Sam SAM-III Instructions for use
!"
File: SAM-III Magnetometer Construction.doc, Page 0
SAM-III Construction Manual
Table of Contents
Section Page
I. Description 1
II. General Building Tips 3
III. Separate t e Controller PCB and Keyboard PCB 4
IV. Install Keyboard Components 5
V. Install t e Power Supply Components 7
VI. Test t e Power Supply 11
VII. Install t e Logic Circuits 13
VIII. Install t e Display Components 17
IX. Install t e Ribbon Cables 18
X. Wire t e EIA-232 Serial Port Cable 20
XI. Testing and Adjusting 23
XII. Load t e Microprocessor Operating System Firmware 36
XIII. SAM Display and Keyboard Reference Information 44
XIV. Install t e Controller, Keyboard and LCD in t e Enclosure 47
XV. Magnetometer Sensor Hookup 53
XVI. Magnetometer Sensor Installation 63
XVII. Temperature Sensor 69
XVIII. Circuit Description 71
Appendix Using SysInternals PortMon 77
Document History 80
#$#!
!"%&$#&$" %'(!)#$*&$'+
I. Description
"!# ,-
.&&/ 01/$,&.-&231
,%.-*/&4*$$"&&
&%&$#*
/%%!##%$#&/ "15!%"! *
!"$&!"$&#!'.$#$$"+6(788
$"$*$"$"&!&'!&!#"#*/$
"$%$%
•)""! ±9::::
•!#)+;4
•$%+'4
•$"$$!!&'+63<$!$1
•0&"! &/$1!=4:0, !!.>&&-
•#&&&44!%$
•2&!/!!#"#,&?#/!:***@9A4*9***@4*9A-
•!$!$1./$1#"/
•(! #"#%2&!,#$$4::A&$A$"1'+*:&$
$"1'$/$&4:.-
•"!&"#%&$%!!$&&$#
•%.#"&#!44!%$
•.)+4A&$6:+::,&"&#/%$$&-
•0,"!$!#-)4::++46=
•"#$"/!
•$)
•>)!#/!!/!$1'7"
•)!#/!!/!$1'+:"
•44)0BC
•&$".$!4*+9*9'$@
•2 /&$!)
•&&,(+-
•!/&,(4-
•%.,(-
•0"! /$1!,(=-
•""!$%.)
•DAE
•D
•DBE
•D
#$#!
!"%&$#&$" %'(!)#$*&$'4
&
" &%%$/.&)
+* &&&&
4* &&&"87:9!#!%$%
* &&&%#0,8=3::-%#!"!&
=* !&!#"#,/$#%$"$>!-&$&#"#
""97*#"#.2&&$&#$
9* "!$&0$$."!#/!$.!/!$1&
6* "!$&1 /&.$.#%$# "
8* &&&"#"#,&%$!F#&-
7* !! !!$!!B
C* "!$&$"$%.
%1$"$&#!!!/!*&%$
F#"!$$"$%.&!!!!&#/&B'
1&.&$$&'%$#'1#"&*
!%!!""!$".#&.$/#&.
$"F#.D"*%.#""&&
%.#"#&*
B#!&
% #/#!& #!%)B% #' ##!&%&#!!#!$&
%!!.&&#$#$*.!!! &#$$$%*% #
$/#!&.#%!!.#!' #& #."!&!
$ #$$%%!#*
% #"#$&/#!&",">B0+-. #'"&$$#/&,B-!&
/!&&$/&$#G%#!&$"!&B/
&&/#&%84#*H##!&.$#G& #!#!&&
$*G%!< #!%.&"! &1 /&*%'$GA%
!!%&"! &B"!$!#,">+-*$$
!!&&&!&.%*
NOTICE: All parts in t e SAM-III Kit are new. However, t e reclosable (ziplock) bags olding
t e parts may be recycled. Your kit may include bags wit extraneous writing or stickers on
t em. Ignore any suc markings.
#$#!
!"%&$#&$" %'(!)#$*&$'
II. General Building Tips – READ THIS BEFORE STARTING:
1/#!#$!!$$$#$$F#*!!$"
#! "$""#/#1 /&'.$
H#.!!&&!!#!""! /!&1*#//!&
$#"9::1&!#"/#4:A&$*
B%/! '"% %!!$";%!SAM Kit Parts List.xls
0
" !!& ! /$!&.",%"!'
$$$$-'/$%#!" $!/!"!$/&1"$1%"
&# &&#/!
# ""#/$1/ !
#""!&.1 $!$&&"&$!#*$!'
%#&' !!$&/&%%$#!&*%!!!#.
6/86:/=:!&.&I:*:+*,:*7-*(#%$#$!
,-#:*:+9*,:*=-*&%!&$&&$"/ /#!&.$&/!
"$#!&%!&*&%!&F#&! $"/!
%B&$"&'"$!! % $"/"!$&%!!
!&$"!&#&&"& F#6:E!&J! #
!&. %"
"#$!!&!&+99:KJ#!."#.1
/.!&&!&"*"// "!&$&&
.!#$%!&$F#%$
"F#&%$#$!&/!/%$$*$
$"#"%$"!&&&&'"!$$$11/"&&
00%!!."!$$/%/!!&
$"
&porcupine effect'!!! %#$"$*%!&
!!#"%$"'!&!.%!#$#.$#/#!
!!%$!&/!.B,""! +>+6L+4-
%$"!$$%$#$#!'#% !&/.1!
$& !&?%&/&$!&!&?*0"$&.
$#!"&
!&%$""&*0"#!!!&#%"&
B*"# $"%%&1!&&%%$#!*"! %!&
"! $!""%!&$$"
0#!!,0-&$$#&$1.!!&"!$&&#
/&&$&B!1$
0&/"&&#/&./&$&B
!1$
!$! $$"$1&./&'&$!&'&%
!&!'&$"!&*",!-!&#/&!.@
/!&$&B!1$
!!&$$#&$&#$&$$$,"&&
!##%!-#! /!!&
$"$.!!&!&$$#&$&#$
&$
%&$$#&$&#$&$!!&B'#$"$
.&!B
#$#!
!"%&$#&$" %'(!)#$*&$'=
III. Separate t e Controller PCB and Keyboard PCB
F#&")
Parts list ID
Qty
Description
+
&$$#/&
"$1&1'"&$$#/&,B-"".!!#/!.*
$#!! $%.B?&/ !!/&,./-*!%"%1 /&
&"%$!!*B.&'!&&&!1$&*
B%"!$ $"'$%#!! $#!!/&/.$!!B&
1 /&B.%.#$&!M.*0"/1./&"
.#$#/$#!1!& /&.!!/&&*
%".B'"&$/&&&&.%&""
%!* /!"%#!&.$B/.."$%%.&&$!"
.!$#J&$!"B&$! ?.*
#$#!
!"%&$#&$" %'(!)#$*&$'9
IV. Install t e Keyboard Components
F#&")
Parts lis
t ID
Qty
Description
09
+
0''&
►
A
+
+:
"B&
►
4
'
'=
'9
=
#/#,0-
►&$" "! &$
!!%#"#/#&&0",!1$&-&//$/!$1
/)
!&%#"#/#!1$&%B*:*:+9*,:*=-&
!&& %!&"*"#/#! #%$#&$
,0-1*('%"&%$
"#/#&"!$ !!#%!&*
'"!$%"#/#%#"&'
$*'!&"#/#&.&
"&.!&;.!!$1"#/#*B
#"#/#&%. #$1*%&
%'"! &&?#*(!! '!&
"&&#%"&&&&!!
!&$"!"!$*!!#,-
"/%$"#/#
!&0.!&,$&-!&%/&*%
1 /&.!!/#&"!$!#'/& %0.!!/&
!! *$'0#%!/%0/& %!#
."#/#/&
#/&#"&&.&+:"B&."#,$
"!<!-&%/&*!&""&*)
+:"B&.!'$&%%$*B#!
!"$%&
0#/!$$1!!$"%!$&$$1"! $",0&
B&-
0#/!$$1!!!&
E1 /&B%&#!&!1!1!!#/!.*1 /&B&*
#$#!
!"%&$#&$" %'(!)#$*&$'6
#$#!
!"%&$#&$" %'(!)#$*&$'8
V. Install t e Power Supply Components
F#&")
Parts list ID
Qty
Description
+6
+
'
67++>=.
4
'8
'C
'+1'+>7.,+::+-
4:
'44
4
'414'+>7.
+
'7
'+:
'+:1'+>7.,+::4-
+4
'+=
4
'+:1'+>7.,+::4-
+9
+
'C1'+>7.
'=
'9
'+::1'+
>7.,+::-
6
'++
'+
'+::1'+>7.,+::-
+8
'+7
'4+
'+::1'+>7.,+::-
+C
+
'=8:1'+>7.,=8:-
0+
+
0&'+=::8
►
04
'0
4
0&'+=+=7
►
0=
+
0&'+97+C$1
►
+
'4
'
"$'$$'+::
(
=
'9
'6
"$'$$'+:
:(
8
'7
'C
"$'$$'+::(
+:
'++
'+4
"$'$$'+::(
+9
'+6
'+8
"$'$$'+::(
+7
'4+
4
"$'$
$'+::(
+
'+=
4
"$'!$! $'+:
µ
(>49A►
9
+
A!$'866:'
;
9A#
►
4
+
A!#!87:9'
44:'@9A>+
+
=
=:9>+6*$.'.5#
+
'
'=
A!#!87:9'
C4'@9A>+::
+
+
#/ 'A'
"
G+
+
B
&$1
'7
"
G4
+
B&$1'+:
"
G+
+
!#/!$.!/!$1'7
"
G4
+
!#/!$.!/!$1'+:
"
+
B&'
"'4",+
:
+$%#-
►
+
$$1#
'
"
'/!$1
4
!$1$$'/ "
+
4=E.'+9$!'
+
4=E.'+9$!'
4
31#/'+:!
+
!".?$1'4*+9*9'"!#
►
+
!&$"."!#'4*+
9*9
$".&"
+
+4A0>4::,#""!&$"$$ -
$1
4
+=
":**0,#""!&-
►
$1
4
7
":**0,#""!&-
►
$1
+
+6
":**0,
#""!&-
►
$1
+
+7
"
:*
*0,#""!&-
►
$1
+
6
":**0,#""!&-
►
►&$" "! &$
#$#!
!"%&$#&$" %'(!)#$*&$'7
!!!!!&$"",!1$-&%B&!&/*!
%B.$*GG*
!&!!
!&&&*0&"! &#/!!&.""
*/"&%&&&$$&&#
$"&./B!1$
!&!!+::($$$"$,$"$"! & /
"!$&&$-
!&!#!4*&&'&/&!&4
/& J/&/#4. %/& *!&#!&//44:/
$!%!B.!!&#"*==:&.,#""!&-$$!!
$#/J$..%!.%/%B
!&&$$#!#!+''=&9'/""
*/#!&"%!!9&#!!,0-$1,"-
% #"!#0$1.&$$#'!!.*0$1
#""!&.1*0!!=:"$1%$"$+:*
)6"0$1$/&%7"!$1/ $#&.
!&.!$! $$"$J$"$"! &#/
!!&.""*/1&&%$"$&$
!&'&!!&"*B#"#!!&!
1&.@"!
!&"!#/!!/!$1*! !! <&'1$!
!/!$1"!!!B&
#$#!
!"%&$#&$" %'(!)#$*&$'C
!&/ */ %! . */ !AH&
%!*BAH$%#!&!/ *0$&#$#%$&0
#*)@!%/ ."&&;!
"*H#2$!#&%./ "'.!! &%%"$
/.@&;!*B /F#""&..!%;
!*%B!' /$ !! /&/ ;!
%B*/ !1$$$!B
!&"'4"".&"&?$&&0+*1
#""!&.!$,"!<&-&*!$&#!&/!!&!$
%$. %B
(3(E0'03B0A(;HH
33BH003BBHB3
/!&$".$/!*",% #""!-!&
&1#"./ "$1$$,-%
"$1$$&+
&
&
"
$$*!!/$$$$!
&%$$'/#.$$*
!&..$!&$".?$1.&.
/!.*/"! *)B".$$$$!"!<!$
&/J&."%.*%
$$&!$'"#&"%&%!
"!"@&%$$,&?$
.-&B
$%&".$/!/! B".
"#&"*/"!
0#/!$$1!!$"%!$&$$1"!
$",!$! $$"$'&&'/ -'
!#!&&$$#%""*
0#/!$$1!!!&
% #!!&$1'/#! 9,866:-
"!#&*#!&/!!&
#$#!
!"%&$#&$" %'(!)#$*&$'+:
#$#!
!"%&$#&$" %'(!)#$*&$'++
VI. Test t e Power Supply
".#""! $".& *H#.!!&#/!".#$
#$$".&"/$".#""! *
".&"##$%"/!/$# !! $"! /#!&
"! &&*% #"#$& #.$&",$$#
! -' #$&F#! /&.#%%$$"$ *
".#""! $&"#!&%!!.$$$
#"#!.%)C+8A&$.#&!&
#"#$#)N4::
% ##""! #.$&"#"##/&!CA&$'4::#&!&*0
""..#&&$&"*0#$&".#"#
""! +8A&$.#&!&*87:9&87:9!#!#&
#"#!%9A&$/# ##!&!!.%%+>4*
!! '"#$#&.""! 6:+::,%#!! /#!.$$&-
/# ##!&!!.%%!4*
0$$1 #$&"!&%"! .!/%$$*% #$$
".&"/$1.&' #"//! .!!# /#'%$#'.!!.1*
$!#&"! #&&&,0+-*$"%$!".$$
"*
$+4A&$".#$$!".$$&"!#".
#""! $&"$$"$!*
E#!4:A&$'$$1%!!.!."$#&,%
!!#/!.-*$,/!$1-!&#&&"/#
".",&-!&)
Nominal voltage
Measured range
Remarks
@9A&$
@=*89@9*49A
0&/ 87:987:9
;
9A&$
;
=*89
;
9*49A
0&/ 866:
@A&$
@*4@*=A
./ '!&
@+4A&$
@++@+CA
$#!"#!!:*8A
Input current
+:&$
+:
;
+4
!
)#$."!#/!!/!$1&./%#$"/J
.'$.&1$$
#$#!
!"%&$#&$" %'(!)#$*&$'+4
Reference
ground, 0 v
+5 v (U1)
+5 v (U3)
+5 v (U4)
+3 v
+5 v (U2)
–5 v (U5)
+12 v
0 v
Ground
+12 v dc Output
GND
+12 Vdc Input DC Power Input
–5 V+5 V
%!!!."$%&'".#""! $".1""! *
&$"./%$#O
%!!&$#."$%&'$$1%'!&/&&
%"! $",!$! $$"$'&&'&!#!-*
0$##! #%&"/!*
#$#!
!"%&$#&$" %'(!)#$*&$'+
VII. Install t e Logic Circuits
F#&")
Parts list ID
Qty
Description
+C
'4:
4
"$'44"(
8
'C
4
0
8=3::!$
►
6
+
G44$
►
+
0=:
"$1'/!.
►
+:
+
$"$+6(788
►
P+
+
""!<&&/!$1
►
P4
+
4
"&/!$1
2+
+
&! '9A
►
2+
+
"
$#"!H+8(
►
+
+
A/!
=819:1
4
'
4
A/!+:1
Q+
+
!'+63<>3=C
A
Q4
+
'B8
+
+
"#/#
A+
+
+:
""!<&B&$1
A4
+
=
""!<&B&$1
++
+
"
"'97
►
7
+
!$!$1'84=4+
►
►&$" "! &$
$=:"$1&.$ !$!!$"$
,+C'4:'/44"%-*%$"*%$"$
!!#&"/!.$1./'
&%$$1F#&*!&$1
".!!$&6'1"
"*%"%$"$/$1./'
$ &% $1*"
%"%$"$/$1./'$
$#."!$/&.$"$$//*
&%$1!!$*""&
,&.#$-'$%#!! $#/&#%%
&!$#$/&,!!#-J#// .
&/ $%#!&"/1"!$
#$#*!&$1".!!$
&6
#$#!
!"%&$#&$" %'(!)#$*&$'+=
+
JP1 po arizing
f ange
Po arizing
s ot this side
Po arizing
s ot this side
Re ay K1
!&.&P+&P4*P+"!<%!&&#/
!!&.%!.&"!#/!!/!$1.!!#/*
P4"!4"&&#/!!&."!&&B
!&B&$1A+&A4*"!<"#,$"!<
!-#/&.&=:"$1
!&/!+,=819:1-
!&/!4'&,+:1-
!&"#/#+,. -
$&! 2+&!&."&.&%$ #*!!
&"!&#""!%$*!!#*! !&&
$$!.&"&#$1$1/$1'"! *!$!
B+1! $"&.+B!!#/J
! #/&.&="&*! !$1&2+
B!1$/#! +/!
!&6,G44-'8,8=3::-'7,84=4+-'C,8=3::-'++,97-&2+
,H+8(-&Q4J$&"!&%$.!1$
B*H+8('2+'&"!&."+*/#!&"%
!!0$1,#""!&-!&&$! BJ%'!!
.
!&$$$"$+C&4:*% #&&% =:"0$1/ $#
./'/&$"$%!B. %$ !!$&!&
$1/%$ !,Q+-*%&#!.%'$#%
"$%""*.%""$ !!!/B&"%
#$$*!&$ !Q+*0$ !$#!&/&&
!!$!!B!&&*
Indentation
Polarity indicator
#$#!
!"%&$#&$" %'(!)#$*&$'+9
!!=:"$"$+:,+6(788-$1*!!!!% ##&
$1*B $%#!/&".$1,F#
/&"#&/& -*$"$.&!&/""
%$&"!*
)""&.!&/!!. %/& *B%
"$1$%#!! /&!& !
/& *&'"/&&! &%."%!'
#%$*%#!! /& .&"%.&"
#%! /!/& *(!"&"&*
0#/!$$1!!$"%!$&$$1"! $",!$! $
$"$'&&'/ -'!#!&&$$#%""*
0#/!$$1!!!&%/&'&$!&!&?
$!!/&#!&.!1!"$#/!.,$" !1!!
&%%-*$!!B&/#&$&#$#%$*
#$#!
!"%&$#&$" %'(!)#$*&$'+6
#$#!
!"%&$#&$" %'(!)#$*&$'+8
VIII. Install t e Display Components
F#&")
Parts list ID
Qty
Description
0+
+
0"! &#!,0-
A+
+
=
"B
&
0&#!""&.="B&//$/!$$!&
!!&*%'.&"%="&.!!%+6!
B*!!#/*#!!"%/$1,B-&
!$0&#!%$!.&"! %$&.
="&.$"!<!%$#*E""!
&'$#%%".!!/&&!%0&#!'&.%"$!
"!<!.!!/&&*!!#/!.
%#!! !&+6"
!!"&$$#/&.&*
#$#!
!"%&$#&$" %'(!)#$*&$'+7
IX. Install t e Ribbon Cables
F#&")
Parts list ID
Qty
Description
E4
+
=//$/!'+:
+9$!
E
+
+://$/!'+:
+9$!
P4
'P4B
4
=
"//$/!#$$.!%
P
'PB
4
+:
"//$/!#$$.!%
.//$/!'.+:$&#$&.=$&#$' F#
/! $$!& !!&*%$$!&
!!&'/!.$/!.$$$&*!&$&#$.
"+/$$
!!#/!.)
,!%-+:$/!..&$&#$"
,-$"&%.."%"++:"$$*%&
!"1&%%$$/##/$/.#
% !*="$$$%#
$/!/.$/!$!"&$$/& .&$&#$
&."+!$&*F#<$!"&/& !!*%$ '
$%$.&.&1"%$$*B$%#!!
$/!!$!"&/& *%/! '$/!.</!&
// 1%
%$$!!&'%!&$/!"%$$&"
!%"!$
Table of contents
Other Sam Measuring Instrument manuals
Popular Measuring Instrument manuals by other brands
Lovato
Lovato DMG800 installation manual
Siemens
Siemens SITRANS LR 400 instruction manual
Keysight Technologies
Keysight Technologies IntegraVision PA2200 Series Operating and service guide
Maven
Maven RF Series user manual
AEMC
AEMC JM861 user manual
Micro Motion
Micro Motion CDM100P Configuration and Use Manual
STAUFF
STAUFF LPM-II-plus manual
Rupprecht & Patashnick
Rupprecht & Patashnick PARTISOL-PLUS 2025 operating manual
Votronic
Votronic 1256 Installation and operating manual
Thermo Scientific
Thermo Scientific Thermo Scientific AquaSensors RDO Pro-X manual
GTS
GTS SWR ENGINEERING ProSens operating instructions
CYP
CYP CPHD-V4 Operation manual
