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88BB2-143 Datasheet(PDF) 1 Page - Grayhill, Inc |
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88BB2-143 Datasheet(HTML) 1 Page - Grayhill, Inc |
1 / 5 page Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Standard Keypads DIMENSIONS In inches (and millimeters) SERIES 88 Sealed, Flange Mounted 3x4 Keyboard Termination In inches (and millimeters) 3x4 Code and Truth Table Dots in the chart indicate connected terminals when switch is closed. Terminals are identified on the keyboard. 3.000 ± .015 (76,2 ± 0,38) 2.800 ± .010 (71,12 ± 0,25) .200 ± .010 (5,08 ± 0,25) A B C F G H L M N 2.200 ± .015 (55,88 ± 0,38) 2.000 ± .010 (50,8 ± 0,25) .100 (2,54) TYP. RETAINING STUDS .220 ± .010 (5,59 ± 25,4) .100 ± .010 (2,54 ± 0,25) BUTTON NO. 1 .093 ± .005 (2,36 ± 0,13) DIA. 4 PLS. C L OF 2.200 (55,88) DIM. • • • 1 2 3 4 5 6 7 8 9 10 11 12 CODES 3x4 Matrix Single Pole/Common Bus TERMINAL LOCATION F E D K J H G • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • J E A K F B L G C M H D N • • • • • • • • • • • • .500 .010 (12,7 ± 0,25) (3 EQ. SPS) TOL. NON- ACCUM. .380 (9,65) SQ. TYP. .750 ± .010 (19,05 ± 0,25) 1.990 + .000 - .010 (50,55 + .000 - 0,25) .055 ± .010 (1,40 ± 0,25) .105 ± .010 (2,67 ± 0,25) ROW 1 ROW 2 ROW 3 ROW 4 2.690 + .000/ - .010 (68,33 + .000/ - 0,25) SWITCH KEY IDENTIFICATION (FOR REF. ONLY) .500 ± .010 (12,7 ± 0,25) (2 EQ. SPS.) TOL. NON- ACCUM. .600 ± .010 (15,24 ± 0,25) .128 ± .010 (3,25 ± 0,25) .280 ± .010 (7,11 ± 0,25) .025 ± .002 (0,64 ± 0,05) SQUARE TERMINAL .360 ± .010 (9,14 ± 0,25) .072 ± .010 (1,83 ± 0,25) COL = COLUMN BUTTON AREAS ARE EMBOSSED 1 2 3 4 5 6 7 8 9 10 11 12 .150 ± .005 (3,81 ± 0,13) R. 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 MATRIX TERMINAL PIN-OUT DE F G HJ K .100 TYP. .600 SINGLE POLE COMMON BUS TERMINAL ABC D E F G H J KL M N .100 TYP. 1.200 Keypads 32 |
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