Basic Emc Installation Guidelines; Enclosures - Automation Direct DL205 Manual

A–4
European Union Directives

Basic EMC Installation Guidelines

Enclosures

Communications
keyed lockout
switch
*Mains filter
Ground Braid
Copper Lugs
Star Washers
DL205 Installation and I/O Manual, Rev. B
S
IEC 1000–5–2: EMC earthing and cabling requirements
S
IEC 1000–5–1: EMC general considerations
It may be possible for you to obtain this information locally; however, the official
source of applicable Directives and related standards is:
The Office for Official Publications of the European Communities
L–2985 Luxembourg; quickest contact is via the World Wide Web at
www.euro–op.eu.int
Another source is:
Global Engineering Documents
www.global.ihs.com
The following diagram illustrates good engineering practices supporting the
requirements of the Machinery and Low Voltage Directives. House all control
equipment in an industry standard lockable steel enclosure and use metallic conduit
for wire runs and cables.
Mains fused
isolation transformer
Transient voltage
suppressor
Mains
disconnect switch
Panel or
Single Point
Ground
Lock Nut
*may be required for CE compliance
(see Declaration of Conformity for
specific product requirements).
Earth
ground
I/O common
earthed
*Ferrite choke
on I/O wiring
Illustrations are not to scale
*Ferrite choke on
communications cables
Metallic conduit for
communications
and I/O wiring
Panel
Lock Nut
Star Washers