Siemens SIMATIC TIWAY 1 User Manual page 24

At any time, your applications software can retrieve the current values for these
parameters by issuing the REPORT ADAPTER CONFIGURATION command,
code 21. In addition to those parameter values, this command will also return
the values of the dipswitch settings and a flag that indicates whether the
CONFIGURE ADAPTER command was previously processed.
The physical network parameters for the HIU function of an MHIU are not
used, but the CONFIGURE ADAPTER command must still be sent to enable
the HIUs network interface.
2.5.3 The CONFIGURE HIU Command
The CONFIGURE HIU command defines the network parameters for an HIU
function and enables the HIUs TIWAY I interface for both an MHIU and an
HIU. The options and associated parameters can occur in the command string
in any order, but they can not occur twice in the same command. This command
can only be issued once and if successful, the command code, 11, will be
returned.
The REPORT HIU CONFIGURATION command, code 12, will return the
values of the dipswitches, HIU Options, and a flag indicating whether the
configuration has been performed.
2.5.4 The CONFIGURE NETWORK MANAGER Command
The CONFIGURE NETWORK MANAGER command, code 30, defines the
operating parameters for the network ports in the NM and MHIU modes and
specifies network options such as auto redundant media.
Issue the REPORT NETWORK MANAGER CONFIGURATION command,
code 31, to retrieve the dipswitch settings and the current values for the
Network Manager parameters and to determine if the CONFIGURE
NETWORK MANAGER command has been processed. In a multiprocessing
environment, the tasks can check the configuration processed flag to determine
whether or not they can begin issuing commands to the adapter.
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