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| oH V SC AV ER OM AI SIO PL LA N IA BL S NT E Features Incremental encoder / quadrature output Exceptionally long operating life Sturdy construction Bushing mount Available with PC board mounting bracket (optional) *R ECW - Digital Contacting Encoder Electrical Characteristics Output ..............................................................................................2-bit gray code, Channel A leads Channel B by 90 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 C to +85 C (-40 F to 185 F) Storage Temperature Range ............................................................................................................................................-40 C to +85 C (-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 ............................................................................................................................Manufacturer's name and trademark, part number, and date code. Hardware ..................................................One lockwasher and one mounting nut are shipped with each encoder, except 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 CW Closed Circuit Open Circuit Closed Circuit Open Circuit DDDDDDDDDDDDDDDDD Channel A FULL CYCLE PER DETENT (Normally Open in Detent Shown) CW Channel A Closed Circuit Open Circuit Closed Circuit Open Circuit D D D D D Channel B Channel B RECOMMENDED INCREMENTAL CONTROL DIAGRAM FOR USE WITH A DEBOUNCE CIRCUIT .0015 f 7 9 DIRECTION 5 ms DELAY DEBOUNCE (MC 14490) DECODE LOGIC MAGNITUDE UP/DOWN COUNTER BINARY OUTPUT (CUSTOMER LOGIC CIRCUITRY) *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 Dimensional Drawings BUSHING MOUNTED - HOUSING A Rear-Facing Terminals W style bushing shown. 8.51 (.335) "L" 0.38 ("L" .015) 9.52 (.375) 11.1 (.437) 14.7 0.5 DIA. 9.0 (.578 .020) DIA. (.354) M9 X 0.75-6g SPL CHANNEL A PANEL HOLE DIMENSIONS Bushing Mounted 22.2 0.25 (.874 .010) 27.68 0.25 (1.090 .010) 28.49 0.25 (1.122 .010) CHANNEL B 9.52 (.375) 3.17 DIA. (.125) 9.14 DIA. (.360) 6.35 0.25 (.250 .010) 1.52 (.060) ACB COMMON PCB BRACKET MOUNTED - HOUSING B Dimensions not given are the same as Bushing Mounted. 5.74 (.226) .762 (.030) 4 PLCS. ACB 6.35 0.25 (.250 .010) CHANNEL A COMMON CHANNEL B PCB MOUNTING DIMENSIONS (Housing Styles B and E) C L SOLDER HOLES - HOUSING C Dimensions not given are the same as Bushing Mounted. 9.02 (.355) 23.37 0.25 (.920 .010) 15.2 (.600) 23.6 (.930) 17.069 (.672) 11.4 (.450) 2.54 TYP. (.100) 1.2 DIA. 7 PLCS. (.047) 1.57 (.062) 2.54 (.100) 5.08 (.200) A C B 26.975 (1.062) 14.478 (.570) .107 DIA. (.042) 3 PLCS. SNAP-IN MOUNT - Housing G 13.08 (.515) "L" 0.38 ("L" .015) 8.51 (.335) 6.35 (.250) 22.20 0.25 (.874 .010) PCB MOUNTING DIMENSIONS 22.68 (.893) 9.53 (.375) 14.68 5.08 DIA. (0.578 0.20) 11.33 (.446) 7.24 0.25 (.285 .010) 1.52 (.060) 8.99 (.354) DIA. CHANNEL A COMMON 11.10 (.437) 27.69 0.25 (1.090 .010) 28.50 0.25 (1.122 .010) 3X 8X .635 (.025) 5.08 (.200) 2.54 (.100) .97 R (.038) 2X 2.54 (.100) 10.90 (.429) 12.24 (.482) 21.11 (.831) CHANNEL B 19.76 (.778) 1.07 3X (0.042) Shaft Style B 6.32 + 0.03/- 0.06 DIA. (.249 + .001/- .003) Shaft Style C 5.54 .076 (.218 .003) Shaft Style J 4.01 + .051/ - .025 (.158 + .002/ - .001) Shaft Style R 4.75 .006/-.051 DIA. (.187 + .003/-.002) 6.00 (.236) DIA. 1.19 (.047) Shaft Style Y 1.57 (.062) 4.7 DIA. (.185) 1.6 (.063) 1.19 (.047) "D" 6.32 + 0.03/- 0.06 DIA. (.249 + .001/- .003) "D" "D" DIMENSION EXTENDS FROM SHAFT END TO BUSHING FACE "D" = (SHAFT LENGTH, FMS) - (BUSHING LENGTH) 1.6 (.063) SLOT DEPTH ("Y" SHAFT) < 1 " LENGTH 9.65 FOR SHAFTS (.380) 14.7 FOR SHAFTS 1 " LENGTH (.578) BUSHING MOUNTED - HOUSING H Front-Facing Terminals 9.01 .020 (.355 .008) 1.19 (.047) 14.9 .050 DIA. (.587 .020) .635 3 PLCS. (.025) 23.87 (.940) 22.2 .025 (.874 .010) 4.01 +.050/-.025 (.158 +.002/-.001) 15.87 .038 (.625 .015) 6.35 (.250) 8.50 .025 (.335 .010) .25 (.010) MM (IN) 3.17 DIA. (.125) 9.52 (.375) .13 (.005) 1.52 (.060) 11.09 (.437) 9.93 DIA. (.391) 2.54 2 PLCS. (.100) 3/8-32 UNEF 2A 2.79 (.110) 4.75 +.076/-.050 DIA. (.187 +.003/-.002) 17.4 .025 (.685 .010) 1.57 (.062) 3.55 (.140) 1.19 DIA. (.047) 4 PLCS. CHANNEL A 16.0 2.54 (.100) (.630) 2 PLCS. CHANNEL B COMMON 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 - B24 -BC0024L RoHS IDENTIFIER Code Description L Compliant Blank Non-Compliant Code Rotational Life C 200,000 Revolutions BUSHING CONFIGURATION Code Description W 9 mm x 1/4 " Length. Threaded M9x0.75 L 9 mm x 3/8 " Length. Threaded M9x0.75 (Use B shaft only.) T 9 mm x 1/4 ". No Thread. PERFORMANCE CODE Code Detents Cycles/Rev. E0006 0 6 E0009 0 9 E0012 0 12 E0024 0 24 E0036 0 36 B0012 12 12 C0006 6 24 C0024 24 D0009 36 9 HOUSING TERMINAL CONFIGURATION (X indicates "Equipped With" Code Features A B C D E F G* H K Terminal Cover XX X X Rear-Facing Terminals XX X X Solder Holes XX X PCB Bracket X XXX Hardware Included X X XX X Snap-In Mount X Forward-Facing Terminals XX *Bushing code T only. SWITCHING CONFIGURATION (In Detent Position) Applies to performance codes B0012 and C0024 only, use code "0" for all other performance codes. Code Description 0 Not Applicable 1 Normally Open ANTI-ROTATION LUG POSITION Code Description J 9:00 Position D None SHAFT STYLE (See Outline Drawing for Details) Code Description B Plain with Inserted Slot (1/4 " Dia.) C Single Flatted (1/4 " Dia.) R Plain with Inserted Slot (6 mm Dia.) Y Split Shaft Version (.185 " Dia.) J Flatted Shaft (3/16 " Dia.) SHAFT LENGTH (FMS) Code 16 20 24 28 32 36 19 22 24 Available Description Shaft Styles 1/2 " Length B 5/8 " (15.9 mm) Length J 3/4 " (19 mm) Length B, C, J, Y 7/8 " (22.2 mm) Length B, C, J, Y 1 " (25.4 mm) Length B, C, J, Y 1-1/8 " (28.6 mm) Length B, C, J, Y Metric 19 mm Length R 22 mm Length R 24 mm Length R The sample part number demonstrates the identification code for Bourns contacting encoders. Boldface features are Bourns standard options. All others are available with higher minimum order quantities. REV. 01/07 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. |
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