Features
■ Quadrature output
■ Snap-in PC board mount
■ Long operating life
■ Incremental output
■ Up to 24 full quadrature outputs per revolution
ES Series - Shaftless Contacting Encoders
Electrical Characteristics
Output ..............................................................................................2-bit gray 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 ..........................................................................................................................................+1 ºC to +85 ºC (+33 °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 0.8 N-cm (0.25 to 1.25 oz-in.)
Weight..........................................................................................................................................................................................Approximately 8 gm (0.28 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 (750 °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 trademark, part number and date code
Hardware ..................................................................................................................................................................................................No hardware supplied
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
RECOMMENDED INCREMENTAL CONTROL DIAGRAM FOR USE WITH A DEBOUNCE CIRCUIT
.0015 µf
(CUSTOMER LOGIC CIRCUITRY)
7
9
DIRECTION
5 ms DELAY
DEBOUNCE
(MC 14490)
DECODE
LOGIC
UP/DOWN
COUNTER
BINARY
OUTPUT
MAGNITUDE
Specifications are subject to change without notice.
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