Installation - Mitsubishi Electric MELSEC Q Series User Manual

4.2

Installation

This section describes handling precautions on the steps from the unpacking to the installation of the QJ61CL12.
(1) Setting method
For details on the implementation of the module, refer to the following.
(2) Handling precautions
• Do not drop or apply strong shock to the module case since it is made from resin.
• Do not remove the printed-circuit board of the module from the case. Doing so may cause failure.
• Prevent foreign matter such as dust or wire chips from entering the module. If such matter is entered,
• A protective film is attached to the top of the module to prevent foreign matter, such as wire chips, from
• Tighten the screws such as module fixing screws within the following range.
*1
When removing the terminating resistor due to any system modification, be sure to power off the system.
Removing/Installing the terminating resistor with the power on may cause malfunctions (faulty input/output).
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QCPU User's Manual (Hardware Design, Maintenance and Inspection)
remove it.
entering the module during wiring.
Do not remove the film during wiring.
Remove it for heat dissipation before system operation.
Screws
Module fixing screws (M3 screws)
The module can be easily fixed onto the base unit using the hook at the top of the module.
However, it is recommended to secure the module with the module fixing screw if the module is subject to significant
vibration.
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*1
Tightening torque range
0.36 to 0.48 N•m