Festo CP-E08-M8-CL - Basic Rules for Addressing

1. System overview CPI/CP system
1−13
Festo P.BE−CPEA−CL−E N en 0711a
1.1.4 Basic rules for addressing
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.