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  9. CMA Dishmachines DIFFERENTIALVOLTAGE SENSORBT32i User manual

CMA Dishmachines DIFFERENTIALVOLTAGE SENSORBT32i User manual

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DIFFERENTIAL)VOLTAGE!SENSOR&
BT32i!
USER’S!GUIDE!
!
!
!
!
!
!
!
!
CENTRE FOR MICROCOMPUTER APPLICATIONS
http://www.cma-science.nl
2!|!"#$%&!'&(()*)+,&-.!/0.,-1)!2)+20*!32)*42!56&7)!!
Short!description!
#8)!'&(()*)+,&-.!/0.,-1)!2)+20*!"#$%&!&2!7)2&1+)7!(0*!9)-26*&+1!:0.,-1)2!&+!,8)!*-+1)!
;),<))+! =>??! -+7! >??! 9/@! #8)! 2)+20*! &2! -! 2&1+-.! -9A.&(&)*! <&,8! -! <&7)! (*)B6)+CD!
*-+1)E!<8&C8!C-+!;)!62)7!,0!9)-26*)!29-..!:0.,-1)2!&+!FG!-+7!'G!C&*C6&,2@!!
#8)! 2)+20*! 8-2! 7&(()*)+,&-.! &+A6,2E! <8&C8! 9)-+2! ,8-,! 9)-26*)9)+,2! C-+! ;)! 70+)!
7&*)C,.D!-C*022!C&*C6&,!).)9)+,2!<&,806,!,8)!C0+2,*-&+,2!0(!C0990+!1*06+7&+1@!H,!C-+!
;)! 62)7! ,0! 9)-26*)! A02&,&:)E! -2! <)..! -2! +)1-,&:)! A0,)+,&-.2@! H,! 8-2! ,<0! ;-+-+-! IJ=
99K!A.612!(0*!)-2D!C0++)C,&0+@!
!
#8)! 2)+20*! 2806.7! ;)! C0++)C,)7! A-*-..).! ,0! -! C&*C6&,! ).)9)+,@! H,! 9)-26*)2! ,8)!
A0,)+,&-.!7&(()*)+C)!;),<))+!,8)!/L=!*)7!A.61!-+7!,8)!/=!=!;.-CM!A.61@!#8)!9)-26*)7!
:0.,-1)!10)2!,8*0618!-+! -9A.&(&)*!6+&,!-+7! ,8)! 06,A6,! 0(! ,8)! 2)+20*! &2! -7N62,)7! ,0!
,8)!*-+1)!0(!±O@>/@!#8)!2)+20*!&2!A*0:&7)7!<&,8!0:)*=:0.,-1)!A*0,)C,&0+!-+7!:0.,-1)2!
6A!,0!±>?/!I*).-,)7!,0!1*06+7K!<&..!+0,!7-9-1)!,8)!2)+20*@!H,!+):)*!C-+!;)!62)7!(0*!
8&18)*!:0.,-1)2@!
!
#8)!'&(()*)+,&-.!/0.,-1)!2)+20*!C-+!;)!7&*)C,.D!C0++)C,)7!,0!-+-.01!"#!&+A6,2!0(!,8)!
GPF!&+,)*(-C)2@!#8)!2)+20*!C-;.)!"#!=!HQQQR$SJ!+))7)7!,0!C0++)C,!,8)!2)+20*!,0!-+!
&+,)*(-C)!&2!+0,!26AA.&)7!<&,8!,8)!2)+20*!-+7!8-2!,0!;)!A6*C8-2)7!2)A-*-,).D!IGPF!
F*,&C.)!"#2CTRK@!!
Sensor!recognition!
#8)!'&(()*)+,&-.!/0.,-1)!2)+20*!8-2!-!9)90*D!C8&A!IQQUVWPK!<&,8!&+(0*9-,&0+!-;06,!
,8)! 2)+20*X! &,2! +-9)E! 9)-26*)7! B6-+,&,DE! 6+&,! -+7! C-.&;*-,&0+@! #8*0618! -! 2&9A.)!
A*0,0C0.! ,8&2! &+(0*9-,&0+! &2! *)-7! ;D! ,8)! GPF! &+,)*(-C)2!-+7! ,8)! 2)+20*! &2!
-6,09-,&C-..D!*)C01+&Y)7!<8)+!&,!&2!C0++)C,)7!,0!,8)2)!&+,)*(-C)2@! ! H(! D06*! /0.,-1)!
2)+20*! &2! +0,! -6,09-,&C-..D! 7),)C,)7! ;D! -+! &+,)*(-C)! D06! 8-:)! ,0! 9-+6-..D! 2),! 6A!
D06*!2)+20*!;D!2).)C,&+1!&,!(*09!,8)!G0-C8!Z)+20*![&;*-*D@!!
Calibration!!
#8)! GPF! G6**)+,! 2)+20*! "#$%&! &2! 26AA.&)7! C-.&;*-,)7@! #8)! 06,A6,! 0(! ,8)! 2)+20*! &2!
.&+)-*!<&,8!*)2A)C,!,0!,8)!&+A6,!:0.,-1)@!!#8)!26AA.&)7!C-.&;*-,&0+!(6+C,&0+!&2X! !
/&+!I9/K!\!O]@R%>!^!/06,!I/K!_!?@JO!<8)*)!/&+!\!/L!=!/=!
!
#8)!G0-C8!A*01*-9!-..0<2!2).)C,&+1!,8)!C-.&;*-,&0+!26AA.&)7!;D!,8)!2)+20*!9)90*D!
IQQUVWPK!0*!,8)!C-.&;*-,&0+!2,0*)7!&+!,8)!G0-C8!Z)+20*![&;*-*D@!`0*!;),,)*!-CC6*-CD!
,8)!A*)=7)(&+)7!C-.&;*-,&0+!C-+!;)!28&(,)7@!!
`0*!):)+!90*)!-CC6*-,)!9)-26*)9)+,2!-!+)<!62)*!C-.&;*-,&0+!I-!2,-+7-*7E!2&9A.)!%=
A0&+,!C-.&;*-,&0+K!C-+!;)!A)*(0*9)7!&+!G0-C8!62&+1!M+0<+!:0.,-1)2@!!
!
"#$%&!'&(()*)+,&-.!/0.,-1)!2)+20*!32)*42!56&7)!|!3!
Practical!information!
!
CAUTION:!NEVER!use!high!voltages!or!household!AC.!
•#8)!/0.,-1)!2)+20*!&2!62)7!,0!9)-26*)!,8)!A0,)+,&-.!7&(()*)+C)!;),<))+!,8)!)+72!
0(!-+!).)C,*&C-.!C09A0+)+,!-+7!&2!,8)*)(0*)!C0++)C,)7!-C*022!I&@)@!&+!A-*-..).K!,8)!
C09A0+)+,@!!
•P-M)!26*)!D06!0;2)*:)!,8)!C0**)C,!A0.-*&,D!&@)@!C0++)C,!,8)!;.-CM!.)-7!(*09!,8)!
/0.,-1)!Z)+20*!,0!,8)!+)1-,&:)!,)*9&+-.!0(!,8)!C)..2E!0,8)*<&2)!,8)!2)+20*!<&..!1&:)!
*)-7&+12!<&,8!,8)!<*0+1!2&1+@!!
•#8)!/0.,-1)!Z)+20*I2K!C-+!;)!62)7!&+!C0+N6+C,&0+!<&,8!-!G6**)+,!2)+20*I2K!
-+D<8)*)!&+!-!C&*C6&,@!
Suggested!experiments!!
#8)!'&(()*)+,&-.!/0.,-1)!2)+20*!&2!2A)C&(&C-..D!7)2&1+)7!(0*!-CC6*-,)!9)-26*)9)+,2!0(!
.0<!:0.,-1)2@!H,!C-+!;)!62)7!&+!:-*&062!)aA)*&9)+,2!26C8!-2X!!
•G8-*1&+1!-+7!7&2C8-*1&+1!C-A-C&,0*2E!
•G8-*-C,)*&2,&C2!0(!-!.&18,!;6.;!-+7!-!7&07)E!
•P)-26*)9)+,2!0(!&+,)*+-.!*)20+-+C)!-+7!QP`E!
•P)-26*)9)+,2!&+!2)*&)2!-+7!A-*-..).!).)C,*&C-.!C&*C6&,2E!
•#01),8)*!<&,8!-!G6**)+,!Z)+20*!&,!C-+!;)!62)7!,0!)aA.0*)!,8)!*).-,&0+28&A!
;),<))+!,8)!C6**)+,!-+7!,8)!:0.,-1)!&+!).)C,*&C-.!C&*C6&,2!=!,8)!W8942![-<@!
!
!
!
`&16*)!R@!P)-26*&+1!-!;-,,)*D!:0.,-1)@!
!
`&16*)!%@!P)-26*&+1!,8)!:0.,-1)!76*&+1!
7&2C8-*1&+1!0(!-!C-A-C&,0*@!
4!|!"#$%&!'&(()*)+,&-.!/0.,-1)!2)+20*!32)*42!56&7)!!
Technical!Specifications!
!
Sensor!kind!
F+-.01E!1)+)*-,)2!-+!06,A6,!:0.,-1)!;),<))+!!
=O@>!-+7!O@>!V !
Measurement!range!!
b!>??!9/!I:0.,-1)!;),<))+!&+A6,!,)*9&+-.2K!
Resolution!!
?@$]!9/!
Gain!
R%@]!a!
Calibration!function!
/&+!I9/K!\!O]@R%>!^!/06,!I/K!_!?@JO!
<8)*)!/&+!\!/L!=!/=!
Input!impedance!to!ground!
)-C8!,)*9&+-.!J??!MΩ!!
Input!offset!:0.,-1)!error!
,DA&C-.!!±!?@$!9/!
Common!mode!input!voltage!error!
,DA&C-.!?@R>!9/c/!!I?!_!>??!dYK!!!!!!!!!!!!!!!!!!!!!!!!
Non?linearity!
e!!?@??R!f!
Slew!rate!!
$!/cµ2!I9-a&969!06,A6,!:0.,-1)!:-*&-,&0+K!
Bandwidth!(small!signal)!
R%?!MdY!I=$7"K!
Maximum!common!input!voltage!!
b!>?!/!I9-a@!:0.,-1)!*).-,)7!,0!1*06+7K!
Supply!voltage!
5 V DC
Supply!current!
,DA&C-.!%$!9F!
Connection!
HQQQR$SJ! C0++)C,0*! (0*! "#=HQQQR$SJ!2)+20*!
C-;.)@! Z)+20*! C-;.)! &2! +0,! 7).&:)*)7! <&,8! ,8)!
2)+20*@!
Warranty:!!
#8)! '&(()*)+,&-.! /0.,-1)! 2)+20*! "#$%&! &2! <-**-+,)7! ,0! ;)! (*))! (*09! 7)()C,2! &+!
9-,)*&-.2! -+7! <0*M9-+28&A! (0*! -! A)*&07! 0(! R%! 90+,82! (*09! ,8)! 7-,)! 0(! A6*C8-2)!
A*0:&7)7! ,8-,! &,! 8-2! ;))+! 62)7! 6+7)*! +0*9-.! .-;0*-,0*D! C0+7&,&0+2@! #8&2! <-**-+,D!
70)2!+0,!-AA.D!&(!,8)!2)+20*!8-2!;))+!7-9-1)7!;D!-CC&7)+,!0*!9&262)@!!
!
Note:!This!product!is!to!be!used!for!educational!purposes!only.!It!is!not!appropriate!
for!industrial,!medical,!research,!or!commercial!applications.!!! ! ! !
Rev. 20/11/2014