CUI DEVICES | SERIES: AMT12 | DESCRIPTION: MODULAR INCREMENTAL ENCODER

date 08/05/2022 | page 2 of 7

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WAVEFORMS

MECHANICAL

parameter

conditions/description

min

typ

max

units

motor shaft length

12.3

mm

motor shaft tolerance

NOM +0/-0.015

mm

axial play

±0.3

mm

hub set screw to shaft torque

3

in-lb

rotational speed (at each

resolution)

384, 768, 800, 1000, 1600, 2000, 2048, 4096

4000

RPM

96, 192, 200, 250, 400, 500, 512, 1024

8000

RPM

ENVIRONMENTAL

parameter

conditions/description

min

typ

max

units

operating temperature

-40

125

°C

humidity

non-condensing

85

%

vibration

10~500 Hz, 5 minute sweep, 2 hours on each XYZ

5

G

shock

3 pulses, 6 ms, 3 on each XYZ

200

G

RoHS

yes

Quadrature signals showing

counter-clockwise rotation

Figure 1

Parameter

Description

Expression

Units

Notes

PPR

resolution

Pulses Per Revolution

This is the user selected value and the format

all resolutions are listed in

CPR

counts

PPR x 4

Counts Per Revolution

This is the number of quadrature counts the

encoder has

T

period

360/R

mechanical degrees

P

pulse width

T/2

mechanical degrees

S

A/B state width

T/4

mechanical degrees

This is the width of a quadrature state

The following parameters are defined by the resolution selected for each encoder. The

encoders resolution is listed as Pulses Per Revolution (PPR), which is the number of

periods (or high pulses) over the encoders revolution.

Note:

For more information regarding PPR, CPR, or LPR (Lines Per Revolution) view https://www.cuidevices.com/blog/what-is-encoder-ppr-cpr-and-lpr

Additional Resources: Product Page