Supply Voltage
6-2 Operating Manual: PSS 3075-3 Series
• The external power supply for the programmable safety system should
be connected as shown in Fig. 6-1.
Fig. 6-1: Supplying programmable safety systems from the PSS 3075-3 series
• The external power supply for the outputs on the programmable safety
system should be connected as shown in Fig. 6-2.
Fig. 6-2: Supplying the outputs on programmable safety systems
from the PSS 3075-3 series
~
=
PSS 3075-3
L1
N
+24 V
0 V
External power supply
X7
X8/X9 PWR
Functional
earth
Connect in star to the central
earth bar
Optional:
Connect to the 0 V supply and
earth at a single point
X0
PSS
X1/X2
PWR
24 V
0 V
24 V
0 V
24 V
0 V
~
=
PSS 3075-3
L1
N
+24 V
0 V
External power supply
X7
10 A
10 A
X0
PSS
X1/X2
PWR
X8/X9 PWR
Functional
earth
Connect in star to the central
earth bar
Optional:
Connect to the 0 V supply
and earth at a single point
24 V
0 V
24 V
0 V
24 V
0 V