TECO e510 series - Wiring and EMC Guidelines

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3.3.3 Wiring and EMC guidelines
For effective interference suppression, do not route power and control cables in the same conduit or
trunking.
To prevent radiated noise, motor cable should be put in a metal Conduit. Alternatively an armored or shielded
type motor cable should be used.
For effective suppression of noise emissions the cable armor or shield must be grounded at both ends to the
motor and the inverter ground. These connections should be as short as possible.
Motor cable and signal lines of other control equipment should be at the least 30 cm apart.
E510 has a built in Class “A” EMC filter to first Environment Restricted. (Category C2).
Typical Wiring.
1.Protective Earth Conductor.
Conductor size for enclosure &
Back plate must comply with the local
electrical standards. Min 10mm².
2.Back plate. Galvanised steel (Unpainted).
3.Ferrite core / Output reactor
ferrite cores can be used to reduce
radiated noise due to long motor cables.
If ferrite core is used loop motor wires, 3
times round the core. Install core as close
to the inverter as possible
Output reactors provide additional
benefit of reducing dv/dt for protection of
motor windings.
4.Metal Cable clamp. no more than 150mm
from the inverter.
Note: If no enclosure & back plate is
used then connect the cable shield by a
good 360 degree termination to the
Inverter output terminal E.
5.Screened (Shielded four core cable).
6.Separate Protective Earth wire, routed
outside motor cable separated be at least
100mm.
Note:- this is the preferred method
specially for large output cables and long
length.
Multi-core screened (3 core & protective
earth) can be used for small power and
short length.
7.Connect the cable shield by a good
360º termination and connect to the motor
protective earth terminal.
This link must be as short as possible.
8.Motor Earth terminal(Protective Earth).
L1(L)
L3(N)
L1(L)
L3(N)
E