Keyboards and Keypads Modular Keyboards 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 with Tooling. the metal snap-dome under each Series 87 DOME Prototypes and small quantities: create your button. When actuated, the dome changes own with economical, insertable legend style shape, providing audible and tactile feedback to modules. the operator. CIRCUIT PC BOARD PATH Production quantities: choose either custom 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 A .490 ± .010 (8,89 ± 0,25) SQ. BUTTON BUTTON A (12,45 ± 0,25) TERMINAL I.D. PROJECTION (FOR REF. ONLY) .075 ± .010 TYP. SWITCH KEY IDENTIFICATION (1,91 ± 0,25) .025 ± .002 (FOR REF. ONLY) .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 (6,22 ± 0,25) .015 ± .010 .500 ± .010 .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) Keypads Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com 46 Keyboards and Keypads Modular Keyboards 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. TOL. NON-ACCUM. .015 ± .010 (0,38 ± 0,25) .350 ± .010 (7,62 ± 0,25) .245 ± .010 ± .010 (0,25) BUTTON PROJECTION (8,89 ± 0,25) ± .010 (0,25) (6,22 ± 0,25) .095 ± .010 .366 ± .010 (2,41 ± 0,25) (9,30 ± 0,25) B .499 ± .010 A C SQ. BUTTON .075 ± .010 C A B (12,45 ± 0,25) .095 ± .010 (1,91 ± 0,25) (2,41 ± 0,25) SWITCH KEY COMMON IDENTIFICATION .025 ± .002 .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 (12,7) 3 EQ. SPS. .015 ± .010 .500 (2,7) 3 EQ. SPS. .300 ± .010 TOL. NON-ACCOM. TOL. NON-ACCUM. (0,38 ± 0,25) .245 ± .010 .350 ± .010 (7,62 ± 0,25) ± .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 (0,38 ± 0,25) .500 (2,7) 4 EQ. SPS. .366 ± .010 .300 ± .010 .095 (6,22 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 CD 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 .500 (2,7) 5 EQ. SPS. .300 ± .010 .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) AC B DEF 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) .064 ± .010 TYP. AT BOTTOM OF COMMON .350 ± .010 BUTTON SWITCH (1,63 ± 0,25) (8,89 ± 0,25) PROJECTION TERMINAL I.D. (FOR REF. ONLY) .163 ± .010 .025 ± .002 (0,64 ± 0,05) (4,14 ± 0,25) SQ. TERMINAL Keypads Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com 47 Keyboards and Keypads Modular Keyboards 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 EM .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 K .600 D 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 .350 ± .010 (8,90 ± 0,25) .500 ± .010 (12,7 ± 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 5 6 7 8 Sq. Terminals 2.000 + .000 .500 ± .010 – .005 (12,7 ± 0,25) .100 (2,5) (50,8 – 0,13) 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 Keypads Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com 48 COL 1 COL 1 COL 2 COL 2 COL 3 COL 3 COL 4 Keyboards and Keypads Modular Keyboards 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 GQ G Q H R JS .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 D M .800 E N M F D P E N G Q .300 H F P R G J Q 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 B single pole/common bus circuitry as shown in when switch is closed. Terminals are identified COMMON the circuit diagram. The common is located on the keyboard. UNDER C BUTTON A under button A; it is not marked on the actual 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 Materials and Finishes Rating Operating Features Housing: ABS polycarbonate, black Rating at 24 Vdc: 10 milliamps, resistive Button Travel: 0.011" (0,28) nominal, total Contact Resistance: MOS, CMOS, TTL, DTL Buttons: ABS plastic, white. Legends are black. travel Snap-On-Cap: Clear polycarbonate compatible (10 ohms maximum) Operating Temperature: -40°C to +80°C Voltage Breakdown: 250 Vac between mutually Contact Dome: Stainless steel, selectively gold- Typical Operating Force: 300 grams 1 1 insulated parts plated Mounting: Mounts to /32" to /8" thick PC Terminals: Phosphor bronze Insulation Resistance: 1,000 megohms min. board Life Expectancy: 3,000,000 operations per button Contact Bounce: Less than 4 milliseconds at make, 10 milliseconds at break Keypads Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com 49 BUTTON LOCATION BUTTON LOCATION Keyboards and Keypads Modular Keyboards surfaces: the top surface of a one-piece button, Dry Transfer Legends STANDARD LEGENDS or the internal surface on the snap-on cap style For additional legend inserts Insertable Style Modules for maximum wear. Sheets include A thru Z in upper and lower case, For prototypes and small quantities the numeric characters 0 thru 9, as well as Standard insertable legend modules are an The typestyle chart shows the style and the commonly used symbols. The typestyle and economical way to create your own keyboard approximate limitations of Grayhill's standard size are similar to the chart for printed legends legend. Just remove the clear button cap, add type. However, limitations differ with the surface shown below. any legend, and replace the snap-on cap. to be printed and the actual characters to be Small Print Part No. 87-DT-2096-088 used. If your legend exceeds the chart limits, Medium Print Part No. 87-DT-2096-125 Legend Inserts contact Grayhill for more information. Unless Large Print Part No. 87-DT-2096-187 For insertable legend modules specified, black legends are printed on white Give your keyboard modules the appearance of buttons. SPECIAL LEGENDS being printed without the cost. Self-adhesive, printed legend inserts are die cut to fit the Printed Legends Additional Ink Color: White ink is stocked for buttons. Legend sheet includes commonly used For medium volume or short runs use on dark colored buttons. symbols, terms, alpha characters A-Z, and Virtually any character, symbol or pattern which numeric characters 0-99 in News Gothic can be photographed can be printed on the Additional Button Colors: For a molding Condensed typestyle, printed in black on clear button. Grayhill uses epoxy ink which bonds to charge, we can provide buttons from other backing. Legend sheets also include blank the surface of the button. colors which we may have in stock, such as inserts for dry transfer lettering. black, red, green, blue, or yellow. Non-stock 87 Series Legend Sheet Part No. 87AC2046 The legend can be printed on either of two button/ink colors may require minimum material purchase. To order, or to check currently Type No. Sample Style Sub Surface Top Surface stocked colors, contact Grayhill. and Typical and Typical Character and Character and Height Sizes Line Limitations Line Limitations Molded-in Legends For high volume production 4 Characters 4 Characters 4GH088 END END ABCDEFGH For legends that will stand up to abuse and .083" 2 Lines 2 Lines DATA DATA constant wear for the life of your keyboard, use molded-in legends. The two-shot molding process molds the legend and button together. 3 Characters 3 Characters 1GH125 ABCDE LAD LAD Your special legend can be made from existing 1 Line 1 Line .138" Grayhill molds or we can tool special ones. Buttons are available with black legends molded 3GH187 2 Characters 2 Characters in white or other light backgrounds, or with white ABCD O N O N 1 Line 1 Line .207" legends molded into dark backgrounds. See Printed Buttons, Additional Button Colors. To order, contact Grayhill. 2 Characters 2GH250 N/A N/A 1 Line 15 ABC .276" ORDERING INFORMATION Special Legends available for molded legends; flat, concave, Type of Module Part To order non-standard modules, information is and snap-on cap styles are available for or Legend Number printed legends. required for the areas listed below. 6. Button Color. Standard buttons for molded 1 Button 87CC3-201 Your special order will be assigned a part number and printed legends are white with black 2 Button 87DC3-201 for future identification. This number is legend. Other colors available include white 3 Button 87EC3-201 sequentially assigned and is non-descriptive. legends with red, green, dark blue, dark 4 Button 87FC3-201 gray and black buttons, or black legends 5 Button 87GC3-201 1. Type of Module. 1, 2, 3, 4, 5, 6, 12 or 16 with yellow, blue, light gray, beige and 6 Button 87HC3-201 button. white buttons. Additional legend colors such 12 Button–Matrix 87AB3-201 2. Mounting Orientation. Horizontal or vertical. as red are also available. 12 Button– 3. Circuitry. Single pole/common bus is standard 7. Legend Style. Two-shot molded or printed. SP/Com Bus 87AC3-201 Printed legends may be top or sub-surface for all single row modules. For 12 or 16 button 16 Button–Matrix 87BB3-201 keyboard, specify single pole/common bus or printed. 16 Button– matrix. 8. Actual Legend. Specify for each button SP/Com Bus 87BC3-201 4. Housing Color. Standard housing is black. using the button identification on drawings. Optional stock colors include beige and gray. Price–Contact Grayhill. Insertable Legend 5. Button Types. Flat or concave buttons are Card 87AC2046 Dry Transfer–Small 87-DT-2096-088 Dry Transfer–Medium 87-DT-2096-125 Dry Transfer–Large 87-DT-2096-187 Available from your local Grayhill Distributor. For prices and discounts, contact a local Sales Office, an authorized local Distributor or Grayhill. Keypads Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com 50