Eaton PowerXL DA1 - Page 6

2 DA1 Variable Frequency Drives 11/16 MN04020005Z-EN www.eaton.com
2.2.4 Total Harmonic Distortion (THD).................................................. 41
2.2.5 Idle power compensation devices ............................................... 41
2.3 Safety and switching.................................................................... 42
2.3.1 Disconnecting device................................................................... 42
2.3.2 Fuses ........................................................................................... 42
2.3.3 Cable cross-sections.................................................................... 43
2.3.4 Residual current circuit-breaker ................................................... 44
2.3.5 Mains contactors ......................................................................... 45
2.3.6 Using a bypass connection .......................................................... 46
2.4 Mains chokes............................................................................... 47
2.5 Radio interference suppression filter........................................... 48
2.6 Braking resistances...................................................................... 49
2.7 Motor chokes............................................................................... 52
2.8 Sine filter...................................................................................... 53
2.9 Three-phase motor....................................................................... 54
2.9.1 Motor selection............................................................................ 54
2.9.2 Circuit types with three-phase motors......................................... 55
2.9.3 Connecting Motors in Parallel...................................................... 56
2.9.4 Single-phase AC motors .............................................................. 58
2.9.5 Connecting EX motors................................................................. 58
2.9.6 Synchronous, reluctance, and PM motors................................... 58
2.10 STO function................................................................................ 59
2.10.1 Overview...................................................................................... 59
2.10.2 TÜV certification........................................................................... 60
2.10.3 Safety relay specification ............................................................. 60
2.10.4 STO-compatible installation ......................................................... 61
2.10.5 STO function pick-up time ........................................................... 63
2.10.6 STO function parameters............................................................. 64
2.10.7 Fault messages............................................................................ 67
2.10.8 STO function checklist................................................................. 67
2.10.9 Regular maintenance ................................................................... 68
2.10.10 “Safe stop” function.................................................................... 68
3 Installation.................................................................................. 71
3.1 Introduction.................................................................................. 71
3.2 Mounting position........................................................................ 71
3.3 Mounting ..................................................................................... 72
3.3.1 Mounting position........................................................................ 73
3.3.2 Cooling measures ........................................................................ 73
3.3.3 Fixing ........................................................................................... 77
3.3.4 Control panel installation.............................................................. 80
3.4 IP66/NEMA4X degree of protection ............................................ 81
3.5 EMC installation........................................................................... 83
3.5.1 EMC compliance in the control panel .......................................... 83
3.5.2 Earthing........................................................................................ 85
3.5.3 Internal filters (EMC and VAR screws)......................................... 86