Mitsubishi Electric MELSERVO-J4 MR-J4 TM Instruction Manual page 48

1. FUNCTIONS AND CONFIGURATION
(1) Installation of network module
Press it against the
board and insert.
Check that the network module
tab can be confirmed through
the confirmation hole.
Confirmation
hole
Network module
tab
Fixing screw
(Torx screw)
The network module tab hits the
board end face, and the module
is incompletely inserted.
The network
module tab
cannot be
confirmed
through the
confirmation
hole.
Check that the network module
tab can be confirmed through
the confirmation hole in the
same manner as the upper hole.
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1) Remove the slot cover with a flat-blade screwdriver, etc.
Make sure to store the removed cover.
2) Press the network module against the board on the right
side so as to align with the guide in the servo amplifier, and
insert it along the board.
Forcibly inserting it all the way in obliquely without aligning
with the guide may break the board and the network
module.
3) Check if the network module tabs can be confirmed
through the confirmation hole on the side of the servo
amplifier as shown in the diagram.
If the tabs cannot be confirmed, insert the network module
while pressing it since the tabs hit the board end face, and
the module is incompletely inserted.
4) Tighten the fixing screws using a #8 Torx screwdriver.
Tightening torque is 0.25 N•m.