66-71 Doc PS Rev Rb
Environmental requirements 4.11.1 Physical security (1) The Controller will be located within a lockable electrical panel, see § 3.1-(6)
4.11.2 Software security (1) The software within
a particular Controller willhave the facility to be password protected, this is a function of the Controller and the TIA Portal programming environment) The released, validated modules
within the software library willnot be password protected in anyway, the purpose of the software is that it is a reusable library and will be deployed on new projects as they arise,
the software thus, needs to be accessible.
(3) The storage of the released (validated) version of the software library in its entirety
willbe protected on the company servers,
the software willbe downloadable at the current released version (along with its documentation, this
willbe a read-only process. The software library
willbe under change control management (CCM)
and only authorised personnel willbe able to modify the software.
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