User`s guide

Section 7 – Displaying and Responding to Profit Optimizer Messages
7.4 Dictionary of Profit Optimizer Messages
98 Profit Optimizer User's Guide 1/00
Honeywell Inc.
Profit Optimizer Messages
129 - 141
129
Message: Handling constraints II (OPT)
Warning
Meaning Suggested Response
The control objectives of two or more CVs are
competing for resolution. There are currently
insufficient degrees of freedom to optimize.
Notify your supervisor or a Control Engineer.
130
Message: No MVs can be moved (OPT)
Information
Meaning Suggested Response
Active upper and lower limits for ALL MVs are
set equal. Profit Optimizer cannot make any
moves.
This condition remains until intervened. On the MV Summary
display, either (1) Increase the range on some of the MVs, or
(2) Cascade some of the MVs.
131
Message: Too many iterations used (OPT)
Warning
Meaning Suggested Response
The optimizer could not find a solution within a
reasonable number of iterations.
If the problem persists, call the Honeywell Technical
Assistance Center.
132 - 140
Message: Input data or memory problem (OPT)
Error
Meaning Suggested Response
There is an AM memory or software error. Try the following:
1. Rebuild and reload the controller.
2. Ensure that you are running the proper version of Profit
Optimizer for your AM.
3. Reload the AM.
If the error persists, note the message number, and call the
Honeywell Technical Assistance Center.
141
Message: Limits are crossed (OPT)
Error
Meaning Suggested Response
Soft high limit < low limit. Either:
• Relax the soft limits, or
• Open the operating range.