Grayhill Keypads 84BL User Manual
SERIES 84BL
Standard Backlit
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
DIMENSIONS in inches (and millimeters)
Standard Keypads
Keyboards and Keypads
3 x 4 Keyboard
.750,3 EQ SPS.,
TOL.NON-ACCUM.
3.100
± .020
.425
.750,2 EQ.SPS.,
TOL.NON-ACCUM.
.490 SQ.
2.350 ± .020
.750,3 EQ SPS.,
TOL.NON-ACCUM.
3.100
± .020
.750,3 EQ.SPS.,
TOL.NON-ACCUM.
3.100 ± .020
.425
.425
1 2 3
456
7 8 9
10 11 12
.425
.290 REF (STYLE 1)
.368 REF (STYLE 2)
SWITCH
POSITION
IDENTIFICATION
SWITCH
POSITION
IDENTIFICATION
1 2 3 4
5678
9 10 11 12
13 14 15 16
.490 SQ.
.025.002
SQUARE
TERMINAL PINS
9 PLACES
LABEL
.267
REF.
.207
.357
4 x 4 Keyboard
.025 .002
SQ. TERMINAL
PINS 10 PLCS.
.290 REF
(STYLE 1)
.368 REF
(STYLE 2)
.267
REF.
.207
.357
.775
Y ABCDE F GX
.350
.100
TYP.
.310
1.500
.750
.100 TYP.
.525
.750
1.650
#6-32 MTG
STUD,
6 PLACES
.490
2.120
#6-32 MTG
STUD,
4 PLACES
1.500
.800
TERMINAL PIN
IDENTIFICATION
2.250
1.125
LABEL
ABCDE F GYX
DETAIL A
TERMINAL PIN IDENTIFICATION
X
Y
H
G
F
E
D
C
B
A
DETAIL
SCALE=1.5:1
TERMINAL PIN
IDENTIFICATION
DETAIL A
TERMINAL PIN IDENTIFICATION
DETAIL
SCALE=1.5:1
Grayhill, Inc. • 561 H illgrove Avenue • LaGrange, I llinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Standard Keypads
SCHEMATIC AND TRUTH TABLE
3 x 4
Keyboards and Keypads
Forward Voltage
Min. Typ. Max. 4 x 4
Yellow - 1.95 2.40 43 155mA 205mA
Orange - 1.95 2.40 43 155mA 205mA
Red - 1.95 2.40 43 155mA 205mA
Green 1.50 - 2.40 43
4 x 4
(OHMS)
Typ. Current Consumption
rotsiseR roloC DEL
(With 5V Pwr. Supply)
3 x 4
155mA 205mA
STANDARD LEGENDS
Available through Grayhill Distributors To order one of the configurations below, use the dash number shown here; select the
keypad size and order the part number with the appropriate legend dash number. Contact Grayhill for Customs.
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
1 2
4 5
3
6
1 2
4 5
3
C
D
6
1 2
GHI
4
ABC3DEF
JKL6MNO
5
1 2
GHI
4
ABC3DEF
JKL6MNO
5
A
B
7 8
9
0
7 8
A B
0
9
E
F
PRS
7
TUV
OPER
WXY
98
0
PRS
7
TUV
OPER
WXY
C
98
0
D
-112 -014 -113 -016
SPECIFICATIONS
Rating Criteria
Rating at 24 Vdc: - 10 milliamps resistive
Contact Bounce: 4 milliseconds maximum
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
ORDERING INFORMATION
84BL = Printed Legend, Sealed and Shielded
84BLN = Printed Legend, Sealed and Non-Shielded
Keyboard Size: A = 3 x 4, B = 4 x 4
B = Matrix Code
1 = Style “1” (see stud detail)
2 = Style “2” (see stud detail)
84BLN-AB1-XXXAN
Grayhill, Inc. • 561 H illgrove Avenue • LaGrange, I llinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
N = Mounting Nuts Supplied and Shipped Loose, Blank = No Nuts Supplied
Led Color: A = Red, B = Yellow, C = Green, D = Orange
Standard Legends:-112 or -113 for 3x4, -014 or -016 for 4x4
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