Keyboards and Keypads Standard Keypads SerieS 84LS 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 DeScriPtion The Series 84LS is the low profile 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) 3x4 Keyboard matrix output Single Pole/common Bus .100 (2,54) TYP. .100 (2,54) TYP. .750 (19,05) 3 EQ. SPS. SWITCH POSITION .525 (13,34) .225 (5,72) TOL. NON-ACCUM. IDENTIFICATION #6-32 MTG #6-32 MTG STUD STUD .025 ± .002 4 PLACES 4 PLACES (0,64 ± 0,05) SQ. 1 2 3 TERMINAL PINS 4 5 6 .490 3.100 ± .020 1.500 1.500 .425 (12,45) (78,74 ± 0,51) (10,80) (38,1) .750 (38,1) SQ. .750 7 8 9 (19,05) (19,05) LABEL LABEL 10 11 12 .368 ± .015 .425 (10,80) .800 .800 (9,35 ± 0,38) (20,32) (20,32) .350 .350 .750 (19,05) 2 EQ. SPS. .267 ± .015 (8,89) (8,89) TOL. NON-ACCUM. (6,78 ± 0,38) .455 (11,56) SQ. 1.650 (41,91) 1.650 (41,91) .357 (9,07) PRINTABLE AREA 2.350 ± .020 .207 (5,26) (59,69 ± 0,51) .100 (2,54) REF. TERMINAL .100 (2,54) REF. TERMINAL PIN HEADER PIN HEADER TERMINAL PIN TERMINAL PIN IDENTIFICATION IDENTIFICATION TEMINAL PINS PULLED IN THESE A H B J C K D L E M F N G LOCATIONS A B C D E F G 1x4 Keyboard .098 (2,49) REF. TERMINAL .098 (2,49) REF. TERMINAL PIN HEADER PIN HEADER E D C B A (ORIENTATED PER BOTTOM VIEW) Single Pole/common Bus 4.500 3.875 [ 114,3] [ 98,43] .500 .100 REF. SWITCH POSITION #4-40 MTG .563 1.125 3 EQ. SPS. .352 [ 12,7] [ 2,54] INDENTIFICATION STUD [14,29] [ 28,58] [ 8,94] 3 PLACES TERMINAL 8 PLACES TOL. NON-ACCUM. PIN HEADER .025 SQ. [ 0,64] TERMINAL .455 SQ. 1.125 .500 PINS 1 [11,56] 2 3 4 [ 28,58] [ 12,7] R.050 4 PLACES [ 1,27] .202 .660 SQ. .313 LABEL [ 5,13] [ 16,76] [ 7,94] .302 1.125 [ 7,67] [ 28,58] 3 PLACES SPS. .475 [ 12,07] Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Keyboards and Keypads Standard Keypads DimenSionS in inches (and millimeters) 4x4 Keyboard matrix output Single Pole/common Bus .750 (19,05) 3 EQ. SPS. SWITCH POSITION .490 (12,45) .490 (12,45) #6-32 MTG #6-32 MTG TOL. NON-ACCUM. IDENTIFICATION .750 .750 STUD STUD .025 ± .002 (19,05) (19,05) 6 PLACES 6 PLACES (0,64 ± 0,05) SQ. 1 2 3 4 TERMINAL .100 .100 PINS (2,54) (2,54) 2.250 5 6 7 8 2.250 .490 TYP. TYP. 3.100 ± .020 (57,15) .425 (57,15) (12,45) (78,74 ± 0,51) (10,80) SQ. 9 10 11 12 1.125 1.125 .775 (28,58) (28,58) (19,69) .800 13 14 15 16 (20,32) .425 .425 .368 ± .015 .425 (10,80) .310 (10,80) .310 (7,87) (10,80) (9,35 ± 0,38) 1.500 1.500 (7,87) .750 (19,05) 3 EQ. SPS. LABEL LABEL .267 ± .015 (38,1) (38,1) TOL. NON-ACCUM. 2.120 2.120 (53,85) (6,78 ± 0,38) (53,85) .455 (11,56) SQ. .357 (9,07) PRINTABLE AREA 3.100 ± .020 .098 (2,49) REF. .098 (2,49) REF. .207 (5,26) (78,74 ± 0,51) TERMINAL TERMINAL PIN HEADER PIN HEADER TERMINAL PIN TERMINAL PIN 1x1 Keyboard F A B E IDENTIFICATION IDENTIFICATION #4-40 MTG STUD (ALSO C 1.125 D SERVE AS TERMINALS) .100 (2,54) REF. .100 (2,54) REF. B D ±.020 TERMINAL TERMINAL .500 E C .562 PIN HEADER .313 PIN HEADER F A G G H H J 1.125 .490 .500 K ±.020 SQ. .562 L .313 M N P .500 .366 SQ. LABEL Q BUTTON AREA .270 R S .362 ±.015 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 identified on the keyboard. 4 Button Keypads 12 Button Keypads 16 Button Keypads CODES CODES CODES 1x4 3x4 4x4 PINS Matrix Single Pole/Common Bus Matrix Single Pole/Common Bus 1 1 1 • • • • • • • • • • 2 2 2 • • • • • • • • • • 3 3 3 • • • • • • • • • • 4 4 4 • • • • • • • • • • 5 A B C D E 5 • • • • • • • • 6 6 TERMINAL • • • • • • • • 7 LOCATION 7 • • • • • • • • 8 8 • • • • • • • • 9 9 • • • • • • • • 10 10 • • • • • • • • 11 11 • • • • • • • • 12 12 • • • • • • • • 13 C B A G F E D E C B F D A N K H M L J G • • • • 14 • • TERMINAL LOCATION • • 15 • • • • 16 • • • • 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 TERMINAL LOCATION Life expectancy: 3 million operations/button materials and Finishes SPeciFicationS insulation resistance: 1,000 megohms terminal Pins: Copper alloy CDA 725 rating criteria Pc Board: FR-4 glass cloth epoxy rating at 24 Vdc: ≤ 10 milliamps resistive Dome retainer/rear Seal Sheet: Polyester operating Features contact Bounce: 4 milliseconds maximum at mounting Studs: Phosphor bronze Pre-travel: .030 inches minimum make; 10 milliseconds, at break optional hex nut: Stainless steel, passivated operating Force: 20 ± 4 ounces contact resistance: MOS, TTL, and DTL optional emi Shield: Aluminum foil humidity: 0 to 98% (no condensation) compatible. (10 ohms maximum) Keypad: Silicone rubber operating temperature: -55°C to 85°C minimum Push out Force Per Pin: 5 pounds Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com BUTTON LOCATION BUTTON LOCATION BUTTON LOCATION Keyboards and Keypads Standard Keypads Frequency rating Shielding effectiveness the frequency source that was radiated from the mhz in dB Results shown are typical for a standard Grayhill transmitting antenna to the enclosed receiving 0.1 66.2 Series 84LS Keyboard. A conductive gasket will antenna. The spacing between antennas was 10 94.8 generally increase the shielding, depending on maintained constant throughout the frequency 100 89.0 the size and shape of the gasket and its material. range. The effectiveness rating is determined 400 70.6 Data derived for E-Field Radiation. by establishing a reference reading without 800 42.5 obstruction between the two antennas and ShieLDinG eFFectiVeneSS oF 84S-ac2 2,000 39.5 dB determining the difference between that reading 100 6,000 32.6 and the test setup reading. 10,000 45.2 80 note: 18,000 42.2 60 When measured in actual equipment, shielding effectiveness is determined by many factors. test method: 40 This method accurately represents the shielding Measurements were made with the keyboard effectiveness of the Grayhill Series 84LS under 20 mounted to a brass plate, which in turn was ideal test conditions. mounted to a shielded enclosure containing the 0 receiving equipment. A signal generator provided 0.1 10 100 400 800 2000 6000 10000 18000 MHz Represents shielding effectiveness greater than or equal to line. StanDarD LeGenDS 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. ABC DEF ABC DEF 1 2 3 1 2 3 C A 1 2 3 1 2 3 GHI JKL MNO GHI JKL MNO 4 5 4 5 D 6 6 B 4 5 6 4 5 6 PRS TUV WXY PRS TUV WXY 7 8 9 7 8 9 E C 7 8 9 7 8 9 OPER OPER A B F 0 0 D 0 0 -112 -014 -113 -016 A 1 B C D 2 3 4 A 1 2 3 4 B C D -301 -302 -201 cuStom LeGenDS heaDer connectorS Any reasonable legend can be printed in the will be matched as closely as possible. Allow compatible with: key area. Fax a sketch of your requirements to 3 to 4 weeks for custom legend delivery. A Samtec, inc. Header Series Grayhill. Printing and symbols will be coordinated nominal charge, depending on the total quantity BCS, BSW, CES, ESW, ESQ, in keeping with concepts of good design. Or, if SLW, SSW, SSQ, IDSS and of keypads ordered and the complexity of the required, the details of your submitted artwork legend, will be assessed. IDSD or equivalent. orDerinG inFormation available from your local Grayhill Distributor. Grayhill Series number For prices and discounts, contact a local Shielded or non-Shielded option Sales Office, an authorized local distributor or S = Shielded Grayhill. SN = Non-Shielded Size option A = 3x4 B = 4x4 C = 1x1 F = 1x4 circuitry option B2 = Matrix in-line pins C2 = Single pole/common bus, in-line pins 84LS-ac2-113-n mounting nut option N = Provided with hex nuts for mounting Blank = Nuts not provided Standard Legend choices 3x4 Size, choose -112 or -113 4x4 Size, choose -014 or -016 1x4 Size, choose -301 or -302 1x1 Size, choose -201 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com