HB-37350-810-01-50F-EN PSC1-C-10 Installation manual V2.1.docx Page 101 of 189
Version: 50F
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
SDDC in preparation
The SMMC communication makes it possible to exchange safely 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 co-ordinate 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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