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3. MOUNTING AND WIRING
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3.3 Mounting and Removing Modules
This section describes how to mount CPU modules, I/O modules, and special-
function modules in a base unit, and how to remove them.
(1) Mounting modules
Follow the procedure below to mount a module in the base unit.
Base unit
Module
Module lug
s
Module fixing holes
Insert the two lugs on the rear panel of
the module into the module fixing
holes in the base unit.
Push the module in the direction of the
arrow to mount it in the base unit.
Ensure that the module is fully inserted
in the base unit and fasten the module
in position with the fastening screws.
End
Module
connector
Base unit
Module fixing screw
Module
CAUTION
The lugs must be inserted in the module fixing holes when the module fixing screws are inserted.
Forcibly fixing a module in place without inserting the lugs in the holes will bend the module
connector pins and cause other damage.
Turn off the power supply before mounting or removing a module.