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 .0ꢀ0
.ꢀ2ꢁ .0ꢀ0
(3,21 0,21)
.100 .0ꢀ0 (ꢀ2,7 0,21)
(2 EQ. SPS.) TOL. NON-
ACCUM.
(ꢀ1,24 0,21)
.072
.0ꢀ0
(ꢀ,ꢁ3
0,21)
.ꢀ10 .001
(3,ꢁꢀ 0,ꢀ3) R.
SWITCH KEY
IDENTIFICATION
(FOR REF. ONLY)
.2ꢁ0 .0ꢀ0
(7,ꢀꢀ 0,21)
.710 .0ꢀ0
(ꢀ9,01 0,21)
.021 .002
(0,64 0,01)
SQUARE
ꢀ
4
7
2
1
ꢁ
3
ROW ꢀ
2.690 + .000/
- .0ꢀ0
(6ꢁ,33 + .000/
- 0,21)
ROW 2
ROW 3
ROW 4
6
9
TERMINAL
.100 .0ꢀ0
(ꢀ2,7 0,21)
(3 EQ. SPS)
TOL. NON-
ACCUM.
ꢀ0 ꢀꢀ ꢀ2
.3ꢁ0 (9,61)
SQ. TYP.
.011 .0ꢀ0
(ꢀ,40 0,21)
.ꢀ01 .0ꢀ0
(2,67 0,21)
.360 .0ꢀ0
(9,ꢀ4 0,21)
ꢀ.990 + .000 - .0ꢀ0
(10,11 + .000 - 0,21)
BUTTON AREAS ARE EMBOSSED
COL = COLUMN
Termination In inches (and millimeters)
Code and Truth Table
2.200 .0ꢀ1
(11,ꢁꢁ 0,3ꢁ)
3x4
Dots in the chart indicate connected terminals
when switch is closed. Terminals are identified on
the keyboard.
2.000 .0ꢀ0
(10,ꢁ 0,21)
BUTTON NO. ꢀ
.ꢀ00 (2,14)
TYP.
.ꢀ00 .0ꢀ0
(2,14 0,21)
.093 .001
(2,36 0,ꢀ3)
DIA. 4 PLS.
CODES
3x4
Matrix
Single Pole/Common Bus
ꢀ
2
3
4
1
6
7
ꢁ
9
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
A B C F G H
L M N
•
•
•
•
•
.220 .0ꢀ0
(1,19 21,4)
• •
•
•
•
2.ꢁ00
•
•
3.000
.0ꢀ1
(76,2
0,3ꢁ)
.0ꢀ0
(7ꢀ,ꢀ2
0,21)
•
•
•
•
•
RETAINING
STUDS
•
•
•
•
•
•
ꢀ0
ꢀꢀ
ꢀ2
•
•
•
•
•
•
F E D K J H G
J
E A K F B L G C M H D N
.200 .0ꢀ0
TERMINAL LOCATION
(1,0ꢁ 0,21)
C
L
OF 2.200 (11,ꢁꢁ) DIM.
.600
.ꢀ00
ꢀ.200
.ꢀ00
TYP.
TYP.
K
M
D E F G H J
A B C D E F G H J K L
N
SINGLE POLE COMMON BUS TERMINAL
MATRIX TERMINAL PIN-OUT
Keypads
32
Grayhill, Inc.
• 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com