AMT31 Datasheet, PDF (1/10 Pages) CUI INC – MODULAR COMMUTATION ENCODER

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SERIES: AMT31 │ DESCRIPTION: MODULAR COMMUTATION ENCODER
FEATURES
• patented capacitive ASIC technology
• low power consumption
• U, V, W commutation phase channels
• 2, 4, 6, 8, 10, 12, 20 motor poles w/ incremental resolutions up to 4096 PPR
• resolutions and poles programmable with AMT Viewpoint™ PC software
• differential line driver versions
• digitally set zero position with AMT One Touch Zero™ module or serial commands
• compact modular package with locking hub for ease of installation
• radial and axial cable connections
• -40~105°C operating temperature
date 10/13/2015
page 1 of 10
ELECTRICAL
parameter
power supply
start up time
current consumption
single ended channels
differential RS-422 channels
conditions/description
VDD
with unloaded output
output high level
output low level
output current (per channel)
rise/fall time
output high level
output low level
output current (per channel)
rise/fall time
min
typ
4.5
5
200
16
VDD-0.1
8
3
7
11
INCREMENTAL CHARACTERISTICS
parameter
conditions/description
min
typ
waveform
CMOS voltage square wave
phase difference
A leads B for CCW rotation (viewed from front)
90
quadrature resolutions¹
48, 96, 100, 125, 192, 200, 250, 256, 384, 400, 500,
512, 768, 800, 1000, 1024, 1600, 2000, 2048, 4096
index²
one pulse per 360 degree rotation
accuracy
0.2
quadrature duty cycle
50
COMMUTATION CHARACTERISTICS
parameter
conditions/description
min
typ
channels
CMOS Voltage (S)
Quadrature Line Driver (Q)
Commutation Line Driver (C)
Line Driver (D)
A, B, Z, U, V, W
A, A¯, B, B¯, Z, Z¯, U, V, W
A, B, Z, U, U¯, V, V¯, W, W¯
A, A¯, B, B¯, Z, Z¯, U, U¯, V, ¯V, W, W¯
motor poles³
2, 4, 6, 8, 10, 12, 20
waveform²
CMOS voltage square wave
phase difference
WYE motor winding configurations
120
Notes:
1. Resolutions programmed with AMT Viewpoint™ PC software. Default resolution set to 2048 PPR.
2. Zero position alignment set with AMT One Touch Zero™ module, AMT Viewpoint™ PC software, or serial commands
3. Pole counts and waveform direction set via AMT Viewpoint™ PC software. Default poles set to 4 poles and counter-clockwise direction.
cui.com
max
5.5
0.1
15
0.1
20
20
max
max
units
V
ms
mA
V
V
mA
ns
V
V
mA
ns
units
degrees
PPR
degrees
%
units
electrical
degrees