Siemens SIMATIC TIWAY 1 - Manual (Page 88)

HOST COMMAND SET REFERENCE
UNILINK HOST ADAPTER 5–3
USER MANUAL
5.1.2 Usage Description
A usage description is included with each command reference to give an
indication of when the command should be used. The meaning of the usage
descriptors are
CONFIGURATION This command is used to configure the adapter
for operation. This command can only be issued
once to each adapter after they have been reset
or powered up.
INITIATION This command is used to initialize the network
devices.
OPERATION This command is used for ongoing
communications between the host computer
and the network devices.
PERFORMANCE This command is used to gather statistical
performance or status information on the
adapter and the network devices, and to
redefine certain operating parameters to
improve network performance.
TERMINATION This command is used to shut down or
terminate network devices.