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 …
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 …
Continuing the topic on motor control circuit design I started a few weeks ago, today’s topic is on fuses. Last week we discussed circuit breakers: these are circuit protection devices that can be reset when a fault such as a …
Today’s post continues a series on electrical design that I started last week. Saravanan asked a question; “Thanks for the post. I want to learn about designing control circuits for motors. For example: How to select the breaker.. and also …
Today’s topic is in response to Saravanan who posted a request last week on my “Panel Layout and Electrical Design” post of about a year ago. He asked “Thanks for the post. I want to learn about designing control circuits …
Today’s article is a guest post from Automation Solutions, a Melbourne, Australia-based company. If you would like to post an article on this site, let me know! The Importance Of Machine Safety And Hiring A PLC Programming Specialist. Automated production …
The Importance Of Machine Safety And Hiring A PLC Programming Specialist Read more »
Probably the most useful tool I have in my arsenal when doing preliminary design is Microsoft Excel. In many of the projects I have worked on over the last couple of years since I left Wright, the company I was …
Today’s topic concerns an area that affects engineers, technicians and sometimes even office personnel and yes, management. A major part of building anything involves accurately designing and describing the thing that is to be built. If all of the required …
As safety systems become more and more complex (primarily because of the influence of European safety standards), the cost-effectiveness of safety PLCs has improved. I first noticed Safety PLCs being used only about five or six years ago, though according …
Before the implementation of safety standards as defined in the machinery directive and OSHA the single channel circuit on the left was often used for most machines regardless of the hazard level. In the 1990s several events led to the …
