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[Installation Precautions]
!
CAUTION
• Use the programmable controller in the operating environment that meets the general
specifications given in the CPU module used. Using this programmable controller in an
environment outside the range of the general specifications could result in electric shock, fire,
erroneous operation, and damage to or deterioration of the product.
• While pressing the installation lever located at the bottom of module, insert the module fixing tab
into the fixing hole in the base unit until it stops. Then, securely mount the module with the fixing
hole as a supporting point.
Incorrect loading of the module can cause a malfunction, failure or drop.
When using the programmable controller in the environment of much vibration, tighten the
module with a screw.
Tighten the screw in the specified torque range.
Undertightening can cause a drop, short circuit or malfunction.
Overtightening can cause a drop, short circuit or malfunction due to damage to the screw or
module.
• Completely turn off the externally supplied power used in the system before mounting or
removing the module. Not doing so could result in damage to the product.
For remote I/O stations of function version D or later, online module change can be performed.
However, the modules which can be replaced online are limited, and replacement procedures
are determined for each module. For details, refer to the section of online module replacement
in this manual.