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3. LOADING AND INSTALLATION
3.1 Handling Instructions
(1) Do not drop the case and connectors of the module and subject them to
hard impact.
(2) Do not remove the printed circuit boards of the module from the case. Doing
so can cause a failure.
(3) Be careful to prevent wire-offcuts and other foreign matter from entering the
module. They can cause a fire, failure or malfunction.
(4) To prevent wire-offcuts and other foreign matter from entering the module
during wiring, the module carries a foreign matter ingress prevention label
at its top. During wiring, do not remove this label. For system operation,
always remove this label to ensure adequate heat dissipation.
(5) Tighten the mounting and terminal screws of the module within the following
ranges.
Screw Location
Tightening Torque Range
Module mounting screw (M3 screw)
36 to 48 N · cm
Terminal block terminal screw (M3 screw)
42 to 58 N · cm
Terminal block mounting screw (M3.5 screw)
66 to 89 N · cm
(6) To mount the module on the base, securely insert the module fastening
latch into the fastening hole on the base. Improper installation may result in
a module malfunction, or may cause the module to fall off.
3.2 Installation Environment
Refer to the user's manual of the CPU module used.