MD 27860 =7H可读取：
Bit 0 = 1
Measurement of total operating time for all part programs is active
($AC_OPERATING_TIME)
Bit 1 = 1
Measurement of current program runtime is active ($AC_CYCLE_TIME)
Bit 2 = 1
Measurement of tool operation time is active ($AC_CUTTING_TIME)

进入参数区，点击向右的扩展软键




在变量显示区中点击“编辑视图”软键




点击“变量插入”软键




选择系统变量，如“$AC_OPERATING_TIME”，"$AC_CYCLE_TIME"，"$AC_CUTTING_TIME"










点击"<<"软键，系统会询问是否保存，点“Yes”