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Wcc3.exe screen descriptions pid tuning screen – WattMaster WM-WCC3-TGD-01B User Manual

Page 233

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WCC III Technical Guide

3-119

WCC3.EXE SCREEN DESCRIPTIONS

PID Tuning Screen

Source Stable Hysteresis:

This tells the PID program how much range the source sample stays
in to consider the source sample as stable. For tuning temperature,
one degree is a good value.

Source Crossing Hysteresis:

This tells the PID program how much beyond the Setpoint> to be considered crossing the

Total Cycle:

This shows the number of tuning cycles that have occurred. At
least four cycles are needed to get enough tuning data to produce
reasonable PID parameters.

Source Peak Value:

This shows the current peak value of the sampling source.

State Time:

This shows how long the tuning stage has been in its current state.

Stable Time:

This shows how long the sampling value has been considered
stable.

Period Time:

This shows the estimated period of the current tuning cycle.

Tuning Direction:

This shows the direction of the tuning process. The direction can
be or .

Output Timing:

This shows the output is considered or Delay>.

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