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Operation
6.9 Communication via PROFINET IO
Note
The order of the drive objects
The sequence of drive objects in HW Config must be the same as that in the drive (p0978).
Drive objects after the first zero in p0978 must not be configured in the HW Config.
The structure of the telegram depends on the drive objects taken into account during
configuration. Configurations are permitted that do not take into account all of the drive
objects that are present in the drive system.
Example:
The following configurations, for example, are possible:
● Configuration with VECTOR, VECTOR, VECTOR
● Configuration with A_INF, VECTOR, VECTOR, VECTOR, TMB31
● and additional etc.
6.9.2.7
Communication channels
PROFINET connection channels
● A Control Unit has an integrated Ethernet interface (X127).
● The Control Unit CU320-2 PN has a PROFINET interface (X150) with two ports onboard:
P1 and P2.
● A Control Unit CU320-2 PN can establish a total of 8 acyclic connections simultaneously
via the integrated PROFINET interfaces.
Note
Using interface X127 LAN (Ethernet)
Ethernet interface X127 is intended for commissioning and diagnostics, which means that it
must always be accessible (e.g. for service).
Further, the following restrictions apply to X127:
• Only local access is permissible.
• Either no networking or only local networking in a closed and locked electrical cabinet is
permissible
If it is necessary to remotely access the electrical cabinet, then additional security measures
must be applied so that misuse through sabotage, data manipulation by unqualified persons
and intercepting confidential data is completely ruled out.
374
Operating Instructions, 12/2018, A5E36652151A
Enclosed Drives
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