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
DIMENSIONS In inches (and millimeters)
1234
5678
9101112
13 14 15 16
DETAIL A
TERMINAL PIN IDENTIFICATION
DETAIL
SCALE=1.5:1
A
B
C
D
E
F
G
H
Y
X
2.250
3.100 ± .020
1.500
.310
2.120
.425
3.100
.020
.750,3 EQ SPS.,
TOL.NON-ACCUM.
SWITCH
POSITION
IDENTIFICATION
.750,3 EQ.SPS.,
TOL.NON-ACCUM.
.425
#6-32 MTG
STUD,
6 PLACES
LABEL
1.125
.490
.357
.207
.267
REF.
.390 SQ.
LEGEND
INSERT AREA
.750
.775
.100
TYP.
.025 .002
SQ. TERMINAL
PINS 10 PLCS.
123
456
789
10 11 12
DETAIL A
TERMINAL PIN IDENTIFICATION
DETAIL
SCALE=1.5:1
ABCDEF GYX
YA
B
CDEFGX
.750,2 EQ.SPS.,
TOL.NON-ACCUM.
.425
2.350 ± .020
.425
3.100
.020
1.650
.350
1.500
.800
.750,3 EQ SPS.,
TOL.NON-ACCUM. .025.002 SQUARE
TERMINAL PINS
7 PLACES
SWITCH
POSITION
IDENTIFICATION
LABEL
#6-32 MTG
STUD,
4 PLACES
.525
.100 TYP.
.750
.368
REF.
.267
REF.
.207
.357
.390 SQ. LEGEND
INSERT AREA
.290 REF (STYLE 1)
.368 REF (STYLE 2)
.290 REF
(STYLE 1)
.368 REF
(STYLE 2)
3 x 4 Keyboard
4 x 4 Keyboard
SERIES 84B
Backlit with Self
Adhesive Legends
FEATURES
• Backlit for Low Light Applications
• Waterproof Silicone Rubber
• Audible, Tactile Contacts
• Low Contact Resistance
• Optional RFI/EMI Shielding
• 3,000,000 Operations per Button
Keypads
7
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
SPECIFICATIONS
Rating Criteria
Rating at 24 Vdc: - 10 milliamps resistive
(max.)
Contact Bounce: 4 milliseconds maximum
at make; 10 milliseconds, at break
Contact Resistance: 10 ohms maximum
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)
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 x 4
3 x 4
SCHEMATIC AND TRUTH TABLE
84BN-AB-022AN
N = Mounting Nuts Supplied and Shipped Loose, Blank = No Nuts Supplied
Led Color: A = Red, B = Yellow, C = Green, D = Orange
84B = Insertable Legend, Sealed and Shielded
84BN = Insertable Legend, Sealed and Non-Shielded
Keyboard Size: A = 3 x 4, B = 4 x 4
B = Matrix Code
ORDERING INFORMATION
SELF-ADHESIVE LEGEND SHEETS
Each 8.5" x 11" legend sheet contains commonly used symbols, terms, alpha characters and 0-9 in helvetica bold type. Self- adhesive
legends are clear urethane on a chrome mylar base. Adhesive is silicone/acrylic. Legends can be purchased in the following ways:
1. Entire legend sheets: Part numbers 84AC5012-1, -2, -3 OR -4.
2. Individual legends: Part numbers 84AC5012-0001, -0002 etc. (Individual legend pins are for groups of 10 legends each)
3. See Grayhill drawing 84AC5012-X for detailed information on available legends, sizes and fonts.
LED Color Resistor
(OHMS)
Typ. Current Consumption
(With 5V Pwr. Supply)
Forward Voltage
Min. Typ. Max. 3 x 4 4 x 4
Red - 1.95 2.40 43 155mA 205mA
Yellow/Green - 1.95 2.40 43 155mA 205mA
Green 1.50 - 2.40 43 155mA 205mA
Orange - 1.95 2.40 43 155mA 205mA
Keypads
8
