Keyboards and Keypads Standard Keypads SerieS 88 Sealed, Flange mounted FeatureS • Sealed Keyboard • Colorful Graphic Overlay • Audible, Snap-Dome Contact • User Legendable Styles • 3,000,000 Operations per Button • Optional Panel Seal Gasket to Protect Your Equipment DimenSionS in inches (and millimeters) 3x4 Keyboard .600 ± .010 .500 ± .010 (12,7 ± 0,25) .128 ± .010 (15,24 ± 0,25) (2 EQ. SPS.) TOL. NON- (3,25 ± 0,25) ACCUM. .072 .150 ± .005 ± .010 SWITCH KEY (3,81 ± 0,13) R. .280 ± .010 (1,83 IDENTIFICATION (7,11 ± 0,25) ± 0,25) (FOR REF. ONLY) .750 ± .010 (19,05 ± 0,25) .025 ± .002 1 2 3 ROW 1 (0,64 ± 0,05) 2.690 + .000/ SQUARE ROW 2 4 5 6 - .010 TERMINAL .500 .010 (68,33 + .000/ (12,7 ± 0,25) ROW 3 7 8 9 - 0,25) (3 EQ. SPS) TOL. NON- ROW 4 ACCUM. 10 11 12 .380 (9,65) SQ. TYP. .055 ± .010 .105 ± .010 (1,40 ± 0,25) .360 ± .010 (2,67 ± 0,25) (9,14 ± 0,25) 1.990 + .000 - .010 (50,55 + .000 - 0,25) BUTTON AREAS ARE EMBOSSED COL = COLUMN termination in inches (and millimeters) Code and truth table 2.200 ± .015 3x4 Dots in the chart indicate connected terminals (55,88 ± 0,38) when switch is closed. Terminals are identified on 2.000 ± .010 the keyboard. (50,8 ± 0,25) BUTTON NO. 1 .100 (2,54) .100 ± .010 .093 ± .005 TYP. CoDeS (2,54 ± 0,25) 3x4 (2,36 ± 0,13) matrix Single Pole/Common Bus DIA. 4 PLS. 1 • • • • A B C F G H L M N 2 • • • • .220 ± .010 3 • • • • (5,59 ± 25,4) 4 • • • • 2.800 5 • • 3.000 • • ± .010 6 • ± .015 • • • RETAINING (71,12 (76,2 7 • STUDS • • • ± 0,25) ± 0,38) 8 • • • • 9 • • • • 10 • • • • 11 • • • • 12 • • • • F E D K J H G J E A K F B L G C M H D N .200 ± .010 terminal loCation (5,08 ± 0,25) C OF 2.200 (55,88) DIM. L .600 1.200 .100 .100 TYP. TYP. A B C D E F G HJ K L M N D E F GH J K SINGLE POLE COMMON BUS TERMINAL MATRIX TERMINAL PIN-OUT Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com COL 1 COL 2 COL 3 Button loCation Keyboards and Keypads Standard Keypads SerieS 88 Sealed, Flange mounted FeatureS • Sealed Keyboard • Colorful Graphic Overlay • Audible, Snap-Dome Contact • User Legendable Styles • 3,000,000 Operations per Button • Optional Panel Seal Gasket to Protect Your Equipment DimenSionS in inches (and millimeters) 4x4 Keyboard .600 ± .010 .500 ± .010 (12,7 ± 0,25) .128 ± .010 (15,24 ± 0,25) (3 EQ. SPS.) TOL. NON- (3,25 ± 0,25) ACCUM. .072 .150 ± .005 SWITCH KEY ± .010 (3,81 ± 0,13) R. IDENTIFICATION (1,83 .280 ± .010 (FOR REF. ONLY) ± 0,25) (7,11 ± 0,25) .750 ± .010 (19,05 ± 0,25) .025 ± .002 1 2 3 4 ROW 1 (0,64 ± 0,05) 2.690 + .000/ SQUARE ROW 2 5 6 7 8 - .010 TERMINAL .500 .010 (68,33 + .000/ (12,7 ± 0,25) - 0,25) ROW 3 9 10 11 12 (3 EQ. SPS) TOL. NON- ROW 4 ACCUM. 13 14 15 16 .380 (9,65) SQ. TYP. .055 ± .010 .360 ± .010 (1,40 ± 0,25) .105 ± .010 (2,67 ± 0,25) (9,14 ± 0,25) 2.490 + .000 - .010 (63,25 + .000 - 0,25) BUTTON AREAS ARE EMBOSSED COL = COLUMN termination in inches (and millimeters) Code and truth table 2.700 ± .010 4x4 Dots in the chart indicate connected terminals when switch (68,58 ± 0,25) is closed. Terminals are identified on the keyboard. 2.500 ± .010 (63,5 ± 0,25) CODES .100 (2,54) 4x4 .100 ± .010 Matrix Single Pole/Common Bus TYP. BUTTON NO. 1 (2,54 ± 0,25) 1 .050 ± .003 • • • • .093 ± .005 2 (1,27 ± 0,08) • • • • (2,36 ± 0,13) 3 • • • • DIA. 4 PLS. 4 • • • • A B E F G K L M R S T 5 • • • • .220 ± .010 6 • • • • (5,59 ± 25,4) 7 • • • • 8 3.000 2.800 • • • • ± .015 ± .010 9 • • • • RETAINING (76,2 (71,12 10 STUDS • • • • ± 0,38) ± 0,25) 11 • • • • 12 • • • • 13 • • • • 14 • • • • 15 • • • • 16 • • • • P J E A R L F B S M H C T N G D K H G F E M L K J .200 ± .010 TERMINAL LOCATION (5,08 ± 0,25) C OF 2.700 (68,58) DIM. L Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com COL 1 COL 2 COL 3 COL 4 BUTTON LOCATION Keyboards and Keypads Standard Keypads SerieS 88 Sealed, Flange mounted FeatureS • Sealed Keyboard • Colorful Graphic Overlay • Audible, Snap-Dome Contact • User Legendable Styles • 3,000,000 Operations per Button • Optional Panel Seal Gasket to Protect Your Equipment DimenSionS in inches (and millimeters) 5x4 Keyboard .600 ± .010 .500 ± .010 (12,7 ± 0,25) .128 ± .010 (15,24 ± 0,25) (4 EQ. SPS.) TOL. NON- (3,25 ± 0,25) ACCUM. .072 .150 ± .005 SWITCH KEY ± .010 (3,81 ± 0,13) R. IDENTIFICATION .280 ± .010 (1,83 (FOR REF. ONLY) (7,11 ± 0,25) ± 0,25) .750 ± .010 (19,05 ± 0,25) .025 ± .002 1 2 3 4 5 ROW 1 (0,64 ± 0,05) 2.690 + .000/ SQUARE ROW 2 6 7 8 9 10 - .010 TERMINAL .500 .010 (68,33 + .000/ (12,7 ± 0,25) - 0,25) ROW 3 11 12 13 14 15 (3 EQ. SPS) TOL. NON- ROW 4 ACCUM. 16 17 18 19 20 .380 (9,65) SQ. TYP. .055 ± .010 .360 ± .010 .105 ± .010 (1,40 ± 0,25) (2,67 ± 0,25) (9,14 ± 0,25) 2.990 + .000 - .010 BUTTON AREAS ARE EMBOSSED (75,95 + .000 - 0,25) COL = COLUMN termination in inches (and millimeters) Code and truth table 3.200 ± .010 5x4 Keyboard Dots in the chart indicate connected terminals when switch is closed. (81,28 ± 0,25) Terminals are identified on the keyboard. 3.000 ± .010 (76,2 ± 0,25) BUTTON NO. 1 CoDeS .100 ± .010 .100 (2,54) 5x4 .093 ± .005 matrix Single Pole/Common Bus (2,54 ± 0,25) TYP. (2,36 ± 0,13) 1 • • • • DIA. 4 PLS. 2 • • • • 3 A D E F J K L P Q R U V W • • • • .220 ± .010 4 • • • • (5,59 ± 25,4) 5 • • • • 3.000 2.800 6 • • • • ± .015 ± .010 7 • • • • RETAINING (76,2 (71,12 8 • • • • STUDS ± 0,38) ± 0,25) 9 • • • • 10 • • • • 11 • • • • 12 • • • • 13 • • • • 14 • • • • 15 • • • • 16 • • C • • OF 3.200 (8,13) DIM. L 17 • • • • 18 • • • • 19 • • • • 20 • • • • P N K G F J L M H T P M H D U Q L G C V R K F B W S J E A N terminal loCation Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com COL 1 COL 2 COL 3 COL 4 COL 5 Button loCation Keyboards and Keypads Standard Keypads SPeCiFiCationS rating Criteria Contact Bounce: Less than 4 milliseconds at materials and Finishes rating at 24 Vdc: 10 milliamps, resistive make, 10 milliseconds at break housing: ABS polycarbonate, black Contact resistance: Compatible with MOS, temperature: -40°C to +80°C graphic overlay: Polyester TTL and DTL (10 ohms maximum) Contact Dome: Stainless steel, selectively Voltage Breakdown: 250 Vac between mutually gold- plated insulated parts operating Features Button travel: 0.015"(0,38 mm) nominal total terminals: Phosphor bronze life expectancy: 3,000,000 operations per button travel typical operating Force: 350 grams StanDarD legenDS Information section and choose one of the continues to look bright and bold throughout Colorful graphic overlays are polyester with clear window overlays below; then order a a tough acrylic bond to provide maximum the keyboard life. Available through distributors. sheet of legend inserts. Or, if you prefer, order For instant custom legends, order separate protection against dirt and moisture. Second the keyboard custom printed by Grayhill; see surface printed, the overlay wipes clean and blank keyboards as indicated in the Ordering Ordering Information. -143 -152 -172 88aB2, 88-101 88aC2 88BB2, -052 -072 -082 88-001 88BC2 -252 -262 88JB2, 88JC2 88-201 Sealing oF KeYBoarDS The graphic legend is silk-screen printed with the keyboard. There are two types of detergent solution, soapy water, 30% hydrogen on the second surface of a clear polyester gaskets: one for mounting the keyboard beneath peroxide, wine, beer, whiskey, coffee, cocoa, milk, film, providing maximum legend protection. tomato juice, lemon juice, etc. Hydrocarbons, the panel, and one for mounting it above the It withstands high humidity, and it is resistant equipment panel. See Panel Seal Gaskets. ketones and freon do not affect the overlay. to scratching, marring, and dulling of the But, we recommend that you do not subject the surface caused by fingernails, wiping cloths, The contact system is internally sealed by a keyboard to these chemicals, since they may and cleaning materials. It has excellent solvent special adhesive backed sheet that holds the affect the switch housing, which is ABS plastic. To resistance to water, petroleum oil, alcohols discuss a particular solvent, contact Grayhill. domes in position on the PC board. and aliphatic hydrocarbons. Protect your equipment in outdoor or harsh These common liquids do not attack the environmental conditions by sealing the keyboard overlay: 5% acetic acid, 5% citric acid, 2% to the equipment panel. Use an optional gasket 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 Panel Seal gaSKetS Subpanel mounting topside mounting Weatherproof and waterproof your subpanel and topside mounted keyboards with optional DIM. C panel seal gaskets. 2.710 DIM. A 2.850 2.500 ± .005 ± .005 ± .005 3.200 Subpanel keyboard gasket is .062" (1,57 mm) (68,83 (72,39 (63,5 ± .005 ± 0,13) ± 0,13) thick; topside keyboard gasket is .094" (2,39 ± 0,13) (81,28 ± 0,13) mm). Material is cellulose fiber, foam, nitrile rubber. Order gaskets separately from keyboard. DIM. D DIM. B Size of Subpanel mount topside mount Keyboard Dim. a Dim. B Dim. C Dim. D Subpanel 3x4 Part no. 88m2001-2 Subpanel 4x4 Part no. 88m2009-2 3x4 2.010 ± .005 2.400 ± .005 1.800 ± .005 2.040 ± .005 Subpanel 5x4 Part no. 88m2019-1 (51,05 ± 0,.13) (60,96 ± 0,13) (45,72 ± 0,13) (51,82 ± 0,13) Topside 3x4 Part no. 88m2012-1 4x4 2.510 ± .005 2.900 ± .005 2.300 ± .005 2.540 ± .005 Topside 4x4 Part no. 88m2015-1 (63,75 ± 0,13) (73,66 ± 0,13) (58,42 ± 0,13) (64,52 ± 0,13) Topside 5x4 Part no. 88m2018-1 5x4 3.010 ± .005 3.400 ± .005 2.800 ± .005 3.040 ± .005 (76,45 ± 0,13) (86,36 ± 0,13) (71,12 ± 0,13) (77,22 ± 0,13) inStant CuStom legenDS PrinteD legenDS not available through Distributors. For medium volume applications, or where legends cannot available through Distributors button. Legends are printed in black on clear be produced by the self legend method, you Create your own legends using these 3 items: 1) film in News Gothic Condensed type style. They can order epoxy ink printed legends. Virtually a blank keyboard, 2) the clear window overlays include letters A through Z, numbers 0-69, shown on Standard Legend page and 3) a sheet anything which can be photographed can be telephone legends, commonly used words, printed. Grayhill will print your legend and then of legend inserts. symbols and blanks. add the clear window overlay. Part no. 87aC2046 Blank Keyboards The numbers below order blank keyboards for Use matching dry transfer lettering on blank type Simulated Character & line the user to legend. For description, refer to the inserts of legend sheet: upper and lower case i.D. no. Style & Size limitations * part numbering scheme below. The keyboards letters, 0-9, and common symbols. END and overlays are ordered separately. 4gh088 Small Print Part no. 87-Dt-2096-088 ABCDEFGH DATA 3x4 Matrix Part no. 88aB2 Medium Print Part no. 87-Dt-2096-125 3x4 SP/Com Bus Part no. 88aC2 Large Print Part no. 87-Dt-2096-187 4x4 Matrix Part no. 88BB2 1gh125 ABCDE LAD 4x4 SP/Com Bus Part no. 88BC2 Clear Window overlays 5x4 Matrix Part no. 88JB2 Order separately from keyboards. See also 5x4 SP/Com Bus Part no. 88JC2 3gh187 ON ordering information. ABCD 3x4 Overlay Part no. 88-101 legend insert Sheet and Dry transfers 4x4 Overlay Part no. 88-001 Self-adhesive inserts are die-cut to fit the 2gh250 5x4 Overlay Part no. 88-201 ABC 15 orDering inFormation available from your local grayhill Distributor. For prices and discounts, contact a local grayhill Series number Sales Office, an authorized local Distributor or Size option Grayhill. A = 3x4 B = 4x4 J = 5x4 Circuitry option B2 = Matrix code C2 = Single pole/common bus 88aB2–152 Standard legend Choices 3x4 Size: -143, -152, or -172 4x4 Size: -052, -072 or -082 5x4 Size: -252 or -262 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com