Engineering tool and programmable logic controller

An engineering tool, comprising:

• a program editing unit
• designating a device by selecting a label allocated to the device and
• editing a sequence program;
• and
• a label setting management unit that manages a setting of the label, wherein
• the label setting management unit comprises
• an individual processing setting unit that is capable of setting, by associating a function corresponding to the individual processing with the label, individual processing on the device designated by the label,
• the individual processing setting unit allows a label editor that displays the setting of the label managed by the label setting management unit to receive setting for the individual processing, and
• the program editing unit converts the function associated with the label by the individual processing setting unit into a program and incorporates the program that is converted into the sequence program.