Installing The Expansion Option Box - Mitsubishi Electric MELFA Hardware Manual

3Installing the option devices

3.2 Installing the expansion option box

The procedures for installing the expansion option box are indicated below.
Groove
（Two positions）
3-16 Installing the expansion option box
Installation screw
（Four positions）
Side plate
Upper cover
Installation screw
（Four positions）
Expansion option
box
Connector
Installation screw
（Four positions）
Positioning latches
（Two positions）
1) Loosen the four screws from the side of
the controller, and remove the side
plate.
2) Remove the four screws from the
expansion option box and remove the
upper cover.
3) Connect the connectors from the side
of the controller with the connectors
from the expansion option box.
At this time, insert and position the
positioning latches on the expansion
option box into the groove on the side
of the controller.
4) Securely fix both pieces with the
screws removed in step 1).