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Elektrotechnische Anlagen GmbH
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Pay attention to the correct values of mains and DC-bus voltage.
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Separate power and control wires (> 15cm)
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Use shielded or twisted control wires. Connect both ends of the shield to ground!
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When using the digital input devices, only use suitable switching devices, whose
contacts are able to switch the connected voltages.
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Connect the housings of drive, controller and power feed/feedback unit to ground
carefully. Connect shields of power cables to ground at both ends with as big sur-
face as possible (remove lacquer)!
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Connect the cabinet or the plant by a star-shaped network to ground (ground loops
have to be avoided!)
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The power feed/feedback unit has been designed for a fixed connection to mains only.
Especially when using RFI-filter leakage current values> 3,5mA may occur. The cross
section of the earthing conductor must be at least 10mm² copper, or a second conduc-
tor has to be connected in parallel (star shaped grounding network).
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If components are used, which have no electrical separated inputs / outputs it is neces-
sary to equalize the potentials (e.g. by an equalizing wire). If this is not observed these
components may be damaged by equalizing currents.
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When carrying out an insulations test in accordance with VDE0100/part 620 the de-
vice has to be disconnected to avoid damage to the power semiconductors. This proce-
dure corresponds with the standard, as each device performs a high voltage test in ac-
cordance with VDE 0160 (EN 50178) in the course of final testing after manufactur-
ing.
