Datalogic AMT58 Series Manual page 69

AMT58x-PB Profibus®
4.8 Bus termination (Figure 1)
RT
1 = 2 = ON
1 = 2 = OFF
12
A bus termination resistance is provided inside
the connection cap. This has to be activated
as line termination on the last device in the
transmission line.
Use the RT Switch to activate or deactivate
the bus termination.
Description
Activated: if the encoder is the last device
in the transmission line
Deactivated: if the encoder is not the last
device in the transmission line