PROGRAM PLC_PRG
VAR
i : INT :=1;//定义整型变量,赋值为1
j : INT;
z : INT;
y : INT;
a : ARRAY[1..3,1..4] OF LREAL;
b : ARRAY[1..3,1..4] OF LREAL:=[1,1,1,1,1,1,1,1,1];//浮点类型3*4数组,初始值赋值为1
END_VAR
程序区
j := i +1;//j 等于 i+1;
FOR z :=1 TO 3 BY 1 DO
FOR y:=1 TO 3 BY 1 DO
a[z,y]:= b[z,y]+1;//给数组a赋值
END_FOR
END_FOR