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chazal

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chazal


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Posted By chazal Mar 13, 2024 04:20:51 AM
Found In Egroup: Automation Control
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Hello @nmeistrup, Thanks for your feedback. Could you please check the link to this note ? I am getting a "Answer unavailable" error. I have tried with larger CV Step Changes, up to 100%, but unsuccessfully. The level falls quickly to 0% and the autotuner never completes.
Posted By chazal Mar 13, 2024 04:17:00 AM
Found In Egroup: Automation Control
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Hello @Philip Hamilton, There is actually no fault shown in the status window. The Execution state shows "In Progress" until the PV reaches the PV change limit, which eventually results in a "PV Out of limit" fault. I have also tried to set the PV change limit to 0%. In that case, the Execution state ...
Posted By chazal Mar 06, 2024 05:50:00 AM
Found In Egroup: Automation Control
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Hello, I am using the autotuning feature of the PIDE block on a ControlLogix controller. It works fine for pressure or flow control loops which are self-regulating processes. However, the autotuner fails to produce any result when used on a level control loop, which falls in the category of integrating ...