Grayhill Keypads 88 Series - Manual (Page 3)

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 in inches (and millimeters)
5x4 Keyboard
termination
in inches (and millimeters)
5x4 Keyboard Dots in the chart indicate connected terminals when switch is closed.
Terminals are identified on the keyboard.
Code and truth table
CoDeS
5x4
matrix Single Pole/Common Bus
terminal loCation
Button loCation
P N K G F J L M H
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T P M H D U Q L G C V R K F B W S J E A N
A D E F J K L P Q R U V W
C
L OF 3.200 (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)
BUTTON NO. 1
.093 ± .005
(2,36 ± 0,13)
DIA. 4 PLS.
SerieS 88
Sealed, Flange mounted
.500 .010
(12,7 ± 0,25)
(3 EQ. SPS)
TOL. NON-
ACCUM.
.380 (9,65)
SQ. TYP.
.750 ± .010
(19,05 ± 0,25)
COL
1
COL
2
COL
3
COL
4
COL
5
2.990 + .000 - .010
(75,95 + .000 - 0,25)
.055 ± .010
(1,40 ± 0,25)
.105 ± .010
(2,67 ± 0,25)
ROW 1
ROW 2
ROW 3
ROW 4
2.690 + .000/
- .010
(68,33 + .000/
- 0,25)
SWITCH KEY
IDENTIFICATION
(FOR REF. ONLY)
.500 ± .010 (12,7 ± 0,25)
(4 EQ. 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
BUTTON AREAS ARE EMBOSSED
1 2 3 4 5
6 7 8 9 10
11 12 13 14 15
16 17 18 19 20
.150 ± .005
(3,81 ± 0,13) R.
FeatureS
• Sealed Keyboard
• Colorful Graphic Overlay
• Audible, Snap-Dome Contact
• User Legendable Styles
• 3,000,000 Operations per Button
• Optional Panel Seal Gasket to
Protect Your Equipment