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Epsilon Eb Digital Servo Drive Installation Manual
Adhering to the following guidelines will greatly improve the
electromagnetic compatibility of your system; however, final
responsibility for EMC compliance rests with the machine
builder, and EMERSON Motion Control cannot guarantee your
system will meet tested emission or immunity requirements.
If you need to meet EMC compliance requirements, EMI/RFI
line filters must be used to control conducted and radiated
emissions as well as improve conducted immunity.
Physical location of these filters is very important in achieving
these benefits. The filter output wires should be kept as short
as possible (12 inches is suggested) and routed away from the
filter input wires. In addition:
• Choose an enclosure made of a conductive material such as
steel, aluminum or stainless steel.
• Devices mounted to the enclosure mounting plate, which
depend on their mounting surfaces for grounding, must
have the paint removed from their mounting surfaces and
the mating area on the mounting plate to ensure a good
ground. See "Achieving Low Impedance Connections"
section for more information.
• If grounding is required for cable grommets, connectors and/
or conduit fittings at locations where cables are mounted
through the enclosure wall, paint must be removed from the
enclosure surface at the contact points.
• AC line filter input and output wires and cables should be
shielded, and all shields must be grounded to the enclosure.
Achieving Low Impedance Connections
Noise immunity can be improved and emissions reduced by
making sure that all the components have a low impedance
connection to the same ground point. A low impedance
connection is one that conducts high frequency current with
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Summary of Contents for Control Techniques Epsilon Eb-202
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