Electrical Installation
3
3.14 Decrease Noise
SIEPYEUOQ2A01G AC Drive Q2A Technical Manual 111
A - Power supply
B - Drive
C - Shielded motor cable
D - Motor
E - Minimum of 30 cm (11.8 in.) apart
F - Controller
G - Signal line
Figure 3.61 Prevent Inductive Noise
■ Decrease Radio Frequency Interference
The drive, input lines, and output lines generate radio frequency interference. Use noise filters on input and output
sides and install the drive in a steel box to decrease radio frequency interference.
Keep the cable between the drive and motor as short as possible.
A - Steel box
B - Power supply
C - Noise filter
D - Drive
E - Noise filter
F - Shielded motor cable
G - Motor
Figure 3.62 Decrease Radio Frequency Interference
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