BIFFI ICON3000 Installation, Operation And Maintenance Manual page 11

Installation, Operation and Maintenance Manual
MDE 256 Rev. 1
Figure 3
The Figure below shows the bus with an actuator at the end of the bus segment. To be sure that the
terminations are supplied also if the mains fails, an auxiliary voltage supply generated by an UPS is
connected to the actuator to supply the electronics and the termination.
Figure 4
Profibus DP Description
DEVICE 1
shielding
CABLE
PLC
MAINS
Term. ON Term. OFF
Section 4: Profibus DP Description
DEVICE 2
MAINS
Term. OFF
BUS cable
April 2021
VP (5 V DC)
Data line
Data line
BUS TERMINATION
MAINS + 18-32 V AC/DC
from UPS
Term. ON
7