Chapter 3 Installation, iring, Conguration
3.1 Installation
ME0416-1A 3-4
(3) Noise sources and noise prevention
For the same power supply path and power supply
device in the same device, take measures against
noise.
Countermeasure examples for noise sources are
shown below.
1) AC solenoid valve / magnetic switch / relay
[Measure] Install an anti-noise device in parallel
with the coil.
2) DC solenoid valve / magnetic switch / relay
[Measure] Install a diode in parallel with the coil or
use the diode built-in type.
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