unipo UFP 6", Operating Manual

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Universal unipo® Flat Panel UFP
Installation and start-up
30
Revision status 19.01.2010
5.1.1 Measures for compliance with the electromagnetic compatibility
(EMC)
This device complies with the basic European standards EN 50081-2 for interference
transmission in industrial applications, as well as EN 50082-2 for interference immunity in
industrial applications, as long as these installation instructions have been adhered to:
• Before plugging in interface cables, the device must be disconnected from the supply
voltage.
• The operating personnel must be free of static charges (touch earthing surface).
• Transverters must be wired with filters.
These filters must be of such size, that interference signals are either completely
eliminated or their level is dampened down to a insignificant level.
In addition to this the following measures must be applied in order to avoid wanted signals
being affected by interference signals:
ATTENTION!
Ensure equipotential bonding!
• Connect all metal parts of a housing (control cabinet) ensuring large area contact and
electric conductivity.
• Do not place the connecting points on a painted surface, because paint has an
electrically insulating effect.
Use contact or serrated washers for such connections.
• For screening use only cables with screening mesh.
– Use metal or metal coated plugs to ensure good screening connection of the
lines.
– Always ensure large area connection of screening elements.
– For cables conducting digital signals ensure large area connection and good
electric conductivity of cable screens at both ends (use screen bus)
– For cables conducting analog signals ensure single side large area connection
and good electric conductivity of the cable screen.
• Do not route wanted signal lines directly parallel to power cables; therefore do not run
both types of cable through a common cable duct or control box.
• Keep a sufficient distance between interference susceptible wanted signal lines and
any possible source of interference.
The distance must be at least one meter, but can be reduced when using metal
screening plates.