88AB2-182

Sealed Keyboards SERIES 88 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 Versatile Keyboards That Work Indoors Or Outdoors Keyboards and Keyboard Modules DIMENSIONS In inches (and millimeters) 3x4 Keyboard .600 ± .010 (15,24 ± 0,25) .128 ± .010 (3,25 ± 0,25) .500 ± .010 (12,7 ± 0,25) (2 EQ. SPS.) TOL. NONACCUM. .150 ± .005 (3,81 ± 0,13) R. .072 ± .010 (1,83 ± 0,25) SWITCH KEY IDENTIFICATION (FOR REF. ONLY) .280 ± .010 (7,11 ± 0,25) .750 ± .010 (19,05 ± 0,25) 1 .500 .010 (12,7 ± 0,25) (3 EQ. SPS) TOL. NONACCUM. 2 3 4 5 6 7 8 9 2.690 + .000/ ROW 2 - .010 (68,33 + .000/ ROW 3 - 0,25) ROW 4 COL 3 COL 1 .105 ± .010 (2,67 ± 0,25) COL 2 10 11 12 .380 (9,65) SQ. TYP. .025 ± .002 (0,64 ± 0,05) SQUARE TERMINAL ROW 1 .055 ± .010 (1,40 ± 0,25) .360 ± .010 (9,14 ± 0,25) 1.990 + .000 - .010 (50,55 + .000 - 0,25) BUTTON AREAS ARE EMBOSSED COL = COLUMN Code and Truth Table In inches (and millimeters) 2.200 ± .015 (55,88 ± 0,38) 3x4 Dots in the chart indicate connected terminals when switch is closed. Terminals are identified on the keyboard. 2.000 ± .010 (50,8 ± 0,25) .100 ± .010 (2,54 ± 0,25) ABC 3.000 ± .015 (76,2 ± 0,38) BUTTON NO. 1 .093 ± .005 (2,36 ± 0,13) DIA. 4 PLS. .100 (2,54) TYP. 2.800 ± .010 (71,12 ± 0,25) FGH LMN .220 ± .010 (5,59 ± 25,4) RETAINING STUDS CODES 3x4 BUTTON LOCATION Termination 1 2 3 4 5 6 7 8 9 10 11 12 Matrix Single Pole/Common Bus • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • F E D K J H G J E A K F B L G C M H D N .200 ± .010 (5,08 ± 0,25) TERMINAL LOCATION CL OF 2.200 (55,88) DIM. Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • http://www.grayhill.com C-28 Sealed Keyboards SERIES 88 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 Versatile Keyboards that Work Indoors or Outdoors 4x4 Keyboard .600 ± .010 (15,24 ± 0,25) .500 ± .010 (12,7 ± 0,25) (3 EQ. SPS.) TOL. NONACCUM. .150 ± .005 (3,81 ± 0,13) R. .128 ± .010 (3,25 ± 0,25) .072 ± .010 (1,83 ± 0,25) SWITCH KEY IDENTIFICATION (FOR REF. ONLY) .280 ± .010 (7,11 ± 0,25) .750 ± .010 (19,05 ± 0,25) 1 7 4 8 9 10 11 12 13 14 15 16 COL 4 .105 ± .010 (2,67 ± 0,25) 6 3 COL 3 .380 (9,65) SQ. TYP. 5 COL 2 .500 .010 (12,7 ± 0,25) (3 EQ. SPS) TOL. NONACCUM. 2 COL 1 .025 ± .002 (0,64 ± 0,05) SQUARE TERMINAL ROW 1 2.690 + .000/ ROW 2 - .010 (68,33 + .000/ 0,25) ROW 3 ROW 4 .055 ± .010 (1,40 ± 0,25) .360 ± .010 (9,14 ± 0,25) 2.490 + .000 - .010 (63,25 + .000 - 0,25) BUTTON AREAS ARE EMBOSSED COL = COLUMN Termination Code and Truth Table In inches (and millimeters) 4x4 Dots in the chart indicate connected terminals when switch is closed. Terminals are identified on the keyboard. 2.700 ± .010 (68,58 ± 0,25) 2.500 ± .010 (63,5 ± 0,25) .100 ± .010 (2,54 ± 0,25) AB 3.000 ± .015 (76,2 ± 0,38) EFG 2.800 ± .010 (71,12 ± 0,25) CODES 4x4 .100 (2,54) TYP. .050 ± .003 (1,27 ± 0,08) BUTTON NO. 1 .093 ± .005 (2,36 ± 0,13) DIA. 4 PLS. KLM RST .220 ± .010 (5,59 ± 25,4) RETAINING STUDS BUTTON LOCATION Keyboards and Keyboard Modules DIMENSIONS In inches (and millimeters) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Matrix • • • • • • • • • • • • • • • • • • • • Single Pole/Common Bus • • • • • • • • • • • • • H G F E M L K J .200 ± .010 (5,08 ± 0,25) C-29 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • P J E A R L F B S M H C T N G D K TERMINAL LOCATION CL OF 2.700 (68,58) DIM. Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • http://www.grayhill.com Sealed Keyboards SERIES 88 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 Versatile Keyboards that Work Indoors or Outdoors Keyboards and Keyboard Modules DIMENSIONS In inches (and millimeters) 5x4 Keyboard .600 ± .010 (15,24 ± 0,25) .500 ± .010 (12,7 ± 0,25) (4 EQ. SPS.) TOL. NONACCUM. .128 ± .010 (3,25 ± 0,25) .150 ± .005 (3,81 ± 0,13) R. .072 ± .010 (1,83 ± 0,25) SWITCH KEY IDENTIFICATION (FOR REF. ONLY) .280 ± .010 (7,11 ± 0,25) .750 ± .010 (19,05 ± 0,25) 1 2 6 .500 .010 (12,7 ± 0,25) (3 EQ. SPS) TOL. NONACCUM. 7 3 8 4 5 9 10 11 12 13 14 15 2.690 + .000/ ROW 2 - .010 (68,33 + .000/ 0,25) ROW 3 ROW 4 COL 5 COL 4 COL 3 .105 ± .010 (2,67 ± 0,25) COL 2 .380 (9,65) SQ. TYP. COL 1 16 17 18 19 20 .025 ± .002 (0,64 ± 0,05) SQUARE TERMINAL ROW 1 .055 ± .010 (1,40 ± 0,25) .360 ± .010 (9,14 ± 0,25) 2.990 + .000 - .010 (75,95 + .000 - 0,25) BUTTON AREAS ARE EMBOSSED COL = COLUMN Code and Truth Table In inches (and millimeters) 5x4 Dots in the chart indicate connected terminals when switch is closed. Terminals are identified on the keyboard. 3.200 ± .010 (81,28 ± 0,25) 3.000 ± .010 (76,2 ± 0,25) .100 ± .010 (2,54 ± 0,25) .100 (2,54) TYP. A 3.000 ± .015 (76,2 ± 0,38) DEF JKL PQR CODES 5x4 BUTTON NO. 1 .093 ± .005 (2,36 ± 0,13) DIA. 4 PLS. UVW .220 ± .010 (5,59 ± 25,4) 2.800 ± .010 (71,12 ± 0,25) RETAINING STUDS CL OF 3.200 (8,13) DIM. BUTTON LOCATION Termination 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Matrix • • • • • • • • • • • • • • •• • • • • • • • • • Single Pole/Common Bus • • • • • • • • • • • • • • • • P N K G F J L MH • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •• T P M H D U Q L GC V R K F BW 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 • http://www.grayhill.com C-30 Sealed Keyboards SPECIFICATIONS Rating Criteria Rating at 24 Vdc: 10 milliamps, resistive Contact Resistance: Compatible with MOS, TTL and DTL (10 ohms maximum) Voltage Breakdown: 250 Vac between mutually insulated parts Life Expectancy: 3,000,000 operations per button Contact Bounce: Less than 4 milliseconds at make, 10 milliseconds at break Temperature: -40°C to +80°C Operating Features Button Travel: 0.015"(0,38 mm) nominal total travel Typical Operating Force: 350 grams Materials and Finishes Housing: ABS polycarbonate, black Graphic Overlay: Polyester Contact Dome: Stainless steel, selectively gold plated Terminals: Copper alloy, CDA No. 725. Tinlead plated STANDARD LEGENDS Keyboards and Keyboard Modules Colorful graphic overlays are polyester with a tough acrylic bond to provide maximum protection against dirt and moisture. Second surface printed, the overlay wipes clean and -143 continues to look bright and bold throughout the keyboard life. Available through distributors. For instant custom legends, order separate blank keyboards as indicated in the Ordering -152 Information section and choose one of the clear window overlays below; then order a sheet of legend inserts. Or, if you prefer, order the keyboard custom printed by Grayhill; see Ordering Information. -172 88-101 -052 -072 -252 -082 -262 88-001 88AB2, 88AC2 88BB2, 88BC2 88JB2, 88JC2 88-201 SEALING OF KEYBOARDS The graphic legend is silk-screen printed on the second surface of a clear polyester film, providing maximum legend protection. It withstands high humidity, and it is resistant to scratching, marring, and dulling of the surface caused by fingernails, wiping cloths, and cleaning materials. It has excellent solvent resistance to water, petroleum oil, alcohols and aliphatic hydrocarbons. detergent solution, soapy water, 30% hydrogen peroxide, wine, beer, whiskey, coffee, cocoa, milk, tomato juice, lemon juice, etc. Hydrocarbons, ketones and freon do not affect the overlay. But, we recommend that you do not subject the keyboard to these chemicals, since they may affect the switch housing, which is ABS plastic. To discuss a particular solvent, contact Grayhill. These common liquids do not attack the overlay: 5% acetic acid, 5% citric acid, 2% Protect your equipment in outdoor or harsh environmental conditions by sealing the C-31 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois keyboard to the equipment panel. Use an optional gasket with the keyboard. There are two types of gaskets: one for mounting the keyboard beneath the panel, and one for mounting it above the equipment panel. See Panel Seal Gaskets. The contact system is internally sealed by a special adhesive backed sheet that holds the domes in position on the PC board. 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • http://www.grayhill.com Sealed Keyboards PANEL SEAL GASKETS Subpanel Mounting Topside Mounting Weatherproof and waterproof your subpanel and topside mounted keyboards with optional panel seal gaskets. DIM. C Subpanel keyboard gasket is .062" (1,57 mm) thick; topside keyboard gasket is .094" (2,39 mm). 3.200 ± .005 (81,28 ± 0,13) 2.710 ± .005 (68,83 ± 0,13) 2.850 ± .005 (72,39 ± 0,13) DIM. A 2.500 ± .005 (63,5 ± 0,13) DIM. D DIM. B Subpanel 3x4 Subpanel 4x4 Subpanel 5x4 Part No. 88M2001-2 Part No. 88M2009-2 Part No. 88M2019-1 Topside 3x4 Topside 4x4 Topside 5x4 Part No. 88M2012-1 Part No. 88M2015-1 Part No. 88M2018-1 Size of Keyboard Subpanel Mount Dim. A Dim. B Blank Keyboards The numbers below order blank keyboards for the user to legend. For description, refer to the part numbering scheme below. The keyboards and overlays are ordered separately. 3x4 Matrix Part No. 88AB2 3x4 SP/Com Bus Part No. 88AC2 4x4 Matrix Part No. 88BB2 4x4 SP/Com Bus Part No. 88BC2 5x4 Matrix Part No. 88JB2 5x4 SP/Com Bus Part No. 88JC2 Legend Insert Sheet and Dry Transfers Self-adhesive inserts are die-cut to fit the button. Topside Mount Dim. C Dim. D 3x4 2.010 ± .005 (51,05 ± 0,.13) 2.400 ± .005 (60,96 ± 0,13) 1.800 ± .005 (45,72 ± 0,13) 2.040 ± .005 (51,82 ± 0,13) 4x4 2.510 ± .005 (63,75 ± 0,13) 2.900 ± .005 (73,66 ± 0,13) 2.300 ± .005 (58,42 ± 0,13) 2.540 ± .005 (64,52 ± 0,13) 5x4 3.010 ± .005 (76,45 ± 0,13) 3.400 ± .005 (86,36 ± 0,13) 2.800 ± .005 (71,12 ± 0,13) 3.040 ± .005 (77,22 ± 0,13) INSTANT CUSTOM LEGENDS Available through Distributors Create your own legends using these 3 items: 1) a blank keyboard, 2) the clear window overlays shown on Standard Legend page, and 3) a sheet of legend inserts. Keyboards and Keyboard Modules Material is cellulose fiber, foam, nitrile rubber. Order gaskets separately from keyboard. PRINTED LEGENDS Legends are printed in black on clear film in News Gothic Condensed type style. They include letters A through Z, numbers 0-69, telephone legends, commonly used words and symbols, and blanks. Part No. 87AC2046 Use matching dry transfer lettering on blank inserts of legend sheet: upper and lower case letters, 0-9, and common symbols. Small Print Part No. 87-DT-2096-088 Medium Print Part No. 87-DT-2096-125 Large Print Part No. 87-DT-2096-187 Clear Window Overlays Order separately from keyboards. See also ordering information. 3x4 Overlay Part No. 88-101 4x4 Overlay Part No. 88-001 5x4 Overlay Part No. 88-201 Not available through Distributors For medium volume applications, or where legends cannot be produced by the self legend method, you can order epoxy ink printed legends. Virtually anything which can be photographed can be printed. Grayhill will print your legend and then add the clear window overlay. Type I.D. No. Simulated Style & Size Character & Line Limitations * 4GH088 ABCDEFGH END DATA 1GH125 ABCDE LAD 3GH187 ABCD ON 2GH250 ABC 15 ORDERING INFORMATION Grayhill Series Number Size Option A = 3x4 B = 4x4 J = 5x4 Circuitry Option B2 = Matrix code C2 = Single pole/common bus Available from your local Grayhill Distributor For prices and discounts, contact a local Sales Office, an authorized local Distributor, or Grayhill. 88AB2–152 Standard Legend Choices 3x4 Size: -143, -152, -172 or -182 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 • http://www.grayhill.com C-32 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Grayhill: 88AB2-143 88AB2-152 88AB2-172 88BB2-052 88BB2-072 88BB2-082 88JB2-252 88JB2-262 88BC2-052 88JC2-262 88JC2-252 88AC2-172 88BC2-072 88AC2-182 88BC2-082 88AB2-182 88AC2-152 88AC2-143