7.12.2 Changing the EMC Protection Level, AR12L 78
7.12.3 Changing the EMC Protection Level, LC Filter, OF7Z1, 380 A 79
7.12.4 Changing the EMC Protection Level, LC Filter, OF7Z1, 760 A 80
7.13 Filters 81
7.13.1 dU/dt Filter 81
7.13.2 Common-mode Filter 83
7.13.3 LC Filter 85
7.13.4 DC Filter 85
7.14 AuxBus Communication 85
7.14.1 Usage of AuxBus 85
7.14.2 AuxBus Cable Requirements 87
7.14.3 AuxBus Grounding Principles 88
7.15 The Pre-charging Unit 88
7.16 Derating 90
7.16.1 Derating of Switching Frequency, INU 90
7.16.2 Derating of Coolant Temperature 90
7.16.3 Derating of Voltage Imbalance, AFE/GC 90
7.16.4 Derating of DC-bus Voltage 91
7.17 Modulator Types 91
8 Control Unit
8.1 Modular Control Unit 93
8.2 Control Board 94
8.3 Definitions of the Indicator Lights on the Control Board 95
8.4 Control Board Connections 96
8.5 Star Coupler Board 97
8.6 Definitions of the Indicator Lights on the Star Coupler Board 100
8.7 Star Coupler Board Connections 100
8.8 I/O and Relay Option Connections 101
8.9 I/O and Relay Option Interface 104
8.9.1 Analog Inputs 104
8.9.2 Analog Outputs 104
8.9.3 Digital Inputs 105
8.9.4 Digital Outputs 105
8.9.5 Relay Outputs 106
6 | Danfoss Drives Oy © 2024.03 AJ475942178716en-000101 / 172K2848A
Design Guide | iC7 Series Liquid-cooled System Modules
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