• To use a communication option, the enclosed earthing (grounding) cable needs to be installed. Install the cable according to the following procedure.

No.

Insert spacers into the mounting holes that will not be tightened with the option mounting screws.

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.)

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).

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.

Spacer

Ethernet board

earth plate

Example of FR-A8NC

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.

INVERTER INSTALLATION AND PRECAUTIONS

Screw size (mm)

Quantity

M3 × 35

M4 × 40

Eyebolt size

Quantity

M12

Installation procedure

Option connector 1