Features
■ Incremental encoder / momentary push switch option
■ Long operating life
■ Sturdy construction
■ Snap-in mount
EPS - Digital Contacting Encoder With Momentary Switch Option
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....................................................................................................................................................................... 500 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
Encoder Switching Configuration (applies to detented version only) ............................................................................................................. Normally Open
Phase Tolerance (CH A to CH B)............................................................................................................................................................................ 90 ° ꢀ2 °
Environmental Characteristics
Operating Temperature Range ....................................................................................................................................... +1 ºC to +85 ºC (+34 °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
Switch Life.......................................................................................................................................................................................................100,000 cycles
IP Rating..........................................................................................................................................................................................................................IP 40
Mechanical Characteristics
Mechanical Angle........................................................................................................................................................................................ 360 ° Continuous
Running Torque ..............................................................................................................................................................0.5 to 1.5 N-cm (0.ꢀ5 to 2.25 oz-in.)
Mounting Torque ...........................................................................................................................................................56 to ꢀ9 N-cm (5-ꢀ lb.-in.) maximum
Shaft Side Load (Static)..................................................................................................................................................................4.53 kg (10 lbs.) minimum
Weight .................................................................................................................................................................................Approximately 21 gms. (0.ꢀ5 oz.)
Terminals .................................................................................................................................................................................Printed circuit board terminals
Soldering Condition...................................................................Recommended hand soldering using Sn95/Ag5 no clean solder, 0.025 ” wire diameter.
Maximum temperature 399 °C (ꢀ50 °F) for 3 seconds. No wash process to be used with no clean flux.
Part can be wave soldered at 260 °C (500 °F) for 5 seconds, no wash process with no clean flux.
Marking..............................................................................................................................................Manufacturer’s name and part number, and date code
Hardware.....................................................One lockwasher and one mounting nut supplied with each encoder, except where noted in the part number.
Switch Characteristics
Switch Type...............................................................................................................................................................................Push Momentary, SPST N.O.
Power Rating (Resistive Load) .................................................................................................................................................... 10 milliamps @ 12 volts DC
Closed Switch Resistance........................................................................................................................... Less than 200 ohms @ 440 gram force on shaft
Switch Travel ...................................................................................................................................................................................................2.25 0.25 mm
Switch Actuation Force ..............................................................................................................................................................3ꢀ0 ꢀ0 grams (5 1 oz.-in.)
Quadrature Output Table - This table is intended to show available outputs as currently defined.
FULL CYCLE PER DETENT
(Normally Open in Detent Shown)
RECOMMENDED INCREMENTAL CONTROL DIAGRAM
FOR USE WITH A DEBOUNCE CIRCUIT
(CUSTOMER LOGIC CIRCUITRY)
DIRECTION
FULL CYCLE PER DETENT (Normally Open in Detent Shown)
7
9
CW
Channel A
Closed Circuit
5 ms DELAY
DEBOUNCE
(MC 14490)
Open Circuit
DECODE
LOGIC
UP/DOWN
COUNTER
BINARY
OUTPUT
Closed Circuit
Open Circuit
MAGNITUDE
D
D
D
D
D
Channel B
CCW
*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
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