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
84BLN-AB-XXXAN
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
SPECIFICATIONS
Rating Criteria
Rating at 24 Vdc: - 10 milliamps resistive
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
STANDARD LEGENDS
Forward Voltage
Min. Typ. Max. 3 x 4 4 x 4
Red - 1.95 2.40 43 155mA 205mA
Yellow - 1.95 2.40 43 155mA 205mA
Green 1.50 - 2.40 43 155mA 205mA
Orange - 1.95 2.40 43 155mA 205mA
LED Color Resistor
(OHMS)
Typ. Current Consumption
(With 5V Pwr. Supply)
-112 -014 -113 -016
ORDERING INFORMATION
4 x 4
3 x 4
12
3
45
6
78
9
0
AB
C
D
E
F
0
12
3
45
6
78
9
OPER
0
12
ABC
3
DEF
4
GHI
5
JKL
6
MNO
7
PRS
WXY
98
TUV
A
B
C
D
OPER
0
12
ABC
3
DEF
4
GHI
5
JKL
6
MNO
7
PRS
WXY
98
TUV
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
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.
SCHEMATIC AND TRUTH TABLE
-112 -014 -113 -016
Keypads
10
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