Standard Keypads SERIES 84B Backlit with Self Adhesive Legends DIMENSIONS Keyboards and Keypads FEATURES • Backlit for Low Light Applications • Waterproof Silicone Rubber • Audible, Tactile Contacts • Low Contact Resistance • Optional RFI/EMI Shielding • 3,000,000 Operations per Button In inches (and millimeters) 3 x 4 Keyboard .290 REF (STYLE 1) .368 REF (STYLE 2) .100 TYP. .525 SWITCH POSITION IDENTIFICATION .750,3 EQ SPS., TOL.NON-ACCUM. .025.002 SQUARE TERMINAL PINS 7 PLACES #6-32 MTG STUD, 4 PLACES X Y A B CDE F G .425 3.100 .020 1 2 3 4 5 6 7 8 9 X Y A C D E F 1.500 G B LABEL 4 x 10 11 DETAIL A .750 TERMINAL PIN IDENTIFICATION DETAIL SCALE=1.5:1 4 Keyboard 12 .368 REF. .425 .750,2 EQ.SPS., TOL.NON-ACCUM. .350 .267 REF. .390 SQ. LEGEND INSERT AREA .800 1.650 .207 2.350 ± .020 .357 #6-32 MTG STUD, 6 PLACES SWITCH POSITION IDENTIFICATION .750,3 EQ SPS., TOL.NON-ACCUM. .425 3.100 .020 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 .025 .002 SQ. TERMINAL PINS 10 PLCS. .490 .100 TYP. 2.250 .775 .425 .750,3 EQ.SPS., TOL.NON-ACCUM. .390 SQ. LEGEND INSERT AREA 3.100 ± .020 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois DETAIL A .290 REF (STYLE 1) .310 .368 REF (STYLE 2) .750 .267 REF. 1.500 .207 .357 X Y H G F E D C B A 1.125 TERMINAL PIN IDENTIFICATION DETAIL SCALE=1.5:1 LABEL 2.120 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Keypads 7 Standard Keypads SCHEMATIC AND TRUTH TABLE 3x4 Keyboards and Keypads 4x4 Forward Voltage LED Color Min. 1.50 - Red Yellow/Green Green Orange Typ. 1.95 1.95 1.95 Max. 2.40 2.40 2.40 2.40 Resistor (OHMS) 43 43 43 43 SPECIFICATIONS Rating Criteria Life Expectancy: 3 million operations/button Insulation Resistance: >1,000 megohms Rating at 24 Vdc: - 10 milliamps resistive (max.) Contact Bounce: 4 milliseconds maximum at make; 10 milliseconds, at break Contact Resistance: 10 ohms maximum Operating Features Pre-Travel: .030 inches minimum Operating Force: 20 ± 4 ounces Humidity: 0 to 98% (no condensation) Typ. Current Consumption (With 5V Pwr. Supply) 3x4 155mA 155mA 155mA 155mA 4x4 205mA 205mA 205mA 205mA Materials and Finishes Terminal Pins: Copper alloy CDA 725 PC Board: FR-4 glass cloth epoxy Dome Retainer/Rear Seal Sheet: Polyester Mounting Studs: Phosphor bronze Optional Hex Nut: Stainless steel, passivated Optional EMI Shield: Aluminum foil Keypad: Silicone rubber SELF-ADHESIVE LEGEND SHEETS Each 8.5" x 11" legend sheet contains commonly used symbols, terms, alpha characters and 0-9 in helvetica bold type. Self- adhesive legends are clear urethane on a chrome mylar base. Adhesive is silicone/acrylic. Legends can be purchased in the following ways: 1. Entire legend sheets: Part numbers 84AC5012-1, -2, -3 OR -4. 2. Individual legends: Part numbers 84AC5012-0001, -0002 etc. (Individual legend pins are for groups of 10 legends each) 3. See Grayhill drawing 84AC5012-X for detailed information on available legends, sizes and fonts. ORDERING INFORMATION 84B = Insertable Legend, Sealed and Shielded 84BN = Insertable Legend, Sealed and Non-Shielded Keyboard Size: A = 3 x 4, B = 4 x 4 B = Matrix Code 84BN-AB-022AN N = Mounting Nuts Supplied and Shipped Loose, Blank = No Nuts Supplied Led Color: A = Red, B = Yellow, C = Green, D = Orange Keypads 8 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com