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You should also pay attention to the following:
•
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 that shares similar electrical characteristics can be
bundled together.
•
Keep input wiring and output wiring separated.
•
It is strongly advised that you label wiring to all devices in the system
when necessary.
Grounding Moxa VPort 351
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.
Wiring the Redundant Power Inputs
The VPort 351 has two power inputs, labeled PWR1 and PWR2, on the
6-pin and 8-pin terminal block connectors. Top and front views of the
terminal block connectors are shown in the following figures.
STEP 1:
Insert the
negative/positive DC or AC wires
into the V-/V+ terminals.
STEP 2:
To keep the DC or AC
wires from pulling loose, use a
small flat-blade screwdriver to
tighten the wire-clamp screws on
the front of the terminal block
connector.
STEP 3:
Insert the plastic terminal
block connector prongs into the
terminal block receptor, which is
located on VPort 351’s top panel.
ATTENTION
The power for this product is intended to be supplied by a Listed
Power Unit, with output marked LPS, and rated to deliver 12 to 32
VDC at a maximum of 740mA, or 18 to 30 VAC at a maximum of
890mA.
