5 ms DELAY

DEBOUNCE

(MC 14490)

.0015 f

9

7

MAGNITUDE

(CUSTOMER LOGIC CIRCUITRY)

DECODE

LOGIC

UP/DOWN

COUNTER

DIRECTION

BINARY

OUTPUT

Features

■

Incremental encoder / quadrature output

■

Exceptionally long operating life

■

Sturdy construction

■

Bushing mount

■

Available with PC board mounting bracket (optional)

ECW - Digital Contacting Encoder

*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 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.

RECOMMENDED INCREMENTAL CONTROL DIAGRAM FOR USE WITH A DEBOUNCE CIRCUIT

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