Mitsubishi FX2NC DSS Series Hardware Manual page 83

FX2NC Series Programmable Controllers
Figure 4.2 : EX.wiring
EX.FX -16M
2NC
DC/DC
5V DC 24V DC
EX.FX -16EX
2NC
EX.FX -16EYT
2NC
*1
*1
MC
MC
PL
MC MC
Power supply 24V DC +20% -15%
Ripple voltage (p-p) 5% or less
Circuit protector or Fuse
Emergency stop
Power supply switch
Power ON pilot indicator
Power supply for loads
Grounding resistor 100Ω or less (class D)
Fuse
Main unit
Extension blocks
*1 It is recommended to use the same power
source to power the main unit, input extension
blocks and special function blocks. If two
s o u r c e s a r e r e q u i r e d , fo l l o w t h e b e l o w
guidelines:
- Supply power to the input extension blocks
and special function blocks before or at the
same time the main unit is powered.
- The power supplies may be cut the same time
after ensuring system safety.
Power supply 4.
4-3