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Benefits of Tuning PID Loops

Control loops are a critical part of manufacturing and other process control systems. Whether controlling critical temperatures, flows, pressures, or nearly countless other potential elements, a system which keeps the behavior and relationship between setpoints and variables predictable and optimized will add value in many ways. Process control loops and systems may produce minimally acceptable results whether they’re properly tuned or not, but the long-term impact of optimization will pay dividends which far exceed the costs of the tuning effort.

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Exploring the Benefits of Enterprise Architecture with Inductive Automation’s Ignition

In today’s rapidly evolving business landscape, companies face numerous challenges such as data fragmentation, operational inefficiencies, and the need for real-time decision-making. To overcome these obstacles, many organizations are turning to enterprise architecture solutions that offer a holistic approach to optimizing operations. One such solution is Inductive Automation’s Ignition, a powerful software platform that offers a wide array of benefits for enterprise architecture implementation. In this blog post, we will explore the advantages of employing Ignition as part of a comprehensive enterprise architecture strategy.

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Embedded Engineers as Trusted Advisors

The legacy walls between areas and disciplines inside of a manufacturing plant have melted away, leaving behind a complex, inter-woven tapestry of interconnected workers and departments. The speed at which technology advances inside of plants would make it nearly impossible for most organizations to support all systems via internal personnel. The internal support teams of today are smaller than they once were while the reliance on the plant tech has grown. The tasks of hiring, training, and then retaining highly technical talent in IT, engineering, general maintenance have become more difficult.

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Benefits of a Campaign Manager

Batch processing facilitates the repetitive, tightly controlled manufacture of many things. This type of operation is ideal for large scale manufacturing where products are assembled and modified in a series of stages or steps. When connected to a batch management software system, the number of ingredients, execution stages, and degree of processing complexity which can be handled by relatively unsophisticated operators can be extraordinary. The typical end results for manufacturers are lower cost per unit products with tight quality control and meticulous records of production.

Enterprise resource and scheduling systems are ubiquitous to modern manufacturing organizations. These are frequently mated to plant floor automation systems. For simple batch operations with savvy operators this task can be straightforward, particularly when aided by a batch management solution. However, in operations that require rapid processing or changeover between many in-progress batch orders, this can be challenging. The same is true if batch processing requirements for a single order are large in either complexity or an amount of time that spans beyond the purview of a single operator or team. Integration between the master resource and scheduling system and the batch operating environment can be enhanced using a campaign manager.

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12 Batch Implementation Design Considerations

Batch systems are used for maximizing quality control, minimizing cost, and reducing loss by manufacturing smaller batches compared to a mass production model, which is why companies in the food and beverage, pharmaceutical, and chemical industries rely on them. The audience of a batch system is varied, and therefore the proper implementation of a batch system needs to consider many factors. From the Plant Manager, Operations, Engineering, and Maintenance to the Operators, all these personas have unique needs that must be considered.

The best practices dictated by standards such as ISA 88 and ISA 95 provide a great guideline or starting point, but these standards do not prescribe how to implement the details of a solution. Therefore, the following is intended to highlight some of the considerations for a system design.

Divider graphic for Creating a Robust Equipment Model for Optimal Plant Performance.

Creating a Robust Equipment Model for Optimal Plant Performance

A plant’s capabilities of what and how products can be manufactured there reside in the capabilities of its equipment, materials, and personnel. These capabilities are captured by the Equipment Model as defined in ISA 88 & 95. Once you capture these capabilities, they are exposed to the recipe author to define how to execute the product manufacturing workflow, which is detailed in the ISA 88 Procedural Model.

Having a well-defined Equipment Model is paramount to enabling the plant’s maximum capabilities while providing the recipe author and operators with an intuitive experience. The Equipment capabilities definition should include the activities that the automation controls system can perform (i.e., Add Water) as well as the activities performed by the operators and other personnel (i.e., Manual Additions, Lab Sample Data, etc.).

Divider graphic for Steps for Designing Batch Systems.

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ECS Delivers True Long Term Success as Trusted Advisors

People and organizations leverage trusted advisors in all facets of life. Whether it is something as commercial as an auto mechanic or as intimate as a primary care physician, attorney, or wealth advisor, trusted advisors play a role just about everywhere. They maintain deep, current knowledge in specialized fields, and they stand ready to support those in need. They are driven by excellence, thinking beyond themselves or their own organization and focus on the broader environment. Where their focus intersects with the needs of a client, a true trusted advisor relationship can take hold.

Control systems integration is young but maturing when compared to many other functions in legacy buildings and operations. The discipline, which barely existed a generation and a half ago, has become the technological focal point of modern manufacturing. There are no lulls or definable steps as technology continually advances at a dizzying pace. What started as ways to simplify wiring and logic applied to flexibility in controls has evolved into a holistic environment which links manufacturing, operations, and supply chains via a web of connected people and equipment. Manufacturers leverage related professionals each day to stay at the edge of technology and to apply it effectively.

ECS Solutions (ECS) has been around since the dawn of the systems integrator-for-hire concept. Our success has been driven by working collaboratively with our clients as true strategic partners. We know that enduring bonds do not develop by accident nor out of contractual obligation. Our clients expect that we know not only where technology is today, but also where it is going. They leverage our extensive knowledge and experience in ways that address both their immediate needs and their continuing objectives.

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KNOW YOUR LOOP BEFORE YOU ATTEMPT TO TUNE YOUR LOOP – PART 2

In the last article for this topic, we discussed the importance of field data collection and the importance of a methodical approach to PID tuning. I introduced the concept of the bump test and that its results would help guide the steps and equations used in proper tuning. Here I will explore that concept in greater detail. At ECS we use a visual tool for data collection in every instance. The tool may be part of a controller suite, or it may be stand-alone but, in any case, it is imperative to capture accurate information about the performance of your system before planning and then programming a solution.

In the interest of time, this article will focus on tuning concepts for self-regulating loops as they make up the majority of applications in the industrial field. A common example of this type of loop is a flow control which varies flow through a pipe via either variable speed control on a pump or a position-controlled valve. In this example, the flow can be adjusted by speed adjustment of the pump or position of a valve and the result of the change ordered from the controller is stable and is generally fast and repeatable.

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Innovative Tools for the Evolving Systems Integrator

The personnel challenges facing virtually every industry over the last few years have been nothing short of astonishing. Proper candidates have become increasingly difficult to court and bring on board. New staff in key roles are tasked to accomplish more with fewer floor operators and technology is increasingly leveraged to close the resulting gaps. This is not unique in history although it may seem that way due to the current media deluge surrounding business intelligence and general-purpose visibility software that makes life easier, smarter, and generally more efficient.

Industrial software is again playing a leading role in the current intelligence revolution. Inductive Automation didn’t invent floor supervisory (SCADA) software, nor did they invent the first responsive, general-purpose web software. However, their current offerings certainly do marry these concepts together in a way that hasn’t existed in industry before. Since 2010 their award-winning Vision Module has enhanced the experiences of factory floor users everywhere, easily connecting complex factory controllers to databases, alarm and reporting systems, and intuitive visualization tools. This product is robust, proven, and works very well for users “inside the industrial network” of many facilities. Today this is coupled with the newer Perspective Module which is an equally powerful tool for use in mobile-responsive applications. For situations where a user may be “outside the industrial network” or simply need to utilize a variety of hardware platforms like PCs, phones, or tablets, Perspective provides an ideal solution.

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ECS Solutions and Inductive Automation Deliver Solutions for Latin America

At ECS Solutions, Inc., (ECS) we’re seeing a change in how the Latin American market is approaching manufacturing operations. The region is one that has traditionally addressed challenges by adding personnel in almost any situation. This mentality is evolving in the face of a rapidly growing population and the associated demands for things like regionally processed food and beverage products. Increasingly, companies are using technology to streamline operations.

As is usually the case, the correct solutions lie with partners who have the right staff and the right tools. At ECS we believe that we can deliver both via our team and with products offered by Inductive Automation. ECS is chiefly focused on batch industries, and this has led us to decades of success in delivering solutions in industries like food processing. Our team now includes multiple native Spanish-speaking personnel, several of whom reside within the Latin region in places like Columbia and Venezuela. From initial project discussions, we can provide personnel with deep expertise to explore options with clients in their native tongue. Execution of projects occurs under project management from our personnel within the region along with local strategic partners and backend support from our home office and elsewhere. The client experience is with genuine, local ECS subject matter experts and project managers.

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Native Spanish Speakers Drive Results at ECS

ECS Solutions (ECS) continually evolves to respond to the needs of our clients. In many cases, this is evident in the form of new services or specialized training and certifications to address changing technology. Another area where we have placed considerable emphasis over the last decade is diversity within the ranks of the ECS team. Specifically, we have placed marked effort into growing the number of our native Spanish-speaking teammates.

According to the US Department of Labor, the overall composition of Hispanic workers grew from 8.5% in 1990 to 18% in 2020. They project that this will be over 21% of the overall workforce by 2030. In 2020 Hispanic workers already made up more than 25% of the total workforce in six states including key agricultural locations like California, Arizona, Texas, and Florida. The Bureau of Labor Statistics states that the number of Hispanic workers in management jobs more than doubled to over 10% today from just over 5% in 2000.

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