cui.com

date 03/29/2013

page 1 of 6

SERIES: AMT303

│ DESCRIPTION: MODULAR ENCODER

ELECTRICAL

parameter

conditions/description

min

nom

max

units

power supply

4.5

5

5.5

V

current consumption

with unloaded outputs

8

10

mA

commutation output signals

U, V, W phase

commutation pole

2, 4, 6, 8, 10, 12, 20 (software programmable)

incremental output signals

A, B, Z (AMT303)

A, A, B, B, Z, Z (AMT303LD)

incremental output waveform

quadrature output square wave

quadrature output resolutions

96, 192, 200, 250, 384, 400, 500, 512, 800, 1000,

1024

PPR

index

one pulse per 360 deg.

quadrature output current

AMT303 (single ended) sink/source

AMT303LD (differential) sink/source

2

20

mA

position accuracy

0.2

deg

MECHANICAL

parameter

conditions/description

min

nom

max

units

max. rotational speed

8,000

RPM

mounting options

A) 2 x M1.6 on 16 mm (0.63”) bolt circle

B) 2 x #4 on 19.05 mm (0.75”) bolt circle

C) 2 x M1.6 or M2 on 20 mm (0.787”) bolt circle

D) 3 x M1.6 or M2 on 20.9 mm (0.823”) bolt circle

with washers in option B holes

E) 3 x M1.6 or M2 on 22 mm (0.866”) bolt circle

F) 4 x M1.6 or M2 on 25.4 mm (1”) bolt circle

ENVIRONMENTAL

parameter

conditions/description

min

nom

max

units

operating temperature

-40

125

°C

humidity

non-condensing

85

%

vibration

10 ~ 500 Hz, 5 min. sweep, 2 hours each XYZ

5

G

shock

3 pulses, 6 ms, 3 each XYZ

200

G

FEATURES

• U, V, W commutation lines

• small size 37 mm

• line count up to 1024 PPR

• optional line driver output (303LD)

• single pulse index

• capacitive ASIC technology

• modular locking hub design for ease of installation

• 2, 4, 6, 8, 10, 12, or 20 pole motors

• 6 programmable functions

• ’One Touch’ commutation signal alignment

RoHS