Concepts
Sequence-Else Specification
The sequence-else branch, sometimes called the “else if” branch or secondary branch, may branch to any other state, including the current state, a previous state, or a later state. The sequence-else specification looks like the following:
Else on "<TERM>" go to level <sequence level>
If the Sequence-Else specification is satisfied before the sequence-advance specification is satisfied, the sequencer begins at <sequence level>.
The last state may only have a sequence-else branch specification, which may branch to the same state or a prior state.
Storage Specification
In each state, a storage specification determines the data stored by the analyzer while it is searching for the sequence-advance, sequence-else, and trigger specifications. Storage specifications are defined using the same pattern, range, and timer resources available for defining branching specifications.
While storing "anystate", "no state", or "<TERM>"
Note that if you specify “no state,” the analyzer still stores sequence-advance terms and TRIGGER terms.
TRIGGER On Specification
If there are branch and storage specifications for each sequence level, what does the trigger term mean? The trigger term is a special sequence-advance specification in that, when found, it locks the contents of analyzer acquisition memory. The trigger can be positioned at the beginning, middle, or end of acquisition memory.
The trigger specification can look like the following:
TRIGGER on "<TERM>" <OCCURS> times
TRIGGER on "<TERM>" <TIME PERIOD>
If the trigger term is found <OCCURS> times, or if the trigger term remains stable for <TIME PERIOD>, the trigger is captured in memory. Then the sequencer advances to the next sequence level. If
4–5
