Standard Keypads
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
Keyboards and Keypads
DIMENSIONS
in inches (and millimeters)
3 x 4 Keyboard
.290 REF (STYLE 1)
.368 REF (STYLE 2)
.750,3 EQ SPS.,
TOL.NON-ACCUM.
.425
SWITCH
POSITION
IDENTIFICATION
1
4
2
5
8
11
3
6
X
Y
A
C
D
E
F
G
B
.100 TYP.
.025.002
SQUARE
TERMINAL PINS
9 PLACES
.525
#6-32 MTG
STUD,
4 PLACES
TERMINAL PIN
IDENTIFICATION
X Y A B CDE F G
1.500
.750
LABEL
3.100
± .020
7
10
9
12
DETAIL A
TERMINAL PIN IDENTIFICATION
DETAIL
SCALE=1.5:1
.800
.425
.750,2 EQ.SPS.,
TOL.NON-ACCUM.
.490 SQ.
2.350 ± .020
.267
REF.
.207
.357
.350
1.650
4 x 4 Keyboard
.750,3 EQ SPS.,
TOL.NON-ACCUM.
.425
SWITCH
POSITION
IDENTIFICATION
1
5
2
6
10
14
3
7
11
15
4
8
12
#6-32 MTG
STUD,
6 PLACES
.025 .002
SQ. TERMINAL
PINS 10 PLCS.
.490
X
Y
H
G
F
E
D
C
B
A
TERMINAL PIN
IDENTIFICATION
.100
TYP.
3.100
± .020
2.250
9
13
.775
16
.425
.750,3 EQ.SPS.,
TOL.NON-ACCUM.
.490 SQ.
3.100 ± .020
.290 REF.310
(STYLE 1)
.368 REF
(STYLE 2) .750
.267
REF.
1.500
.207
.357
2.120
1.125
LABEL
DETAIL A
TERMINAL PIN IDENTIFICATION
DETAIL
SCALE=1.5:1
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Standard Keypads
SCHEMATIC AND TRUTH TABLE
3x4
4x4
Keyboards and Keypads
LED COLOR
RED
YELLOW
GREEN
ORANGE
BLUE
FORWARD VOLTAGE
MIN
-
-
-
-
-
TYP.
1.9V
2.0V
3.3V
2.0V
3.3V
MAX
2.5V
2.5V
4.1V
2.5V
4V
TYPICAL CURRENT DRAW
WITH 5V POWER SUPPLY
RESISTOR
221
221
121
221
121
3x4
4x4
168mA
163mA
169mA
163mA
169mA
224mA
217mA
225mA
217mA
225mA
STANDARD LEGENDS
Available through Grayhill Distributors
To order one of the configurations below, use the dash number shown here; select the
To order number. Contact Grayhill for Customs.
keypad size and
Available
part number with the appropriate legend dashone of the configurations below, use the dash
order the
through Grayhill Distributors
number shown here; select the keypad size and code, and order the part number with the appropriate
1
4
7
2
5
8
0
3
6
9
1
4
7
A
2
5
8
0
3
6
9
B
C
D
E
F
1
GHI
ABC
2
DEF
3
6
1
GHI
ABC
2
DEF
3
6
A
B
C
D
4
JKL
5
MNO
4
JKL
5
MNO
PRS
7
TUV
8
WXY
9
PRS
7
TUV
8
WXY
9
OPER
0
OPER
0
-112
SPECIFICATIONS
Rating Criteria
-014
-113
-016
Materials and Finishes
Terminal Pins:
Phosphor Bronze Tin Plated
PC Board:
FR-4 glass cloth epoxy
Dome Retainer/Rear Seal Sheet:
Polyester
Mounting Studs:
Stainless Steel (Style 1),
Phosphor Bronze Tin Plated (Style 2)
Optional Hex Nut:
Stainless steel, passivated
Optional EMI Shield:
Aluminum foil
Keypad:
Silicone rubber
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)
Rating at 24 Vdc:
- 10 milliamps resistive
Contact Bounce:
4 milliseconds maximum
Contact Resistance:
10 ohms maximum
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
N = Mounting Nuts Supplied and Shipped Loose, Blank = No Nuts Supplied
Led Color:
A = Red, B = Yellow, C = Green, D = Orange, E = Blue
Standard Legends:-112
or -113 for 3x4, -014 or -016 for 4x4
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
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