Encoders Digital Contacting Bushing Mount

ECW1J-R24-EC0024

Manufacturer Part NumberECW1J-R24-EC0024
DescriptionEncoders Digital Contacting Bushing Mount
ManufacturerBourns Inc.
ECW1J-R24-EC0024 datasheet
 


Specifications of ECW1J-R24-EC0024

Number Of Detents24Output2 bit Gray Code
Shaft Type1/4 in Diameter Plain with Inserted SlotWith SwitchWithout
Pulses Per Revolution24 PPRTermination StyleSolder Pin
Lead Free Status / RoHS StatusLead free / RoHS Compliant  
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Electrical Characteristics
Output ................................................................................2-bit quadrature 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
Wave Soldering...........................................................................................................................................96.5Sn/3.0Ag/0.5Cu solder with no-clean fl ux
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 defi ned.
1/4 CYCLE PER DETENT
CW
Closed Circuit
Open Circuit
Closed Circuit
Open Circuit
D D D D D D D D D D D D D D D D D
RECOMMENDED INCREMENTAL CONTROL DIAGRAM FOR USE WITH A DEBOUNCE CIRCUIT
Features
Incremental encoder / quadrature output
Exceptionally long operating life
Sturdy construction
Bushing mount
Available with PC board mounting bracket (optional)
ECW - Digital Contacting Encoder
FULL CYCLE PER DETENT (Normally Open in Detent Shown)
Channel A
CW
Closed Circuit
Open Circuit
Closed Circuit
Open Circuit
D
Channel B
.0015 f
(CUSTOMER LOGIC CIRCUITRY)
7
9
5 ms DELAY
DECODE
DEBOUNCE
LOGIC
(MC 14490)
Customers should verify actual device performance in their specifi c applications
370 °C (700 °F) max. for 3 seconds
260 °C (500 °F) max. for 5 seconds
Channel A
D
D
D
D
Channel B
DIRECTION
UP/DOWN
BINARY
COUNTER
OUTPUT
MAGNITUDE
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specifi cations are subject to change without notice.

ECW1J-R24-EC0024 Summary of contents

  • Page 1

    Electrical Characteristics Output ................................................................................2-bit quadrature code, Channel A leads Channel º electrically turning clockwise (CW) Closed Circuit Resistance .......................................................................................................................................................................... 5 ohms maximum Open Circuit Resistance .......................................................................................................................................................................100 K ohms minimum Contact Rating ................................................................................................................................................. 10 milliamp @ 10 VDC ...

  • Page 2

    ECW - Digital Contacting Encoder Dimensional Drawings BUSHING MOUNTED - HOUSING A “L” ± 0.38 Rear-Facing Terminals (“L” ± .015) 8.51 (.335) 1.52 5.69 ± 0.25 (.060) (.224 ± .010) PCB BRACKET MOUNTED - HOUSING B Dimensions not given are ...

  • Page 3

    ... 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 PERFORMANCE CODE Code ...