Mitsubishi Electronics MELSEC-F Manuel D’Utilisation
B-15
3 Wiring
3.3 Examples of Power Supply Circuit
A
Comm
on I
te
te
ms
B
FX
3U
-4AD
FX
3UC
-4
A
D
C
FX
3U
-4A
D
D
-A
D
P
D
FX
3G
-2A
D
D
-BD
E
FX
3U
-4DA
F
FX
3U
-4D
A
A
-AD
P
P
G
FX
3G
-1D
A
A
-BD
H
FX
3U
-3
A-
ADP
I
FX
3U
-4
A
D
-P
T
-
A
D
P
J
FX
3U
-4A
D
D
-P
TW
-
A
A
D
P
FX
3G
/FX
3U
/FX
3UC
PLC User's Manual - Analog Control Edition
FX
3U
-4AD/FX
3UC
-4AD (4-channel Analog Input)
3.3.2
FX
3UC
-4AD
*1.
The FX
3UC
-
MT/D and FX
3UC
-32MT-LT(-2) are supplied together with power cable.
*2.
The FX
2NC
-
EX-DS and FX
2NC
-16EX-T-DS do not have a power connector, and receive power
from the input connector.
3.3.3
Cautions regarding connection of power cables
• Ground the "
" terminal and "
" terminal to the Class - D grounding line (100
Ω or less) together
with the ground terminal of the main unit.
• To perform crossover wiring to connect the power line from FX
3UC
-4AD to a succeeding extension block,
remove the resin cover from the power crossover connector using nippers.
• For the timing of power-on/off when using an external power supply, see the following manual of the
connected PLC.
→ Refer to the FX
3G
Series User’s Manual - Hardware Edition.
→ Refer to the FX
3U
Series User’s Manual - Hardware Edition.
→ Refer to the FX
3UC
Series User’s Manual - Hardware Edition.
24V DC
Class-D
grounding
Green
Red
Black
FX
3UC
Series PLC
(Main unit)
Power connector
24+
24-
FX
2NC
-10BPCB1
Power crossover cable
FX
2NC
-100BPCB
Power cable
*1
FX
2NC
Series PLC
(Input extension block
*2
)
Red
Black
24+
24-
24+
24-
Power
crossover
connector
connector
Power
connector
Terminal block
Power
connector
connector
+15V
24+
24-
24+
24-
-15V
FX
3UC
-4AD
Power
crossover
connector
crossover
connector
+15V
24+
24-
24+
24-
-15V
FX
3UC
-4AD
Black
Red
Black
Red
Black
Red
Black
Red
Power
connector
connector
FX
2NC
-10BPCB1
Power crossover cable
Terminal block
Power
crossover
connector
connector