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Behavior of the IBS PCI SC/RI-LK and IBS PCI SC/RI/I-T System Couplers
6190_en_03 PHOENIX CONTACT
5-5
5.1.2 Starting Up Without Parameterization of the
Master
If the host system and the voltage supply for the slave expansion module
are switched on, the slave and master part carry out a selftest
independently from each other.
Next, the slave checks whether the DIP switches are activated and, if
necessary, uses this configuration. If the DIP switches are deactivated, the
slave reads the last configuration from its memory and configures itself
using these settings. It retains the last configuration.
The slave part in the higher-level INTERBUS system is now ready-to-
operate, but it does not yet have a communication path to the lower-level
master and the host system.
By this time the master has also completed the selftest. The master does
not have a parameterization stored in its memory. The master now reads
the configuration of the slave and establishes a communication path to the
slave expansion module and the host system. The master is not
parameterized and therefore the lower-level INTERBUS system is not
ready-to-operate.
Now the system coupler can be parameterized and configured by the
higher-level INTERBUS system or the host system. This can be done using
firmware services or
IBS CMD SWT G4 E software.