Toshiba T2N - Manual (Page 226)

5. Programming Language
User's manual 213
(2) Initial Step
This is the step which indicates the start of an SFC main
program. It has its own step number and can have an action
program which corresponds 1 to 1.
Only 1 initial step can be programmed in 1 block.
ssss = Step number (0-2047)
(3) Step
This expresses one unit of contral steps. The step has its own
step numbers and has program which corresponds 1 to 1.
ssss = Step number (0-2047)
(4) Transition
This expresses the conditions for shifting the active state from a
step to the following step. Transition has transition condition units
which corresponds 1 to 1.
(5) SFC End
This expresses the end of an SFC main program. An SFC main
program requires either this ‘SFC end’ or the ‘end step’ of (6). The
‘end’ has a transition condition which corresponds 1 to 1 and a
return destination label number. When transition condition is
satisfied with the step immediately before being in the active
state, the step following the designation label is made active with
making the step immediately before inactive. (This is the same
operation as that described in ‘jump’ below).
@ IIII IIII = Label number (0-1023)