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Mitsubishi Electric MELSEC Q Series User Manual page 4

Positioning module
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● Do not install the connection cables for external I/O signals and for the drive unit together with the
main circuit lines, power cables, or load circuit lines of a device other than the programmable
controller.
Keep a distance of 100mm or more between them.
Failure to do so may result in malfunction due to noise, surges, and induction.
[Installation Precautions]
● Use the programmable controller in an environment that meets the general specifications in the user's
manual for the CPU module used.
Failure to do so may result in electric shock, fire, malfunction, or damage to or deterioration of the
product.
● To mount the module, while pressing the module mounting lever located in the lower part of the
module, fully insert the module fixing projection(s) into the hole(s) in the base unit and press the
module until it snaps into place.
Incorrect mounting may cause malfunction, failure or drop of the module.
When using the programmable controller in an environment of frequent vibrations, fix the module with
a screw.
● Tighten the screws within the specified torque range.
Undertightening can cause drop of the screw, short circuit or malfunction.
Overtightening can damage the screw and/or module, resulting in drop, short circuit, or malfunction.
● Securely connect the drive unit connector and external device connector to the connector on the
module. Poor contact may cause incorrect input or output.
● Do not directly touch any conductive parts and electronic components of the module.
Doing so can cause malfunction or failure of the module.
● Shut off the external power supply (all phases) used in the system before mounting or removing the
module. Failure to do so may result in damage to the product.
2
CAUTION
CAUTION

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