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Profibus-DP

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3.3 ScreenThe screen of the cable must be connected to the metal D-type shell.Screw locks should fitted to ensure that there is a reliable contact betweenthe shells.3.4 TerminationThere is no termination resistor supplied on either the UD73 or MD24. It is theuser’s responsibility to make provision for this externally on the last node ofthe network using the following termination circuit: Refer to DIN19245 formore information.+V (6)390 ΩData (3)220 ΩData (8)390 Ω0VD (5)It is important that the Drive node where the network termination resistor isinstalled must remain powered up while the network is communicating withother nodes. If this is not the case, +5V and 0V may be run from anothernode that will always be powered up. +5V and 0V must be run INSIDE thescreen of the <strong>Profibus</strong>-<strong>DP</strong> network cable.<strong>Profibus</strong>–<strong>DP</strong>Issue code: pbnu2 7

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