Preparation For Installation - Mitsubishi Electric MELSEC iQ-F Series User Manual

Example of combination of installation on DIN rail and direct installation
• The CPU module side can be installed on the DIN rail, and the extension modules extended by the extended extension
cable can be directly installed.
• The programmable controller can be installed on a 35mm wide DIN46277 rail.
• The programmable controller can be easily moved and removed.
• For installation of the programmable controller using a DIN rail in the control panel, additional length of the DIN rail
thickness is required.
• The programmable controller can be installed directly in the control panel with M4 screws.
For details on the procedures for installing on and detaching from a DIN rail, refer to Page 151 Installing on DIN rail.
For details on installing directly, refer to Page 152 Installing directly.

Preparation for installation

Connecting extension devices
Some extension devices must be mounted on the CPU module before the module is installed in the control panel.
• Connect expansion adapters and extension modules (extension connector type) to the CPU module before mounting the
module in the control panel.
• Mount extension modules (extension cable type) and terminal block in the enclosure after mounting the CPU module in the
control panel.
• Expansion boards can be mounted on the CPU module after it is installed in the control panel.
• The battery of the FX5U CPU module can be replaced without dismounting the CPU module from the control panel.
However, when an expansion board is used, the CPU module must be removed.
• Mount (replace) the battery of the FX5UC CPU module before mounting the CPU module.
Affixing the dust proof sheet
The dust proof sheet should be affixed to the ventilation slits before beginning the installation and wiring work.
For the affixing procedure, refer to the instructions on the dust proof sheet.
Always remove the dust proof sheet when the installation and wiring work is completed.
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12.2 Installation Methods