C156-E097-01EN 3 - 13
(5) Noise filter
To eliminate AC line noise, a noise filter should be installed at the AC input terminal on the
power supply unit of the drive. The noise filter specifications are as follows:
• Attenuation: 40 dB or more at 10 MHz
• Circuit configuration: The T-configuration shown in Figure 3.12.
Figure 3.12 AC noise filter (recommended)