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After inserting a FOR instruction, you need to
also insert the corresponding NEXT instruction.
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Do not insert instructions on the same rung
before or after FOR to NEXT instructions. (You cannot set any
conditions on rungs with FOR or NEXT instructions.)
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You cannot change the number of executions
between FOR and NEXT instructions.
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You cannot exit FOR and NEXT instructions
midway.
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You can nest FOR and NEXT instructions up to 64
times. After exceeding 64 nests, a major error occurs and error
code 4 is written to #L_FaultCode.
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For each nest, two stacks are used. A total of
128 stacks can be used in the logic program. Other than the FOR and
NEXT instructions, the JSR instruction also uses stacks. The JSR
instruction uses only one stack.
