指令说明
OR^是与触点并联的16位连续执行型触点逻辑‘异或’运算指令。如果S1、S2两个值不相同,异或结果为1,该触点导通。如果S1、S2两个值相同,异或结果为0,该触点不导通。
操作数:
S1:K, H, KnX, KnY, KnM,KnS, T, C, D,LV,DT,@
S2:K, H, KnX, KnY, KnM,KnS, T, C, D,LV,DT,@
指令格式:[OR^ S1 S2]
编程示例:
下例中,D0的值为2,D1的值为4,它们的值不相同,异或运算后结果不为0,该触点导通,Y0有输出。
|
软元件 |
b15 |
b14 |
b13 |
b12 |
b11 |
b10 |
b9 |
b8 |
b7 |
b6 |
b5 |
b4 |
b3 |
b2 |
b1 |
b0 |
值 |
|
D0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
2 |
|
D1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
4 |
|
异或运算 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
0 |
6 |

如果它们的值相同,异或运算后结果为0,该触点不导通,Y0无输出。
|
软元件 |
b15 |
b14 |
b13 |
b12 |
b11 |
b10 |
b9 |
b8 |
b7 |
b6 |
b5 |
b4 |
b3 |
b2 |
b1 |
b0 |
值 |
|
D0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
2 |
|
D1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
2 |
|
异或运算 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
