Grayhill Keypads 84S 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.
.366 (9,30) SQ.
BUTTON AREA
3.100 ± .020
(78,74 ± 0,51)
.490
(12,45)
SQ.
.337 ± .015
(8,56 ± 0,38)
.267 ± .015
(6,78 ± 0,38)
.500 (12,7)
.270 (6,86)
.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
Dots in the chart indicate connected terminals when switch is closed. Terminals are identified on the keyboard.
12 Button Keypads 16 Button Keypads
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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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CODES
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10
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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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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)
life expectancy: 3 million operations/button
insulation resistance: 1,000 megohms
operating Features
Pre-travel: .030 inches minimum
operating temperature: -55°C to 85°C
DimenSionS in inches (and millimeters)
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,
solder-plated
PC Board: FR-4 glass cloth epoxy
Contact Dome: Stainless steel, selectively
gold-plated
Dome retainer/rear Seal Sheet: Polyester
mounting Studs: Phosphor bronze
optional hex nut: Stainless steel, passivated
optional emi Shield: Aluminum foil
Keypad: Silicone rubber
Buttons: ABS Cycolac, grade FR15U
Shielding effectiveness
Results shown are typical for a standard Grayhill
Series 84S Keyboard. A conductive gasket will
generally increase the shielding, depending on
the size and shape of the gasket and its material.
Data derived for E-Field Radiation.