Installation And Removal Of Modules - Mitsubishi Electric MELSEC-Q Series User Manual

4.1.4

Installation and removal of modules

This section explains how to install and remove a power supply, CPU,
I/O, special function and other modules to and from the base unit.
(1) Installation and removal of QCPU-A
(a) Installation of QCPU-A
Insert the module fixing
hook into the module
fixing hole of the base
unit.
Push the module in the
direction of arrow to
load it into the base unit.
Make sure that the
module is inserted in
the base unit securely.
Completion
POINT
(1) Insert the module fixing hook into the module fixing hole, making sure that
the module is mounted vertically against the base unit. Failure to insert the
hook or pressing the module to the base unit at an incorrect angle will
damage the module and connector.
(2) When using the programmable controller in a place where there is large
vibration or impact, screw the CPU module to the base unit.
QCPU-A module fixing screw: M3×12(user-prepared)
Base unit
Module
connector
Module fixing hook
Module fixing
hole
Module
Module
fixing hook
Module fixing
hole
35
Base unit