Noise Filter (Power Supply Line Filter); Power Line For External Power Supply Terminal - Mitsubishi Electric MELSEC-A series User Manual

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3.1.6 Noise filter (power supply line filter)

A noise filter is a component which has an effect on conducted noise. With the
exception of some models, it is not required to fit the noise filter to the power
supply line, but fitting it can further suppress noise. (The noise filter has the
effect of reducing conducted noise of 10 M Hz or less.) Use any of the following
noise filters (double
Model name
Manufacturer
Rated current
Rated voltage
The precautions required when installing a noise filter are described below.
(1) Do not bundle the wires on the input side and output side of the noise filter.
When bundled, the output side noise will be induced into the input side
wires from which the noise was filtered.
(power supply side)
Filter
(a) The noise will be
included when the input
and output wires are
bundled.
(2) Earth the noise filter earthing terminal to the control cabinet with the
shortest wire possible (approx. 10 cm (3.94 in.)).

3.1.7 Power line for external power supply terminal

The power line connecting to the external power supply terminal of the module
should be 30m (98.43 ft.) or less.
type filters) or equivalent.
FN343-3/01
SCHAFFNER
3 A
Input side
Induction
Output side
(device side)
FN660-6/06
SCHAFFNER
6 A
250 V
Input side
(power supply side)
Filter
(b) Separate and lay the
input and output wires.
13
ZHC2203-11
TDK
3 A
Output side
(device side)

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