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3. EMC COUNTERMEASURES
3.4 Cable treatment
(a) Securely earth the cabinets 1 and 2, and the servo motor.
(b) Keep the main circuit power supply cable of the servo amplifier, power cable of the servo motor, and
wire for the control circuit signal apart (30 cm or more). These cables must not be routed in close parallel
or bundled.
The following drawing shows an example of the installation.
The methods for treating each cable are described separately.
(The numbers assigned to each cable in the drawing indicate section number of this manual where details are
explained.)
Cabinet 2
Controller, etc.
Section 3.4(3)
Section 3.4(7)
Controller
Servo amplifier
Section
3.4(3)
24VDC
power
supply
Option
Section 3.4(4)
3 - 6
Cabinet 1
Surge protector
EMC filter
Magnetic
contactor
Power supply
Section 3.4(2)
Section 3.4(1)
Encoder
Servo motor
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