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Grounding the Device Server
Wiring considerations
WARNING
Be sure to disconnect power before installing and wiring the Device Server. Failure to observe this warning could result in an electrical shock.
The following wiring considerations are recommended:
•Use separate paths to route wiring for power and device data cables. If power wiring and device data cables must cross make sure that the wires are perpendicular at the intersection point.
•Do not run signal or communications wiring and power wiring in the same wire conduit. To avoid interference, wires with different signal characteristics route separately.
•Use the type of signal transmitted through a wire to determine which wires should be kept separate. The rule of thumb is wiring that shares similar electrical characteristics can be bundled together.
•Keep input and output wiring separated.
•Label the wiring to all devices in the system for clarity.
CAUTION
The Device Server must be mounted to a
Device server The Device Server can eliminate the effects of noise due to electromagnetic
grounding interference (EMI) via proper grounding. Always run the ground connection from the ground screw to a grounding surface before connecting DC power. See Figure 5.
Figure 5: Device Server Grounding Screw
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