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specifications are subject to change without notice. 137 i. rotary encoders 6mm square ........................................................................142 9mm square ........................................................................138 ii. rotary optical encoders 16mm x 21mm....................................................................144 iii. digital contacting encoders 22mm square ......................................................................146 iv. absolute ace encoder 22mm square ......................................................................149 encoders www.bourns.com
specifications ar e subject to change without notice. 138 3315 - 9mm squar e sealed incr emental encoder featur es n miniatur e package for design flexibility n long operating life n conductive plastic element n bushing or pc boar d mount n quadratur e output electrical characteristics output ............................. 2-bit gray code, channel a leads channel b electrically tur ning clockwise (cw) closed cir cuit resistance ............ 5 ohms maximum contact rating ..................... 100 milliamp @ 16 vdc maximum insulation resistance (500 vdc) .................... 1,000 megohms minimum dielectric withstanding v oltage sea level ................ 900 v ac minimum electrical t ravel ...................... continuous contact bounce (15 rpm) ...................... 5 milliseconds maximum rpm (operating) ................ 120 maximum envir onmental characteristics t emperatur e range ....... -55oc to +125oc v ibration ............................................ 30g contact bounce .................... 5.0 millisecond maximum shock .............................................. 100g contact bounce .................... 5.0 millisecond maximum rotational life .... 100,000 cycles @ 6ppr 25,000 cycles @ 16ppr mechanical characteristics mechanical angle .................. continuous t or que ........................ 5 oz-in. maximum marking ........ manufactur er s symbol and model number , pr oduct code, terminal style, date code and r esistance code 5ms delay debounce (mc 14490) .0015 m f 9 7 magnitude (customer logic circuitry) decode logic up/down counter direction binary output clockwise channel a channel b channel c recommended incr emental contr ol diagram part numbering system 3315 y - 0 0 1 - 006 model number designator 3315 = 9mm encoder t erminal style designator c = in-line straight t erminals side exit r = in-line t erminals rear exit p = 5.08mm x 2.54mm t riangular patter n rear exit y = 5.08mm x 5.08mmt riangular patter n rear exit shaft end designator 0 = shaft end slotted 1 = shaft end flatted shaft length designator 0 = 12.7mm fms long plastic shaft 1 = 19.05mm fms long plastic shaft (use with bushing versions only) 2 = 5.59mm fms (bushingless version only) bushing designator 1 = 6.35mm x 6.35mm plastic 2 = 6.35mm x 6.35mm ni plated brass 5 = bushingless (boar d level) pulses per revolution code 006 = 6 ppr 016 = 16 ppr
specifications ar e subject to change without notice. 139 3315 - dimensions and t olerances
specifications ar e subject to change without notice. 140 3315 - dimensions and t olerances
specifications ar e subject to change without notice. 141 3315 - dimensions and t olerances
specifications ar e subject to change without notice. 142 3375 - 6mm squar e encoder electrical characteristics output ............................ 2-bit gray code, channel a leads channel b by electrically tur ning clockwise (cw) closed cir cuit resistance ................................. 5 ohms maximum contact rating ....... 100 milliamp @ 16 vdc maximum insulation resistance (500 vdc) .................... 1,000 megohms minimum dielectric withstanding v oltage sea level ................ 900 v ac minimum electrical t ravel ...................... continuous contact bounce (15 rpm) ...................... 5 milliseconds maximum rpm (operating) ................ 120 maximum envir onmental characteristics t emperatur e range ....... -55oc to +125oc v ibration ............................................ 30g contact bounce .............. 5 millisecond maximum shock .............................................. 100g contact bounce .............. 5 millisecond maximum rotational life .................. 100,000 cycles mechanical characteristics mechanical angle .................. continuous t or que ........................ 5 oz-in. maximum marking ........ manufactur er s symbol and model number , pr oduct code, terminal style, date code featur es n miniatur e package for design flexibility n long operating life n high operating temperatur e capabilities n conductive plastic element n bushing or pc boar d mount n quadratur e output part numbering system 3375 y - 0 0 1 - 006 model number designator 3375 = 6mm encoder t erminal style designator c = in-line straight t erminals side exit p = 5.08mm x 2.54mm t riangular patter n rear exit y = 5.08mm x 5.08mmt riangular patter n rear exit shaft end designator 0 = shaft end slotted shaft length designator 0 = 12.7mm fms long plastic shaft (use with bushing versions only) bushing designator 1 = 6.35mm x 6.35mm plastic pulses per revolution code 006 = 6 ppr 5ms delay debounce (mc 14490) .0015 m f 9 7 magnitude (customer logic circuitry) decode logic up/down counter direction binary output clockwise channel a channel b channel c recommended incr emental contr ol diagram
specifications ar e subject to change without notice. 143 3375 - 6mm squar e encoder
specifications ar e subject to change without notice. 144 en - rotar y optical encoder featur es n t wo channel quadratur e output n bushing or ser vo mount n squar e wave signal n index channel available n small size n resolution to 256ppr n cmos and ttl compatible n long life n high operating speed electrical characteristics output .................................................................. 2-bit gray code, channel a leads channel b by 90o (electrical) with clockwise r otation supply v oltage ............................................................................................................................... .............................. 5.0 vdc 0.25 vdc* supply curr ent ............................................................................................................................... .................................... 26 ma maximum output v oltage low output ............................................................................................................................... .......................................... 0.8v maximum high output ............................................................................................................................... ............................................. 4v minimum output curr ent low output ............................................................................................................................... ......................................... 25ma minimum insulation resistance (500 vdc) ............................................................................................................................... .......... 1,000 megohms rise/fall time ............................................................................................................................... ......................................... 200ns (typical) shaft rpm (ball bearing) ............................................................................................................................... .............. 3,000 rpm maximum power consumption ............................................................................................................................... ........................ 136 mw maximum pulse width (electrical degr ees, each channel) ................................................................................................................... 180o 45o typ . pulse width (index channel) ............................................................................................................................... .......................... 360o 90o phase (electrical degr ees, channel a to channel b) .............................................................................................................. 90o 45o typ . index channel center ed on 1-1 state combination of a and b channels ....................................................................................... 0o 45o *consult factor y for other voltages up to 15 vdc. envir onmental characteristics operating t emperatur e range (standar d) ........................................................................................................................... -40oc to +85oc v ibration ............................................................................................................................... .................................................................... 5g shock ............................................................................................................................... ...................................................................... 50g humidity ............................................................................................................................... ...... mil-std-202, method 103b, condition b mechanical characteristics t or que (starting and running) a & c bushings (spring loaded for optimum feel) ................................................................................................... 1.5 oz-in. maximum w , s & t bushings (ball bearing shaft support) ........................................................................................................ 0.1 oz-in. maximum mechanical rotation ............................................................................................................................... .................................... continuous shaft end play ............................................................................................................................... ........................... 0.012 t .i.r. maximum shaft radial play ............................................................................................................................... ....................... 0.005 t .i.r. maximum rotational life a & c bushings (300 rpm maximum)** .................................................................................................................. 10,000,000 r evolutions w , s & t bushings (3,000 rpm maximum)** ......................................................................................................... 200,000,000 r evolutions w eight ............................................................................................................................... ................................................................. 0.4 oz. **for r esolutions 128 quadratur e cycles per shaft r evolution. output table output voltage channel a channel b index channel (optional) 4.0v (min) 0.8v (max) 4.0v (min) 0.8v (max) 4.0v (min) 0.8v (max) 1 0 1 0 1 0 1 cycle clockwise rotation 360??90 st andard resolutions a v ailable (full quadratur e output cycles per shaft r evolution) 25* 125 50* 128 64 200 100 256 for non-standar d resolutions consult factory * channel b leads channel a
specifications ar e subject to change without notice. 145 rot ar y optical the bour ns ? en model is a self-contained r otary optical encoder . it pr oduces a 2-bit quadratur e signal which is suitable for digital systems wher e both magnitude and dir ection of adjustment must be pr ovided. the en encoder is ideal for use as a digital panel contr ol or as a position sensing device in applications wher e long life, r eliability , high r esolution and pr ecise linearity ar e critical. the en series encoder converts r otary input into electrical signals which can be used by micr opr ocessors without a/d conversion. bour ns encoder output signals ar e squar e wave digital pulses which do not r equir e debounce cir cuitry . both featur es make it possible to significantly r educe the memory overhead, wiring and wiring inter con - nects r equir ed by other types of contr ol devices. en optical encoders of fer a useful r otational life of fr om 10 million to 200 million shaft r evolutions, making them ideal for extended service applications. the bour ns encoder is also compact and well suited for situations wher e the available space is limited. o p t i o n a l r a d i a l l e a d s a - + b g r o u n d i n d e x o r n . c . v c c c h a n n e l b c h a n n e l a t e r m i n a t i o n d i a g r a m 2 . 5 4 ( . 1 0 0 ) t y p . s q . 1 / 4 - 3 2 u n e f d i a . 3 / 8 - 3 2 u n e f 3 / 8 - 3 2 u n e f 1 / 4 - 3 2 u n e f o p t i o n a l r a d i a l l e a d s b u s h i n g s t y l e c b u s h i n g s t y l e s ( b a l l b e a r i n g ) b u s h i n g s t y l e a b u s h i n g s t y l e t ( b a l l b e a r i n g ) s e r v o m o u n t s t y l e w ( b a l l b e a r i n g ) 9 . 5 2 5 ( . 3 7 5 ) . 6 3 5 ( . 0 2 5 ) 1 8 . 5 ( . 7 3 ) 6 . 3 5 ( . 2 5 0 ) 3 . 1 6 7 + . 0 0 0 / . 0 0 7 6 ( . 1 2 4 7 + . 0 0 0 / . 0 0 0 3 ) 8 . 6 3 6 ( . 3 4 ) 1 5 . 8 8 ( . 6 2 5 ) 1 . 3 7 ( . 0 5 4 ) 2 1 . 2 1 ( . 8 3 5 ) 2 . 3 6 ( . 0 9 3 ) 9 . 5 3 ( . 3 7 5 ) 6 . 3 4 2 + . 0 0 0 / . 0 0 7 6 ( . 2 4 9 7 + . 0 0 0 / . 0 0 0 3 ) 1 0 . 3 2 + . 0 0 0 / . 0 5 0 8 ( . 4 0 6 2 + . 0 0 0 / . 0 0 2 ) 9 . 5 3 ( . 3 7 5 ) 9 . 5 3 ( . 3 7 5 ) d i a . 6 . 3 4 2 + . 0 0 0 / . 0 0 7 6 ( . 2 4 9 7 + . 0 0 0 / . 0 0 0 3 ) d i a . 1 . 5 7 ( . 0 6 2 ) d i a . 3 . 1 6 7 + . 0 0 0 / . 0 0 7 6 ( . 1 2 4 7 + . 0 0 0 / . 0 0 3 ) 1 . 5 7 ( . 0 6 2 ) 9 . 5 3 ( . 3 7 5 ) d i a . 7 . 1 4 + . 0 0 0 / . 0 5 0 8 ( . 2 8 1 + . 0 0 0 / . 0 0 2 ) d i a . 1 . 5 7 ( . 0 6 2 ) 1 . 5 7 ( . 0 6 2 ) d i a . 3 . 1 6 7 + . 0 0 0 / . 0 0 7 6 ( . 1 2 4 7 + . 0 0 0 / . 0 0 3 ) 2 1 . 8 ( . 8 6 ) d i a . 1 9 . 0 5 . 0 1 2 7 ( . 7 5 0 0 . 0 0 0 5 ) d i a . 2 2 . 2 + . 0 1 2 7 / . 1 2 7 0 ( . 8 7 5 + . 0 0 0 5 / . 0 0 5 0 ) 1 . 5 7 ( . 0 6 2 ) . 7 8 7 . 2 5 4 ( . 0 3 1 . 0 1 0 ) . 2 5 4 . 0 7 6 ( . 0 1 0 . 0 0 3 ) r . a n t i - r o t a t i o n l u g v i e w consult factory for options not shown, including: ? wir e lead or cable options ? connectors ? non-standar d r esolutions ? special shaft/bushing sizes and featur es ? special performance characteristics ? pcb mounting bracket bourns en series optical encoder e n c 1 j d 2 8 l 0 0 1 2 8 - - anti-rotation lug position code d j p description none 9:00 position rear mount- ing bracket shaft length* code 16 20 28 description 1/2" long 5/8" long 7/8" long switching configuration code 1 2 description channel a leads channel b by 90 (clockwise rotation)** code 1 switching with index channel terminal*** configuration code l r m n w y description axial, multi- purpose pin radial, multi- purpose pin rear ribbon cable with connector side ribbon cable with connector rear ribbon cable - no connector side ribbon cable - no connector resolution code 00025 00050 00064 00100 00125 00128 00200 00256 cycles per revolution 25 50 64 100 125 128 200 256 shaft style code b d c use with bushings (code) a, s c, t, w a, s description 1/4" dia., plain end 1/8" dia., plain end 1/4" dia., single flatted bushing configuration code a c s t w description 3/8"d x 3/8"l threaded 1/4"d x 1/4"l threaded 3/8"d x 3/8"l threaded (ball bearing) 1/4"d x 3/8"l threaded (ball bearing) servo mount 7/8"d (ball bearing) * shaft length measured from mounting surface. ** 25 and 50ppr is reversed (channel b leads channel a) *** standard ribbon cable is 10" long consult factory for other lengths. dimensional drawings how t o or der en - rotar y optical encoder
ecw - digital contacting encoder specifications ar e subject to change without notice. 146 featur es n incr emental encoder / quadratur e output n exceptionally long operating life n high operating temperatur e capabilities - up to 125 c n stur dy constr uction n bushing mount n a vailable with pc boar d mounting bracket (optional) electrical characteristics output ................................................................. 2-bit gray code, channel a leads channel b by 90o electrically tur ning clockwise (cw) closed cir cuit resistance ............................................................................................................................... ................. 5 ohms maximum open cir cuit resistance ............................................................................................................................... .............. 100k ohms minimum contact rating ....................................................................................................................... 10 milliamp @ 10 vdc or 0.1 watt maximum insulation resistance (500 vdc) ......................................................................................................................... 1,000 megohms minimum dielectric withstanding v oltage .......................................................................................................................... mil-std-202 method 301 sea level ............................................................................................................................... .................................... 1,000 v ac minimum electrical t ravel ............................................................................................................................... ............................................ continuous contact bounce (15 rpm) ............................................................................................................................... ..... 5 milliseconds maximum rpm (operating) ............................................................................................................................... ...................................... 120 maximum envir onmental characteristics storage t emperatur e range ............................................................................................................................... ............... -40oc to +140oc operating t emperatur e range ............................................................................................................................... ............. +1oc to +125oc humidity ............................................................................................................................... ...... mil-std-202, method 103b, condition b v ibration ............................................................................................................................... .................................................................. 15g contact bounce ............................................................................................................................... .................. 0.1 millisecond maximum shock ............................................................................................................................... ...................................................................... 50g contact bounce ............................................................................................................................... .................. 0.1 millisecond maximum rotational life ............................................................................................................................... ...................... 200,000 shaft r evolutions* mechanical characteristics mechanical angle ............................................................................................................................... ........................................ continuous w eight ............................................................................................................................... ....................................... appr oximately 0.75 oz. t or que (detented) ............................................................................................................................... ............................. 0.75 to 2.25 oz-in. mounting t or que ............................................................................................................................... .............................. 7 in-lbs. maximum shaft side load (static) ............................................................................................................................... ....................... 10 lbs. minimum *applies to ec option. quadra ture output t able this table is intended to show available outputs as curr ently defined. 1/4 cycle per detent open circuit cw channel a d d d d d d d d d d d d d d d d d closed circuit open circuit closed circuit channel b full cycle per detent (normally open in detent shown) open circuit cw channel a d d d d d closed circuit open circuit closed circuit channel b 5ms delay debounce (mc 14490) .0015 m f 9 7 magnitude (customer logic circuitry) decode logic up/down counter direction binary output recommended increment al control diagram note: plastic shaft : 0.093 0.002 dia. with a 0.025 0.004 wide x 0.030 0.010 deep adjustment slot
specifications ar e subject to change without notice. 147 digit al cont acting the digital contacting encoder is commonly r eferr ed to by such names as digital panel contr ol, bit switch, gray switch and digital switch. all such names ar e synonymous with a device whose output is a digital gray code signal, rather than a conventional potentiometric voltage ratio output. the advantage of the digital contacting encoder is that it permits the dir ect entry of digitized analog data into a digital cir cuit without a/d conversion. the two (2) channel gray coded signal of this incr emental encoder allows the user s decoder cir cuit to sense analog dir ection of r otation, as well as up-down counter capabilities . . . all without the time and cost r equir ed for a/d conversion. this appr oach can r educe memory overhead, wiring and wiring inter connects, and can pr ovide gr eater mpu pr ogram speed. bushing mounted - housing a w style bushing shown. shaft lengths "l" for b, c, r and y styles 24 = .750" (19mm) 36 = 1.125" (28.5mm) c l a c b panel hole dimensions bushing mounted shaft style c "d" "d" shaft style j shaft style r shaft style b shaft style y slot depth ("y" shaft) for shafts < 1" length for shafts 3 1" length "d" dimension extends from shaft end to bushing face "d" = (shaft length, fms) ?(bushing length) "l" a c b "l" dim. = 1.125 or .750 pcb bracket mounted - housing b dimensions not given are the same as bushing mounted. solder holes - housing c dimensions not given are the same as bushing mounted. a c b channel b channel a common a c b pcb mounting dimensions (housing styles b and e) for tolerances not shown .xx = .010 .xxx = .005 shaft dimensions 1/32" snap-in mount - housing g "l" pcb mounting dimensions 8.51 (.335) 6.35 (.250) 9.0 (.354) 1.52 (.060) .250 (6.35) dia. m9 x 0.75-6g spl dia. 14.7 0.5 (.578 .020) 22.2 0.25 (.874 .010) 8.1 (.320) 11.1 (.437) 27.686 (1.090) 1.47 (.058) 2.54 (.100) 5.08 (.200) .107 (.042) 3 plcs. dia. 14.478 (.570) 26.975 (1.062) 17.069 (.672) 22.37 0.25 (.920 .010) 9.02 (.355) 5.74 (.226) .762 (.030) 4 plcs. 6.35 (.250) 13.08 (.515) 8.51 (.335) 6.35 (.250) 8.99 (.0354) 7.239 (.285) 7.70 (.303) 27.686x (27.686) 16.10 (.437) 9.53x (9.53) 22.20 0.25 (.874 .010) 14.68 5.08 (0.578 0.20) 34.21 (34.21) .051 (.020) 5.08 (.200) 2.54 (.100) .97 (.038) 2.54 (.100) 1.07 (0.042) 10.90 (.429) 3 x 2 x 8 x r 12.24 (.482) 19.76 (.778) 21.11 (.831) 11.33 (.446) 22.68 (.893) 4.7 (.185) 1.57 (.062) dia. .380 (9.65) .520 (14.7) 1.19 (.047) 6.00 (.236) dia. 1.6 (.063) 4.75 .076 (.187 .003) 3.94 + .051/ ?.025 (.155 + .002/ ?.001) dia. 6.32 + 0.03/?0.06 (.249 + .001/?.003) dia. 5.54 .076 (.218 .003) 6.32 + 0.03/?0.06 (.249 + .001/?.003) dia. 1.6 (.063) 1.19 (.047) 9.5 (.375) 3.17 (.125) 9.1 (.360) dia. dia. 2.54 (.100) typ. 1.2 (.047) dia. 7 plcs. 15.2 (.600) 23.6 (.930) 11.4 (.450) 23.37 0.25 (.920 .010) 17.0 (.67) for ordering informa tion, see following p age. ecw - digital contacting encoder
specifications ar e subject to change without notice. 148 part numbering system e c w 1 j - b 2 4 - b c 0 0 2 4 code c l rotational life 200,000 revolutions 100,000 revolutions code w l t description 9mm x 1/4" length. threaded m9x0.75 9mm x 3/8" length. threaded m9x0.75 (use b shaft only.) 9mm x 1/4". no thread. bushing configuration code 0 1 2 description not applicable normally open normally closed switching configuration (in detent position) applies to performance codes b0012 and c0024 only, use code "0" for all other performance codes. code j d description 9:00 position none anti-rotation lug position code b c r y j description plain with inserted slot (1/4" dia.) single flatted (1/4" dia.) plain with inserted slot (6mm dia.) split shaft version (.185" dia.) flatted shaft (3/16" dia.) shaft style (see outline drawing for details) code e0006 e0009 e0012 e0024 b0012 c0006 c0024 d0009 performance code cycles/rev. 6 9 12 24 12 6 24 9 detents 0 12 24 36 features terminal cover terminals solder holes pcb bracket hardware included snap-in mount *bushing code t only. housing terminal configuration (x indicates "equipped with" code a x x x b x x x c x x d x x e x x x x f x x x g* x x x code 16 20 24 28 32 36 19 22 24 shaft length (fms) available shaft styles b j b, c, j, y b, c, j, y b, c, j, y b, c, j, y r r r description 1/2" length 5/8" (15.9mm) length 3/4" (19mm) length 7/8" (22.2mm) length 1" (25.4mm) length 1-1/8" (28.6mm) length metric 19mm length 22mm length 24mm length the sample part number demonstrates the identification code for bourns contacting encoders. the part number shown is a commonly used model, typically available from stock. ecw - digital contacting encoder - how t o or der
specifications ar e subject to change without notice. 149 ea w - absolute contacting encoder (ace ? ) electrical characteristics output ............................................................................................................................... ........... 8-bit gray code with 128 absolute states closed cir cuit resistance ............................................................................................................................... ................. 5 ohms maximum open cir cuit resistance ............................................................................................................................... .............. 100k ohms minimum contact rating ....................................................................................................................... 10 milliamp @ 10 vdc or 0.1 watt maximum insulation resistance (500 vdc) ......................................................................................................................... 1,000 megohms minimum dielectric withstanding v oltage .......................................................................................................................... mil-std-202 method 301 sea level ............................................................................................................................... .................................... 1,000 v ac minimum electrical t ravel ............................................................................................................................... ............................................ continuous contact bounce (60 rpm) ............................................................................................................................... .. 2.7 milliseconds maximum rpm (operating) ............................................................................................................................... ...................................... 120 maximum envir onmental characteristics storage t emperatur e range ............................................................................................................................... ............... -40oc to +140oc operating t emperatur e range ............................................................................................................................... ............ -40oc to +125oc humidity ............................................................................................................................... ...... mil-std-202, method 103b, condition b v ibration ............................................................................................................................... .................................................................. 15g contact bounce ............................................................................................................................... .................. 0.1 millisecond maximum shock ............................................................................................................................... ...................................................................... 50g contact bounce ............................................................................................................................... .................. 0.1 millisecond maximum rotational life ............................................................................................................................... ......... 50,000 shaft r evolutions minimum* mechanical characteristics mechanical angle ............................................................................................................................... ....................................... continuous* w eight ............................................................................................................................... ....................................... appr oximately 0.50 oz. t or que ............................................................................................................................... ............................................... 0.75 to 2.50 oz-in. mounting t or que ............................................................................................................................... .............................. 7 in-lbs. maximum shaft side load (static) ............................................................................................................................... ....................... 10 lbs. minimum * consult factory p 8 1 m p resnet 4609x- 1 01 -472 "common" is either on a decoded "select" pin (active low) or at gnd. acetab: 256 byte code conversion table (rom) p 7 p 6 p 5 p 4 p 3 p 2 p 1 2 c 3 4 8 7 c 6 5 featur es n absolute encoder / gray code output n digital output n high operating temperatur e capabilities - up to 125 c n stur dy constr uction n bushing mount n a vailable with pc boar d mounting bracket (optional) recommended contr ol diagram for ace-128
specifications ar e subject to change without notice. 150 pin output code for ace-128 bit/pin corr elation: b7 b6 b5 b4 b3 b2 b1 b0 = p8 p7 p6 p5 p4 p3 p2 p1 a binary 1 denotes an open switch and a binary 0 denotes a closed switch. positions 0-127 ar e seen by a clockwise r otation of the shaft. decimal position p8 p7 p6 p5 p4 p3 p2 p1 output 0 0 1 1 1 1 1 1 1 127 1 0 0 1 1 1 1 1 1 63 2 0 0 1 1 1 1 1 0 62 3 0 0 1 1 1 0 1 0 58 4 0 0 1 1 1 0 0 0 56 5 1 0 1 1 1 0 0 0 184 6 1 0 0 1 1 0 0 0 152 7 0 0 0 1 1 0 0 0 24 8 0 0 0 0 1 0 0 0 8 9 0 1 0 0 1 0 0 0 72 10 0 1 0 0 1 0 0 1 73 11 0 1 0 0 1 1 0 1 77 12 0 1 0 0 1 1 1 1 79 13 0 0 0 0 1 1 1 1 15 14 0 0 1 0 1 1 1 1 47 15 1 0 1 0 1 1 1 1 175 16 1 0 1 1 1 1 1 1 191 17 1 0 0 1 1 1 1 1 159 18 0 0 0 1 1 1 1 1 31 19 0 0 0 1 1 1 0 1 29 20 0 0 0 1 1 1 0 0 28 21 0 1 0 1 1 1 0 0 92 22 0 1 0 0 1 1 0 0 76 23 0 0 0 0 1 1 0 0 12 24 0 0 0 0 0 1 0 0 4 25 0 0 1 0 0 1 0 0 36 26 1 0 1 0 0 1 0 0 164 27 1 0 1 0 0 1 1 0 166 28 1 0 1 0 0 1 1 1 167 29 1 0 0 0 0 1 1 1 135 30 1 0 0 1 0 1 1 1 151 31 1 1 0 1 0 1 1 1 215 32 1 1 0 1 1 1 1 1 223 33 1 1 0 0 1 1 1 1 207 34 1 0 0 0 1 1 1 1 143 35 1 0 0 0 1 1 1 0 142 36 0 0 0 0 1 1 1 0 14 37 0 0 1 0 1 1 1 0 46 38 0 0 1 0 0 1 1 0 38 39 0 0 0 0 0 1 1 0 6 40 0 0 0 0 0 0 1 0 2 41 0 0 0 1 0 0 1 0 18 42 0 1 0 1 0 0 1 0 82 43 0 1 0 1 0 0 1 1 83 44 1 1 0 1 0 0 1 1 211 45 1 1 0 0 0 0 1 1 195 46 1 1 0 0 1 0 1 1 203 47 1 1 1 0 1 0 1 1 235 48 1 1 1 0 1 1 1 1 239 49 1 1 1 0 0 1 1 1 231 50 1 1 0 0 0 1 1 1 199 51 0 1 0 0 0 1 1 1 71 52 0 0 0 0 0 1 1 1 7 53 0 0 0 1 0 1 1 1 23 54 0 0 0 1 0 0 1 1 19 55 0 0 0 0 0 0 1 1 3 56 0 0 0 0 0 0 0 1 1 57 0 0 0 0 1 0 0 1 9 58 0 0 1 0 1 0 0 1 41 59 1 0 1 0 1 0 0 1 169 60 1 1 1 0 1 0 0 1 233 61 1 1 1 0 0 0 0 1 225 62 1 1 1 0 0 1 0 1 229 63 1 1 1 1 0 1 0 1 245 decimal position p8 p7 p6 p5 p4 p3 p2 p1 output 64 1 1 1 1 0 1 1 1 247 65 1 1 1 1 0 0 1 1 243 66 1 1 1 0 0 0 1 1 227 67 1 0 1 0 0 0 1 1 163 68 1 0 0 0 0 0 1 1 131 69 1 0 0 0 1 0 1 1 139 70 1 0 0 0 1 0 0 1 137 71 1 0 0 0 0 0 0 1 129 72 1 0 0 0 0 0 0 0 128 73 1 0 0 0 0 1 0 0 132 74 1 0 0 1 0 1 0 0 148 75 1 1 0 1 0 1 0 0 212 76 1 1 1 1 0 1 0 0 244 77 1 1 1 1 0 0 0 0 240 78 1 1 1 1 0 0 1 0 242 79 1 1 1 1 1 0 1 0 250 80 1 1 1 1 1 0 1 1 251 81 1 1 1 1 1 0 0 1 249 82 1 1 1 1 0 0 0 1 241 83 1 1 0 1 0 0 0 1 209 84 1 1 0 0 0 0 0 1 193 85 1 1 0 0 0 1 0 1 197 86 1 1 0 0 0 1 0 0 196 87 1 1 0 0 0 0 0 0 192 88 0 1 0 0 0 0 0 0 64 89 0 1 0 0 0 0 1 0 66 90 0 1 0 0 1 0 1 0 74 91 0 1 1 0 1 0 1 0 106 92 0 1 1 1 1 0 1 0 122 93 0 1 1 1 1 0 0 0 120 94 0 1 1 1 1 0 0 1 121 95 0 1 1 1 1 1 0 1 125 96 1 1 1 1 1 1 0 1 253 97 1 1 1 1 1 1 0 0 252 98 1 1 1 1 1 0 0 0 248 99 1 1 1 0 1 0 0 0 232 100 1 1 1 0 0 0 0 0 224 101 1 1 1 0 0 0 1 0 226 102 0 1 1 0 0 0 1 0 98 103 0 1 1 0 0 0 0 0 96 104 0 0 1 0 0 0 0 0 32 105 0 0 1 0 0 0 0 1 33 106 0 0 1 0 0 1 0 1 37 107 0 0 1 1 0 1 0 1 53 108 0 0 1 1 1 1 0 1 61 109 0 0 1 1 1 1 0 0 60 110 1 0 1 1 1 1 0 0 188 111 1 0 1 1 1 1 1 0 190 112 1 1 1 1 1 1 1 0 254 113 0 1 1 1 1 1 1 0 126 114 0 1 1 1 1 1 0 0 124 115 0 1 1 1 0 1 0 0 116 116 0 1 1 1 0 0 0 0 112 117 0 1 1 1 0 0 0 1 113 118 0 0 1 1 0 0 0 1 49 119 0 0 1 1 0 0 0 0 48 120 0 0 0 1 0 0 0 0 16 121 1 0 0 1 0 0 0 0 144 122 1 0 0 1 0 0 1 0 146 123 1 0 0 1 1 0 1 0 154 124 1 0 0 1 1 1 1 0 158 125 0 0 0 1 1 1 1 0 30 126 0 1 0 1 1 1 1 0 94 127 0 1 0 1 1 1 1 1 95 until now , the choice of an absolute encoder meant an expensive, and lar ger -sized pr oduct. thr ough the use of combinatorial mathe - matics, the gray-code patter n of the bour ns absolute contacting encoder ace? is placed on a single track for a very economical, ener gy-ef ficient and compact pr oduct. bour ns ace? pr ovides an absolute digital output that will also r etain its last position in the event of a power failur e. an intelligent alter native to incr emental encoders and potentiome - ters, the bour ns ace? is ideally suited for many industrial, automo - tive, medical and consumer pr oduct applications. ea w - absolute contacting encoder (ace ? )
specifications ar e subject to change without notice. 151 8 7 c 6 5 1 2 c 3 4 .020 (0.51) .030 (0.76) .355 (9.02) .241 (6.12) .920 ?.010 (23.37 ?.25) .672 (17.07) typ. dimensional drawings bushing mounted: housing a pcb bracket mounted: housing b 8 7 c 6 5 1 2 c 3 4 .060 (1.52) .020 (0.5) 10 plcs. .100 (2.54) 8 plcs. .226 ?.010 (5.74 ?.25) .335 ?.010 (8.81 ?.25) .750 ?.015 (19.00 ?.38) .250 (6.35) .063 (1.6) .047 (1.19) .354 (9.0) dia. m9 x 0.75-6g spl .110 (2.79) .550 (14.0) .437 (11.1) 1.100 ?.010 (27.94 ?.25) .578 ?.020 (14.7 ?0.5) .047 (1.19) .355 ?.006 (9.02 ?. 15) .874 ?.010 (22.2 ?.25) .940 (23.88) dia. panel hole dimensions shaft style c "d" "d" shaft style j shaft style r shaft style b "d" dimension extends from shaft end to bushing face "d" = (shaft length, fms) ?(bushing length) pcb board hole pattern w/pcb bracket .236 (6.00) .063 (1.6) .187 ?.003 (4.75 ?.076) .158 + .002/ ?.001 (3.94 + .051/ ?.025) dia. .249 + .001/?.003 (6.32 + 0.03/?0.06) dia. .218 ?.003 (5.54 ?.076) .249 + .001/?.003 (6.32 + 0.03/?0.06) dia. .063 (1.6) .047 (1.19) .375 (9.5) .360 (9.1) .125 (3.17) dia. dia. .450 (11.4) 2 plcs. .100 (2.54) 1.000 (25.4) .047 (1.2) .600 (15.2) 2 plcs. .200 (5.1) 2 plcs. typ. dia. 14 plcs. dia. dimensional drawings dimensional drawings - for ace - 128 bushing mounted: housing a ea w - absolute contacting encoder (ace ? )
specifications ar e subject to change without notice. 152 part numbering system e a w 0 j - b 2 4 - a e 0 1 2 8 code a rotational life 50,000 revolutions code w l description 9mm x 1/4" length. threaded m9x0.75 9mm x 3/8" length. threaded m9x0.75 (use b shaft only.) bushing configuration code 0 1 description non-detented detented detent configuration applies to performance codes e0016, e0030 and e0036 only. code j d description 9:00 position none anti-rotation lug position code b c r description plain with inserted slot (1/4" dia.) single flatted (1/4" dia.) plain with inserted slot (6mm dia.) shaft style (see outline drawing for details) code e0030* e0036* e0128 performance code states/rev. 30 36 128 detents 30 36 0 features terminals pcb bracket hardware included *bushing code t only. housing terminal configuration (x indicates "equipped with" code a x x b x x c x x x code 24 19 shaft length (fms) available shaft styles b, c, j r description 3/4" (19mm) length metric 19mm length the sample part number demonstrates the identification code for bourns contacting encoders. the part number shown is a commonly used model, typically available from stock. *consult factory concerning special inquiries. ea w - ace ? encoder - how t o or der

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