ELAU PacDrive M, Operating Manual

Page: 72 / 88

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page 72 field bus PROFIBUS-DP PacDrive™ M
8 Technical Data
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Bus closing resistors
The bus closing resistors must be switched on in the first and last
bus participant. Otherwise data transfer will not work correctly.
The power shield must be laid on a large surface and on both ends.
Fig. 8-2: Position of bus closing resistors
on
off
on
off
on
off
bus closure bus closure
first bus participant last bus participant
from previous bus
participant
to next bus
participant