Category: Controls Design

Electrical and controls design

Recently I was involved in a discussion on the best method of numbering and labeling devices for systems and machinery. I have used several different methods in the past, depending on customer preference and the type of application; these methods …

Device Numbering Methods: A Poll Read More »

Share
Tagged with: , , , , ,

Today’s post is a response to frustration. Some times when dealing with potential customers you waste a lot of time trying to save them money. They may want you to cut corners, spend a lot of your time (for free) …

How To Design And Build A Small Controls Project Read More »

Share
Tagged with: , , , ,

Today’s post is in response to an e-mail I received asking for my thoughts on Tag Structure. In part, George Steel wrote: Great site, thanks for all your efforts. I am working on positioning my org to move from RS500 …

Tag Structures and Dotfields Read More »

Share
Tagged with: , , , , , , ,

First I’d like to apologize for a term I’ve mis-used in the past, that of the OEM. I’ve always considered manufacturers of specific types of industrial equipment to be “OEM”s, or Original Equipment Manufacturers. After looking carefully at the various …

The IEM Dilemma Read More »

Share
Tagged with: , , , , ,

As many of you know from reading this blog, I spend about 40% of my time teaching software programming classes for Automation Training, a Canadian company. I started out teaching the Allen-Bradley SLC and ControlLogix platforms and Siemens Step 7 …

Wonderware Read More »

Share
Tagged with: , , , , , , ,

Hello again from Miami. This time I drove down here since I needed to spend a couple of weeks on my current project, upgrading a juice and beverage compounding system. When I’m out of town for a long time its …

Random Thoughts 1 Read More »

Share
Tagged with: , , , , , , ,

Today’s post is dedicated to my new friends at Poseidon Industries, a manufacturer of stone cutting and processing equipment, located in Punta Gorda, Florida. Last week I did some software work there and had some discussions on industrial Ethernet protocols …

Industrial Ethernet Read More »

Share
Tagged with: , , , , , , , , , , , , , ,

A couple of months ago I wrote a post on cross referencing; that is, finding a replacement for an existing component. In this post I’d like to elaborate a little bit on specifying components in general. When replacing a component …

More on Specifications Read More »

Share
Tagged with: , ,

Today’s post is in answer to a question from Josh: Frank, Thanks for the informative site and your passion for teaching. I have found a lot of useful information on here. I wanted to ask you if you could possibly …

Books or Websites on Control Panel Design Read More »

Share
Tagged with: , , ,

* OEM – Original Equipment Manufacturer. Early in my controls career I had a symbiotic relationship with a machine builder. I went so far as to move my company a few miles down the road and locate right next door; …

OEM Controls Read More »

Share
Tagged with: , , ,

A couple of weeks ago I started a poll on device numbering methods, here are the results. Responses came from comments on this site and five different Linked In forums. Method 1: Labeling the device based on the I/O point …

Device Labeling Poll Results Read More »

Share
Tagged with: , , , , ,