Dil ID: 10
Dil Adı: spain
Dil Kodu: es7tayfun Productos de la Marca Magnat Audio
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Elektronik Bilgi Kütüphanesi



Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois 60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.com
Standard Keypads
Keyboards and Keypads
ORIENTATION OF MODULES
A module, dependingon circuitry, may notbe
symmetrical. Rotating it 180° will result in a
different pin location. Please note the button
PRINTED CIRCUIT BOARD LAYOUT
Thislayoutprovidesthe horizontalprinted circuit boardlayout asviewed fromthetop sideof
thePCboard.Turningendtoendwillresultinadifferentpinlocation.However,thedimensional
relationshipwillremainthesame.
Lightable Modules–perdrawingbelow.
Thisdrawingindicatesthelayouttobeusedfora6buttonmodulewithlightsourcesmounted
twoways:thelampsfortheupper3buttonsaremountedfromthetoporcomponentsideofthe
board,andthelampsforthelower3buttonsaremountedbytheeasyreplacementmethod.(See
alsoLightSourceandLampMounting.)Lightsources,whenmountedfromthetopsideofthe
board,mustbemountedbeforethekeyboardmodules;whenmounted,lampshouldextendno
morethan.250"(6,35mm)abovetheboard.
Unlighted Module Lightable Module
identication, the pin location for the desired
circuitry, and the direction of mounting. It
is important to use this information when
designing a printed circuit board layout and
whencommunicatingwithGrayhill.SeeOrdering
Information–SpecialKeyboardModulesonthe
nextpage.
C
L
C
L
C
L
C
L
.687±.003
(17,45±0,08)
.687±.003
(17,45±0,08)
.270±.003
(6,86±0,08)
.112
±.003
(28,45
±0,08)
TYP.
HOLETO
ACCOMMODATE
.032(0,81)DIA.
PIN
.170(4,32)
RECOMMENDED
DIA.HOLE
ACCOMMODATES
LAMPINEASY
REPLACEMENT
MOUNTING
DIMENSIONSAREDEPENDENTON
LAMPSOURCE.APPROXIMATELY
.020(0,51)AND.100(2,54)APART
FORAT-1LAMPORLED
CIRCUIT DIAGRAMS
Thebottomviewofthelinedrawingsshows
number(A1,A2,etc.)nexttothepinlocations
of each switch section. These pin numbers
are directly related to the circuit diagrams.
Forexample,iftheswitchunderButtonAofa
standardmodulewereSPST,thepinswould
belocatedatthe"#2"Position.Ifthemodule
werealightableonewithSPSTcircuitry,the
pinswouldbelocatedatthe"#1"Position.If
otherlocationsaredesired,specifythem.
The coded circuits shown are suggested
possibilities and each button may carry a
differentcircuit.Locationofactivepinsoneach
buttonmaybevariedtoconformwithlayoutof
theprintedcircuitboard.Uptoa7-bitcodeis
possibleundereachbutton.
Combinations of simple circuitries are also
possibleasshowninthesamplediagrams.
Standard Modules Lightable Modules
Coded Circuitry–To 7 Bits/Button
Other Possible Circuit Configurations
22
3
2
3
2
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
1
1
4
1
4
C C C C C C
C C C
C
SPST
2PST 3PST
4PST
SPST 2PST
Note:Codedswitchesareconstructedsothatcommon(C)ismadeafterallothercontacts.