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sometimes so quickly that the value is hard to read. Go to the dSPL (display) menu and increase the value
of the dFIL
time period over which the controller will average the input values before using the value in the calculation of
control output values.
The setpoint used (and displayed) when the controller is operating in “normal”mode (automatic) is not
always entered by the operator.
• The active setpoint can come from a recipe;
• The active setpoint can be written to the controller from a host computer;
• A second setpoint can be used when an external device triggers an optional switch in the controller;
• The setpoint can come from an external device by means of an optional analog input.
For the algorithm used by the controller to determine which setpoint is the “active” setpoint, that is, the
setpoint being used now.
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