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(b) Noise filter (power supply line filter)
A noise filter is a component which has an effect on conducted
noise.
Attaching the filter can suppress more noise. (The noise filter
has the effect of reducing conducted noise of 10 MHz or less.)
The precautions for attaching a noise filter are described
below.
• Do not bundle the cables on the input side and output side
of the noise filter. If bundled, the output side noise will be
induced into the input side cables from which the noise was
filtered.
Input side
(power supply
Filter
Noise will be induced when the
input and output wires are bundled.
• Ground the noise filter grounding terminal to the control
panel with the shortest cable possible (approx. 10cm).
Input side
(power supply
side)
side)
Induction
Output side
(device side)
Separately install the input and
output wires.
57
Filter
Output side
(device side)
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