cui.com

date 05/13/2016

│ page 2 of 10

CUI Inc

│ SERIES: AMT20 │ DESCRIPTION: MODULAR ABSOLUTE ENCODER

MECHANICAL

parameter

conditions/description

min

typ

max

units

motor shaft length

9

mm

weight

15.7

g

axial play

±0.3

mm

rotational speed

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

2011/65/EU

SERIAL INTERFACE

parameter

conditions/description

min

typ

max

units

protocol

Serial Peripheral Interface (SPI)

controller

1

MHz

Note:

1. See Microchip documentation for additional detaisl.

WAVEFORMS

X

A

B

I

P

T

S S S S

Quadrature signals with index showing

counter-clockwise rotation

Figure 1

Parameter

Description

Expression

Units

T

period

360/R

mechanical degrees

P

pulse width

T/2

mechanical degrees

I

index width

P/2

mechanical degrees

S

A/B state width

P/2

mechanical degrees

The following parameters are defined by the resolution selected for each

encoder, where R = resolution.

For more information, please visit the product page.