ECW1J-R24-EC0024 Bourns Inc., ECW1J-R24-EC0024 Datasheet

Encoders Digital Contacting Bushing Mount

ECW1J-R24-EC0024

Manufacturer Part Number
ECW1J-R24-EC0024
Description
Encoders Digital Contacting Bushing Mount
Manufacturer
Bourns Inc.
Datasheet

Specifications of ECW1J-R24-EC0024

Number Of Detents
24
Output
2 bit Gray Code
Shaft Type
1/4 in Diameter Plain with Inserted Slot
With Switch
Without
Pulses Per Revolution
24 PPR
Termination Style
Solder Pin
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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)
Electrical Travel..................................................................................................................................................................................................... Continuous
Contact Bounce (15 RPM) ............................................................................................................................................................... 5 milliseconds maximum
RPM (Operating) ............................................................................................................................................................................................... 120 maximum
Phase Tolerance (CH A to CH B) ............................................................................................................................................................................90 ° ± 72 °
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
Shock .............................................................................................................................................................................................................................. 50 G
Rotational Life ................................................................................................................................................................................ 200,000 shaft revolutions
IP Rating ..........................................................................................................................................................................................................................IP 40
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
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.
RECOMMENDED INCREMENTAL CONTROL DIAGRAM FOR USE WITH A DEBOUNCE CIRCUIT
Electrical Characteristics
Environmental Characteristics
Mechanical Characteristics
Quadrature Output Table – This table is intended to show available outputs as currently defi ned.
Sea Level ............................................................................................................................................................................................ 1,000 VAC minimum
Contact Bounce..........................................................................................................................................................................0.1 millisecond maximum
Contact Bounce..........................................................................................................................................................................0.1 millisecond maximum
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
1/4 CYCLE PER DETENT
CW
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 A
Channel B
Features
ECW - Digital Contacting Encoder
Incremental encoder / quadrature output
Exceptionally long operating life
Sturdy construction
Bushing mount
Available with PC board mounting bracket (optional)
7
5 ms DELAY
(MC 14490)
DEBOUNCE
.0015 f
9
FULL CYCLE PER DETENT (Normally Open in Detent Shown)
CW
Closed Circuit
Closed Circuit
Open Circuit
Open Circuit
DECODE
LOGIC
Customers should verify actual device performance in their specifi c applications
(CUSTOMER LOGIC CIRCUITRY)
D
MAGNITUDE
DIRECTION
D
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Channel A
Channel B
UP/DOWN
COUNTER
D
Specifi cations are subject to change without notice.
OUTPUT
BINARY
370 °C (700 °F) max. for 3 seconds
260 °C (500 °F) max. for 5 seconds
D
D

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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 ...

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