NAiS FP Series Hardware Manual page 35

Control Units
For NPN open collector type, able to be used with different
voltages for the load voltage and the external power supply for
driving the internal circuit.
Internal
circuit
2-14
External power supply for
driving internal circuit
(+)
(21.6V to 26.4V DC)
Rated load voltage
Yn
(5V to 24V DC)
Load
Ground for load voltage and for
(–)
external power supply for driving
internal circuit
Matsushita Electric Works (Europe) AG
FP0 Hardware