Lenze EVS9332xP Manual do Utilizador descarregar pdf (Página 90)

100

101

Wiring of the standard device

Basics for wiring according to EMC

Installation in the control cabinet

5.3

5.3.5



5.3−4

EDSVS9332P EN 5.0−07/2013

5.3.5 Installation in the control cabinet

ƒ Only use mounting plates with conductive surfaces (zinc−coated or

V2A−steel).

ƒ Painted mounting plates are not suitable even if the paint is removed

from the contact surfaces.

ƒ If several mounting plates are used, ensure a large−surface connection

between the mounting plates (e.g. by using earthing strips).

ƒ Connect controllers, filters, and chokes to the earthed mounting plate

with a surface as large as possible.

ƒ The motor cable is optimally installed if

– it is separated from mains cables and control cables,

– it crosses mains cables and control cables at right angles.

ƒ Always install cables close to the mounting plate (reference potential),

as freely suspended cables act like aerials.

ƒ Lead the cables to the terminals in a straight line (avoid tangles of

cables).

ƒ Use separated cable channels for motor cables and control cables. Do

not mix up different cable types in one cable channel.

ƒ Minimise coupling capacities and coupling inductances by avoiding

unnecessary cable lengths and reserve loops.

ƒ Short−circuit unused cores to the reference potential.

ƒ Install the positive and negative wires for DC 24 V close to each other

over the entire length to avoid loops.

ƒ Connect all components (drive controllers, chokes, filters) to a central

earthing point (PE rail).

ƒ Set up a star−shape earthing system.

ƒ Comply with the corresponding minimum cable cross−sections.

Mounting plate requirements

Mounting of the components

Optimum cable routing

Earth connections

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