Festo CPVSC−DP 0610NH English
17
2.2 Ex
ampl
e
o
f
conn
e
c
t
ion
w
i
th e
l
e
c
tr
ical
i
s
ola
t
ion
o
f
op
er
a
t
ing
vol
t
ag
e
and
load
vol
t
ag
e
1
Power unit
f
or load
voltage
(
valves and
outputs
)
2
Device
f
or isolation
monitoring
3
Load voltage can
be switched o
ff
separately and
external
f
uses
4
Power unit
f
or
operating voltage
(
electronics and
sensors
)
1
2
3
4
2
P
l
e
a
se
no
te
I
f
the device is extended with CP valve terminals or out
put modules
w
i
th
o
ut
additional supply, the electrical
isolation will not be e
ff
ective
.
In this case insert a
bridge between pins
3
and 4 o
f
the power supply
(
see
1
).
This will prevent compensating currents
.