User`s manual
Installation and removal of module Installation
MELSEC System Q, Hardware 9 – 17
9.5 Installation and removal of module
Installation
● Shut off the external power supply!
● Securely insert the module fixing projection into the module fixing hole so that the latch is
not misaligned.
● Using the module fixing hole as a supporting point, push the module in the direction of arrow
until it clicks.
● When using the programmable controller in an environment of frequent vibration or impact,
secure the CPU module to the base unit using screws (module fixing screw M3x12, user-
prepared).
E
CAUTION:
● Shut off the external power supply for the system in all phases before mounting or
removing the module.
● Always insert the module fixing latch of the module into the module fixing hole.
Forcing the hook into the hole will damage the module connector and module.
QH0007C
Fig. 9-16: Module mounting procedure
Module
Module
connector
Module fixing hole
Base unit
Module fixing
projection
Base unit
Module fixing
projection
Module mounting lever