Справочник Пользователя для Mitsubishi Electronics FX3U-CF-ADP

5 Wiring

FX

3U

-CF-ADP User's Manual

*1.

The expansion board is required when connecting with the FX

3UC

-32MT-LT PLC.

The CF-ADP power supply should be turned ON simultaneously with or before the power supply of the PLC 
main unit. Before turning the power OFF, ensure the safety of the system and then simultaneously turn the 
main unit, CF-ADP, and other extension equipment (the special extension equipment is included) OFF.
For details, refer to the respective PLC manual.

→ Refer to the FX

→ Refer to the FX

Ground the cables as follows

• The grounding resistance should be 100  or less.

• Independent grounding should be established whenever possible.

Independent grounding should be performed for best results.
When independent grounding is not configured, perform "shared grounding" as shown in the following 
figure.
For details, refer to the respective PLC manual.

→ Refer to the FX

→ Refer to the FX

• The grounding point should be close to the CF-ADP, and all grounding wires should be as short as 

possible.

Grounding

FX

3U 

PLC

[Main unit]

CF-ADP

24+

24-

Grounding

Stabilized

power supply

24V DC

Power connector

Green

Red

Black

Expansion 

board

FX

3UC

 PLC

[Main unit]

Grounding

CF-ADP

24+

24-

Grounding

Stabilized

power supply

24V DC

Power connector

Green

Red

Black

Expansion 

board

*1

CF-ADP

Other

equipment

Shared grounding

Good condition

Common grounding

Not allowed

Independent grounding

Best condition

CF-ADP

Other

equipment

CF-ADP

Other

equipment