PM2-256 BEI Technologies, Inc., PM2-256 Datasheet

PM2-256

Manufacturer Part Number

PM2-256

Description

Incremental Rotary Optical Encoder

Manufacturer

BEI Technologies, Inc.

Datasheet

1.PM2-256.pdf (2 pages)

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Mechanical Specifications

Dimensions: See Dimensions

Weight: 2 oz.

Shaft Loads: 2lbs. Axial, 1lb Radial

Torque: 1.0 oz. max.

Shaft Speed: 200 RPM max. (cont.)

Panel Thickness: 0.10” max.

Materials:

PMX Ordering Options

Use this diagram, working from left to right to construct your model number (example: PM2-256)

PMX Series— Panel Mount

Incremental Rotary Optical Encoder

Housing: Polycarbonate

Bushing/Shaft: Metal

Code Disc: Stainless Steel

BASIC MODEL

PMX

for assistance, call 800.350.2727

Tel: 805-968-0782 /800-350-2727 | Fax: 805-968-3154 /800-960-2726 | 7230 Hollister Ave., Goleta, CA 93117-2807 |

3 = Quadrature w/index

Electrical Specifications

Code: Incremental

Resolution: See ordering instructions

Supply Voltage: 5VDC±10% @ 60 mA max.

Output Format: TTL Dual Channel

Output Format Option: Index

OUTPUT FORMAT

2 = Quadrature

20 mA Source, 0.4V max.

10 mA Source, 3.5V min.

The PM Series Panel Mount Encoder was developed to provide control

manually. It is interchangeable with standard potentiometer type panel

mounting, yet provides direct digital accuracy without A/D conversion and has an

exponentially longer life expectancy.

The new BEI Panel Encoder is designed for applications where position control

and analog to digital conversions require manual knob control. Standard output

includes TTL quadrature with resolution up to 256. For zero referencing, an

optional index is available.

Hybrid technology aids in reliable operation over a standard temperature range

of 0° to 70°C. High reliability and accurate position control are possible by using

non-contacting elements, including a slotted metal disc placed between a

collimated infrared LED source and a common substrate sensor array. A strain

relief is provided for securing of lead terminations.

BEI’s new Panel Mount Encoder is ideal for audio, instrumentation, medical and

other related markets where accurate manual control is necessary.

For additional or special resolutions,

PULSES PER REVOLTUION:

please contact the factory

256

Environmental Specifications

Temperature: Operating 0° to 70°C

Shock: 50 G’s for 11ms duration

Vibration: 5Hz to 2kHz @ 20 G’s

Termination Specifications

Type: 5 position terminal board

Pin Out: See Pin out

BEI Industrial Encoders

Storage -25° to 90°C

Specification No. 924-02119-001 Rev.11-09

www.beiied.com

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PM2-256 Summary of contents

Page 1

... Housing: Polycarbonate Bushing/Shaft: Metal Code Disc: Stainless Steel PMX Ordering Options Use this diagram, working from left to right to construct your model number (example: PM2-256) BASIC MODEL The PM Series Panel Mount Encoder was developed to provide control manually interchangeable with standard potentiometer type panel mounting, yet provides direct digital accuracy without A/D conversion and has an exponentially longer life expectancy ...

Page 2

PMX Series— Panel Mount Incremental Rotary Optical Encoder Dimensions .20 Strain Relief .88 .25 .80 1 Keyway .06 x .03 .500 .062 Hole Label Identification MODEL NUMBER PART NUMBER These commodities, technology or software if exported from the United ...

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