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
SERIES 84R
Rugged Keypad for Tough Environments
FEATURES
• Metal Keys and Housing
• Sealed for Use Outdoors
• Full Travel Keys Provide Positive Feedback
• Choice of Dome Contacts or Conductive Rubber Contacts
• Choice of Matrix Coding or Single Pole/Common Bus Coding
• Available with an Optional Locking Connector
• Custom Engraved Legends Available
DESCRIPTION
Series 84R keypads work in harsh industrial environments where exposure
to fine particulates compromises other keypads. The sealed openings and
tough construction make this keypad perfect for outdoor use as well.
Typical applications include security system code entry and
product selection on outdoor terminals.
3 X 4 DIMENSIONS in inches (and millimeters)
2.910
3.780
±
.020
4.530
±
.020
Ø
.180
.531
.366
REF.
.158
.435
.435
3.660
SQ.
TERMINAL PINS
7 PLCS.
.025
±
.002
R .430
1.830
1.155
.600
.636
.435
.545
1.140
, 2 EQ. SPS.
TOL. NON-ACCUM.
.750
, 3 EQ. SPS.
TOL. NON-ACCUM.
.750
1.140
123
456
789
10 11 12
.435
3.660
SQ.
TERMINAL PINS
13 PLCS.
.025
±
.002
R .430
.855 1.200
1.830
.435
REF. TYP..100
TERMINAL PIN
IDENTIFICATION
AHB J CK DL E MF NG
REF. TYP..100
ABCDE F G
TERMINAL PIN
IDENTIFICATION
2.540
±
.008
R .120
1.500
±
.008
Ø
.220
3.290
±
.008
3.660
±
.008
2.910
±
.008
.705
±
.008
1.610
±
.008
.440
±
.008 R .070
Rear Mount Front Mount
Recommended Panel Cut-out Matrix Output Single Pole/Common Bus
Notes:
1. All dimensions are Grayhill recommended minimums required to mount 84R Series 3x4 Keypads.
2. Terminal/Connector field openings are shown for single pole/common bus circuitry.
3. Maximum panel thickness:
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
Ø
.220
3.290
±.008
3.290 ±.008
R .120
3.660 ±.008
3.660
±.008
.810 ±.008
1.610
±.008
.440
±.008
R .070
2.040
±.008
REF. TYP..100
TERMINAL PIN
IDENTIFICATION
A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
S
Recommended Panel Cut-out Matrix Output Single Pole/Common Bus
4 X 4 DIMENSIONS in inches (and millimeters)
SQ.4.665
±
.020
SQ.3.660
Ø
.180
.375
.540
REF.
.149
1.830
1.480
.700
.503
R .430
SQ.
TERMINAL PINS
8 PLCS.
.025
±
.002
.503
.545
.435
.645
1.208
, 3 EQ. SPS.
TOL. NON-ACCUM.
.750
, 3 EQ. SPS.
TOL. NON-ACCUM.
.750
1.208
1234
5678
9101112
13 14 15 16
R .430
.503
1.030
1.600
1.830
SQ.
TERMINAL PINS
17 PLCS.
.025
±
.002
.503
REF. TYP..100
TERMINAL PIN
IDENTIFICATION
F
E
D
B
C
A
G
H
Notes:
1. All dimensions are Grayhill recommended minimums required to mount 84R Series 3x4 Keypads.
2. Terminal/Connector field openings are shown for single pole/common bus circuitry.
3. Maximum panel thickness:
Rear Mount Front Mount
CODE AND TRUTH TABLES
Dots in the chart indicate connected terminals when switch is closed. Terminals are identified on the keyboard.
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CODES
3x4 Matrix Single Pole/Common Bus
TERMINAL LOCATION
BUTTON LOCATION
C B A G F E D E C B F D A N K H M L J G
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CODES
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4x4 Matrix Single Pole/Common Bus
TERMINAL LOCATION
BUTTON LOCATION
A B C D E F G H
D B A C H F E G K M L J P R Q N S
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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
STANDARD LEGENDS
-112 -014 -000 -000
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 legend dash number.
HEADER CONNECTORS
Compatible with: Samtec, Inc. Header Series
BCS, BSW, CES, ESW, ESQ, SLW, SSW, SSQ,
IDSS and IDSD or equivalent.
AVAILABILITY
For prices and discounts, contact a local Sales
Office, an authorized local Distributor or Grayhill.
CUSTOM LEGENDS
Custom keytop graphics are available. Contact
a local Sales Office or Grayhill directly to enquire
about minimum requirements and costs.
Grayhill Series Number
Size Option: A = 3x4; B = 4x4
Circuitry Option
B2 = Matrix in-line pins
C2 = Single pole/common bus, in-line pins
84R-AB2-112-PD
Key Contact Option
D = Metal Domes; R = Conductive Rubber
Connector Option
P = Terminal Pins; C = Locking Connector
Standard Legend Choices
3x4 Size = -112; 4x4 Size = -014; Blank = -000
ORDERING INFORMATION
SPECIFICATIONS
Dome Contacts Rating Criteria
Rating at 24 Vdc:10 mA resistive (max)
Contact Bounce: 4 milliseconds maximum at
make; 10 milliseconds maximum at break
Contact Resistance: 10 ohms maximum
Voltage Breakdown: 250 V
Life Expectancy: 3 million operations/button
Insulation Resistance: 1000 MegOhms min.
Dome Contacts Operating Features
Pre-Travel: 0.030" minimum
Operating Force: 20 +4 ounces
Operating Temperature: -55°C to 85°C
Humidity: 0 to 98% (no condensation)
Rubber Contacts Rating Criteria
Rating at 24 Vdc: 5 mA for .5 seconds
Contact Bounce: less than 12 milliseconds
Contact Resistance: less than 100 ohms initial
Voltage Breakdown: 250 VAC between
components
Life Expectancy: 3 million operations/button
Insulation Resistance: >10 Ohms @500 VDC
Rubber Contacts Operating Features
Pre-Travel: 0.050" minimum
Operating Force: 175 +40 grams
Operating Temperature: -55°C to 85°C
Humidity: 0 to 98% (no condensation)
Materials and Finishes
PC Board: FR-4 Glass Cloth Epoxy
Dome Retainer/Rear Seal Sheet: Polyester
Housing/Buttons: Aluminum Alloy
Keypad/Gasket: Black Flourosilicone Rubber,
50 Durometer +5
Domes: Stainless Steel
Connector/Header: Glass Filled Polyester
Terminals: Gold Plated, Phosphor Bronze
