Festo VIFB21 Serie Manual De Instrucciones página 14

VIFB21 - 03
3
Pin assignment of the operating voltage in the
rugged-line plug
1 24 V supply for electronics and inputs
2 0 V
3 24 V 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
9909 NH