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XAC80 Profibus-DP
®
5.6 Bus termination resistance (Figure 2)
WARNING
Power supply must be turned off before performing this operation!
A bus termination resistance is provided inside the connection cap and must be
activated as line termination if the encoder is at the ends of the transmission
line (i.e. it is either the first or the last device in the transmission line).
Use RT Switch to activate or deactivate the bus termination.
RT Description
1 = 2 = ON
Activated: if the encoder is either the first or the
last device in the transmission line
1 = 2 = OFF
Deactivated: if the encoder is not either the first
or the last device in the transmission line
MAN XAC80 PB E 1.0.odt 5 - Electrical connections 31 of 60