本程序可以实时读取无件状态。FXPLC算法地址如下地址算法:D:address=address*2+1000hX:address=address+0x80Y:　address=address+0xA0;M:　address=address+0x100;　　S:　address=address;T:　address=address+0xC0;C:　address=address+0x1C0;