Features
■ Incremental encoder / quadrature output
■ Exceptionally long operating life
■ Sturdy construction
■ Bushing mount
■ Available with PC board mounting bracket (optional)
■ RoHS compliant*
ECW - Digital Contacting Encoder
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 ° ꢀ2 °
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.ꢀ5 to 2.25 oz-in.)
Undetented Torque........................................................................................................................................................ 0.1ꢀ to 1.0 N-cm (0.25 to 1.50 oz-in)
Mounting Torque.........................................................................................................................................................................ꢀ9 N-cm (ꢀ lb.-in.) maximum
Shaft Side Load (Static)....................................................................................................................................................................4.5 kg (10 lbs.) minimum
Weight ................................................................................................................................................................................ Approximately 21 gms. (0.ꢀ5 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
3ꢀ0 °C (ꢀ00 °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)
Channel A
CW
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
D
D
D
D
D
Channel B
Channel B
CCW
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.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
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