Ladder Blocks - Mitsubishi Electric MELSEC Q Series Structured Programming Manual

4.2.6

Ladder blocks

In the structured ladder/FBD language, a program is divided into units of ladder blocks.
In the ST language, ladder blocks are not used.
● Ladder block labels
A ladder block label can be set to a ladder block. A ladder block label is used to indicate a
jump target for the Jump instruction.
4.2 POUs
4-8
4.2.6 Ladder blocks
Ladder block label Jump instruction Ladder block