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Mitsubishi Electric MELSEC Q Series User Manual Page 15

Ethernet/ip network interface module for programmable controller.
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(b) Grounding of the shield section of shielded cable
• Ground the exposed shield section of the shielded cable close to the module.
Confirm that the grounded cables are not induced to electromagnetic from
the cables, which are not yet grounded.
• Ground the exposed shield section to spacious area on the control panel.
A clamp can be used as shown below.
In this case, apply a cover on the painted inner wall surface of the control
panel, which comes in contact with the clamp.
Shield section
Shield section to expose
POINT
The method of grounding with a vinyl-coated wire soldered onto the shield section
of the shielded cable is not recommended. High-frequency impedance will rise,
resulting in loss of shielding effect.
Screw
Masked
from paint
Grounding of the shield
Shield cable
Wire
Solderless terminal
Clamp fitting
Shield cable
A
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