, AF%G$'F,E)*H)I, ,,JA,1:0,DE,
5FG,8,,0:.02.02,..,A?, 240221L8,
XP,
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P, <B6=5W,
6.1 THEORY 1. OPERATION OF BOOM LENGTH SENSOR
,
<#F,&S&QF(,&F*&+%&,a%+G$`F,),X,Q+,;0(8,+HQaHQj,#+!FGF%N,`HF,Q+,
),_$eF`,%F&$&Q+%,'$%'H$Q,$*,Q#F,'F*Q%)I,H*$QN,Q#F,$*aHQ,&$R*)I,')*,MF,
(F)&H%F`,H&$*R,)((FQF%,g'H%%F*Qh,+%,G+IQ(FQF%,gG+IQ)RFh",<#F,
$*aHQ,&$R*)I,+aF%)Q$*R,!$*`+!,$&,X,Q+,;0(8N,(F)&H%F`,$*,&F%$F&,)Q,
Q#F,)*)I+R,$*aHQ,QF%($*)I,=5,2"2,Q+,:":7N,(F)&H%F`,$*,a)%)IIFI,
MFQ!FF*,Q#F,)*)I+R,$*aHQ,)*`,R%+H*`,gD/Jh,QF%($*)I&",8Q,X(8,Q#F,
G+IQ)RF,$&,2"27,)*`,)Q,;0(8,Q#F,G+IQ)RF,$&,:":7",V#F*,
Q%+HMIF&#++Q$*R,Q#$&,&S&QF(N,),'H%%F*Q,+%,G+IQ)RF,*FF`&,Q+,MF,
(F)&H%F`,Q+,`FQF%($*F,Q#F,&Q)QH&,+%,'+*`$Q$+*,+_,Q#F,&F*&+%",
Measuring current:
<#F,)((FQF%,,,,,,,$&,H&F`,Q+,(F)&H%F,'H%%F*Q,)Q,Q#F,IF*RQ#,$*aHQ,
&$R*)I",5F(+GF,Q#F,!$%F,_%+(,n2^;O,QF%($*)I,$*,Q#F,'F*Q%)I,H*$Q,)*`,
(F)&H%F,Q#F,'H%%F*Q,!$Q#,Q#F,)((FQF%,$*,&F%$F&",<#F,(F)&H%F(F*Q,&#+HI`,
MF,,MFQ!FF*,X"";0(8",
,
Measuring voltage:
<#F,G+IQ(FQF%,,,,,,,,,$&,H&F`,Q+,(F)&H%F,G+IQ)RF,MFQ!FF*,a$*&,n2^;O,gIF*RQ#,
&$R*)Ih,)*`,n2^;Z,gR*`h,+*,Q#F,()$*,M+)%`,g0;X31:;31003002,,.,,
4111201;ZOh",<#F,%F&$&Q+%&,)%F,Q#F%F,Q+,&#+!,Q#)Q,)Q,X(8,Q#F,G+IQ)RF,$&,
2"27,MF')H&F,'H%%F*Q,(HIQ$aI$F`,!$Q#,%F&$&Q)*'F,FbH)I&,G+IQ)RFj,Q#F%F_+%FN,
X(8,e,;O:,+#(&,gQ+Q)I,%F&$&Q)*'Fh,p,2"27",
8,
7,
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