Festo VIFB-21 Serie Manual Del Usuario página 14

3 Pin assignment of the operating voltage
1
24V supply for elec
tronics and inputs
2
0 V
3
24V supply for
valves and outputs
4
0 V
5
Functional earth/
ground
Please note
Pins 2 and 4 (0V) are connected internally. Due to a
voltage drop in the mains power cable, we recommend
that both pins be connected.
14
2 5
3
4
1
Festo VIFB21−03−−... 0304b English