GE Industrial Solutions AF-650 GP PROFINET - Manual (Page 13)

NOTE
In a line topology all drives must be powered, either by mains or by their 24V DC option cards, for the built-in switch to
work.
Please observe that mounting drive of different power-sizes in a line topology may result in unwanted power-off behavior,
while using controlword timeout (O-02 Control Word Source to O-06 Reset Control Word Timeout. It is recommended to
mount the drives with the longest discharge time first in the line topology.
Illustration 3.6 Ring/Redundant Line Topology
CAUTION
For this type of topology it is crucial that the network switch supports detection of loss of line topology. In some cases the
detection. The switch inside the PROFINET option does not support this, but it must be supported in the switch that
connects the ring to the controller/network Please consult the manual of the switch for more information.
How to Install PROFINET Operating Instruction
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