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Installation manual
PSC1-C-10 Installation manual V2.6
Page 91 of 173
Version: 57E
5.5
Installation and configuration of master
master (SMMC) and master
slave
(SDDC)*
The SMMC communication allows to safely exchange 2 bytes of data between up to four** master
devices.
Communication takes place without a dedicated 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, a SMMC cycle time has to be
configured; 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.
Note:
*The SDDC connection to decentralized expansion modules is only possible with the PSC1-C-100 series.
**A maximum of
three
PSC1-C-10-xx-FBx can be connected. An extension with modules of the PSC1-C-100 series
is possible, as shown in the figure above.
Содержание PSC1-C-10 Series
Страница 1: ...Installation manual for PSC1 modules Series PSC1 C 10 PSC1 C 10 SDMx PSC1 E 3x...
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Страница 153: ...Installation manual PSC1 C 10 Installation manual V2 6 Page 153 of 173 Version 57E Example for a hazard analysis...