Altera Multiaxis Motor Control Board Manual de usuario

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February 2014 Altera Corporation
MNL-1073 Reference Manual
© 2014 Altera Corporation. All rights reserved. ALTERA, ARRIA, CYCLONE, HARDCOPY, MAX, MEGACORE, NIOS,
QUARTUS and STRATIX words and logos are trademarks of Altera Corporation and registered in the U.S. Patent and Trademark
Office and in other countries. All other words and logos identified as trademarks or service marks are the property of their
respective holders as described at www.altera.com/common/legal.html. Altera warrants performance of its semiconductor
products to current specifications in accordance with Altera's standard warranty, but reserves the right to make changes to any
products and services at any time without notice. Altera assumes no responsibility or liability arising out of the application or use
of any information, product, or service described herein except as expressly agreed to in writing by Altera. Altera customers are
advised to obtain the latest version of device specifications before relying on any published information and before placing orders
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Multiaxis Motor Control Board
This reference manual describes the Altera
®
Multiaxis Motor Control Board.
Efficient control of torque and speed of AC motors requires corresponding control of
voltage and frequency that you supply to the motor. Typically, you filter the AC input
voltage for electromagnetic interference (EMI), correct it to achieve unity power
factor, then rectify it to yield a DC voltage. You then invert the rectifier output again
through switching of power electronics, such as insulated-gate bipolar transistors
(IGBTs) to create the appropriate variable AC voltages and frequency for the motor.
Control algorithms such as Field Oriented Control (FOC) of PMSMs require you to
measure and analog to digitally A/D convert motor current and voltages, to provide
the required feedback to the controller. In addition, you use analog-to-digital
converters (ADCs ) to monitor the DC link voltage and current. Multiaxis drives
achieve either a high degree of coordination of control across motors or, in some
applications, integrate control of multiple independent motors to reduce overall
system cost. In closed-loop control systems, modern drive requirements continue to
evolve the need for higher precision position and velocity encoder feedback devices.
Standard encoder interfaces, 7such as EnDat, BiSS, and HiperFace, are based on
traditional sin and cosine encoder techniques. These encoder interfaces incorporate
communication controllers that can transmit information back to the drive digitally,
which enhances their performance in noisy environments. Encoder interfaces support
features, such as online inspection of motor parameters and line delay measurement,
which you can incorporate into the motor control algorithm.
The Multiaxis Motor Control Board contains all the power electronics, current and
voltage sensing, and connections for motor position feedback. You can use the motor
Control Board to develop a motor control system that supports permanent magnet
synchronous motors (PMSMs) or brushless DC (BLDC) motors. The Multiaxis Motor
Control Board is suitable for single-axis and multiaxis motor control applications and
supports multiple position feedback interfaces..
Features
The Multiaxis Motor Control Board has the following features:
Power factor correction (PFC) and EMI filter
DC link power supply of 400 V
Switch mode power supplies for logic
IGBT power stages
Sigma-delta ADCs for sensing voltages and currents
Brake (chopper) switch
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Indice de contenidos

Pagina 1 - Multiaxis Motor Control Board

February 2014 Altera CorporationMNL-1073 Reference Manual© 2014 Altera Corporation. All rights reserved. ALTERA, ARRIA, CYCLONE, HARDCOPY, MAX, MEGACO

Pagina 2 - Connecting Encoders

Page 10 Functional DescriptionMultiaxis Motor Control Board February 2014 Altera CorporationThe following equation calculates the current in the third

Pagina 3 - Connecting the Motors

Functional Description Page 11Multiaxis Motor Control BoardFebruary 2014 Altera CorporationTable 4 lists the ADCs.Encoder InterfacesFigure 7 shows the

Pagina 4 - Functional Description

Page 12 Functional DescriptionMultiaxis Motor Control Board February 2014 Altera CorporationEnDat, BiSS, HIPERFACE DSL Encoder InterfaceThe Multiaxis

Pagina 5 - Power Supplies

Functional Description Page 13Multiaxis Motor Control BoardFebruary 2014 Altera CorporationQuadrature and Hall Effect Encoder InterfaceThe Multiaxis M

Pagina 6 - DC Link and PFC

Page 14 Functional DescriptionMultiaxis Motor Control Board February 2014 Altera Corporation61DRV_0_HSMC_RS485_ENInput Channel 0 RS485 encoder TX enab

Pagina 7 - Encoder Power Supplies

Functional Description Page 15Multiaxis Motor Control BoardFebruary 2014 Altera Corporation100 12 V — Power.101DRV_2_HSMC_U_DATA_OUTOutput Channel 2 p

Pagina 8 - Sigma-Delta Modulator ADCs

Page 16 Functional DescriptionMultiaxis Motor Control Board February 2014 Altera CorporationMains Input FuseA fuse, replacement part number LittleFuse

Pagina 9 - Motor Phase Currents

Functional Description Page 17Multiaxis Motor Control BoardFebruary 2014 Altera CorporationEncoder ConnectorsTable 7 lists the pin assignments for eac

Pagina 10 - ADC Clock Tree

Page 18 Functional DescriptionMultiaxis Motor Control Board February 2014 Altera CorporationJ11 Channel 0 encoder interface selection.J12 Channel 0 en

Pagina 11 - Encoder Interfaces

Functional Description Page 19Multiaxis Motor Control BoardFebruary 2014 Altera CorporationEncoder Power SupplyThe Multiaxis Motor Control Board can s

Pagina 12

Page 2 Setting Up the Multiaxis Motor Control BoardMultiaxis Motor Control Board February 2014 Altera Corporation Position feedback interfaces for:

Pagina 13 - HSMC Connector

Page 20 Functional DescriptionMultiaxis Motor Control Board February 2014 Altera CorporationEncoder RS485For encoders that use an RS485 interface, con

Pagina 14

References Page 21Multiaxis Motor Control BoardFebruary 2014 Altera CorporationThe function of the three DRV_x_HSMC_RSLVR_DRV_HALL_QUAD_y signals on t

Pagina 15

Page 22 Document Revision HistoryMultiaxis Motor Control Board February 2014 Altera Corporation Analog Devices ADS1205 Two 1-Bit, 10MHz, 2nd-Order, D

Pagina 16 - Motor Connectors

Setting Up the Multiaxis Motor Control Board Page 3Multiaxis Motor Control BoardFebruary 2014 Altera Corporation4. Connect the encoder cable to the sc

Pagina 17 - Jumper Settings

Page 4 Functional DescriptionMultiaxis Motor Control Board February 2014 Altera CorporationFunctional DescriptionFigure 1 shows the Multiaxis Motor Co

Pagina 18

Functional Description Page 5Multiaxis Motor Control BoardFebruary 2014 Altera CorporationFigure 2 shows a high-level block diagram of the Multiaxis M

Pagina 19 - Encoder Power Supply

Page 6 Functional DescriptionMultiaxis Motor Control Board February 2014 Altera CorporationMains Input The Multiaxis Motor Control Board filters the m

Pagina 20 - Encoder Interface

Functional Description Page 7Multiaxis Motor Control BoardFebruary 2014 Altera CorporationThe DC link can supply up to 1.5 kW in total, across all fou

Pagina 21 - References

Page 8 Functional DescriptionMultiaxis Motor Control Board February 2014 Altera CorporationThe time constant of the AC coupling allows the brake resis

Pagina 22 - Document Revision History

Functional Description Page 9Multiaxis Motor Control BoardFebruary 2014 Altera CorporationDC Link MonitorThe Multiaxis Motor Control Board measures th

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