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Elektronik Bilgi Kütüphanesi
Anasayfa > Brands > Magnat Audio > Printer > Keypads 84S Series
22222
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
4x4 Keyboard Matrix Output Single Pole/Common Bus
.098(2,49)REF.
TERMINAL
PINHEADER
.100(2,54)REF.
TERMINAL
PINHEADER
F
E
D
B
C
A
G
H
TERMINALPIN
IDENTIFICATION
SWITCHPOSITION
IDENTIFICATION
.425
(10,80)
3.100±.020
(78,74±0,51)
.750(19,05)3EQ.SPS.
TOL.NON-ACCUM.
.425(10,80)
.750(19,05)3EQ.SPS.
TOL.NON-ACCUM.
.366(9,30)SQ.
BUTTONAREA
3.100±.020
(78,74±0,51)
.490
(12,45)
SQ.
.337±.015
(8,56±0,38)
.267±.015
(6,78±0,38)
.500(12,7)
.270(6,86)
.025±.002
(0,64±0,05)SQ.
TERMINAL
PINS
.775
(19,69)
.100
(2,54)
TYP.
.310
(7,87)
1.500
(38,1)
2.120
(53,85)
1.125
(28,58)
2.250
(57,15)
.750
(19,05)
.490(12,45)
LABEL
#6-32MTG
STUD
6PLACES
1
5
9
13
2
6
10
14
3
7
11
15
4
8
12
16
.098(2,49)REF.
TERMINAL
PINHEADER
.100(2,54)REF.
TERMINAL
PINHEADER
A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
S
TERMINALPIN
IDENTIFICATION
.100
(2,54)
TYP.
.310(7,87)
1.500
(38,1)
2.120(53,85)
1.125
(28,58)
2.250
(57,15)
.750
(19,05)
.490(12,45)
LABEL
#6-32MTG
STUD
6PLACES
.425
(10,80)
.425
(10,80)
.800
(20,32)
CODE AND TRUTH TABLES
Dotsinthechartindicateconnectedterminalswhenswitchisclosed.Terminalsareidentiedonthekeyboard.
12 Button Keypads
16 Button Keypads
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2
3
4
5
6
7
8
9
10
11
12
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CODES
3x4
Matrix
Single Pole/Common Bus
TERMINAL LOCATION
BUTTON LOCATION
C B A G F E D E C B F D A N K H M L J G
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CODES
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
4x4
Matrix
Single Pole/Common Bus
TERMINAL LOCATION
BUTTON LOCATION
A B C D E F G H
D B A C H F E G K M L J P R Q N S
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SPECIFICATIONS
Rating Criteria
Rating at 24 Vdc:≤10milliampsresistive
Contact Bounce:4millisecondsmaximumat
make;10millisecondsatbreak
Contact Resistance: MOS, TTL, and DTL
compatible.(10ohmsmaximum)
Life Expectancy:3millionoperations/button
Insulation Resistance: 1,000megohms
Operating Features
Pre-Travel:.030inchesminimum
Operating Temperature:-55°Cto85°C
DIMENSIONS ininches(andmillimeters)
Operating Force:20±4ounces
Humidity:0to98%(nocondensation)
Minimum Push Out Force Per Pin:5pounds
Materials and Finishes
Terminal Pins: Copper alloy CDA 725,
solder-plated
PC Board:FR-4glassclothepoxy
Contact Dome: Stainless steel, selectively
gold-plated
Dome Retainer/Rear Seal Sheet:Polyester
Mounting Studs:Phosphorbronze
Optional Hex Nut:Stainlesssteel,passivated
Optional EMI Shield:Aluminumfoil
Keypad:Siliconerubber
Buttons: ABSCycolac,gradeFR15U
Shielding Effectiveness
ResultsshownaretypicalforastandardGrayhill
Series84SKeyboard.Aconductivegasketwill
generallyincreasetheshielding,dependingon
thesizeandshapeofthegasketanditsmaterial.
DataderivedforE-FieldRadiation.