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923C Coordinator Module
6.5
923C Coordinator Module
6.5.1
Technical Description
Application
6 - 20
This section contains information on the application, design and
principle of operation of the 923C coordinator.
The 923C coordinator module can be used in the S5-135U/155U
programmable controller and in the EU S5-185U expansion unit.
There are three main task areas which are, to some extent, independent:
• • Bus arbitration (only in the central controller)
To coordinate multiprocessor operation, i.e. the simultaneous use
of two to four CPUs (CPU 948, CPU 928B, CPU 928, CPU 922).
• • Communication memory (only in the central controller)
For the interchange of data between CPUs via communication
flags and data blocks.
• • Central programmer connection (PG MUX)
For the programming and startup of up to 8 modules via one PG
connection.
To program a programmable controller via the SINEC H1 or
SINEC L1/L2 bus, connect the SINEC CP to the PG connection of
the COR C using the 725 cable ("swing" cable).
System Manual
C79000-B8576-C199-03
- Quick Links:
- S5-135U/155U
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