Basic Rules For Addressing - Festo CPI-CL Series Manual

1. System overview CPI/CP system

1.1.4 Basic rules for addressing

Festo P.BE−CPEA−CL−EN en 0711a
Addressing depends on:
CPI/CP master used
The fieldbus protocol used
The following rules apply:
Addressing is carried out in ascending order of connec
tion beginning on the CP master.
In the case of CP masters without extended functions,
each CPI/CP module occupies 16 inputs or 16 outputs,
irrespective of the design.
In the case of CPI masters with extended functions, the
following difference applies:
Modules without extended functions usually occupy
16 inputs or 16 outputs.
Depending on the type, modules with extended func
tions occupy 8 ... 32 inputs or 8 ... 32 outputs.
Note
Further information on addressing can be found in the
relevant manuals for the CP masters.
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