Less Than

Less Than is a fundamental ladder logic element or instruction used to implement control logic in PLC programs. Comparison contact true when first value is less than second value. This instruction type enables programmers to create specific control behaviors, implement timing functions, or manage data within ladder logic programs. Understanding and properly utilizing Less Than is essential for developing effective ladder logic programs that meet application requirements.

The implementation of Less Than follows established conventions and best practices for ladder logic programming. Programmers must consider scan time impacts, proper placement within ladder rungs, and interaction with other instructions when using Less Than. Common applications include sequential control, state machine implementation, and process interlocking. Effective use of Less Than contributes to clear, maintainable ladder logic programs that can be easily understood and modified by maintenance personnel.