Standard Keypads
SERIES 84S
Sealed
FEATURES
• Waterproof Silicone Rubber
• Easily Customized Legends
• Audible, Tactile Contacts
• Low Contact Resistance
• Optional RFI/EMI Shielding
• 3,000,000 Operations per Button
Keyboards and Keypads
DIMENSIONS
In inches (and millimeters)
CIRCUITRY
1 Button Module
1.125 ± .020
(28,58 ± 0,51)
.562 (14,27)
#4-40 MTG. STUD,
2 PLACES (ALSO
SERVES AS
.313
TERMINALS)
(7,95)
.500
(12,7)
MTG.
STUD
MTG.
STUD
1.125 ± .020
(28,58 ± 0,51)
.490
(12,45) SQ.
.500
(12,7)
.562 (14,27)
.366 (9,30) SQ.
BUTTON AREA
.500 (12,7)
.270 (6,86)
.362 ± .015
(9,19 ± 0,38)
Unless otherwise noted, linear dimension tolerances are ± .010 (0,25)
LABEL
.313
(7,95)
SINGLE THROW,
NORMALLY OPEN
Note: Mounting studs serve as terminals.
3x4 Keyboard
.750 (19,05) 3 EQ. SPS.
TOL. NON-ACCUM.
SWITCH POSITION
IDENTIFICATION
.025 ± .002
(0,64 ± 0,05) SQ.
TERMINAL
PINS
Matrix Output
.100 (2,54) TYP.
.525 (13,34)
#6-32 MTG
STUD
4 PLACES
Single Pole/Common Bus
.100 (2,54) TYP.
.225 (5,72)
#6-32 MTG
STUD
4 PLACES
1
2
3
3.100 ± .020
(78,74 ± 0,51)
4
5
6
.425
(10,80)
7
8
9
.490
(12,45)
SQ.
LABEL
10
11
12
1.500
.750 (38,1)
(19,05)
LABEL
1.500
.750 (38,1)
(19,05)
.425 (10,80)
.750 (19,05) 2 EQ. SPS.
TOL. NON-ACCUM.
.366 (9,30) SQ.
BUTTON AREA
.337 ± .015
(8,56 ± 0,38)
.267 ± .015
(6,78 ± 0,38)
2.350 ± .020
(59,69 ± 0,51)
.500 (12,7)
.270 (6,86)
.350
(8,89)
.800
(20,32)
1.650 (41,91)
.350
(8,89)
.800
(20,32)
1.650 (41,91)
.100 (2,54) REF. TERMINAL
PIN HEADER
TERMINAL PIN
IDENTIFICATION
A B C D E F G
.098 (2,49) REF. TERMINAL
PIN HEADER
.100 (2,54) REF. TERMINAL
PIN HEADER
TERMINAL PIN
IDENTIFICATION
A H B J C K D L E M F N G
.098 (2,49) REF. TERMINAL
PIN HEADER
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Keypads
11
Standard Keypads
DIMENSIONS
4x4 Keyboard
In inches (and millimeters)
Matrix Output
SWITCH POSITION
IDENTIFICATION
.490 (12,45)
.750
.025 ± .002
(19,05)
(0,64 ± 0,05) SQ.
TERMINAL
.100
PINS
(2,54)
TYP.
.775
(19,69)
#6-32 MTG
STUD
6 PLACES
.100
(2,54)
TYP.
Single Pole/Common Bus
.490 (12,45)
.750
(19,05)
#6-32 MTG
STUD
6 PLACES
.750 (19,05) 3 EQ. SPS.
TOL. NON-ACCUM.
1
2
3
4
3.100 ± .020
(78,74 ± 0,51)
5
6
7
8
.425
(10,80)
9
10
11
12
.490
(12,45)
SQ.
2.250
(57,15)
1.125
(28,58)
2.250
(57,15)
1.125
(28,58)
13
14
15
16
.800
(20,32)
.310 (7,87)
1.500
(38,1)
2.120 (53,85)
.425 (10,80)
.750 (19,05) 3 EQ. SPS.
TOL. NON-ACCUM.
.366 (9,30) SQ.
BUTTON AREA
.337 ± .015
(8,56 ± 0,38)
.267 ± .015
(6,78 ± 0,38)
.500 (12,7)
3.100 ± .020
(78,74 ± 0,51)
.270 (6,86)
.310
(7,87)
2.120
(53,85)
.425
(10,80)
1.500
(38,1)
LABEL
.425
(10,80)
LABEL
BUTTON LOCATION
BUTTON LOCATION
Keyboards and Keypads
.098 (2,49) REF.
TERMINAL
PIN HEADER
F
E
D
B
C
A
G
H
.098 (2,49) 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) REF.
TERMINAL
PIN HEADER
TERMINAL PIN
IDENTIFICATION
.100 (2,54) REF.
TERMINAL
PIN HEADER
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
3x4
1
2
3
4
5
6
7
8
9
10
11
12
CODES
Matrix
Single Pole/Common Bus
4x4
Matrix
CODES
Single Pole/Common Bus
C B A G F E D E C B F D A N K H M L J G
TERMINAL LOCATION
•
•
• •
•
• •
•
•
•
•
•
•
•
•
• •
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
•
•
•
•
•
•
•
•
•
•
• •
• •
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
A B C D E F GH D B A C H F E G K M L J P R Q N S
TERMINAL LOCATION
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
• •
••
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 Force:
20 ± 4 ounces
Humidity:
0 to 98% (no condensation)
Minimum Push Out Force Per Pin:
5 pounds
Mounting Studs:
Phosphor bronze
Optional Hex Nut:
Stainless steel, passivated
Optional EMI Shield:
Aluminum foil
Keypad:
Silicone rubber
Buttons:
ABS Cycolac, grade FR15U
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
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.
Operating Features
Pre-Travel:
.030 inches minimum
Operating Temperature:
-55°C to 85°C
Keypads
12
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Standard Keypads
dB
100
80
60
40
20
0
0.1
SHIELDING EFFECTIVENESS OF 84S-AC2
10
100
400
800
MHz
2000
6000 10000 18000
Frequency Rating
MHz
in dB
0.1
66.2
10
94.8
100
90.5
400
64.2
800
42.3
2,000
40.5
6,000
33.1
10,000
34.4
18,000
37.0
Test Method:
Measurements were made with the keyboard
mounted to a brass plate, which in turn was
mounted to a shielded enclosure containing the
receiving equipment. A signal generator
provided the frequency source that was radiated
from the transmitting antenna to the enclosed
receiving antenna. The spacing between
antennas was maintained constant throughout
the frequency range. The effectiveness rating
is determined by establishing a reference
reading without obstruction between the two
antennas and determining the difference
between that reading and the test setup reading.
Note:
When measured in actual equipment, shielding
effectiveness is determined by many factors.
This method accurately represents the shielding
effectiveness of the Grayhill Series 84S under
ideal test conditions.
Represents shielding effectiveness
greater than or equal to line.
Keyboards and Keypads
STANDARD LEGENDS
Available through Grayhill Distributors
To order one of the configurations below, use the dash number shown here; select the
keypad size and code, and order the part number with the appropriate legend dash number.
The buttons in these keypads can be removed, and reinserted in any configuration.
2
5
8
0
3
6
9
B
C
D
E
F
ABC
DEF
ABC
DEF
1
4
7
2
5
8
0
3
6
9
1
4
7
A
1
GHI
2
JKL
3
MNO
1
GHI
2
JKL
3
MNO
A
B
C
D
4
PRS
5
TUV
6
WXY
4
PRS
5
TUV
6
WXY
7
8
OPER
9
7
8
OPER
9
0
0
-112
-014
-113
-016
CUSTOM LEGENDS
Library of Legends
MENU
PRO-
GRAM
MODE
EDIT
Adding Color
Use colored buttons to segregate button
groupings or to provide originality. Available in
black legends on white or yellow buttons, or in
white legends on black, green, red or blue
buttons. Two popular combinations, black on
white and white on black, are available from
Grayhill stock. Delivery time will increase for
other color combinations.
SET
LOCK
INPUT
HOLD
RUN
FWD
REV
STOP
CLEAR
CAN-
CEL
ON
OFF
Grayhill maintains a legend library which
contains the most often requested special
legends and many unusual ones. If the legend
is in the library, the cost to utilize this legend in
your keypad configuration is minimal. If the
legend is not available, Grayhill can list the
charges required to add your legend to the
library. In this manner, new legends are added
on a periodic basis. Custom legends to fit your
unique requirements may not be as expensive
as you think, contact Grayhill.
A
B
C
D
E
F
HEADER CONNECTORS
Compatible with: Samtec, Inc.
Header Series
BCS, BSW, CES, ESW, ESQ, SLW, SSW, SSQ,
IDSS and IDSD or equivalent.
Available from your local Grayhill Distributor.
For prices and discounts, contact a local Sales
Office, an authorized local Distributor or Grayhill.
ORDERING INFORMATION
Grayhill Series Number
Shielded or Non-Shielded Option
S = Shielded; SN = Non-Shielded
Size Option:
A = 3x4; B = 4x4; C = 1 Button
Circuitry Option
(B2 and C2 not applicable to 1 button)
B2 = Matrix in-line pins
C2 = Single pole/common bus, in-line pins
C3 = 1 Button, SPST–N.O., non-shielded only
84S-AC2-113-N
Mounting Nut Option
N = Provided with hex nuts for mounting; Blank = Nuts not provided
Standard Legend Choices
3x4 Size: -112 or -113; -000, No buttons; -101, Blank Buttons
4x4 Size: -014 or -016; -000, No buttons; -001, Blank Buttons
1 Button Size: -001, No legend, white button
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Keypads
13
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