30 Electrical installation
EMC Compliant Installation
Conducted Emissions According to EN61800-3
In order to meet conducted emissions standards an external EMC filter is required,
furthermore without the EMC filter this table is invalid.
For compliance with the following conducted emission categories defined according
to EN61800-3, the steps listed below are required.
1. A screened (shielded) cable suitable for fixed installation with the relevant mains
voltage in use. Braided or twisted type screened cable where the screen covers at
least 85% of the cable surface area, designed with low impedance to HF
signals.Installation of a standard cable within a suitable steel or copper tube is
also acceptable.
2. A cable suitable for fixed installation with relevant mains voltage with a concentric
protection wire. Installation of a standard cable within a suitable steel or copper
tube is also acceptable.
3. A cable suitable for fixed installation with relevant mains voltage. A shielded type
cable is not necessary. The cable must be physically separate from any other
cables which may carry noise.
4. A shielded cable with low impedance shield. Twisted pair cable is recommended
for analog signals.
5. The cable screen should be terminated at the motor end using an EMC type gland
allowing connection to the motor body through the largest possible surface area.
Where drives are mounted in a steel control panel enclosure, the cable screen
may be terminated directly to the control panel using a suitable EMC clamp or
gland, as close to the drive as possible.
6. Compliance with category C1 conducted emissions only are achieved. For
compliance with category C1 radiated emissions, additional measures may be
required, contact your Sales Partner for further assistance.
7. Permissible cable length with additional external EMC filter.
Radiated Emissions According to EN61800-3
Compliance with EN61800-3 standard for radiated emissions and the categories
defined under the standard is dependent on the nature of the installation. Compliance
can only be determined by testing in an approved laboratory. It may be necessary to
Category Supply Cable Type Motor Cable Type Control Cables
Maximum Permissible
Motor Cable Length
C1
6
Shielded
3
Shielded
1,5
Shielded
4
1M / 1M
7
C2
Shielded
3
Shielded
1, 5
3M / 3M
7
C3
Unshielded
3
Shielded
2
10M / 10M
7
ACS260-04.book Page 30 Thursday, December 24, 2020 4:33 PM
Summary of Contents for ACS260-04 Series
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