Festo Контроллер позиционирования CPX-CMAX - Manual (Page 413)

C. Configuration with CPX node
C−15
Festo P.BE−CPX−CMA X−CONTROL−EN en 0908NH
Note
ć There can be other CPX modules which other modules of
the PLC access. These could modify the command box.
ć There can be other PROFIBUS masters (class 2 masters)
that access the CPX data at the same time as the PLC,
modifying the command box without the PLC knowing of
this, for example.
The programmer(s) of the overall application must apply apĆ
propriate measures to ensure they always access the correct
data.