用读时钟指令,读出当前时钟(注意格式,如下),根据需要把需要的位转换为INT,再与你需要设定的时间比较就可以了;如果需要修改PLC时间,可以用相反的操作转换为BYTE,后用写时钟指令写入!OK


T T+1 T+2 T+3 T+4 T+5 T+6 T+7
Year Month Day Hours Minutes Seconds 0 Day of Week
00 to 99 01 to 12 01 to 31 00 to 23 00 to 59 00 to 59 0 to 7*
* T+7 1=Sunday, 7=Saturday
0=Disable the day of week