Moxa MPC-2267X [27/71] Attention
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Moxa MPC-2267X [27/71] Attention

Moxa MPC-2267X [27/71] Attention
MPC-2000 Series Hardware Hardware Installation and Connection
3-9
Wiring Requirements
This section describes how to connect serial devices to the MPC-2000 series.
Read and follow these safety precautions before proceeding with the installation of any electronic devices:
• 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 wires together with power wires in the same conduit. To avoid
interference, wires with different signal characteristics should be routed separately.
• Based on the type of signal transmitted through a wire, determine which wires should be kept separate and
which bundled together. The rule of thumb is that wiring that shares similar electrical characteristics can be
bundled together.
• Keep input wiring and output wiring separate.
• It is advisable to label all wires used in the system.
ATTENTION
Safety First!
Be sure to discon
nect the power cord before installing and/or wiring your MPC-2000 series panel computer.
Wiring Caution!
Calculate the maximum possible current in each power wire and common wire. Observe all electrical codes
dictating the maximum current allowable for eac
h wire size.
If the current goes above the maximum ratings, the wiring could overheat, causing serious damage to your
equipment.
Temperature Caution!
Be careful when handling the unit. When the unit is plugged in, the internal components generate heat, and
consequently the outer casing may feel hot to the touch.
We recommend taking the following precautions to minimize heat
build-up within the display:
•
Position the display within ±40° of the vertical.
•
Install an external fan to increase airflow upwards through the
display if (a) the display is not positioned
within ±40° of the vertical, (b) the ambient temperature exceeds 25°C, or (c) the display is used in a
location with minimal ventilation.
Important Safety Precaution
Even though the display is rated to o
perate within the IEC 60945 standard of -15 to 55°C for marine
applications, it is best to ensure
that the ambient temperature does not exceed 25°C. Doing so will
increase the
life of your display and minimize service costs.
Grounding the MPC-2000 Series Panel Computer
Before you power on the MPC
-2000 series, first
ground it. Proper g
rounding 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 the power.
ATTENTION
This
unit is intended to be mounted to a well-grounded mounting surface, such as a metal panel.

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