Elmomc SimplIQ Digital Servo Drives-Bell Command Referenc Instrukcja Użytkownika Pobierz pdf (Strona 201)

Contents

Chapter 1: Introduction..............................................................................................................6

Chapter 2: Device and Software Organization.......................................................................7

2.1. The SimplIQ for Steppers Processor and the Motion Processor...................................7

2.2. Storing Non-volatile Application Data ...........................................................................8

Chapter 3: Unit Modes...............................................................................................................9

3.1. Unit mode 0: Open loop voltage control.........................................................................9

3.2. Unit Mode 1: Torque Control...........................................................................................9

3.3. Unit Mode 2: Speed Control........................................................................................... 10

3.3.1 Software Speed Command.............................................................................. 12

3.3.2 Acceleration Limiting and Switch Logic........................................................14

3.4. Unit Mode 3: Open & Closed Loop Stepper Control................................................... 16

3.4.1 Open Loop Drives............................................................................................16

3.4.2 Closed Loop Drives..........................................................................................16

3.4.3 The Stepper Mode Position and Current Command Generator..................18

3.5. Unit Mode 4: Dual Feedback Mode............................................................................... 20

3.6. Unit Mode 5: Single Feedback Mode.............................................................................21

Chapter 4: Commutation and Pole Identification................................................................22

4.1. General Description ........................................................................................................22

4.1.1 Stepper Commutation......................................................................................23

4.1.2 Vector Commutation ....................................................................................... 23

4.2. Commutation Sensors.....................................................................................................24

4.2.1 Hall Sensors ...................................................................................................... 24

4.2.2 Aiding Commutation with High Resolution Position Sensors....................26

4.2.3 Initializing the High Resolution Position Sensor Manually ........................28

4.3. Auto-phasing and Commutation Search ......................................................................28

4.3.1 Auto Phasing by Oscillation............................................................................28

4.3.1.1 Selecting Parameters.................................................................................... 29

4.3.1.2 Method Limitation....................................................................................... 30

SimplIQ for Steppers Application Note Contents

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Elmomc SimplIQ Digital Servo Drives-Bell Command Referenc Instrukcja Użytkownika Strona 201