Installation Procedure - Mitsubishi Electric FR-A7NC Instruction Manual

Plug-in option, cc-link communication function
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INSTALLATION

2.3 Installation Procedure

1)
Screw hole for
option mounting
(on earth plate)
Hex-head screw
for option mounting
CAUTION
1.
When the inverter can not recognize that the option unit is mounted due to improper installation, etc.,
"
" (option alarm) is displayed.
2.
Note that a hex-head screw for option mounting or mounting screw may drop during mounting and removal.
6
Screw hole for
option mounting
Inverter side
option
connector
3)
2)
4)
1) Remove the inverter front cover.
2) Mount the hex-head screw for option
mounting into the inverter screw hole (on
earth plate). (size 5.5mm, tightening
torque 0.56N m to 0.75N m)
3) Securely fit the connector of the plug-in
option to the inverter connector along the
guides.
4) Securely fix the both right and left sides
of the plug-in option to the inverter with
the accessory mounting screws. If the
screw holes do not line-up, the connector
may not have been plugged snugly.
Check for loose plugging.
REMARKS
After removing two screws on the right and left
places, remove the plug-in option.
(The plug-in option is easily removed if the
control circuit terminal block is removed before.)
Mounting
screws

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