7
FX
3U
-64CCL User's Manual
Standards
Caution to conform with EC Directives
• Installation in Enclosure
Programmable logic controllers are open-type devices that must be installed and used within conductive
control cabinets. Please use the programmable logic controller while installed within a conductive shielded
control cabinet. Please secure the cabinet door to the control cabinet (for conduction).
Installation within a control cabinet greatly affects the safety of the system and aids in shielding noise from the
programmable logic controller.
• Control cabinet
- The control cabinet must be conductive.
- Ground the control cabinet with the thickest possible grounding cable.
- To ensure that there is electric contact between the control cabinet and its door, connect the cabinet and
its doors with thick wires.
- In order to suppress the leakage of radio waves, the control cabinet structure must have minimal
openings. Also, wrap the cable holes with a shielding cover or other shielding devices.
- The gap between the control cabinet and its door must be as small as possible by attaching EMI gaskets
between them.
*1.
These wires are used to improve the conductivity between the door and control cabinet.
• Configuration example inside control cabinet
• Wiring simplified diagram
Shielding cover
Shielded cable
Wires*1
EMI gasket
Main unit
FX
3U
-64CCL
24V DC power
supply
Power
cable
Ground
cable
Ground
cable
Cable clamp
Conductive control cabinet
CC-Link dedicated cable
24+ 24-
DA DB
SLD
DG
L N
(AD75CK,
MITSUBISHI)
(Blue)
(White)
(Yellow)
(Blue)
(White)
(Yellow)
(Blue)
(White)
(Yellow)
(Blue)
(White)
(Yellow)
DA
DB
DG
SLD
FG
DA
DB
DG
SLD
DA
DB
DG
SLD
FG
Master
unit
FX
3U
-64CCL
CC-Link
Dedicated
Cable
CC-Link
Dedicated
Cable
Other
station
Termi-
nating
resistor
Termi-
nating
resistor
Summary of Contents for FX3U-64CCL
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Page 11: ...5 FX3U 64CCL User s Manual Table of Contents Warranty 69 Revised History 70 ...
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