Table of contents
About this document....................................................................................................................... 1
Important notice ............................................................................................................................ 2
Safety precautions.......................................................................................................................... 3
Table of contents............................................................................................................................ 4
1The board at a glance.............................................................................................................. 6
1.1 Delivery content ......................................................................................................................................6
1.2 Block diagram..........................................................................................................................................7
1.3 Main features...........................................................................................................................................9
1.4 Board parameters and technical data..................................................................................................10
2System and functional description..........................................................................................12
2.1 Commissioning......................................................................................................................................12
2.1.1 Hardware connection ......................................................................................................................12
2.1.2 Software tools preparation..............................................................................................................13
2.1.3 Firmware preparation......................................................................................................................13
2.1.4 Parameter and script files preparation ...........................................................................................13
2.1.5 Program firmware/parameters/script.............................................................................................18
2.1.6 Open-loop diagnostic ......................................................................................................................20
2.1.7 Closed loop run ................................................................................................................................21
2.1.8 Infrared control commissioning......................................................................................................22
2.2 Description of the main board functional blocks.................................................................................23
2.2.1 EMI filter and surge protection ........................................................................................................23
2.2.2 DC bus sensing and MCEWizard configuration ...............................................................................23
2.2.3 Inverter section ................................................................................................................................24
2.2.4 Motor current sensing and overcurrent protection........................................................................25
2.2.4.1 Motor current sensing.................................................................................................................25
2.2.4.2 Motor overcurrent protection.....................................................................................................27
2.2.5 PFC section.......................................................................................................................................28
2.2.6 PFC current sensing and overcurrent protection ...........................................................................28
2.2.6.1 PFC current sensing ....................................................................................................................28
2.2.6.2 PFC overcurrent protection........................................................................................................29
2.2.7 Interface circuit of IMD112T.............................................................................................................30
2.2.8 Interface circuit to XMC daughter board.........................................................................................31
2.3 Description of the daughter board functional blocks..........................................................................32
2.3.1 Circuit of daughter board.................................................................................................................32
2.3.2 Output duty signals versus infrared control box buttons...............................................................32
2.4 Description of script code .....................................................................................................................34
3System design.......................................................................................................................39
3.1 Schematics ............................................................................................................................................39
3.2 Layout....................................................................................................................................................39
3.2.1 Main board layout ............................................................................................................................39
3.2.2 Daughter board layout.....................................................................................................................41
3.3 Bill of material .......................................................................................................................................43
3.4 Connector details ..................................................................................................................................44
3.4.1 Main board connectors ....................................................................................................................44
3.4.2 Daughter board connectors.............................................................................................................45
4System performance .............................................................................................................46