Keyboards and Keypads Standard Keypads SerieS 87 low Profile FeatureS • 1, 2, 3, 4, 5 and 6 Button Individual Keyswitches • 12 and 16 Button Keypads 1 • Maintain /2" Button Centers, no Matter How You Mount Modules or What Combination You Use • Up to 3,000,000 Operations per Button • Low Profile Design BUTTON legends For any need Snap Dome Contact System Design Keyboards and Individual Keyswitches hear and feel button actuation HOUSING to Virtually any Configuration Without Costly You're assured of reliable button actuation Tooling. with the metal snap-dome under each Series DOME Prototypes and small quantities: create your 87 button. When actuated, the dome changes own with economical, insertable legend style shape, providing audible and tactile feedback modules. to the operator. CIRCUIT PC BOARD Production quantities: choose either custom PATH printing or permanent molded-in legends. DimenSionS in inches (and millimeters) one Button module .064 ± .010 TYP. (1,63 ± 0,25) .095 ± .010 .300 ± .010 (2,41 ± 0,25) (7,62 ± 0,25) .366 ± .010 .015 ± .010 .350 ± .010 (9,30 ± 0,25) (0,38 ± 0,25) COMMON .490 ± .010 A (8,89 ± 0,25) SQ. BUTTON BUTTON (12,45 ± 0,25) A TERMINAL I.D. PROJECTION (FOR REF. ONLY) .075 ± .010 TYP. SWITCH KEY IDENTIFICATION (1,91 ± 0,25) (FOR REF. ONLY) .025 ± .002 .095 ± .010 .163 ± .010 (0,64 ± 0,05) (2,41 ± 0,25) TERMINAL PINS AT (4,14 ± 0,25) SQ. TERMINAL BOTTOM OF SWITCH two Button module .990 ± .010 (25,15 ± 0,25) .245 ± .010 .500 ± .010 .015 ± .010 .500 ± .010 (6,22 ± 0,25) .300 ± .010 (12,7 ± 0,25) .350 ± .010 (0,38 ± 0,25) (12,7 ± .010) (7,62 ± 0,25) .366 ± .010 (8,89 ± 0,25) BUTTON (9,30 ± 0,25) .095 ± .010 .490 ± .010 PROJECTION SQ. BUTTON (2,41 ± 0,25) A B (12,45 ± 0,25) A B .075 ± .010 .025 ± .002 SWITCH KEY .095 ± .010 .163 ± .010 (1,91 ± 0,25) (0,64 ± 0,05) IDENTIFICATION (2,41 ± 0,25) (4,14 ± 0,25) SQ. TERMINAL (FOR REF. ONLY) .064 ± .010 TYP. COMMON (1,63 ± 0,25) TERMINAL PINS AT TERMINAL I.D. BOTTOM OF SWITCH (FOR REF. ONLY) 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) three Button module .500 (2,7) 2 EQ. SPS. .300 ± .010 .500 (12,7) 2 EQ. SPS. TOL. NON-ACCUM. (7,62 ± 0,25) TOL. NON-ACCUM. .015 ± .010 (0,38 ± 0,25) .350 ± .010 .245 ± .010 ± .010 (0,25) ± .010 (0,25) BUTTON PROJECTION (8,89 ± 0,25) (6,22 ± 0,25) .095 ± .010 .366 ± .010 (2,41 ± 0,25) (9,30 ± 0,25) A B C .499 ± .010 SQ. BUTTON .075 ± .010 A B C (12,45 ± 0,25) .095 ± .010 (1,91 ± 0,25) (2,41 ± 0,25) SWITCH KEY IDENTIFICATION .025 ± .002 COMMON .163 ± .010 1.499 ± .010 .064 ± .010 TYP. (FOR REF. ONLY) (0,64 ± 0,05) (4,14 ± 0,25) TERMINAL I.D. (37,85 ± 0,25) (1,63 ± 0,25) SQ. TERMINAL (FOR REF. ONLY) TERMINAL PINS AT BOTTOM OF SWITCH Four Button module .500 (2,7) 3 EQ. SPS. .500 (12,7) 3 EQ. SPS. .015 ± .010 .300 ± .010 TOL. NON-ACCUM. (0,38 ± 0,25) TOL. NON-ACCOM. .245 ± .010 (7,62 ± 0,25) .350 ± .010 ± .010 (0,25) BUTTON ± .010 (0,25) (6,22 ± 0,25) .095 ± .010 (8,89 ± 0,25) PROJECTION (2,41 ± 0,25) .366 ± .010 (9,30 ± 0,25) .095 .499 ± .010 A B C D SQ. BUTTON .075 ± .010 ± .010 A B C D (12,45 ± 0,25) (1,91 ± 0,25) (2,41 SWITCH KEY ± 0,25) .025 ± .002 IDENTIFICATION .163 ± .010 1.998 ± .015 (0,64 ± 0,05) .064 ± .010 COMMON (FOR REF. ONLY) (4,14 ± 0,25) (50,55 ± 0,38) SQ. TERMINAL TYP. TERMINAL I.D. TERMINAL PINS AT (1,63 ± 0,25) (FOR REF. ONLY) BOTTOM OF SWITCH Five Button module .500 (12,7) 4 EQ. SPS. TOL. NON-ACCUM. .245 .015 ± .010 ± .010 (0,25) ± .010 .500 (2,7) 4 EQ. SPS. (0,38 ± 0,25) .300 ± .010 .366 ± .010 (6,22 .095 BUTTON .350 ± .010 TOL. NON-ACCUM. (7,62 ± 0,25) (9,30 ± 0,25) ± 0,25) ± .010 PROJECTION (8,89 ± 0,25) ± .010 (0,25) SQ. BUTTON (2,41 ± 0,25) A B C D E .095 .075 ± .010 A B C D E ± .010 (1,91 ± 0,25) (2,41 .025 ± .002 .163 ± .010 .499 ± 0,25) (4,14 ± 0,25) 2.498 ± .015 (0,64 ± 0,05) ± .010 COMMON (63,25 ± 0,38) SQ. TERMINAL .064 ± .010 (12,45 TYP. SWITCH KEY IDENTIFICATION TERMINAL I.D. ± 0,25) (1,63 ± 0,25) (FOR REF. ONLY) (FOR REF. ONLY) TERMINAL PINS AT BOTTOM OF SWITCH Six Button module .500 (12,7) 5 EQ. SPS. TOL. NON-ACCUM. .245 ± .010 ± .010 (0,25) (6,22 ± 0,25) .366 ± .010 (9,30 ± 0,25) SQ. BUTTON .300 ± .010 .500 (2,7) 5 EQ. SPS. .499 ± .010 TOL. NON-ACCUM. (7,62 ± 0,25) A B C D E F (12,45 ± 0,25) ± .010 (0,25) .095 ± .010 (2,41 ± 0,25) A BC D E F SWITCH KEY 2.998 ± .015 .075 ± .010 IDENTIFICATION .095 ± .010 (75,95 ± 0,38) (1,91 ± 0,25) (FOR REF. ONLY) (2,41 ± 0,25) .015 ± .010 TERMINAL PINS (0,38 ± 0,25) AT BOTTOM OF .064 ± .010 TYP. COMMON .350 ± .010 BUTTON SWITCH (1,63 ± 0,25) (8,89 ± 0,25) PROJECTION TERMINAL I.D. (FOR REF. ONLY) .025 ± .002 .163 ± .010 (0,64 ± 0,05) (4,14 ± 0,25) SQ. TERMINAL 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) 3x4 Keyboard .350 ± .015 1.500 ± .010 .500 ± .010 (12,7 ± 0,25) (37,85 ± 0,25) (8,90 ± 0,25) 2 EQ. SPS.TOL. NON- BUTTON .245 ± .010 ACCUM. NO. 1 (6,22 ± 0,25) SWITCH KEY IDENTIFICATION ROW 1 1 2 3 (FOR REF. ONLY) RETAINING STUDS .025 ± .002 ROW 2 (0,64 ± 0,05) 4 5 6 2.000 ± .010 Sq. Terminals .500 ± .010 (50,55 ± 0,25) (12,7 ± 0,25) 3 EQ. SPS. ROW 3 7 8 9 TOL. NON- ACCUM. .695 ± .010 ROW 4 (17,65 ± 0,25) 10 11 12 .366 ± .010 .060 ± .010 (9,30 ± 0,25) (1,52 ± 0,25) TYP. SQ. BUTTON COL = COLUMN termination in inches (and millimeters) 3x4 matrix output Single Pole/Common Bus BUTTON BUTTON .100 NO. 1 NO. 1 .163 ± .010 .163 ± .010 (2,5) (4,14 ± 0,25) (4,14 ± 0,25) TYP. .100 .300 ± .010 (2,5) (7,62 ± 0,25) TYP. .163 .025 ± .002 ± .010 B (0,64 ± 0,05) (4,14 C K Sq. Terminals ± 0,25) D L E M .895 ± .010 .600 ± .010 (22,73 ± 0,25) (15,24 ± 0,25) .495 ± .010 .495 ± .010 (12,57 ± 0,25) (12,57 ± 0,25) .500 ± .010 .500 ± .010 (12,7 ± .010) (12,7 ± .010) .100 TYP .500 .500 A H .100 TYP B J C K .600 D K B L C E L M .300 F D M N G E MATRIX TERMINAL PIN-OUT SINGLE POLE/COMMON BUS TERMINAL PIN-OUT DimenSionS in inches (and millimeters) 4x4 Keyboard .500 ± .010 (12,7 ± 0,25) .350 ± .010 (8,90 ± 0,25) 2.000 + .000 – .005 3 EQ. SPS.TOL. NON- (50,8 – 0,13) .250 ± .010 BUTTON ACCUM. SWITCH KEY .163 ± .010 (6,35 ± 0,25) NO. 1 IDENTIFICATION (4,14 ± 0,25) (FOR REF. ONLY) ROW 1 1 2 3 4 RETAINING STUDS .025 ± .002 (0,64 ± 0,05) ROW 2 Sq. Terminals 2.000 + .000 5 6 7 8 .500 ± .010 – .005 (12,7 ± 0,25) (50,8 – 0,13) .100 (2,5) 3 EQ. SPS. TYP. ROW 3 9 10 11 12 TOL. NON- ACCUM. ROW 4 13 14 15 16 .366 ± .010 .064 ± .010 (9,30 ± 0,25) (1,63 ± 0,25) SQ. BUTTON TYP. COL = COLUMN Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com COL 1 COL 1 COL 2 COL 2 COL 3 COL 3 COL 4 Keyboards and Keypads Standard Keypads termination in inches (and millimeters) 4x4 matrix output Single Pole/Common Bus BUTTON BUTTON NO. 1 NO. 1 .163 ± .010 .163 ± .010 .100 (4,14 ± 0,25) (4,14 ± 0,25) .100 (2,5) (2,5) TYP. TYP. .300 ± .010 .025 ± .002 (7,62 ± 0,25) A (0,64 ± 0,05) B K .025 ± .002 C L Sq. Terminals D M D M (0,64 ± 0,05) .800 ± .010 E N E N F P Sq. Terminals (20,32 ± 0,25) F P G Q G Q H R J S .795 ± .010 (20,19± 0,25) .695 ± .010 (17,65 ± 0,25) .500 ± .010 .500 ± .010 (12,7 ± 0,25) (12,7 ± 0,25) 1.000 ± .010 1.000 ± .010 (25,4 ± .010) (25,4 ± .010) .100 TYP 1.000 A B K 1.000 C L .100 TYP .800 D M E N D M F P E N G Q .300 F P H R G Q J S MATRIX TERMINAL PIN-OUT SINGLE POLE/COMMON BUS TERMINAL PIN-OUT CirCuitrY, CoDe anD truth taBleS Circuitry for module Strips Code and truth table A The one-button thru six-button modules have Dots in the chart indicate connected terminals single pole/common bus circuitry as shown B when switch is closed. Terminals are identified COMMON in the circuit diagram. The common is located on the keyboard. UNDER C under button A; it is not marked on the actual BUTTON A CIRCUIT DIAGRAM product. CoDeS 4x4 matrix Single Pole/Common Bus 1 • • • • 2 • • • • CoDeS 3 3x4 • • • • matrix Single Pole/Common Bus 4 • • • • 1 5 • • • • • • • • 2 6 • • • • • • • • 3 7 • • • • • • • • 4 8 • • • • • • • • 5 9 • • • • • • • • 6 • 10 • • • • • • • 7 11 • • • • • • • • 8 12 • • • • • • • • 9 13 • • • • • • • • 10 14 • • • • • • • • 11 15 • • • • • • • • 12 16 • • • • • • • • K D E B C L M K H A J C B M E F L N G D M N G F D E P Q K N B A L M D C Q P F G S R E H J terminal loCation terminal loCation SPeCiFiCationS rating materials and Finishes rating at 24 Vdc: 10 milliamps, resistive housing: ABS polycarbonate, black operating Features Contact resistance: MOS, CMOS, TTL, DTL Buttons: ABS plastic, white. Legends are Button travel: 0.011" (0,28) nominal, total compatible (10 ohms maximum) black. travel Voltage Breakdown: 250 Vac between mutually Snap-on-Cap: Clear polycarbonate operating temperature: -40°C to +80°C insulated parts Contact Dome: Stainless steel, selectively typical operating Force: 300 grams 1 1 insulation resistance: 1,000 megohms min. gold-plated mounting: Mounts to /32" to /8" thick PC life expectancy: 3,000,000 operations per terminals: Phosphor bronze board button Contact Bounce: Less than 4 milliseconds at make, 10 milliseconds at break 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 Keyboards and Keypads Standard Keypads Dry transfer legends StanDarD legenDS The legend can be printed on either of two For additional legend inserts insertable Style modules surfaces: the top surface of a one-piece button, Sheets include A thru Z in upper and lower For prototypes and small quantities or the internal surface on the snap-on cap style case, the numeric characters 0 thru 9, as well Standard insertable legend modules are an for maximum wear. as commonly used symbols. The typestyle and economical way to create your own keyboard size are similar to the chart for printed legends legend. Just remove the clear button cap, add The typestyle chart shows the style and the shown below. any legend, and replace the snap-on cap. approximate limitations of Grayhill's standard Small Print Part no. 87-Dt-2096-088 type. However, limitations differ with the surface to Medium Print Part no. 87-Dt-2096-125 legend inserts be printed and the actual characters to be used. Large Print Part no. 87-Dt-2096-187 For insertable legend modules If your legend exceeds the chart limits, contact Give your keyboard modules the appearance Grayhill for more information. Unless specified, SPeCial legenDS of being printed without the cost. Self-adhesive, black legends are printed on white buttons. printed legend inserts are die cut to fit the Printed legends buttons. Legend sheet includes commonly For medium volume or short runs additional ink Color: White ink is stocked for used symbols, terms, alpha characters A-Z, Virtually any character, symbol or pattern which use on dark colored buttons. and numeric characters 0-99 in News Gothic can be photographed can be printed on the Condensed typestyle, printed in black on clear button. Grayhill uses epoxy ink which bonds to additional Button Colors: For a molding backing. Legend sheets also include blank inserts the surface of the button. charge, we can provide buttons from other colors for dry transfer lettering. which we may have in stock, such as black, 87 Series Legend Sheet Part no. 87aC2046 red, green, blue, or yellow. Non-stock button/ink colors may require minimum material purchase. type no. Sample Style Sub Surface top Surface To order, or to check currently stocked colors, and typical and typical Character and Character and contact Grayhill. height Sizes line limitations line limitations molded-in legends 4 Characters 4 Characters 4gh088 END END ABCDEFGH For high volume production .083" 2 Lines 2 Lines DATA DATA For legends that will stand up to abuse and constant wear for the life of your keyboard, use molded-in legends. The two-shot molding 1gh125 3 Characters 3 Characters ABCDE LAD LAD process molds the legend and button together. 1 Line 1 Line .138" Your special legend can be made from existing Grayhill molds or we can tool special ones. 2 Characters 2 Characters 3gh187 ABCD Buttons are available with black legends molded ON ON .207" 1 Line 1 Line in white or other light backgrounds, or with white legends molded into dark backgrounds. See Printed Buttons, Additional Button Colors. To order, 2 Characters 2gh250 N/A N/A contact Grayhill. 1 Line ABC 15 .276" orDering inFormation Special legends 5. Button types. Flat or concave buttons type of module Part To order non-standard modules, information is are available for molded legends; flat, or legend number required for the areas listed below. concave, and snap-on cap styles Your special order will be assigned a part are available for printed legends. 1 Button 87CC3-201 number for future identification. This number 6. Button Color. Standard buttons for molded 2 Button 87DC3-201 is sequentially assigned and is non-descriptive. and printed legends are white with black 3 Button 87eC3-201 legend. Other colors available include white 4 Button 87FC3-201 1. type of module. 1, 2, 3, 4, 5, 6, 12 or 16 legends with red, green, dark blue, dark 5 Button 87gC3-201 button. gray and black buttons, or black legends 6 Button 87hC3-201 2. mounting orientation. Horizontal or with yellow, blue, light gray, beige and white 12 Button–Matrix 87aB3-201 vertical. buttons. Additional legend colors such as 12 Button– 3. Circuitry. Single pole/common bus is standard red are also available. SP/Com Bus 87aC3-201 for all single row modules. For 12 or 16 button 7. legend Style. Two-shot molded or printed. 16 Button–Matrix 87BB3-201 keyboard, specify single pole/common bus or Printed legends may be top or sub-surface 16 Button– matrix. printed. SP/Com Bus 87BC3-201 4. housing Color. Standard housing is black. 8. actual legend. Specify for each button Optional stock colors include beige and using the button identification on drawings. Insertable Legend gray. Price–Contact Grayhill. Card 87aC2046 Dry Transfer–Small 87-Dt-2096-088 Dry Transfer–Medium 87-Dt-2096-125 Dry Transfer–Large 87-Dt-2096-187 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com