REXROTH IndraDrive, Project Planning Manual

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6 Project Planning of Control Voltage (24V Supply)....................................................... 67
6.1 General Information.............................................................................................................................. 67
6.2 Selecting the 24V Supply...................................................................................................................... 67
6.2.1 General Information........................................................................................................................... 67
6.2.2 Electrical Requirements..................................................................................................................... 68
6.3 Installing the 24V Supply...................................................................................................................... 70
6.4 Looping Through the Control Voltage Supply....................................................................................... 71
7 Project Planning of Mains Connection ........................................................................ 73
7.1 General Information.............................................................................................................................. 73
7.2 Mains Voltage Supply .......................................................................................................................... 73
7.3 Mains Types......................................................................................................................................... 76
7.3.1 TN-S Mains Type............................................................................................................................... 76
7.3.2 TN-C Mains Type.............................................................................................................................. 76
7.3.3 IT Mains Type.................................................................................................................................... 77
7.3.4 TT System......................................................................................................................................... 78
7.3.5 Mains Grounded via Outer Conductor (Corner-Grounded Delta Mains)........................................... 79
7.4 Mains Short-Circuit Power and Mains Connected Load ...................................................................... 79
7.4.1 General Information........................................................................................................................... 79
7.4.2 Mains Short-Circuit Power................................................................................................................. 80
7.4.3 Mains Connected Load...................................................................................................................... 81
7.5 Protection Systems at the Mains Connection....................................................................................... 84
7.5.1 General Information........................................................................................................................... 84
7.5.2 Protective Grounding......................................................................................................................... 85
General Information........................................................................................................................ 85
Fusing by Protective Grounding in TN-S Mains............................................................................. 86
Fusing by Protective Grounding in TN-C Mains............................................................................. 87
Fusing by Protective Grounding in IT Mains (Ungrounded Mains)................................................. 88
7.5.3 Connection for the Equipment Grounding Conductor........................................................................ 89
General Information........................................................................................................................ 89
Equipment Grounding Connection Between the Components....................................................... 89
Connecting Equipment Grounding Conductor to Mains................................................................. 89
7.5.4 Residual-Current-Operated Circuit Breakers (RCD, RCCB) as Additional Fusing............................ 89
General Information........................................................................................................................ 89
Cause of Leakage Currents............................................................................................................ 90
Possibilities of Use......................................................................................................................... 90
Using Residual-Current-Operated Circuit Breakers at HCS Drive Controllers............................... 91
Using Residual-Current-Operated Circuit Breakers at HMV Supply Units..................................... 92
7.5.5 Insulation Monitoring Devices............................................................................................................ 92
8 Configuring the Drive System...................................................................................... 93
8.1 General Information.............................................................................................................................. 93
8.2 Type of Supply for Power Sections....................................................................................................... 93
8.2.1 General Information........................................................................................................................... 93
8.2.2 HMV Supply Units for HMS/HMD Power Sections............................................................................ 96
DOK-INDRV*-SYSTEM*****-PR06-EN-P
Rexroth IndraDrive Drive Systems with HMV01/02 HMS01/02, HMD01, HCS02/03 Bosch Rexroth AG III/309
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