Mitsubishi Electric Melsec-F FX2NC Series - Page 74

FX2NC Series Programmable Controllers Power supply 4.
4-4
Figure 4.2 : EX.wiring
DC/DC
EX.FX
2NC
-16M
24V DC5V DC
EX.FX
2NC
-16EX
EX.FX
2NC
-16EX
o
MC
PL
MC
MC MC
n
p
q
r
s
t
s
u
v
w
w
11
EX.FX
2NC
-16EYT
*1
*1
*1 It is recommended to use the same power
source to power the main unit, input extension
blocks and special function blocks. If two sources
are required, follow the below 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.
n
Power supply 24V DC +20% -15%
Ripple voltage (p-p) 5% or less
o
Circuit protector or Fuse
p
Emergency stop
q
Power supply switch
r
Power ON pilot indicator
s
Power supply for loads
t
Grounding resistor 100
Ω
or less (class D)
u
Fuse
v
Main unit
w
Input extension blocks
Output extension block
11