*rohs directive 2002/95/ec jan 27 2003 including annex specifications are subject to change without notice. customers should verify actual device performance in their specific applications. ecw - digital contacting encoder features incremental encoder / quadrature output exceptionally long operating life sturdy construction bushing mount available with pc board mounting bracket (optional) electrical characteristics output ..............................................................................................2-bit gray code, channel a leads channel b by 90 o electrically turning clockwise (cw) closed circuit resistance ...................................................................................................... ........................................................................5 ohms maximum open circuit resistance ........................................................................................................ ..................................................................100 k ohms minimum contact rating ................................................................................................................. ...................................10 milliamp @ 10 vdc or 0.1 watt maximum insulation resistance (500 vdc) ................................................................................................ ......................................................1,000 megohms minimum dielectric withstanding voltage (mil-std-202 method 301) sea level ...................................................................................................................... ..........................................................................1,000 vac minimum electrical travel .............................................................................................................. ..........................................................................................continuous contact bounce (15 rpm) ........................................................................................................ ..........................................................5 milliseconds maximum rpm (operating) ................................................................................................................ ..................................................................................120 maximum phase tolerance (ch a to ch b) ................................................................................................. .............................................................................90 72 environmental characteristics operating temperature range .................................................................................................... ........................................-40 oc to +85 oc (-40 f to 185 f) storage temperature range ...................................................................................................... ......................................-40 oc to +85 oc (-40 f to +185 f) humidity....................................................................................................................... .............................................mil-std-202, method 103b, condition b vibration ...................................................................................................................... ........................................................................................................15 g contact bounce ................................................................................................................. ...........................................................0.1 millisecond maximum shock .......................................................................................................................... ........................................................................................................50 g contact bounce ................................................................................................................. ...........................................................0.1 millisecond maximum rotational life ................................................................................................................ ....................................................................200,000 shaft revolutions ip rating ...................................................................................................................... ........................................................................................................ip 40 mechanical characteristics mechanical angle ............................................................................................................... .......................................................................................continuous running torque (detented) ...................................................................................................... ..........................................0.5 to 1.5 n-cm (0.75 to 2.25 oz-in.) undetented torque .............................................................................................................. ............................................0.17 to 1.0 n-cm (0.25 to 1.50 oz-in) mounting torque................................................................................................................ ............................................................79 n-cm (7 lb.-in.) maximum shaft side load (static) ....................................................................................................... ...............................................................4.5 kg (10 lbs.) minimum weight ......................................................................................................................... ...........................................................approximately 21 gms. (0.75 oz.) terminals...................................................................................................................... ................................................................................pc pin or solder lug soldering condition manual soldering ............................................................................................................... .....96.5sn/3.0ag/0.5cu solid wire or no-clean rosin cored wire 370 c (700 f) max. for 3 seconds wave soldering ................................................................................................................. .............................96.5sn/3.0ag/0.5cu solder with no-clean flux 260 c (500 f) max. for 5 seconds wash processes ................................................................................................................. .......................................................................not recommended marking ........................................................................................................................ ....manufacturers name and trademark, part number, and date code. hardware ..................................................one lockwasher and one mounting nut are shipped with each encoder, ex cept where noted in the part number. quadrature output table ? this table is intended to show available outputs as currently defined. 1/4 cycle per detent open circuit cw channel a ddddddddddddddddd closed circuit open circuit closed circuit channel b full cycle per detent (normally open in detent shown) open circuit cw channel a ddddd closed circuit open circuit closed circuit channel b 5 ms delay debounce (mc 14490) .0015 f 9 7 magnitude (customer logic circuitry) decode logic up/down counter direction binary output recommended incremental control diagram for use with a debounce circuit *rohs compliant versions available
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. ecw - digital contacting encoder dimensional drawings bushing mounted - housing a rear-facing terminals w style bushing shown. bushing mounted - housing h front-facing terminals 8.51 (.335) 9.0 (.354) 1.52 (.060) 9.52 (.375) ???0.38 (???.015) ???0.38 (???.015) 6.35 ?0.25 (.250 ?.010) 6.35 ?0.25 (.250 ?.010) dia. m9 x 0.75-6g spl 14.7 ?0.5 (.578 ?.020) dia. 22.2 ?0.25 (.874 ?.010) 27.68 ?0.25 (1.090 ?.010) 28.49 ?0.25 (1.122 ?.010) acb 11.1 (.437) channel b channel a common channel b channel a common channel b channel a common pcb bracket mounted - housing b dimensions not given are the same as bushing mounted. 5.74 (.226) 9.02 (.355) .762 (.030) 4 plcs. 23.37 ?0.25 (.920 ?.010) 17.069 (.672) acb solder holes - housing c dimensions not given are the same as bushing mounted. 2.54 (.100) 5.08 (.200) .107 (.042) 3 plcs. dia. 14.478 (.570) 26.975 (1.062) a c b 1.57 (.062) c l 15.2 (.600) 23.6 (.930) 11.4 (.450) 2.54 (.100) typ. 1.2 (.047) dia. 7 plcs. snap-in mount - housing g pcb mounting dimensions (housing styles b and e) 13.08 (.515) 8.51 (.335) 6.35 (.250) 8.99 (.354) dia. 1.52 (.060) 7.24 ?0.25 (.285 ?.010) 22.20 ?0.25 (.874 ?.010) 9.53 (.375) 14.68 ?5.08 (0.578 ?0.20) dia. 27.69 ?0.25 (1.090 ?.010) 28.50 ?0.25 (1.122 ?.010) 11.10 (.437) .635 (.025) 2.54 (.100) 5.08 (.200) pcb mounting dimensions 22.68 (.893) 11.33 (.446) 8 x 3 x .97 (.038) r 21.11 (.831) 19.76 (.778) 12.24 (.482) 10.90 (.429) 3 x 1.07 (0.042) 2.54 (.100) 2 x shaft style b 6.32 + 0.03/?0.06 (.249 + .001/?.003) dia. 1.19 (.047) 1.6 (.063) 1.52 (.060) .635 (.025) 3 plcs. 2.54 (.100) 2 plcs. 2.79 (.110) 23.87 (.940) 1.19 (.047) 11.09 (.437) 6.35 (.250) 9.52 (.375) 16.0 (.630) 3.17 (.125) dia. 2.54 (.100) 2 plcs. 1.19 (.047) dia. 4 plcs. 9.93 (.391) dia. 14.9 ?050 (.587 ?020) dia. 9.01 ?020 (.355 ?008) 22.2 ?025 (.874 ?010) 17.4 ?025 (.685 ?010) 15.87 ?038 (.625 ?015) 8.50 ?025 (.335 ?010) 4.75 +.076/-.050 (.187 +.003/-.002) dia. 4.01 +.050/-.025 (.158 +.002/-.001) 3/8?2 unef 2a "d" dimension extends from shaft end to bushing face "d" = (shaft length, fms) ?(bushing length) shaft style c 5.54 ?.076 (.218 ?.003) "d" 6.32 + 0.03/?0.06 (.249 + .001/?.003) dia. shaft style j "d" 4.01 + .051/ ?.025 (.158 + .002/ ?.001) 4.75 ?.006/-.051 (.187 + .003/-.002) dia. shaft style r 1.6 (.063) 1.57 (.062) 3.55 (.140) 6.00 (.236) dia. 1.19 (.047) shaft style y 1.57 (.062) 4.7 (.185) dia. 9.65 (.380) 14.7 (.578) slot depth ("y" shaft) for shafts < 1 " length for shafts 1 " length channel b channel a common panel hole dimensions bushing mounted 9.52 (.375) 3.17 (.125) 9.14 (.360) dia. dia. .25 (.010) .13 (.005) mm (in)
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. ecw - digital contacting encoder how to order part numbering system ecw1 j - b2 4 - bc0 0 24l code c rotational life 200,000 revolutions code w l t description 9 mm x 1/4 " length. threaded m9x0.75 9 mm x 3/8 " length. threaded m9x0.75 (use b shaft only.) 9 mm x 1/4 ". no thread. bushing configuration code 0 1 description not applicable normally open 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 (6 mm dia.) split shaft version (.185 " dia.) flatted shaft (3/16 " dia.) shaft style (see outline drawing for details) features terminal cover rear-facing terminals solder holes pcb bracket hardware included snap-in mount forward-facing terminals *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 h x x k 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 " (15.9 mm) length 3/4 " (19 mm) length 7/8 " (22.2 mm) length 1 " (25.4 mm) length 1-1/8 " (28.6 mm) length metric 19 mm length 22 mm length 24 mm length the sample part number demonstrates the identification code for bourns contacting encoders. boldface features are bourns standard options. all others are available with hi g her minimum order quantities. code e0006 e0009 e0012 e0024 e0036 b0012 c0006 c0024 d0009 performance code cycles/rev. 6 9 12 24 36 12 6 24 9 detents 0 0 0 0 0 12 24 36 code l blank description compliant non-compliant rohs identifier rev. 10/08
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