While different coil strip enters a device, the data needs changing correspondingly. Whether control setpoint could be switched at correct time depends on correct material tracking.

当新的带钢进入某工艺设备时，控制设定值需要作相应变动，为了能使工艺设备在正确时刻切换控制设定值，就必须依靠正确的材料跟踪。