PROFINET Device name (English)

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According to the Profinet Specification the following rules apply to the device name:

  • It consists of one or more labels seperated by a dot.
  • The total length is 1 to 240 characters.
  • The length of a label is 1 to 63 characters.
  • Labels solely consist of lower case characters, digits and '-'.
  • Neither the first nor the last character of a label is '-'.
  • The first label does not start with "port-xyz" or "port-xyz-abcde", where a, b, c, d, e, x, y and z are digits.
  • It is not of the form "k.l.m.n", where k, l, m and n are numbers from 0 to 999.