Siemens SIMATIC TIWAY 1 Manual de usuario Pagina 34

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Network Design Considerations
2-17
TIWAY 1 Ti505 NIM User Manual
2.4.2 Networks
with only Self-biased Devices
This
configuration exists when all TIW
A
Y I Devices on the network are self-biasing (i.e.,
they
do not have a Bias Switch.) In this case, the position on the line of the interface de
-
vices
does not matter
.
2.4.3
Networks with a Single Switch-biased Device
This
configuration exists when only one TIW
A
Y I Device on the Local Line has the Bias
Switch,
and all other devices are self-biasing. The position of the switch-biased device on
the
line does not matter
, but its Bias Switch must be on.
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