Response Electronics CL6011B Specifiche Scaricare il pdf (Pagina 100)

4Ć18 DCP Configuration

Original Ć June 1990CE4.2:CL6211

DEV Upper Break point Ċ The DEV upper break point specifies the

point at which the current deviation of the loop will begin to affect the

loop proportional gain, to the extent specified by the DEV upper gain

factor. DEV upper break point is expressed in engineering units and

must be between -136.0 and 136.0 percent of the engineering unit

span. The limit may be changed by tuning DDP #41, DEV HIBP.

DEV Upper Gain Factor Ċ The DEV upper gain factor specifies the gain

ratio multiplier which is applied when the current deviation of the loop is

ten percent beyond the upper break point. DEV upper gain factor is

expressed as a ratio, and must be between 0.02 and 50.0; this parameter

is unit-less. The limit may be changed by tuning DDP #43, DEV HIGF.

IVP Tuning Enable Ċ This configuration item activates the Adaptive

Gain action which modifies the proportional gain of the loop based on

the current valve position. YES enables IVP adaptive gain action, NO

disables this action. The details of IVP adaptive gain are outlined in

section 3.3.1.8 beginning on page 3Ć12.

IVP Lower Break point Ċ The IVP lower break point specifies the point

at which the current valve position of the loop will begin to affect the loop

proportional gain, to the extent specified by the IVP lower gain factor.

IVP lower break point is expressed in percent and must be between

-36.0 and 136.0 percent. The limit may be changed by tuning DDP

#44, VO LOBP.

IVP Lower Gain Factor Ċ The IVP lower gain factor specifies the gain

ratio multiplier which is applied when the current valve position of the

loop is below the lower break point. IVP lower gain factor is expressed

as a ratio, and must be between 0.02 and 50.0; this parameter is

unit-less. The limit may be changed by tuning DDP #46, VO LOGF.

IVP Upper Break point Ċ The IVP upper break point specifies the point

at which the current valve position of the loop will begin to affect the loop

proportional gain, to the extent specified by the IVP upper gain factor.

IVP upper break point is expressed in percent and must be between

-36.0 and 136.0 percent. The limit may be changed by tuning DDP

#45, VO HIBP.

IVP Upper Gain Factor Ċ The IVP upper gain factor specifies the gain

ratio multiplier which is applied when the current valve position of the

loop is above the upper break point. IVP upper gain factor is expressed

as a ratio, and must be between 0.02 and 50.0; this parameter is

unit-less. The limit may be changed by tuning DDP #47, VO HIGF.

Lower Notch Break point Ċ This parameter is only valid for the Notch

Gain PI/PID PCA type. The lower notch break point specifies the point at

which the notch gain becomes effective. When the current Process

Variable of the loop is between the lower and upper notch break points,

the loop proportional gain is multiplied by the notch ratio value. The

lower notch break point is expressed in engineering units and must be

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Response Electronics CL6011B Specifiche Pagina 100

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