Panasonic FP-E Programming Manual page 193

Selection branch control of a process
2
This program selects and switches to the next process according to the actions and results of a
particular process. Each process loops until its work is completed.
Program two or more NSTL instructions to trigger the next process in a process. Depending on the
execution conditions, the next process is selected, triggered and program execution is transferred.
Program example
1) When X100 turns on, process 100 is executed.
2) When X101 turns on in process 100, process
101 is executed. Or when X102 turns on in
process 100, process 102 is executed.
3) When X103 turns on in process 101, process
101 is cleared and process 200 is executed.
When X104 turns on in process 102, process
102 is cleared and process 200 is executed.
4) When X200 turns on, process 200 is cleared
and step ladder operation finishes.
Program
X100
(NSTP 100 )
(SSTP 100 )
X101
(NSTL 101 )
X102
(NSTL 102 )
(SSTP 101 )
X103
(NSTL 200 )
(SSTP 102 )
X104
(NSTL 200 )
(SSTP 200 )
X200
(CSTP 200 )
(STPE
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R150
Process 100
R151
Process 101
R152
Process 102
R153
Process 200
)
Process flowchart
X100: on
Process 100
X101: on
Process 101 R151
turns on.
X103: on
Process 200
X200: on
END
Time chart
When X101 turns on
on
X100
off
on
X101
off
on
X102
off
on
X103
off
on
X104
off
on
X200
off
Executing
R150
Cleared
Executing
R151
Cleared
Executing
R152
Cleared
Executing
R153
Cleared
Basic Instructions
R150 turns on.
X102: on
Process 102 R152
turns on.
X104: on
R153 turns on.
Process 100
Process 101
Process 200
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