Sequence Of Operation:
Initially the controllers are shown with the SCADA controller monitoring (Subscribing) the current values (Publishing) at the process controller.
As an operator, you can select to initiate tuning at either controller, by checking its 'Tune Controller' checkbox.
It displays and has access to adjust the following values associated with the controller:
1.) Controller Setpoint(SP) - When this radio button is checked it the setpoint is available for change. 2.) Proportional(P) Value - When this radio button is checked the value is available for change. 3.) Integral(I) Value (repeats/minute) - When the checkbox is un-checked the integral is is ignored. When the radio button is checked the value is available for change. 4.) Derivative(D) Value - When the checkbox is un-checked the derivative value is ignored. When the radio button is checked the value is available for change. 5.) Output(CO): 0 to 100% - When this radio button is checked it overrides the controller output (CO) and selects a manual mode. Choose the radio button for desired value to adjust. Select the increment, then use the ![]() ![]() |
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