The advantage function in PLC is stepping sequencecontrol, the efficiency method of establishment the stepping sequencecontrolprogram is drawing out the function diagram.
步进顺序控制是可编程序控制器的优势功能，编制步进顺序控制程序的有效方法是画出功能表图。
2
On the basis of above parts, the software of computer monitoring system is designed and the sequencecontrolprogram (start up, shut down) of the hydropower units is emphatically introduced.
与此同时，对水电站机组顺序控制（开机，停机）进行了着重的设计。
3
Subsequent jobs in sequence for the same program must not contain the program control card or (when applicable) the binary card program.