Changes in this manual ........................................................................................................................... 5
1 Fundamental safety instructions ............................................................................................................ 13
1.1 General safety instructions ..................................................................................................... 13
1.2 Safety instructions for electromagnetic fields (EMF) .............................................................. 17
1.3 Handling electrostatic sensitive devices (ESD) ...................................................................... 17
1.4 Industrial security .................................................................................................................... 18
1.5 Residual risks of power drive systems .................................................................................... 19
2 Introduction ........................................................................................................................................... 21
2.1 About the Manual .................................................................................................................... 21
2.2 Guide through this manual ...................................................................................................... 22
3 Description ............................................................................................................................................ 23
3.1 SINAMICS G120D CU240D-2 Inverter ................................................................................... 23
3.2 Commissioning tools ............................................................................................................... 25
3.3 Motor series that are supported .............................................................................................. 27
4 Installation ............................................................................................................................................ 29
4.1 Mechanical Installation............................................................................................................ 29
4.2 Electrical Installation ............................................................................................................... 32
4.2.1 Permissible line supplies ........................................................................................................ 32
4.2.2 Basic EMC Rules .................................................................................................................... 33
4.2.3 Overview of the interfaces ...................................................................................................... 34
4.2.4 Feeder protection of individual inverters ................................................................................. 35
4.2.5 Feeder protection of multiple inverters ................................................................................... 37
4.2.6 24-V power supply with multiple inverters .............................................................................. 39
4.2.7 Connections and cables ......................................................................................................... 40
4.2.8 Star-delta motor connection .................................................................................................... 48
4.2.9 Connecting the motor holding brake ....................................................................................... 49
4.2.10 Factory settings of the inputs and outputs .............................................................................. 50
4.2.11 Default settings of inputs and outputs ..................................................................................... 51
4.2.12 Connecting the PROFINET interface ...................................................................................... 60
4.2.13 Grounding converter and motor .............................................................................................. 60
4.2.14 Connections and interference suppression ............................................................................ 62
4.2.15 Equipotential bonding ............................................................................................................. 62
5 Commissioning ..................................................................................................................................... 65
5.1 Commissioning guidelines ...................................................................................................... 65
5.2 Preparing for commissioning .................................................................................................. 66
5.2.1 Inverter factory setting ............................................................................................................ 66
5.2.2 Selecting the control mode ..................................................................................................... 68
Converter with control units CU240D-2
Operating Instructions, 04/2015, FW V4.7.3, A5E34262100B AB
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