*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.

ECW - Digital Contacting Encoder

Features

■

Incremental encoder / quadrature output

■

Exceptionally long operating life

■

Sturdy construction

■

Bushing mount

■

Available with PC board mounting bracket (optional)

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 ............................................................................................................................................-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 (0.75 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

Manual Soldering ....................................................................................................................96.5Sn/3.0Ag/0.5Cu solid wire or no-clean rosin cored wire

370 °C (700 °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

Open Circuit

CW

Channel A

D DDD DD D D DD D D D D D D

D

Closed Circuit

Open Circuit

Closed Circuit

Channel B

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)

.0015 µf

9

7

MAGNITUDE

(CUSTOMER LOGIC CIRCUITRY)

DECODE

LOGIC

UP/DOWN

COUNTER

DIRECTION

BINARY

OUTPUT

RECOMMENDED INCREMENTAL CONTROL DIAGRAM FOR USE WITH A DEBOUNCE CIRCUIT