Mitsubishi FREQROL FR-A024-0.1K Instruction Manual page 123

24. TROUBLESHOOTING
Propagatlord
Tranrmlrrlon
Measures
Equipment or devices such as measuring Instruments, receivers, and sensors,
which
am noise s u s c q b l e , or thcse in which M e sipal lines are run in the
same endosure or c b e to
t h e
signal lines of the inverter, the equipment or
devices may mallunction due
to
noise propagation. In such
a case,
it is
necessaiy lo
lake the
following measures:
(1) Install M e equipmenVdewces which are easily influenced by noise away
(2)
Run the signal lines which are easily influenced by noise as far from
the
(3)
Avoid running signal lines in parallel with the power lines (inverter
(4) If
a line noise finer or radio noise filter
IS
connected in the inputloutput lines,
( 5 )
If
shielded
cables are used for signal lines and the power lines, or
if
the
from the Inverter.
inverter and
its
inpuVoulput lines as possible.
inpuvoutput lines), also avoid bundling
the
signal lines with
t h e
power lines.
radiated noise from the power line can be suppressed.
signal lines and the power l h nes are run in
the
individual metal conduits,
the
signal lines are effectively protected from propagated noises.
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