88AB2-172 Datasheet, PDF (1/5 Pages) Grayhill, Inc – Sealed, Flange Mounted

Standard Keypads
SERIES 88
Sealed, Flange Mounted
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
DIMENSIONS In inches (and millimeters)
3x4 Keyboard
.600 ± .010
(15,24 ± 0,25)
.150 ± .005
(3,81 ± 0,13) R.
.750 ± .010
(19,05 ± 0,25)
.500 .010
(12,7 ± 0,25)
(3 EQ. SPS)
TOL. NON-
ACCUM.
.500 ± .010 (12,7 ± 0,25)
(2 EQ. SPS.) TOL. NON-
ACCUM.
SWITCH KEY
IDENTIFICATION
(FOR REF. ONLY)
123
456
789
10 11 12
ROW 1
ROW 2
ROW 3
2.690 + .000/
- .010
(68,33 + .000/
- 0,25)
ROW 4
.380 (9,65)
SQ. TYP.
.105 ± .010
(2,67 ± 0,25)
1.990 + .000 - .010
(50,55 + .000 - 0,25)
COL = COLUMN
.055 ± .010
(1,40 ± 0,25)
.072
± .010
(1,83
± 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)
BUTTON AREAS ARE EMBOSSED
Termination In inches (and millimeters)
3x4
.100 ± .010
(2,54 ± 0,25)
2.200 ± .015
(55,88 ± 0,38)
2.000 ± .010
(50,8 ± 0,25)
.100 (2,54)
TYP.
3.000 ^2.800
± .015 ^{± .010}
(76,2 ^(71,12
± 0,38) ^{± 0,25)}
ABC FGH LMN
BUTTON NO. 1
.093 ± .005
(2,36 ± 0,13)
DIA. 4 PLS.
.220 ± .010
(5,59 ± 25,4)
RETAINING
STUDS
.200 ± .010
(5,08 ± 0,25)
1.200
.100
TYP.
CL OF 2.200 (55,88) DIM.
.600
.100
TYP.
A B CDE F GHJ K L MN
SINGLE POLE COMMON BUS TERMINAL
DE F GHJ K
MATRIX TERMINAL PIN-OUT
Code and Truth Table
Dots in the chart indicate connected terminals
when switch is closed. Terminals are identified on
the keyboard.
3x4
CODES
Matrix
Single Pole/Common Bus
1_{• •}
2_••
3 _••
4_•
•
5_• •
6 _••
7_•
•
8_•
•
9_••
10 _•
•
11 _•
•
12
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
••
FEDKJ HG J EAKFBLGCMHDN
TERMINAL LOCATION
Keypads
32
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: [phone] • Fax: [phone] • www.grayhill.com