Moxa Technologies EDS-405A Installation Guide download pdf (Page 9)

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ATEX Information

1. Certificate number: DEMKO 08 ATEX

0712961X

2. Ambient range (-40°C ≤ Tamb ≤ 75°C

)

3. Certification string:

EDS-405A: Ex nA nC IIC T4 Gc

EDS-408A: EX nA nC op is IIC T4 Gc

4. Standards covered ( EN 60079-0:2012, EN 60079-15:2010)

5. The conditions of safe usage:

• These products must be mounted in an IP54 enclosure.

• Install in an area of pollution degree 2 or less.

• Use a conductor wire of size 0.2 mm² or greater.

• PROVISIONS SHOULD BE MADE,

EXTERNAL TO THE APPARATUS,

TO PREVENT THE RATED VOLTAGE FROM BEING EXCEEDED BY

TRANSIENT DISTURBANCES OF MORE THAN 40%.

Wiring Requirements

WARNING

Safety First!

Be sure to disconnect the power cord before installing and/or

wiring your

Moxa EtherDevice Switch.

Calculate the maximum possible current in each power wire and

common wire. Observe all electrical codes dictating the

maximum current allowable for each wire size.

If the current goes above the maximum ratings, the wiring could

overheat, causing serious damage to your equipment.

Be sure to read and follow these important guidelines:

• Use separate paths to route wiring for power and devices. If power

wiring and device wiring paths must cross, make sure the wires are

perpendicular at the intersection point.

NOTE: Do not run signal or communications wiring and power wiring

through the same wire conduit. To avoid interference, wires with

different signal characteristics should be routed separately.

• Use the type of signal transmitted through a wire to determine which

wires should be kept separate. The rule of thumb is that wiring that

shares similar electrical characteristics can be bundled together.

• Keep input wiring and output wiring separate.

• When necessary, you should label the wiring to all devices in the

system.

Grounding the EtherDevice Switch

Grounding and wire routing help limit the effects of noise due to

electromagnetic interference (EMI). Run the ground connection from the

ground screw to the grounding surface prior to connecting devices.

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Moxa Technologies EDS-405A Installation Guide Page 9

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