FRUUHFWLRQV
1R IXUWKHU WHVWV DUH UHTXLUHG IRU RYHUFXUUHQW WLPH
SURWHFWLRQ WKHVH IXQFWLRQV KDYH EHHQ WHVWHG XQGHU
 WR  )RU FKHFNLQJ WKH WULS FLUFXLWV DW OHDVW
RQH FLUFXLW EUHDNHU OLYH WULS VKRXOG EH SHUIRUPHG UH
IHU WR 6HFWLRQ 
 &KHFNLQJ WKH UHYHUVH LQWHUORFN
VFKHPH LI XVHG
)RU XVH DQG WHVWV RI WKH UHYHUVH LQWHUORFN VFKHPH LW LV
QHFHVVDU\ WKDW DW OHDVW RQH RI WKH ELQDU\ LQSXWV KDV
EHHQ DVVLJQHG WR WKH IXQFWLRQ l!,!! EORFNlDQG
RU IXUWKHU EORFNLQJ LQSXWV :KHQ GHOLYHUHG IURP IDF
WRU\ ELQDU\ LQSXW ,1387  KDV EHHQ DVVLJQHG WR WKLV
IXQFWLRQ
5HYHUVH LQWHUORFNLQJ FDQ EH XVHG LQ lQRUPDOO\ RSHQ
PRGHl LH WKH ,!! VWDJH LV EORFNHG ZKHQ WKH
ELQDU\ LQSXW l!,!! EORFNl LV HQHUJL]HG RU lQRU
PDOO\ FORVHGl PRGH LH WKH ,!! VWDJH LV EORFNHG
ZKHQ WKH ELQDU\ LQSXW l!,!! EORFNl LV GHHQHU
JL]HG 7KH IROORZLQJ SURFHGXUH LV YDOLG IRU lQRUPDOO\
RSHQ PRGHl DV SUHVHW E\ WKH IDFWRU\
7KH SURWHFWLRQ UHOD\ RQ WKH LQFRPLQJ IHHGHU DQG
WKRVH RQ DOO RXWJRLQJ FLUFXLWV PXVW EH LQ RSHUDWLRQ
$W ILUVW WKH DX[LOLDU\ YROWDJH IRU UHYHUVH LQWHUORFNLQJ
VKRXOG QRW EH VZLWFKHG RQ
$SSO\ D WHVW FXUUHQW ZKLFK PDNHV SLFNXS WKH ,!!
VWDJH DV ZHOO DV WKH ,! RU ,
S
VWDJH %HFDXVH RI WKH
DEVHQFH RI WKH EORFNLQJ VLJQDO WKH UHOD\ WULSV DIWHU
WKH VKRUW GHOD\ WLPH 7,!!
&DXWLRQ

7HVW FXUUHQWV ODUJHU WKDQ  WLPHV ,
1
PD\
RYHUORDG DQG GDPDJH WKH UHOD\ LI DSSOLHG
FRQWLQXRXVO\ UHIHU WR 6HFWLRQ  IRU
RYHUORDG FDSDELOLW\ 2EVHUYH D FRROLQJ
GRZQ SHULRG
1RZ VZLWFK RQ WKH GF YROWDJH IRU WKH UHYHUVH LQWHU
ORFNLQJ 7KH WHVW DV GHVFULEHG DERYH LV UHSHDWHG
ZLWK WKH VDPH UHVXOW
6LPXODWH D SLFNXS RQ HDFK SURWHFWLYH GHYLFH RQ DOO
RXWJRLQJ IHHGHUV 6LPXOWDQHRXVO\ D VKRUW FLUFXLW LV
VLPXODWHG RQ WKH LQFRPLQJ IHHGHU DV GHVFULEHG EH
IRUH 7ULSSLQJ QRZ RFFXUV DIWHU WKH GHOD\HG WLPH 7
,! RU DFFRUGLQJ WR 7,S
,I DSSOLFDEOH UHSHDW WHVW IRU WKH HDUWK FXUUHQW VWDJHV
7KHVH WHVWV KDYH VLPXOWDQHRXVO\SURYHG WKDW WKH ZLU
LQJ EHWZHHQ WKH SURWHFWLRQ UHOD\V LV FRUUHFW
www . ElectricalPartManuals . com