X101
Y110
X102
Y111
X103
Y112
Y113
Y114
X104
X110
Process 1
Process 2
Process 4
Process 1
Process 3
Process 5
■
Precautions for programming
● Processes do not need to be written in numerical order.
● In the step ladder area, you cannot use the following instructions:
1) Jump instructions (JP and LBL)
2) Loop instructions (LOOP and LBL)
3) Master control instructions (MC and MCE)
4) Subroutine instructions (SBL and RET)
5) ED instruction
6) CNDE instruction
Note) The CALL instruction can be used in the step ladder area.
● In order to clear all processes at once, use the master control relay to program the code.
● Processes need not be started in the order of their numbers. You can execute multiple
processes simultaneously.
● When the output in a process that has not been started is forcibly turned ON or OFF, even if
the forced ON/OFF operation is canceled, the output state will be held until the process
starts.
■
Step ladder operations
● The program in the normal ladder area and programs in processes started by the Next Step
instruction (NSTL) are executed. The program in processes that are not executing is ignored.
3.32 SSTP (Start Step) / NSTL (Next Step) / CSTP (Clear Step) / STPE (Step
End)
WUME-FP7CPUPGR-12 3-103
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