Moxa V2401-XPE [17/42] Wiring requirements
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Moxa V2401-XPE [17/42] Wiring requirements

Moxa V2401-LX [17/42] Wiring requirements
V2401/2402 HW User's Manual Hardware Connection Description
3-5
Wiring Requirements
This section describes how to connect serial devices to the embedded computer.
You should read and follow these common safety precautions before proceeding with the installation of any
electronic device:
• 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 communication wiring together with power wiring in 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.
• It is advisable to label the wiring to all devices in the system.
ATTENTION
Safety First!
Be sure to disconnect
the power cord before installing and/or wiring your V2401/2402.
Wiring Caution!
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 curre
nt 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 c
asing may feel hot to the touch.
Connecting the Power
The PC’s power source should be provided by a UL listed class 2 or “Limited Power Source” (LPS), with external
adaptor output rated 9 to 36 VDC, 1.8 A @ 9 VDC, 422 mA @ 36 VDC. If the power is supplied properly, the
“Ready” LED will glow a solid green after a 25 to 30 second delay.
Grounding the Unit
Grounding and wire routing help limit the effects of noise due to electromagnetic interference (EMI). Before
connecting any devices, run a ground wire from the ground screw to the grounding surface.
ATTENTION
This product s
hould be mounted to a well-grounded mounting surface such as a metal panel.
SG: The Shielded Ground (sometimes called Protected
Ground) contact is the right most of the 3-pin power
terminal block connector when viewed from the angle
shown here. Connect the SG wire to an appropriate
grounded metal surface.

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