Keyboards and Keypads Standard Keypads SERIES 84BL Standard Backlit 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 DIMENSIONS in inches (and millimeters) 3 x 4 Keyboard .290 REF (STYLE 1) .100 TYP. .368 REF (STYLE 2) .525 .025.002 .750,3 EQ SPS., SWITCH SQUARE #6-32 MTG TERMINAL PIN TOL.NON-ACCUM. POSITION TERMINAL PINS STUD, IDENTIFICATION IDENTIFICATION 9 PLACES 4 PLACES .425 1 2 3 X Y AB CD E F G 45 6 X Y A CD E F G 3.100 B 1.500 ± .020 7 8 9 .750 DETAIL A LABEL 10 11 12 TERMINAL PIN IDENTIFICATION DETAIL SCALE=1.5:1 .425 .350 .800 .750,2 EQ.SPS., 1.650 .267 TOL.NON-ACCUM. REF. .490 SQ. .207 2.350 ± .020 .357 4 x 4 Keyboard #6-32 MTG STUD, 6 PLACES SWITCH TERMINAL PIN .750,3 EQ SPS., .025 .002 TOL.NON-ACCUM. POSITION IDENTIFICATION .490 SQ. TERMINAL IDENTIFICATION PINS 10 PLCS. X .425 1 2 3 4 Y .100 H TYP. G 567 8 2.250 F 3.100 E ± .020 9 10 11 12 D .775 C B 13 14 15 16 A .290 REF .425 .310 DETAIL A (STYLE 1) 1.125 .368 REF TERMINAL PIN IDENTIFICATION .750,3 EQ.SPS., (STYLE 2) .750 DETAIL TOL.NON-ACCUM. .267 SCALE=1.5:1 REF. LABEL .490 SQ. 1.500 .207 2.120 3.100 ± .020 .357 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 SCHEMATIC AND TRUTH TABLE 3 x 4 4 x 4 TYPICAL CURRENT DRAW FORWARD VOLTAGE WITH 5V POWER SUPPLY LED COLOR MIN TYP. RESISTOR 3x4 4x4 MAX RED - 1.9V 2.5V 221Ω 168mA 224mA YELLOW - 2.0V 2.5V 221Ω 163mA 217mA - 3.3V 121Ω GREEN 4.1V 169mA 225mA - 2.0V 221Ω 163mA 217mA ORANGE 2.5V - 3.3V 4V 121Ω 169mA 225mA BLUE STANDARD LEGENDS Available through Grayhill Distributors To order one of the configurations below, use the dash number shown here; select the keypad size and A order vaila the ble pa thrrtough number Gr awith yhill the Distri approp buto rr iate s legend To order dash one numbe of the r. Contact configu G rations rayhill bel foro Custom w, use the s. dash number shown here; select the keypad size and code, and order the part number with the appropriate ABC DEF ABC DEF 1 2 3 1 2 3 C A 1 2 3 1 2 3 GHI JKL MNO GHI JKL MNO 4 5 6 4 5 6 D B 4 5 6 4 5 6 PRS TUV WXY PRS TUV WXY 7 8 9 7 8 9 E C 7 8 9 7 8 9 OPER OPER 0 A 0 B F D 0 0 -112 -014 -113 -016 Materials and Finishes Life Expectancy: 3 million operations/button SPECIFICATIONS Terminal Pins: Phosphor Bronze Tin Plated Insulation Resistance:•1,000 megohms Rating Criteria PC Board: FR-4 glass cloth epoxy Rating at 24 Vdc:- 10 milliamps resistive Dome Retainer/Rear Seal Sheet: Polyester Operating Features Contact Bounce: 4 milliseconds maximum Mounting Studs: Stainless Steel (Style 1), Pre-Travel: .030 inches minimum Contact Resistance: 10 ohms maximum Phosphor Bronze Tin Plated (Style 2) Operating Force: 20 ± 4 ounces Optional Hex Nut: Stainless steel, passivated Humidity: 0 to 98% (no condensation) Optional EMI Shield: Aluminum foil Keypad: Silicone rubber ORDERING INFORMATION 84BL = Printed Legend, Sealed and Shielded 84BLN = Printed Legend, Sealed and Non-Shielded Keyboard Size: A = 3 x 4, B = 4 x 4 B = Matrix Code 1 = Style “1” (see stud detail) 2 = Style “2” (see stud detail) 84BLN-AB1-XXXAN N = Mounting Nuts Supplied and Shipped Loose, Blank = No Nuts Supplied Led Color: A = Red, B = Yellow, C = Green, D = Orange, E = Blue Standard Legends:-112 or -113 for 3x4, -014 or -016 for 4x4 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com