Star Topology - AUMA AUMATIC AC 01.2 Short Instructions

Information
3.2

Star topology

Figure 9: Structure for star topology
Information
Communication of the following devices is monitored by channel 2. In the event
of loss of communication (i.e. no response from the next device), the shows
the following indication: Wrn FOC.
If the actuator is the last device of the line topology, the monitoring function
should be deactivated (parameter FO cable monitoring M0709 = Off (final devi-
ce).
Ensure proper termination for RS-485 connection of FO coupler.
Max. FO cable range in km (observe technical data!)
[1] Channel 1
[2] Channel 2
[3] Any Profibus DP field device
[4] FO coupler at DCS (mandatory)
[5] FO coupler for any Profibus field device
Special features of star topology
Failure of an FO cable section or of an actuator's FO connection board has no effect
on the operability of the remaining actuators.
As all AUMA actuators are operated at the end of the FO cable section and
controlled via channel 1, the parameter FO cable monitoring M0709 should be
set to Off (final device).
Ensure proper termination for RS-485 connection of FO coupler.
Network topologies
9