Siemens SINUMERIK 840D sl Commissioning Manual page 83

Note
Topology-based device initialization
If a topology was defined in HW Config of the S7 project for the complete PROFINET IO
system, then it is no longer necessary to assign the device name ("initialization") by STEP 7. As
a result of the defined topology, the PLC-CPU automatically identifies and "initializes" the
devices, the so-called topology-based device initialization.
Displaying the device name in SINUMERIK Operate
The assigned name is output in the "PROFINET diagnostics" window as device name in
SINUMERIK Operate.
PROFINET naming conventions
Device names are assigned to the PROFINET IO devices during the commissioning phase.
In order to communicate with PROFINET devices, they must be initialized (assigned a name).
This name is the device name within the hardware configuration. This name must comply with
the PROFINET naming conventions. The rules of the naming conventions are checked by the
hardware configuration and, if required, corrected. Invalid characters are replaced by "X". The
following supplementary conditions must be maintained:
● Maximum length of 127 characters (letters "a" to "z", numbers "0" to "9", hyphen or period).
● A name component within the device name, e.g. a string between two periods, must not
exceed 63 characters.
● No special characters such as umlauts, parentheses, underscores, slashes, blanks, etc. are
permitted.
● The hyphen is the only special character permitted.
● Upper-case letters must not be used in device names.
● The device name must not begin or end with the "-" or "." character.
● The device name must not begin with numbers.
● The device name must not take the form n.n.n.n (n = 0...999).
● The device name must not start with the character string "port-xyz-" (x,y,z = 0...9).
Specifying device names for SINAMICS CU
Alternative procedure:
To permit the SINAMICS CU to be recognized by the SINUMERIK NCU and the communication
via X150 to be established, a device name must be assigned in the PLC configuring of the
SINAMICS Control Unit.
1. Establish an online connection to the target system via X150 with the PG/PC.
2. Select the SINAMICS Control Unit in HW Config.
3. Select the "Target system" → "Ethernet >" → "Assign device name" menu.
CNC Commissioning: NC, PLC, Drive
Commissioning Manual, 12/2019, A5E48312804B AA
5.3 Extending the SIMATIC S7 project (PROFINET)
PLC commissioning
83