EN – Rotary Optical Encoder

Mechanical Characteristics

Mechanical Angle ........................................................................................................................................................................................ 360 ° Continuous

Torque (Starting and Running)

A & C Bushings (Spring Loaded for Optimum Feel)..............................................................................................................1 N-cm (1.5 oz-in.) maximum

W, S & T Bushings (Ball Bearing Shaft Support)..............................................................................................................0.07 N-cm (0.1 oz-in.) maximum

Mounting Torque.................................................................................................................................................... 1.7 to 2.0 N-m (15 to 18 lb.-in.) maximum

Shaft End Play.................................................................................................................................................................. 0.30 mm (0.012 ˝) T.I.R. maximum

Shaft Radial Play.............................................................................................................................................................. 0.12 mm (0.005 ˝) T.I.R. maximum

Weight ..........................................................................................................................................................................................................11 gms. (0.4 oz.)

Terminals ......................................................................................................................................................................Axial or radial pc pins or ribbon cable

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 trademark, name, part number, and date code.

Hardware.................................................................One lockwasher and one mounting nut supplied with each encoder, except on servo mount versions.

Quadrature Output Table

OUTPUT VOLTAGE

Channel A

Channel B

1 cycle

Clockwise rotation

360 ° ± 90 °

STANDARD RESOLUTIONS AVAILABLE

(Full quadrature output cycles per shaft revolution)

25*

125

50*

128

64

200

100

256

For Non-Standard Resolutions—Consult Factory

* Channel B leads Channel A

Specifications are subject to change without notice.

Users should verify actual device performance in their specific applications.

The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.