Mitsubishi A2USCPU(S1), User Manual

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8. LOADING AND INSTALLATION
8.5 Installation and Removal of the Base Units
How to install and remove the power supply module, CPU module, I/O module and special
function module, etc. to/from the base unit are explained.
CAUTION
Insert the module fixing projection into the fixing hole in the base unit and then tighten
the module fixing screw within the specified torque.
When no screw is tightened, even if the module is installed correctly, it may cause
malfunctions, a failure or a drop of the module.
If too tight, it may damage the screw and/or the module, resulting in a drop of the
module, a short circuit or malfunctions.
Be sure to shut off all phases of the external power supply used by the system before
mounting or removing the module.
Filure to do so may damage the module.
Do not directly touch the conductive part or electronic components of the module.
Doing so may cause malfunctions or a failure of the module.