*R oH VE S CO AV R M AI SIO PL LA N IA BL S NT E Features Non-RoHS compliant versions are currently available but not recommended for new designs. Incremental encoder / quadrature output Exceptionally long operating life Sturdy construction Bushing mount Available with PC board mounting bracket (optional) ECW - Digital Contacting Encoder Electrical Characteristics Output .................................................................................. 2-bit quadrature 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 FULL CYCLE PER DETENT (Normally Open in Detent Shown) CW Channel A Channel A Closed Circuit Closed Circuit Open Circuit Open Circuit Closed Circuit Closed Circuit Open Circuit Open Circuit D D D D D D D D D D D D D D D D D Channel B D D D D Channel B CCW D CCW RECOMMENDED INCREMENTAL CONTROL DIAGRAM FOR USE WITH A DEBOUNCE CIRCUIT (CUSTOMER LOGIC CIRCUITRY) 7 9 DIRECTION 5 ms DELAY DEBOUNCE (MC 14490) DECODE LOGIC UP/DOWN COUNTER BINARY OUTPUT MAGNITUDE *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. 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 PANEL HOLE DIMENSIONS Bushing Mounted "L" 0.38 ("L" .015) 8.51 (.335) 22.2 0.25 (.874 .010) 6.35 (.250) 11.1 (.437) 14.7 0.5 DIA. 9.0 (.578 .020) DIA. (.354) M9 X 0.75-6g SPL 1.52 (.060) 5.69 0.25 (.224 .010) 5.74 (.226) 9.02 (.355) CHANNEL B PCB MOUNTING DIMENSIONS (Housing Styles B and E) SOLDER HOLES - HOUSING C Dimensions not given are the same as Bushing Mounted. CL 23.37 0.25 (.920 .010) .762 (.030) 4 PLCS. COMMON 11.4 (.450) 2.54 TYP. (.100) 15.2 (.600) 17.069 (.672) 23.6 (.930) 26.975 (1.062) 14.478 (.570) 1.2 DIA. 7 PLCS. (.047) CHANNEL A 2.54 (.100) 1.57 (.062) ACB 6.35 0.25 (.250 .010) COMMON 7.24 0.25 (.285 .010) 1.6 (.063) 11.10 (.437) COMMON CHANNEL B 6.32 + 0.03/- 0.06 DIA. (.249 + .001/- .003) "D" Shaft Style R "D" 14.9 .050 DIA. (.587 .020) 2.54 2 PLCS. (.100) 1.07 3X (0.042) 11.09 (.437) 4.01 +.050/-.025 (.158 +.002/-.001) 6.35 (.250) 10.90 (.429) 1.19 (.047) 1.57 (.062) 17.4 .025 (.685 .010) 4.75 +.076/-.050 DIA. (.187 +.003/-.002) Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications 19.76 (.778) 4.7 DIA. (.185) 9.65 FOR SHAFTS (.380) 14.7 < 1 " LENGTH FOR SHAFTS 1 " LENGTH (.578) SLOT DEPTH ("Y" SHAFT) .13 (.005) .25 (.010) 8.50 .025 (.335 .010) MM (IN) 3.17 DIA. (.125) 1.57 (.062) 3.55 (.140) 9.93 DIA. (.391) 9.52 (.375) 3/8-32 UNEF 2A 2.79 (.110) 12.24 (.482) Shaft Style Y 15.87 .038 (.625 .015) 22.2 .025 (.874 .010) 1.19 (.047) 2.54 (.100) 6.00 (.236) DIA. 1.6 (.063) 23.87 (.940) 9.01 .020 (.355 .008) 2X 4.75 .006/-.051 DIA. (.187 + .003/-.002) "D" DIMENSION EXTENDS FROM SHAFT END TO BUSHING FACE "D" = (SHAFT LENGTH, FMS) - (BUSHING LENGTH) 1.52 (.060) 2.54 (.100) 5.08 (.200) 4.01 + .051/ - .025 (.158 + .002/ - .001) 5.54 .076 (.218 .003) 21.11 (.831) .97 8X R (.038) .635 (.025) Shaft Style J BUSHING MOUNTED - HOUSING H Front-Facing Terminals .635 3 PLCS. (.025) 27.69 0.25 (1.090 .010) 28.50 0.25 (1.122 .010) 3X Shaft Style C 1.19 (.047) .107 DIA. (.042) 3 PLCS. 11.33 (.446) 14.68 5.08 DIA. (0.578 0.20) 9.53 (.375) CHANNEL A 6.32 + 0.03/- 0.06 DIA. (.249 + .001/- .003) B 22.68 (.893) 22.20 0.25 (.874 .010) 8.99 (.354) DIA. Shaft Style B A PCB MOUNTING DIMENSIONS "L" 0.38 ("L" .015) 8.51 (.335) 6.35 (.250) 1.52 (.060) C 5.08 (.200) CHANNEL B SNAP-IN MOUNT - Housing G 13.08 (.515) 9.14 DIA. (.360) 3.17 DIA. (.125) 28.49 0.25 (1.122 .010) ACB CHANNEL A PCB BRACKET MOUNTED - HOUSING B Dimensions not given are the same as Bushing Mounted. 9.52 (.375) 27.68 0.25 (1.090 .010) 1.19 DIA. (.047) 4 PLCS. 16.0 2.54 (.100) (.630) 2 PLCS. CHANNEL A CHANNEL B COMMON ECW - Digital Contacting Encoder How to Order PART NUMBERING SYSTEM E C W 1 J - B 2 4 - B C 0 0 2 4 L RoHS IDENTIFIER Code Description L Compliant Blank Non-Compliant Code Rotational Life C 200,000 Revolutions 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 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. 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 HOUSING TERMINAL CONFIGURATION (X indicates "Equipped With" Code A B C D E F G* H K Features X X X X Terminal Cover X X X X Rear-Facing Terminals X X X Solder Holes X X X X PCB Bracket X X X X X Hardware Included X Snap-In Mount X X Forward-Facing Terminals ANTI-ROTATION LUG POSITION Code Description J 9:00 Position D None *Bushing code T only. 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.) 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. 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 REV. 07/12 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications