Mitsubishi Electric MELSEC Q Series User Manual page 119

(1) Installation to base unit
Securely insert the module
fixing projection *1 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.
Make sure that the module
is inserted in the base unit
securely.
Completed
*1 : Insert the two module fixing projections on the right and left into the module fixing holes so that they are not misaligned.
Base unit hook
*2 : Push the center top of the module so that the two module fixing hooks on the right and left are securely engaged with the
base unit hooks.
● When mounting the module, always insert the module fixing projection into the module fixing hole of the base unit.
At that time, securely insert the module fixing projection so that it does not come off from the module fixing hole.
Failure to do so may damage the module connector and module.
● When using the programmable controller in an environment of frequent vibration or impact, secure the module to the
base unit using screws.
Module fixing screw
Tightening torque range: 0.36 to 0.48N • m
● After first use of the product, do not mount or remove the module onto or from the base unit more than 50 times (IEC
61131-2 compliant). Exceeding the limit of 50 times may cause malfunction.
Base unit
Module fixing
hook *2
Module connector
Base unit
Module fixing
*1
projection
Module
mounting lever
Module fixing hole
Module fixing hook
: M3  12 (user-prepared)
CHAPTER 8 INSTALLATION AND WIRING
Module fixing
projection
Module
Center top
Push
Base unit
Module
mounting lever
Module fixing hole
117
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