Cause : Topology: Actual topology, duplicate connection between two components. When detecting the actual topology, a ring-type connection was detected.

Fault value (r0949, interpret hexadecimal):
ccbbaaaa hex:
cc = connection number
bb = component class
aaaa = preliminary component number of a component included in the ring

Component class:
1: Control Unit.
2: Motor Module.
3: Line Module.
4: Sensor Module (SM).
5: Voltage Sensing Module (VSM).
6: Terminal Module (TM).
7: DRIVE-CLiQ Hub Module.
8: Controller Extension 32 (CX32, NX10, NX15).
9: Filter Module
49: DRIVE-CLiQ components (non-listed components).
50: Option Slot (e.g. Terminal Board 30).
60: Encoder (e.g. EnDat).
70: Motor with DRIVE-CLiQ.

Component type: Precise designation within a component class (e.g. "SMC20").

Connection number: Consecutive numbers, starting from zero, of the appropriate connection or slot (e.g. DRIVE-CLiQ connection X100 on the Control Unit has the connection number 0).

Remedy: Output the fault value and remove the specified connection.

Note: Under "Topology --> Topology view" the commissioning software offers improved diagnostics capability (e.g. set- point/actual value comparison).