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.
SWITCH
POSITION
IDENTIFICATION
.025.002
SQUARE
TERMINAL PINS
9 PLACES
.100 TYP.
.525
#6-32 MTG
STUD,
4 PLACES
TERMINAL PIN
IDENTIFICATION
.425
1
2
3
X Y A B CDE F G
4
5
6
X
Y
A
C
D
E
F
G
B
3.100
± .020
1.500
.750
7
8
9
LABEL
10
11
12
DETAIL A
TERMINAL PIN IDENTIFICATION
DETAIL
SCALE=1.5:1
.800
1.650
.425
.750,2 EQ.SPS.,
TOL.NON-ACCUM.
.490
SQ.
2.350 ± .020
.267
REF.
.207
.357
.350
4 x 4 Keyboard
#6-32 MTG
STUD,
6 PLACES
.750,3 EQ
SPS.,
TOL.NON-ACCUM.
SWITCH
POSITION
IDENTIFICATION
.025 .002
SQ.
TERMINAL
PINS 10 PLCS.
.490
X
Y
H
G
F
E
D
C
B
A
TERMINAL PIN
IDENTIFICATION
.425
1
2
3
4
5
6
7
8
.100
TYP.
2.250
3.100
± .020
9
10
11
12
.775
13
14
15
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
DETAIL A
TERMINAL PIN IDENTIFICATION
DETAIL
SCALE=1.5:1
LABEL
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Keypads
9
Standard Keypads
SCHEMATIC AND TRUTH TABLE
3x4
4x4
Keyboards and Keypads
LED Color
Red
Yellow
Green
Orange
Min.
-
-
1.50
-
Forward Voltage
Typ.
1.95
1.95
-
1.95
Max.
2.40
2.40
2.40
2.40
Resistor
(OHMS)
43
43
43
43
Typ. Current Consumption
(With 5V Pwr. Supply)
3x4
155mA
155mA
155mA
155mA
4x4
205mA
205mA
205mA
205mA
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
-112
3
6
9
1
4
7
A
2
5
8
3
6
9
C
D
E
F
ABC
DEF
ABC
DEF
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
-014
B
0
-113
0
-016
-016
-112
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
-014
-113
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
84BLN-AB-XXXAN
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
Keypads
10
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
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