
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
DIMENSIONS ininches(andmillimeters)
5x4 Keyboard
Termination ininches(andmillimeters)
5x4 Keyboard
Dotsinthechartindicateconnectedterminalswhenswitchisclosed.
Terminalsareidentiedonthekeyboard.
Code and Truth Table
CODES
5x4
Matrix
Single Pole/Common Bus
TERMINAL LOCATION
BUTTON LOCATION
PNKGFJLMH
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TPMHDUQLGCVRKFBWSJEAN
ADEFJKLPQRUVW
C
L
OF3.200(8,13)DIM.
3.000
±.015
(76,2
±0,38)
2.800
±.010
(71,12
±0,25)
.100(2,54)
TYP.
3.200±.010
(81,28±0,25)
3.000±.010
(76,2±0,25)
.100±.010
(2,54±0,25)
RETAINING
STUDS
.220±.010
(5,59±25,4)
BUTTONNO.1
.093±.005
(2,36±0,13)
DIA.4PLS.
SERIES 88
Sealed, Flange Mounted
.500.010
(12,7±0,25)
(3EQ.SPS)
TOL.NON-
ACCUM.
.380(9,65)
SQ.TYP.
.750±.010
(19,05±0,25)
COL1
COL2
COL3
COL4
COL5
2.990+.000-.010
(75,95+.000-0,25)
.055±.010
(1,40±0,25)
.105±.010
(2,67±0,25)
ROW1
ROW2
ROW3
ROW4
2.690+.000/
-.010
(68,33+.000/
-0,25)
SWITCHKEY
IDENTIFICATION
(FORREF.ONLY)
.500±.010(12,7±0,25)
(4EQ.SPS.)TOL.NON-
ACCUM.
.600±.010
(15,24±0,25)
.128±.010
(3,25±0,25)
.280±.010
(7,11±0,25)
.025±.002
(0,64±0,05)
SQUARE
TERMINAL
.360±.010
(9,14±0,25)
.072
±.010
(1,83
±0,25)
COL=COLUMN
BUTTONAREASAREEMBOSSED
12345
678910
1112131415
1617181920
.150±.005
(3,81±0,13)R.
FEATURES
•SealedKeyboard
•ColorfulGraphicOverlay
•Audible,Snap-DomeContact
•UserLegendableStyles
•3,000,000OperationsperButton
•OptionalPanelSealGasketto
ProtectYourEquipment