A subprogram is a program called by the second-level Ladder
program. It is a program unit starting with the functional instruction SP and ending with the functional instruction SPE. Up to 512 subprograms can be created for one PMC.
Hello, can anyone tell me the difference between a ladder level and a sub program. Also why and when would you use one over another?
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A subprogram is a program called by the second-level Ladder
program. It is a program unit starting with the functional instruction SP and ending with the functional instruction SPE. Up to 512 subprograms can be created for one PMC.