AN1078_dsPIC33EP256MC506_源代码，滑膜，SMO

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 2012 Microchip Technology Inc. page 1

AN1078 Demonstration ReadMe for the

dsPICDEM™ MCLV-2 Development Board with the

dsPIC33EP256MC506 External Op Amp PIM (MPLAB 8)

1.1 INTRODUCTION

This document describes the setup requirements for running the Sensorless FOC algorithm with a

• C30 version 3.31 (or later)

Hardware used with part numbers, available from www.microchipdirect.com:

• dsPICDEM MCLV-2 Development Board (DM330021-2)

• dsPIC33EP256MC506 External Op amp PIM (MA330031-2)

• 24V Power supply (AC002013)

• 24V Hurst motor (AC300020)

1.3 HARDWARE SETUP

The following hardware setup allows the Sensorless FOC algorithm to run on the dsPICDEM

MCLV-2 Development Board using Op amps that are external to the dsPIC33EP256MC506 device.

1. With the dsPICDEM MCLV-2 Development Board disconnected, and making sure there is no

2. Connect the motor phases to the output header, J7. The winding color can be connected in any

order to M1, M2, and M3 since it is a sensorless control algorithm. The Green wire does not

have internal connection in the motor, so it can be left unconnected.

page 2  2012 Microchip Technology Inc.

3. Connect the External Op amp Configuration Board into J14. Ensure that the matrix board is

correctly oriented before proceeding.

4. Connect the 24V power supply to the dsPICDEM MCLV-2 Development Board, using the J2

MCLV-2 Development Board.

Notice that when the development board is powered and connected to the USB host for the

first time, the driver needs to be installed on the host for proper operation.

a) Extract the PC_USB_driver_for_win2k_xp_vista32_64.zip archive file to a local

directory. This file is part of the ZIP file of the code.

b) When prompted to select the driver for new USB device found, select the driver from the

ones provided corresponding to the operating system used: Windows 2000, XP, or Vista

(32- or 64-bit). Wait for the indication that the new device was installed properly and is

ready to be used. Once the USB driver is installed, it will emulate a Serial COM Port,

 2012 Microchip Technology Inc. page 3

This demonstration consists of running the motor using a push button and varying the speed with a

potentiometer. The software, which is available for download from the Microchip website, is already

configured for enabling the basic demonstration.

1. Start MPLAB IDE and open the PMSM.mcp workspace.

2. Select the desired programmer/debugger. In this example, REAL ICE™ is selected.

3. Make sure that RTDM and DMCI_DEMO are not defined in the UserParms.h file. This allows the

push button and the potentiometer to have control over starting and stopping the motor and its