| 摘要 |
A ladder program display device includes: a display-direction determining unit that determines whether a ladder program is caused to be displayed in a display direction that is vertically displayed writing or horizontally displayed writing; and a display unit that displays the ladder program vertically or horizontally in accordance with an instruction from the display-direction determining unit, wherein the display-direction determining unit compares how a ladder program is displayed in a case of vertically displayed writing and how a ladder program is displayed in a case of horizontally displayed writing for each orientation of the display unit that is a portrait-oriented state or a landscape-oriented state, selects a display direction in accordance with the orientation based on a comparison result, and instructs the display unit to display a ladder program in selected display direction. |
