Festo CPV GE-ASI-8E6A-Z Series Brief Description page 19

Address selector button
If the same address is assigned to both slaves, no clear
access to the slaves is possible.
In this case slave 1 can be disconnected from the AS−Inter
face bus with the aid the address selector button. You can
unlock the pushbutton by pressing it. Slave 1 will then be
disconnected from the AS−Interface bus. If the AS−Inter
face bus voltage is applied, the address selector LED will
light up to indicate that slave 1 has been disconnected
from the AS−Interface.
Please note
The red address selector LED must not light up when
the valve terminal is operated.
If the adress selector button has been unlocked:
Before connecting the valve terminal to the AS−Inter
face bus, therefore always lock the address selector
button by pressing it again.
3.3 Address assignment of the valves
During addressing, valve terminal CPV..−GE−ASI−8E6A−...
behaves like two individual slaves each with 4 inputs and
3 outputs (see sections 3.1 and 2).
The following fittings are possible for the two valve
terminal halves:
Festo CPV..−GE−ASI−8E6A−Z 0305NH English 19