Noise Filter (Power Supply Line Filter); Power Line For External Power Supply Terminal - Mitsubishi MELSEC-A A2USHCPU-S1 User Manual

9. EMC AND LOW VOLTAGE DIRECTIVES
9.1.6

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
The precautions required when installing a noise filter are described below.
(1)
(a) The noise will be induced when the input and output
(2)
9.1.7

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.
Model name
Manufacturer
Rated current
Rated voltage
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.
wires are bundled.
Earth the noise filter ground terminal to the control panel with the shortest wire
possible (approx. 10cm (3.94inch)).
FN343-3/01
SCHAFFNER SCHAFFNER
3A
(b) Separate and lay the input and output wires.
9 - 10
type filters) or equivalent.
FN660-6/06 ZHC2203-11
6A
250V
TDK
3A