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Compact bus connector
Profibus Helmholz

With their compact design, the PROFIBUS connectors of Systeme Helmholz GmbH are ideal for connecting PROFIBUS stations.A slide switch sets whether the connector will be used as a node or end of segment. The switch can also be operated when the connector is plugged. The switch setting is clearly visible.
The connector must be used as a node ("OFF") when the incoming bus and the outgoing bus are to be interconnected. This deactivates the terminating resistors.
The connector must be set as a segment end ("ON") on the first and last (extreme) stations of the segment. In that case the terminating resistors are connected on the incoming bus, the outgoing bus is disconnected.
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