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from 0 to 60 seconds. 0 second represents no filter is applied to the input signal. The filter is
characterized by the following diagram.
Figure 4-53.Filter Characteristics
Note:
The Filter is available only for PV1, and is performed for the displayed value only. The
controller is designed to use unfiltered signal for control even if Filter is applied. A lagged (filtered)
signal, if used for control, may produce an unstable process.
4.3.1.1.4.23 Auto-Tuning and Manual Tuning
The Auto-tuning and Manual tuning can be executed by pressing the mode button in the
Process control module realtime display page. Press and Press Real Time
and Press C1 to access the Process Control module real time display page.
Press Mode and select Auto-tuning to perform auto tuning for the process.During Auto-
tuning process the PV display will blink continuously.
Press Mode and select Manual tuning to perform manual tuning for the process.In this the
user can control the process manually by adjusting the output value manually.
Press Back to exit auto tuning or manual tuning when it is in progress.
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