Festo CPV GE-ASI-8E8A-Z-M8-CE Serie Mode D'emploi page 19

Address selector button
If by mistake, the same address is assigned to both slaves,
unique access to the slaves is no longer possible.
In this case you can use the address selector button to
decouple slave 1 from the AS−Interface bus. Press on the
button to unlock it and decouple slave 1. After this is
done, only slave 2 is visible, and the address of slave 2 can
be changed. If the AS−Interface bus voltage is connected,
this status will be indicated by the address selector LED
which will light up.
Note
The red address selector LED must not light up when
the valve terminal is operating.
If the address selector button has been unlocked:
Lock the address selector button by pressing it again
before the valve terminal is connected to the AS−Inter
face bus.
3.3 Address assignment of the valves
When addressed, the valve terminal type
CPV...−GE−ASI−8E8A−Z−M8−CE behaves like two individual
slaves each with 4 inputs and 4 outputs (see section 3.1).
Both valve terminal halves can be fitted with equipment as
follows:
Festo CPV...−GE−ASI−8E8A−...−CE 0703NH English 19