4 Understanding Programming
4-36
CP2E CPU Unit Software User’s Manual(W614)
The following instructions cannot be used in a subroutine.
The following instructions cannot be used in step ladder program sections.
Note A step ladder program section can be used in an interlock section (between IL and ILC).
The step ladder section will be completely reset when the interlock condition is ON.
Instructions not Supported in Subroutines
Classification
by function
Mnemonic Instruction
Step Ladder
Instructions
STEP STEP DEFINE
SNXT STEP NEXT
Instructions not Supported in Step Ladder Program Sections
Classification
by function
Mnemonic Instruction
Sequence Con-
trol Instructions
FOR, NEXT, and BREAK FOR, NEXT, and BREAK LOOP
END END
IL and ILC INTERLOCK and INTERLOCK CLEAR
JMP and JME JUMP and JUMP END
CJP CONDITIONAL JUMP and CONDITIONAL JUMP NOT
Subroutines SBN and RET SUBROUTINE ENTRY and SUBROUTINE RETURN