A PLC system construction support tool is provided wherein a display 31 of text and numeric values is produced at the left of a paste board 22 . The display 31 is provided for each row of a system and whenever a unit is added or deleted, the numeric values are updated. The display 31 contains a character string of "WIDTH" meaning the total length of the units on the corresponding row and the numeric value of the width (mm units), a character string of "CURRENT CONSUMPTION" meaning the total current consumption of the units on the corresponding row and the numeric value of the current consumption (mA units), and a character string of "WEIGHT" meaning the total weight of the units on the corresponding row and the numeric value of the weight (g units).
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机译：提供了一种PLC系统构造支持工具，其中在粘贴板22的左侧产生文本和数字值的显示31。显示器31被提供给系统的每一行，并且每当添加或删除单元时，数值就被更新。显示器31包含字符串“ WIDTH”，其表示相应行上的单元的总长度和宽度的数值（mm单位）;字符串“ CURRENT CONSUMPTION”，其表示单元的总电流消耗相应行上的数值和电流消耗的数值（mA单位），字符串“ WEIGHT”表示相应行上单位的总重量和重量的数值（g单位）。
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