
Control unit
Power unit 1
X25
X86
X25
X25
Control unit 1
Integration unit 1
Integration unit 1
X86
Integration unit 2
X86
Star coupler board
Optical fiber cable
AuxBus Cable
AuxBus cable
AuxBus cable
AuxBus cable
Optical fiber cable
Optical fiber cable
Optical fiber cable
Optical fiber cable
Power unit 1
Power unit 2
X25
Integration unit 3
- CM filter
- dU/dt filter
- CM filter
- dU/dt filter
- CM filter
- dU/dt filter
- CM filter
- dU/dt filter
X86
Power unit 3
e3
0b
j2
97
.1
1
Figure 32: AuxBus Topology for Inverter Modules
Control unit
Power unit 1
Upper part of LCL Filter 1
Lower part of LCL Filter 1
Lower part of LCL Filter 1
Upper part of LCL Filter 1
Power unit 1
Control unit
Lower part of LCL Filter 2
Upper part of LCL Filter 2
Power unit 2
X25
X86
X205
X25
X86
X205
X25
X86
X205
Star coupler board
Optical fiber cable
AuxBus cable
Sensor cable
Sensor cable
Sensor cable
Sensor cable
Lower part of LCL Filter 3
Upper part of LCL Filter 3
Power unit 3
X25
X86
X205
AuxBus cable
AuxBus cable
AuxBus cable
Optical fiber cable
e3
0b
j2
98
.1
1
Optical fiber cable
Optical fiber cable
Optical fiber cable
Figure 33: AuxBus Topology for AFE Modules and LCL Filters
6.14.2
AuxBus Cable Requirements
It is recommended to use the AuxBus cables that are provided by Danfoss. AuxBus is delivered with 3 m (10 ft) of cable. If other cables are
used, see the table
46
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Design Guide | iC7 Series Air-cooled System Modules