Mitsubishi FX3U-64CCL User Manual

5 Wiring, Start-up procedure
5.1 Power supply wiring
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FX3U-64CCL User's Manual
5.1 Power supply wiring
5.1.1 Power supply wiring
Power-on/off timing
The 64CCL 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, 64CCL, and other extension equipment (the special extension equipment is included) OFF.
For details, refer to the respective PLC manual.
→ Refer to the FX
3G Hardware Edition
→ Refer to the FX
3U Hardware Edition
→ Refer to the FX
3UC Hardware Edition
5.1.2 Grounding
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
3G Hardware Edition
→ Refer to the FX
3U Hardware Edition
→ Refer to the FX
3UC Hardware Edition
• The grounding point should be close to the 64CCL, and all grounding wires should be as short as possible.
FX 3U -64CCL
24+
24-
Stabilized
power supply
DC24V
FX 3U -64CCL
24+
24-
FX 3UC
main unit
Stabilized
power supply
DC24V
FX 2NC -CNV-IF
or
FX
3UC -1PS-5V
FX 3G /FX 3U
main unit
64CCL
Other
equipment
64CCL
Other
equipment
64CCL
Other
equipment
Independent grounding
Best condition
Shared grounding
Good condition
Shared grounding
Not allowed

Mitsubishi FX3U-64CCL Specifications

General

Brand	Mitsubishi
Model	FX3U-64CCL
Category	Controller
Language	English