Installation manual
HB-37420-810-01-25F-EN PSC1-C-100 Installation manual - V2.2.docx Page 100 of 201
Version: 25F
The backplane connection can be retrofitted. In this way the system configuration can be
expanded with additional modules.
Snap backplane bus element to C rail and insert in the mating piece by pushing to the side
5.5 Installation and configuration of master
master (SMMC) and master
slave (SDDC)
SMMC on request
SMMC communication makes it possible to safely exchange 2 bytes of data between several
masters.
Communication takes place without the master for the co-ordination of the data. As such there
is always an exchange of data between available bus users.
Due to this principle of operation, an incomplete or disconnected network can operate in
sections without changing the configuration.
To be able to coordinate several masters with different cycle times, an SMMC cycle time is
configured in the parameters; this cycle time must be maintained by all bus users.
This cycle time is the smallest common multiple of the cycle time of the individual bus users.
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