Features

EPS - Digital Contacting Encoder With Momentary Switch Option

*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

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 ° ± 72 °

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 (0.75 to 2.25 oz-in.)

Mounting Torque ........................................................................................................................................................... 56 to 79 N-cm (5-7 lb.-in.) maximum

Shaft Side Load (Static).................................................................................................................................................................. 4.53 kg (10 lbs.) minimum

Weight .................................................................................................................................................................................Approximately 21 gms. (0.75 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 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 .............................................................................................................................................................. 370 ±70 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

CCW

FULL CYCLE PER DETENT (Normally Open in Detent Shown)

Open Circuit

CW

Channel A

D

D

DDD

Closed Circuit

Open Circuit

Closed Circuit

Channel B

5 ms DELAY

DEBOUNCE

(MC 14490)

9

7

MAGNITUDE

(CUSTOMER LOGIC CIRCUITRY)

DECODE

LOGIC

UP/DOWN

COUNTER

DIRECTION

BINARY

OUTPUT