Grayhill Keypads 84LS 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
4x4 Keyboard matrix output Single Pole/common Bus
.098 (2,49) REF.
TERMINAL
PIN HEADER
.100 (2,54) REF.
TERMINAL
PIN HEADER
F
E
D
B
C
A
G
H
TERMINAL PIN
IDENTIFICATION
SWITCH POSITION
IDENTIFICATION
.425
(10,80)
3.100 ± .020
(78,74 ± 0,51)
.750 (19,05) 3 EQ. SPS.
TOL. NON-ACCUM.
.425 (10,80)
.750 (19,05) 3 EQ. SPS.
TOL. NON-ACCUM.
.455 (11,56) SQ.
PRINTABLE AREA
3.100 ± .020
(78,74 ± 0,51)
.490
(12,45)
SQ.
.368 ± .015
(9,35 ± 0,38)
.267 ± .015
(6,78 ± 0,38)
.357 (9,07)
.207 (5,26)
.025 ± .002
(0,64 ± 0,05) SQ.
TERMINAL
PINS
.775
(19,69)
.100
(2,54)
TYP.
.310
(7,87)
1.500
(38,1)
2.120
(53,85)
1.125
(28,58)
2.250
(57,15)
.750
(19,05)
.490 (12,45)
LABEL
#6-32 MTG
STUD
6 PLACES
1
5
9
13
2
6
10
14
3
7
11
15
4
8
12
16
.098 (2,49) REF.
TERMINAL
PIN HEADER
.100 (2,54) REF.
TERMINAL
PIN HEADER
A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
S
TERMINAL PIN
IDENTIFICATION
.100
(2,54)
TYP.
.310 (7,87)
1.500
(38,1)
2.120 (53,85)
1.125
(28,58)
2.250
(57,15)
.750
(19,05)
.490 (12,45)
LABEL
#6-32 MTG
STUD
6 PLACES
.425
(10,80) .425
(10,80)
.800
(20,32)
coDe anD truth taBLeS
The chart indicates the relationship of the terminal pins to each key switch.
The dot indicates a closed switch. Terminals are identified on the keyboard.
12 Button Keypads 16 Button Keypads
SPeciFicationS
rating criteria
rating at 24 Vdc: ≤ 10 milliamps resistive
contact Bounce: 4 milliseconds maximum at
make; 10 milliseconds, at break
contact resistance: MOS, TTL, and DTL
compatible. (10 ohms maximum)
operating temperature: -55°C to 85°C
DimenSionS in inches (and millimeters)
Life expectancy: 3 million operations/button
insulation resistance: 1,000 megohms
operating Features
Pre-travel: .030 inches minimum
operating Force: 20 ± 4 ounces
humidity: 0 to 98% (no condensation)
minimum Push out Force Per Pin: 5 pounds
materials and Finishes
terminal Pins: Copper alloy CDA 725
Pc Board: FR-4 glass cloth epoxy
Dome retainer/rear Seal Sheet: Polyester
mounting Studs: Phosphor bronze
optional hex nut: Stainless steel, passivated
optional emi Shield: Aluminum foil
Keypad: Silicone rubber
4 Button Keypads
1
2
3
4
5
6
7
8
9
10
11
12
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CODES
3x4
Matrix Single Pole/Common Bus
TERMINAL LOCATION
BUTTON LOCATION
C B A G F E D E C B F D A N K H M L J G
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1
2
3
4
CODES
1x4
PINS
TERMINAL
LOCATION
BUTTON
LOCATION A B C D E
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CODES
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
4x4
Matrix Single Pole/Common Bus
TERMINAL LOCATION
BUTTON LOCATION
A B C D E F G H D B A C H F E G K M L J P R Q N S
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1x1 Keyboard
1.125
±.020
.562
.562
1.125
±.020
.366 SQ.
BUTTON AREA
#4-40 MTG STUD (ALSO
SERVE AS TERMINALS)
.500
.500
.313
.313
LABEL
.490
SQ.
.500
.270
.362 ±.015