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Articles on PID and Loop Control

Using Flowmeter Measurements to Improve Quality

Using Flowmeter Measurements to Improve Quality


Food plants make extensive lab based quality measurements to ensure product quality. Coriolis flowmeters can make some of these measurements in real time, saving time and money. From January 2021 InTech Focus.

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ACM Facility Safety and Endress+Hauser Announce P&ID Interpretation Workshop


This 2-day course gives students the ability to read and understand P&IDs for the analysis of emergency situations; and for safety, environmental and regulatory compliance issues such as Process Hazards Analysis and HAZOP studies.

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Control Station introduces PID tuning evaluation program


The program enables participating manufacturers to validate PlantESP’s contribution to improved production performance and bottom-line profitability prior to commercial licensing.

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Latest News

Using Flowmeter Measurements to Improve Quality

Food plants make extensive lab based quality measurements to ensure product quality. Coriolis flowmeters can make some of these measurements in real time, saving time and money. From January 2021 InTech Focus.

ACM Facility Safety and Endress+Hauser Announce P&ID Interpretation Workshop

This 2-day course gives students the ability to read and understand P&IDs for the analysis of emergency situations; and for safety, environmental and regulatory compliance issues such as Process Hazards Analysis and HAZOP studies.

Control Station introduces PID tuning evaluation program

The program enables participating manufacturers to validate PlantESP’s contribution to improved production performance and bottom-line profitability prior to commercial licensing.

Control Station supplies PID tuning software to Rockwell Automation

Control Station's LOOP-PRO TUNER PID controller tuning software is integrated within the PlantPAx engineering workstation.

ExperTune introduces Virtual Classroom for PID Training

The interactive training is provided by a live instructor, and includes hands-on practice using ExperTune’s “Virtual Classroom.”

Ziegler-Nichols Tuning Rules And Limitations

The standard reference for PID tuning seems to be the Ziegler-Nichols tuning rules developed in 1942 on a pneumatic controller.

The Fast Way to Tune Slow Loops

To tune a control loop, analysis software must process some loop data. You must test or bump the loop somehow. For example a setpoint change in automatic or a controller output change in manual mode. 

Derivative Action - The Good, Bad, and Ugly

The reason to use derivative (or D) is that you can use more Proportional and especially more Integral action. The result can be a much faster reacting control loop.

Latest Products

EGE introduces SDN 501/1 GSP-DYN flow controller

EGE introduces SDN 501/1 GSP-DYN flow controller

  • EGE-Elektronik
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AutomationDirect introduces PID loop control capability to CLICK series of micro brick PLCs

AutomationDirect introduces PID loop control capability to CLICK series of micro brick PLCs

  • AutomationDirect
  • AutomationDirect
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Red Lion announces enhancements to PXU series of PID controllers

Red Lion announces enhancements to PXU series of PID controllers

  • Red Lion Controls
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