Moxa AWK-4131-M12-EU-T Guide d'installation télécharger pdf (Page 8)

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Wiring Requirements

WARNING Safety First!

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

wiring your Moxa AWK-4131.

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.

You should also pay attention to the following items:

• 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

in the same wire conduit. To avoid interference, wires with different

signal characteristics should be routed separately.

• You can use the type of signal transmitted through a wire to

determine which wires should be kept separate. The rule of thumb is

that wiring with similar electrical characteristics can be bundled

together.

• Keep input wiring and output wiring separate.

• It is strongly advised that you label wiring to all devices in the system

when necessary.

Grounding Moxa AWK-4131

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.

ATTENTION

This product is intended to be mounted to a well-grounded

mounting surface, such as a metal panel. There must be no

potential difference between two ground potentials, otherwise

there is a risk that the device could be destroyed.

Wiring the Redundant Power Inputs

The AWK-4131 must be connected to a power-over-Ethernet (PoE) IEEE

802.3af compliant power source or an IEC60950 compliant limited power

source. When AWK-4131 is powered via DC power, the M12 A-coding

connector on the bottom panel is used for the AWK-4131’s two redundant

inputs. The pin assignment is shown below:

Pin Power Input

1 V1+

2 V2+

3 V1-

4 V2-

5 GND

1 2 3 4 5 6 7 8 9 10 11 12 13 14

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