Installing a communication option
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2.10
Installing a communication option
• To use a communication option, the enclosed earthing (grounding) cable needs to be installed. Install the cable according
to the following procedure.
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 communication option is not used.
No.
Installation procedure
1
Insert spacers into the mounting holes that will not be tightened with the option mounting screws.
2
Fit the connector of the communication option to the guide of the connector of the inverter, and insert the option as far as it goes.
(Insert it to the inverter option connector 1.)
3
Remove the mounting screw (lower) of the Ethernet board earth plate. Fit the one terminal of the earthing (grounding) cable on the
Ethernet board earth plate and fix it securely to the inverter with the mounting screw (tightening torque 0.33 N·m to 0.40 N·m).
4
Fix the left part of the communication option securely with the option mounting screw, and place another terminal of the earthing
(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 N·m to 0.40 N·m).
If the screws are not tightened properly, the connector may not be inserted deep enough. Check the connector.
Ethernet board
earth plate
Ethernet board
earth plate
Spacer
Spacer
Option connector 1
Example of FR-A8NC
Spacer
Spacer
Mounting screw
Mounting screw
Mounting screw
Earth cable
Earth cable
