Grayhill Keypads 88 Series - Manual (Page 2)

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
SerieS 88
Sealed, Flange mounted
DimenSionS
in inches (and millimeters)
4x4 Keyboard
termination in inches (and millimeters)
4x4 Dots in the chart indicate connected terminals when switch
is closed. Terminals are identified on the keyboard.
Code and truth table
3.000
± .015
(76,2
± 0,38)
2.800
± .010
(71,12
± 0,25)
.200 ± .010
(5,08 ± 0,25)
A B E F G K L M R S T
2.700 ± .010
(68,58 ± 0,25)
2.500 ± .010
(63,5 ± 0,25)
.100 (2,54)
TYP.
RETAINING
STUDS
.220 ± .010
(5,59 ± 25,4)
.100 ± .010
(2,54 ± 0,25)
BUTTON NO. 1
.093 ± .005
(2,36 ± 0,13)
DIA. 4 PLS.
C
L OF 2.700 (68,58) DIM.
.050 ± .003
(1,27 ± 0,08)
CODES
4x4
Matrix Single Pole/Common Bus
TERMINAL LOCATION
BUTTON LOCATION
H G F E M L K J
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P J E A R L F B S M H C T N G D K
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.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
2.490 + .000 - .010
(63,25 + .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)
(3 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
.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