
Communications
configuring
System- and communication configuring D7-SYS - SIMADYN D
3-161
Edition 12.2003
•
Telegram runtime:
s
36
6.
µ
•
All of the telegrams are sent immediately one after the other.
•
For instance, for a selected bus cycle time of 0.8 ms, the SL master
can transfer
– one double word each to a max. of 124 slaves/transceiver, or
– 4 double words each to a max. of 31 slaves/transceiver
The remaining times are intervals where a telegram is not sent (NOP).
•
Master-slave process data transfer:
– up to 200 slaves/transceiver can be addressed with address gaps
– up to 8 double words individually for each slave/transceiver
– own process data for each slave/transceiver
•
Dispatcher transceiver process data transfer:
– up to 200 consecutively addressed transceivers
– up to 8 double words
– the same number of used channels for dispatcher and transceiver
(nodes with a max. number of double words defines the number of
channels for all)
•
Data transfer rate: 11 Mbit/s
•
Bus topology:
Fiber-optic cable ring, each node as
signal
amplifier
•
Max. distance between two nodes:
−
40 m for plastic fiber-optic cables, or
−
300 m for glass fiber-optic cables.