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2.11
Connection of the earthing (grounding) cable
(Ethernet model)
To use a safety communication option, the enclosed earthing (grounding) cable needs to be installed. Install the cable
according to the following procedure. (For how to install the safety communication option, refer to the Instruction Manual of the
safety communication option.)
No.
1
Insert spacers into the mounting holes that will not be tightened with the option mounting screws.
Fit the connector of the safety communication option to the guide of the connector of the inverter, and insert the option as far as it goes.
2
(Insert it to the inverter option connector 1.)
Remove the mounting screw (lower) of the Ethernet board earth plate. Fit the one terminal of the earthing (grounding) cable on the
3
Ethernet board earth plate and fix it securely to the inverter with the mounting screw (tightening torque 0.33 to 0.40 N·m).
Fix the left part of the safety communication option securely with the option mounting screw, and place another terminal of the earthing
4
(grounding) cable on the right part of the option and fix the cable terminal and the option with the option mounting screw (tightening
torque: 0.33 to 0.40 N·m). If the screw holes do not line up, the connector may not be inserted deep enough. Check the connector.
Spacer
Ethernet board
earth plate
Example of FR-A8NCG-S
NOTE
• The number and shape of the spacers used differ depending on the communication option type. Refer to the Instruction Manual
of each communication option for details.
• The earth plate enclosed with a safety communication option is not used.
78
2. INSTALLATION AND WIRING
2.11 Connection of the earthing (grounding) cable (Ethernet model)
Description
Option connector 1
Spacer
Earth cable
Ethernet board
earth plate
Mounting screw
Mounting screw
Spacer
Spacer
Mounting screw
Earth cable
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