Mitsubishi GOT MELSEC A985GOT-TBA-EU User Manual page 32

c) How to mount and fix the mounting fixture is given below.
POINT
Do not paint at the sections where the mounting fixture and control panel
contact. Instead provide a conductivity between the mounting fixture and
control panel.
1) Insert the mounting fixture into the fixture
fitting portion of the GOT main unit.
2) Tighten and fix the mounting screw in the
specified torque range.
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