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Installation
Basic Installation Notes
You are required to follow all safety precautions during start-up such as providing proper 
equipment grounding, correctly fused power and an effective Emergency Stop circuit which 
can immediately remove power in the case of a malfunction. See the "Safety Considerations" 
section for more information.
Electromagnetic Compatibility (EMC)
Drives are designed to meet the requirements of EMC. Under extreme conditions a drive 
might cause or suffer from disturbances due to electromagnetic interaction with other 
equipment. It is the responsibility of the installer to ensure that the equipment or system into 
which the drive is incorporated complies with the relevant EMC legislation in the country of 
use.
The following instructions provide you with installation guidance designed to help you meet 
the requirements of the EMC Directive 89/336/EEC.
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 Control Techniques 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 the, "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.
Epsilon Eb and EN Drives Reference Manual
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