Mitsubishi MELSEC-F FX3U Series - Example of Power Supply Circuit; Cautions Regarding Connection of Power Cables

B-13
3 Wiring
3.2 Power Supply Line
A
Common Items
B
FX
3UC
-4AD
C
FX
3U
-4AD-ADP
D
FX
3U
-4DA-ADP
E
FX
3U
-4AD-PT
-ADP
F
FX
3U
-4AD-TC
-ADP
G
PID Instruction (FNC 88)
FX 3U /FX 3UC Series PLC User's Manual - Analog Control Edition
FX3UC-4AD (4-channel Analog Input)
3.2.2 Example of power supply circuit
3.2.3 Cautions regarding connection of power cables
• Ground the " " terminal to the class-D grounding line (100Ω or less) together with the ground terminal
of the main unit.
• To perform crossover wiring to connect the power line from 4AD to a succeeding extension block, remove
the resin cover from the power crossover connector using nippers.
24V DC
Class-D
grounding
GreenRedBlack
FX 3UC Series PLC
(Main unit)
Power connector
24+24-
FX
2NC -10BPCB1
Power crossover cable
FX
2NC -100BPCB
Power cable
FX
2NC Series PLC
(Input extension block)
Red
Black
24+24- 24+24-
Power
crossover
connector
Power
connector
Terminal block
Power
connector
+15V
24+24- 24+24-
-15V
FX 3UC -4AD
Power
crossover
connector
+15V
24+24- 24+24-
-15V
FX 3UC -4AD
Power
connector
Black Red Black Red
Black Red
Black
Red
Power
connector
FX 2NC -10BPCB1
Power crossover cable
Terminal block