The Importance Of Client Reviews

Posted by Control Engineering Team on January 22, 2013 @ 10:21 am

This is a continuation of an earlier article which discussed the importance of specifications in engineering services projects. That article described the importance of good specifications to define a project’s scope of work. This posting continues from there, with advice intended to help developers continue the good work that began with specifications. This post is not intended to give advice to project managers on how to run a project. We are not project managers – we are engineers who have worked with many clients on many project teams, with some experiences to share on the benefits of providing early-stage review of project development with your client. Once project specifications are written or received and development is underway, it is wise to keep the client involved in the initial stages of development. That may seem obvious to some readers and completely unnecessa... Continue Reading

Continue ReadingLeave a Comment
VN:F [1.9.22_1171]
Tags:

Avoid Mistakes through Design and Migration Planning

Posted by Paul Galeski on January 17, 2013 @ 10:11 am

Regardless of your plant’s age, your control system is now one of its most critical components. You cannot operate effectively in the 21st century without a modern control system designed for the way your plant works now—and for the way it will work in the future. Upgrading your control system is much more than a “rip and replace” exercise.

Selecting a Migration Partner

Once you’ve made the decision to upgrade your control system, the first step is to pick a migration partner and begin the planning and design process. A migration partner could be a DCS manufacturer /OEM, the manufacturer of the system be... Continue Reading

Continue ReadingLeave a Comment
VN:F [1.9.22_1171]
Tags: , , ,

Initial Settings For PID Controllers

Posted by Jim Ford on January 15, 2013 @ 10:03 am

Let’s say you’re the lead configuration engineer on the automation portion of a green-field plant installation project, and you need to give your start-up guys a head start with a set of default PID tuning constants. You want to hand it over in a way that the board operators can place some of their basic controls in auto mode with the expectation that the loops will control fairly close to their setpoints without significant oscillation. The following table offers some time-tested default values for gain, integral time, and derivative time that will work in most common situations as a starting point during initial unit start-up. If your control system uses other tuning constant units (e.g., reset for the integral action, then you’ll have to do the conversion – I’m sure you can handle it).

Continue Reading

Continue ReadingLeave a Comment
VN:F [1.9.22_1171]
Tags: , ,

The Economics of Automation – Part 1

Posted by John Clemons on January 10, 2013 @ 9:15 am

Car IndustryBack in the ‘60’s and ‘70’s the main purpose of automation was to eliminate labor.  Actually, that’s pretty much been the main purpose of automation since the first machine of any kind was rolled onto a factory floor hundreds of years ago. Eliminating or reducing labor is the purpose behind just about any tool or machine from the invention of the wheel right down to the invention of this laptop computer I’m using to write this blog. But, you may not realize this, that is all very much in the process of changing and, in many cases, has already changed, and changed dramatically. I’m not joking.  The main purpose of automation used to be to ... Continue Reading

Continue ReadingLeave a Comment
VN:F [1.9.22_1171]
Tags: , , , , , ,

Four Top DCS Migration Experts and the Secrets They’ll Share — ISA-Sponsored Webinar

Posted by Paul Galeski on January 9, 2013 @ 11:10 am

Straight Talk on DCS Migration Every day we talk to manufacturers who are struggling with questions about their DCS migration. The risks involved. The business case. How to get started. We understand your concerns and what’s at stake for your organization — and your career. To help you get the information you need, we’re sponsoring a free webinar in conjunction with the ISA called Straight Talk on DCS Migration. Join us as four top DCS migration experts discuss the topics and trends surrounding DCS migration — using examples of multiple platforms from across the field. In just 90 minutes, you’ll tap into more than 87 years of experience. The... Continue Reading

Continue ReadingLeave a Comment
VN:F [1.9.22_1171]
Tags: