Mitsubishi FX2NC DSS Series Hardware Manual page 85

FX2NC Series Programmable Controllers
If the power has to be supplied from two power sources due to low capacity of the DC power
supply unit, etc., be sure to connect the minus lines of the two power supply units.
Figure 4.4: Connection of minus lines
M ain U nit
24V D C +20%
-15%
C om m unication cable
E xtension
blocks
F X -C N V -IF
2N C
5% ripple (p-p) or less
D ata access
unit
Power supply 4.
4-5