We happened spontaneous change setpoint of PID module. The old value SP = 39, and the new SP=10 (scale 0 - 70).
The event jornal indicates that the change was made with operator workstation.It is known that the operator is not used at this time the keyboard and mouse move on the screen. It is very difficult to accurately set this value, using the slider on the faceplate.For pictures and faceplates are no additional VBA scripts for this PID module.
Help me, please.