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Section 4 – Displaying and Using the Detail Screens

4.2 Profit Optimizer’s DQP CV Detail Display

1/00 Profit Optimizer User's Guide 49

Honeywell Inc.

Profit Optimizer’s DQP CV Detail – Field Descriptions and User Notes

Field

Description

Field Type Default Access

User Notes

Active

Read-Only No Access

The high limit value that the controller is using

at this execution.

• This parameter keeps the controller from over-

reacting to what it would otherwise perceive as

a continued limit violation while ramping to a

new limit.

• Unless the controller is actively ramping the

CV, this value is the same as the high limit.

• Active limits π Hi/Lo limits when [CONTROL

THIS CV] = NO.

Status

Read-Only No Access

GOOD, DROP, PRED, CRIT, INIT, WDUP, or

INAC.

See CV, MV, DV, BDV and CC Statuses in Section

2.2 for status descriptions.

Critical CV

Target ENG

• YES = CV is critical.

• NO = CV is not critical.

The optimizer shuts down (OFF) when critical CVs

go bad (are not available).

Control This CV

Target OPER

• YES = Use this CV in the control solution.

• NO = CV is dropped, disregarded in the

control solution.

# of Bad Reads

Allowed

Target ENG

The number of consecutive bad values

allowed:

• A predicted value is used for bad values

up to the number of bad reads allowed.

• Bad values display as - - - - - dashes, and

the CV shows a yellow PRED status.

When allowed bad reads are exceeded:

• Critical CVs – Optimizer shuts down, and

CV shows a red CRIT status.

• Non Critical CVs – CV is dropped and

shows a yellow DROP status.

WARNING

Running the optimizer with bad values can have

serious consequences. Do not set this parameter

>1 unless you are thoroughly familiar with your

process.

Opt Error Tolerance

Target ENG

The allowable deviation past the low or high

limit before optimization halts and constraint

handling begins.

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