The Single Loop Tuning window provides an interface to access each single loop controller in the system, initiate the controller’s auto-tune function as well as manually adjust tuning parameters. 

A trend is provided to monitor PV, SP and PID Percent Out through the complete tuning cycle.

The screen has fields for viewing and adjusting proportional band, reset, rate, cooling PB and deadband (gap between heat and cool control).  The drop down list box located at the top right of the loop-tuning window is used to select any single loop control in the system to work with.

The toolbar icons for loop tuning are as follows (order from left to right):