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。