Jordan Valve Mark 17X Series Flameproof Smart Positioner - Manual (Page 16)

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D1 Value – (Kd1):
D Value indicates the derivative value of the compensation signal, based on the percentage of error allowance. As
the value increases, it is more likely to create a hunting effect. As the value decreases, it may create poor linearity.
P2 (KP2) and D2 (Kd2) Values:
P2 and D2 value principles are the same as P1 and D1, however, these values are only applicable when the input
signal is decreasing.
P_ (KP_) and D_ (Kd_) Values:
P_ and D_ value principles are the same as P and D, however these values are only applicable when the positioners
actual stroke reaches the target stroke per input signal.
PT1 and PT2 Values:
PT value indicates the minimum time duration of internal signal. PT1 is for an increased input signal, and PT2 is for
decreased input signal PT Values.
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