02.2004 Communication / USS
Siemens AG 6SE7087-6QX70 (Version AD)
SIMOVERT MASTERDRIVES Compendium Motion Control 8.1-5
1357210
Master
0
1
3
5
0
7
21
1
3
5
0
1
0
1
7
21
Example of configuration
Circulating list in
the master
SIMOVERT MASTERDRIVES with the addresses 0, 1, 3, 5, 7 and 21
Nodes 0 and 1 are signalled twice as often as others
Fig. 8.1-4 Circulating list
The length of a cycle time is determined by the time needed for the
sequential occurrence of data exchange with the individual nodes.
00
1
1
0
0
t
Cycle time
Telegram run time for reply from node 1
Reply delay time from node 1
Telegram run time for task for node 1
Processing time in the master
Fig. 8.1-5 Cycle time
Due to inconstant reply delay and processing times, the cycle time is
not fixed.
Cycle time