4-10
■ Noise Preventive Measures
The power is taken from the single-phase instrumental power supply to consider
noise preventive measures.
If the noise from the power supply is large, an appropriate insulation transformer
is added to the power supply and an appropriate line filter is used.
(Azbil Corporation's line filter model No.: 81442557-001)
If the noise has fast rising edge, an appropriate CR filter is used.
(Azbil Corporation's CR filter model No.: 81446365-001)
Handling Precautions
After the noise preventive measures have been taken, do not bundle
the primary and secondary sides of the insulation transformer together
or put them in the same conduit or duct.
Chapter 4. WIRING
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