DG-IRMCK203 Datasheet, PDF (4/67 Pages) International Rectifier – Application Developer’s Guide

IRMCK203 Application Developer’s Guide
List of Figures
Figure 1. Typical Application Connections of IRMCK203 .......................................................................................... 6
Figure 2. Detailed Control Structure ............................................................................................................................. 7
Figure 3. Discrete I/O Signals ..................................................................................................................................... 10
Figure 4. Analog Interface Example ........................................................................................................................... 12
Figure 5. State Diagram and Sequencing .................................................................................................................... 13
Figure 6. Protection Circuit Block Diagram................................................................................................................ 15
Figure 7. Overview of Drive Commissioning ............................................................................................................. 17
Figure 8. Motor Information in User Entries Worksheet ............................................................................................ 18
Figure 9. Application Information in User Entries Worksheet ................................................................................... 19
Figure 10. Shunt Resistor Value in User Entries Worksheet ...................................................................................... 22
Figure 11. Drive Control Modes ................................................................................................................................. 24
Figure 12. Parking Diagnostic Function...................................................................................................................... 25
Figure 13. Enter Optimal Parking Parameters............................................................................................................. 26
Figure 14. Start-up Diagnostic Function ..................................................................................................................... 27
Figure 15. Open-loop start (KTorque = 400) .............................................................................................................. 27
Figure 16. Open-loop start-up (KTorque = 520)......................................................................................................... 28
Figure 17. Enter Optimal KTorque Parameter ............................................................................................................ 28
Figure 18. Configuring the Startup Current ................................................................................................................ 30
Figure 19. Start-up Retrial Function............................................................................................................................ 30
Figure 20. IRMCK203 Standalone System ................................................................................................................. 31
Figure 21. Space Vector Diagram ............................................................................................................................... 58
Figure 22. Transfer Characteristics ............................................................................................................................. 59
Figure 23. Voltage Vector Rescaling .......................................................................................................................... 59
Figure 24. 3-phase Space Vector PWM ...................................................................................................................... 60
Figure 25. 2-phase (6-step PWM) Space Vector PWM .............................................................................................. 60
Figure 26. Deadtime Insertion..................................................................................................................................... 61
Figure 27. Asymmetrical PWM Mode ........................................................................................................................ 62
Figure 28. Three-Phase and Two-Phase Modulation .................................................................................................. 62
Figure 29. Different Types of Space Vector PWM..................................................................................................... 63
Figure 30. Current Feedback Measurement Block...................................................................................................... 64
Figure 31. Current Feedback Calculation Timing ....................................................................................................... 66
List of Tables
Table 1. BAUD Selection Table ....................................................................................................................................... 9
Table 2. External RS-232 Signal Description ................................................................................................................... 9
Table 3. External SPI I/F Signal Description.................................................................................................................... 9
Table 4. External Host Parallel I/F Signal Description ................................................................................................... 10
Table 5. External Interface Signal Description ........................................................................................................... 11
Table 6. Analog Output Data Source Selection........................................................................................................... 12
Table 7. Sequencing Control Signals .......................................................................................................................... 13
Table 8. Drive Fault Conditions .................................................................................................................................. 14
Table 9. Overvoltage and Undervoltage Trip Levels .................................................................................................. 16
Table 10. Dynamic Braking Voltage Levels ............................................................................................................... 16
Table 11. LED Modes ................................................................................................................................................. 16
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