Grayhill Keypads 84LS User Manual

SERIES 84LS

SWITCH POSITION
IDENTIFICATION

.425

(10,80)

3.100 ± .020

(78,74 ± 0,51)

.750 (19,05) 3 EQ. SPS.

TOL. NON-ACCUM.

.425 (10,80)

.750 (19,05) 2 EQ. SPS.
TOL. NON-ACCUM.

.455 (11,56) SQ.
PRINTABLE AREA

2.350 ± .020

(59,69 ± 0,51)

.490

(12,45)

SQ.

.368 ± .015
(9,35 ± 0,38)
.267 ± .015
(6,78 ± 0,38)

.357 (9,07)
.207 (5,26)

.025 ± .002

(0,64 ± 0,05) SQ.

TERMINAL

PINS

1.650 (41,91)

.350
(8,89)

.800

(20,32)

1.500
(38,1)

.750

(19,05)

.525 (13,34)

.100 (2,54) TYP.

#6-32 MTG
STUD
4 PLACES

.098 (2,49) REF. TERMINAL
PIN HEADER

.100 (2,54) REF. TERMINAL
PIN HEADER

A B C D E F G

TERMINAL PIN
IDENTIFICATION

LABEL

1

4

7

10

2

5

8

11

3

6

9

12

1.650 (41,91)

.800

(20,32)

1.500
(38,1)

.750

(19,05)

.225 (5,72)

.100 (2,54) TYP.

#6-32 MTG
STUD
4 PLACES

.098 (2,49) REF. TERMINAL
PIN HEADER

.100 (2,54) REF. TERMINAL
PIN HEADER

A H B J C K D L E M F N G

TERMINAL PIN
IDENTIFICATION

LABEL

.350
(8,89)

4.500
114,3[]

1.125
28,58[]

R 4 PLACES.050

1,27[]

SQ..660

16,76[]

SQ..455

11,56[]

.475

12,07[]

.563

14,29[]

3 EQ. SPS.

TOL. NON-ACCUM.

1.125
28,58[]

.202

5,13[]

.352

8,94[]

.302

7,67[]

SQ.

TERMINAL
PINS

.025

0,64[]

.313

7,94[]

3 PLACES

.500

12,7[]

3 PLACES SPS.

1.125
28,58[]

.500

12,7[]

3.875
98,43[]

REF.

TERMINAL
PIN HEADER

.100

2,54[]

1

23

4

A

B

CD

E

(ORIENTATED PER BOTTOM VIEW)

SWITCH POSITION
INDENTIFICATION

LABEL

#4-40 MTG
STUD
8 PLACES

TEMINAL PINS
PULLED IN THESE
LOCATIONS

Sealed, Low Profile

FEATURES

• Waterproof Silicone Rubber

• Easily Customized Legends

• Audible, Tactile Contacts

• Low Contact Resistance

• Optional RFI/EMI Shielding

• 3,000,000 Operations per Button

Keyboards and Keypads

DESCRIPTION

The Series 84LS is the low prole version of Grayhill's
popular Series 84S sealed keypads. These keypads are
legended by epoxy ink printing the rubber key tops. Custom
legends and colors are available at a nominal cost. The
Series 84LS is offered with a choice of matrix or single
pole/common bus circuitries and EMI shielding.

DIMENSIONS in inches (and millimeters)

Standard Keypads

3x4 Keyboard Matrix Output Single Pole/Common Bus

1x4 Keyboard

Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: [phone] • Fax: [phone] • www.grayhill.com

Single Pole/Common Bus

Standard Keypads

.098 (2,49) REF.
TERMINAL
PIN HEADER

.100 (2,54) REF.

TERMINAL

PIN HEADER

F
E
D
B
C
A
G
H

TERMINAL PIN
IDENTIFICATION

SWITCH POSITION
IDENTIFICATION

.425

(10,80)

3.100 ± .020

(78,74 ± 0,51)

.750 (19,05) 3 EQ. SPS.

TOL. NON-ACCUM.

.425 (10,80)

.750 (19,05) 3 EQ. SPS.
TOL. NON-ACCUM.

.455 (11,56) SQ.
PRINTABLE AREA

3.100 ± .020

(78,74 ± 0,51)

.490

(12,45)

SQ.

.368 ± .015
(9,35 ± 0,38)

.267 ± .015
(6,78 ± 0,38)

.357 (9,07)

.207 (5,26)

.025 ± .002

(0,64 ± 0,05) SQ.

TERMINAL

PINS

.775

(19,69)

.100

(2,54)

TYP.

.310
(7,87)

1.500
(38,1)

2.120
(53,85)

1.125

(28,58)

2.250

(57,15)

.750

(19,05)

.490 (12,45)

LABEL

#6-32 MTG
STUD
6 PLACES

1

5

9

13

2

6

10

14

3

7

11

15

4

8

12

16

.098 (2,49) REF.
TERMINAL
PIN HEADER

.100 (2,54) REF.

TERMINAL

PIN HEADER

A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
S

TERMINAL PIN
IDENTIFICATION

.100

(2,54)

TYP.

.310 (7,87)

1.500
(38,1)

2.120 (53,85)

1.125

(28,58)

2.250

(57,15)

.750

(19,05)

.490 (12,45)

LABEL

#6-32 MTG
STUD
6 PLACES

.425
(10,80)

.425
(10,80)

.800

(20,32)

1
2
3
4
5
6
7
8

9
10
11
12

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

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

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

1
2
3
4

CODES

1x4

PINS

TERMINAL
LOCATION

BUTTON

LOCATION

A B C D E

•

•

•

•

•

•

•

•

CODES

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16

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

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

1.125
±.020

.562

.562

1.125
±.020

.366 SQ.
BUTTON AREA

#4-40 MTG STUD (ALSO
SERVE AS TERMINALS)

.500

.500

.313

.313

LABEL

.490
SQ.

.500

.270

.362 ±.015

DIMENSIONS in inches (and millimeters)

4x4 Keyboard Matrix Output Single Pole/Common Bus

1x1 Keyboard

Keyboards and Keypads

CODE AND TRUTH TABLES

The chart indicates the relationship of the terminal pins to each key switch.
The dot indicates a closed switch. Terminals are identied on the keyboard.

SPECIFICATIONS

Rating Criteria

Rating at 24 Vdc: ≤ 10 milliamps resistive
Contact Bounce: 4 milliseconds maximum at

make; 10 milliseconds, at break
Contact Resistance: MOS, TTL, and DTL
compatible. (10 ohms maximum)
Operating Temperature: -55°C to 85°C

Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: [phone] • Fax: [phone] • www.grayhill.com

4 Button Keypads

12 Button Keypads

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)
Minimum Push Out Force Per Pin: 5 pounds

16 Button Keypads

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