Online SPC

Theoretically it is possible to stop a line (machine) before it starts making rejects. Based on several statistical rules we can detect various machine drifts and raise an alarm although all the parts that a machine is making are still good.

For this we would normally use a readily available SCADA package with the SPC module, like WonderWare with SPC Pro.
SPC alarm lists bunch of rules we can use to generate an alarm and stop the machine.


Spc Alarms